gallic 16 engels hld23 torno
TRANSCRIPT
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m o n d i a l e
n
v
Aarschotsestraat 47
B-1800 Peutie Vilvoorde
Tel.
00 32 2 251.60.50
Fax 00
32-2-252.17.32
e ma il: [email protected]
O P E R A T O R S H A N D B O O K
F O R T H E L A T H E
«GALLIC 16»
H.R. BRUSSEL 541.501 R.C. BRUXELLES
B.T.W.
BE 442 .682.264 T.V.A.
BANK: ABN BANK BRUSSEL 720 5203056 85
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SWIFT ADRES: ABN ABE BB AXXX
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в
1.
•
C O N T E N T S
CHAPTER
I
TECHNICAL
DATA
CHAPTER I I
ERECTION
- Tr a n s p o r t
- G r o u n d p l a n
- Cl e a n i n g
- F o u n d a t i o n
and
l e v e l l i n g
- G r o u t i n g in
CHAPTER I I I
ELECTRICAL INSTALLATION
- C o n n e c t i o n
- E l e c t r i c a l
schémas
- A c c e s s to r e v e r s i n g s w i t c h
A C C e U B
( U С 0 0 1 В Л « р м Ш Р D I U Ь О Г
- C o o l a n t
a t t a c h m e n t
CHAPTER IV
СОЛTROL TABLE
- I n s p e c t i o n d o o r s and c o v e r s
CHAPTER V OPERATING THE LATHE
- S t a r l i n g , s t o p p i n g and r e v e r s i n g the
d i r e c t i o n of r o t a t i o n
- S e l e c t i n g
of
s p e ed
- P e e d and
s c r e w c u t t i n g
box o p e r a t i o n
- S e l e c t i n g f e e d s
- T r a v e r s e or c r o s s f e e d
m o t i o n
- F i r s t
s t a r t
and r u n n i n g i n
CHAPTER VI
ADJUSTAtENTS AND DISMANTLING
- T i g h t e n i n g b e l t s
- H e a d s t o c k - S p i n d l e b e a r i n g s
- H e a d s p i n d l e
- F e e d and
s c r e w c u t t i n g b o x
- R e p l a c i n g
the
s a f e t y
d o w e l
-
L e a d s c r e w
- Sadd l e and s l i d e s
- T a i l e t o c k
-
R e m o v i n g
c h u c k
- R e p l a c i n g b e l t s
_ i\ A т n
ea
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™
J L U J L I B v l i i t i l i w U i UX
CUV
-
A d j us t m e n t
of c l u t c h
CHAPTER V I I
LUBRIFICATION
- L u b r i f i c a t i o n c h a r t
CHAPTER
V I I I HOW TO USE THE
THREAD
CHASING
DIAL
E n d . F i g . 1 to 15A.
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2 .
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of bed
I I
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1 5/4
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T o o l s l i d e
L e n g t h
W id t h
Max. t r a v e l
S w i v e l
a n g l e
F i t c h o f l e a d e c r e w
D i a l g r a d ua t i o n
S q u a r e
t u r r e t
s e c t i o n
üquare t u r r e t i n d e x i n g
TAILSTOCK
B i a a e t e r o f b a r r e l
L e n g h t
of b a r r e l
Max. t r a v e l
of
b a r r e l
4 u i c k
r e t r a c t i o n
o f
b a r r e l
C e n t r e Moree t a p e r
»
e
L e n g t h
d i a l g r a d u a t i o n *
L e n g t h o f
g u i d i n g
on
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B I
I I . E R E C T I O N
O F
L A T H E
TRANSPORT
I n o r d e r t o a v o i d a ny t r o u b l e
when
t a l c i n g d e l i v e r y o f y o u r machine»,
we a d v i a e y o u s t r o n g l y t o b e a r
I n
mind t he f o l l o w i n g r e c o a m a m d a t i e n s i
1« K e v e r u s e
h o o k a
b u t u s e a o a b l e u n d e r t h e p a c k i n g c a s e , i f t he c a
s e o r
c r a t e
ha s t o be h a n d l e d b y
means
o f l i f t i n g
t a c k l e .
2 * Make e u r e
t h a t
t he l i f t i n g t a c k l e an d c a b l e s a r e s t r o n g e n o u ^ i to
s t a n d t h e w e i g h t o f t h e
l a t h e *
T h i s w e i g h t
i a
g i v e n i n t h e
T e c h n i -
c a l
D a t a T a b l e , C ha p t e r I .
3 . Un p a c k y o u r
l a t h e
i m m e d i a t e l y a n d c he c k t he c o n d i t i o n i t i a
i n . i
o r d e r t o e n a b l e y o u i n d ue c o u r s e t o e n t e r a n y p o a s i b l e r e e e r v ê
t i o n s
w i t h t h e
c a r r i e r s .
4 .
L e a v e y o u r
l a t h e
a s s e m b l e d o n t h e a i d e
members
b r a c i n g t he
fe »t
s o a s t o be a b l e t o p u s h i t e a s i l y a l o n g on r o l l e r s t ow a rd s i t s
f i n a l e m p l a c e m e n t .
5 I f t he u n p a c k e d
l a t h e
ha s t o b e l i f t e d 1
a . P u e h
tw o r o d s t h r o u g h t h e h o l e s p r o v i d e d f o r
t h a t
p u r p o s e i a
t h e b e d .
b . Use a hemp r o p e p r e f e r a b l y t o a s t e e l c a b l e
c .
Tak e
h o l d o f t h e
l a t h e
a s
shown
i n
F i g .
1
d . Take c a r e
t h a t
t h e r o p e d o e s n o t b e a r a g a i n s t f r a i l ,
p a r t ,
i f
n e c e s s a r y ,
i n s e r t
wood b l o c k s
w r a p p e d
up i n r a g s b e t w e e n the
r o p e a n d t h e
l a t h e .
e .
When
l i f t i n g i t , b a l a n c e t h e
l a t h e
b y m o v i n g b o t h the
c a r r i a g e
a n d t he
t a i l s t o c k
a l o n g t he bed-
GROÜHD PLAN
F i g . 2 g i v e s t h e d i m e n s i o n s o f t he
f l o o r s p a c e
r e q u i r e d , t he p o
s i t i o n o f t h e f o u n d a t i o n
b o l t s
a n d t h e s p o t a t w h i c h t h e
e l e c t r i c
s u p p l y
c a b l e
m u s t
b e b r o u g ht
o u t *
When d e c i d i n g on t h e
l a t h e
site»
a o c o u n t
m u s t b e t a k e n o f t he
c o n d i t i o n s
u n d e r
which the m a c h i n e w i l l b e u s e d a s
w e l l
a s t h e m a i n
t e n a n c e r e q u i r e m e n t s a nd
p o s s i b l e d i a m a n t l i n g
o f t h e
l a t h e *
CLEANING
W i t h p e t r o l , p a r a f f i n
o r a n y o t h e r p r o d u c t , r e m o v e t he a n t i r u s t
c o mp o s i t i o n c o a t i n g a nd t he g r e a s e p r o t e c t i n g t he l a t h e . Tak e c a r e
n o t t o u s e an y p r o d u c t s w h i ch a t t a c k
p a i n t
o r m e t a l . A f t e r c l e a n i n g ,
w i p e t h e c l e a n e d
s u r f a c e
w i t h a g r e a s e d
c l o t h
t o a v o i d o x y d a t i o n *
FOUNDATION AUD
L E V E L L I N G
I f t he
g r o u n d
o n w h i ch i s t o be e r e c t e d t h e
l a t h e
i a n o t
f i r m ,
i t
w i l l b e n e o e o s a r y t o p r e p a r e a c o n c r e t e f o u n d a t i o n a a s h o r n o n F i g - 2 .
a s
w e l l
a a t h e a n c h o r i n g
h o l e s ) .
P l a c e
t h e h o l d i n g
down
b o l t a
i n
t h e i r
h o l e s .
P l a c e m et a l p a c k i n g p i e c e s u n d e r t he
l e v e l l i n g
s c r e w s . Th es e
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5.
p a c k i n g
p i e c e s
m u st be
o f
s u c h s i z e s
t h a t
t h o y
r e s t
on the
f o u n da
t i o n o r o n the
g r o u n d w h i c h r e c e i v o s
th e
l a t h e , h i e / mu st Ьщ
c e n t r e d
( d r i l l ma r k e d )
to
p r o v i d e
s e a t s f o r th e
e n d s
o f t h e
l e v e l l i n g s c r e w s *
C h e c k
t h a t
t h e y
s p a n
th e
f o u n d a ti o n
h o l e s .
T o
l e v e l
th e lathe»
p r o c e e d
a s f o l l o w s
A.
A p p r o x i m a te l e v e l l i n g
1 . P l a c e th e
l e v e l
o n th e r e a r s u r f a c e o f th e c r o s s
s l i d e .
B r i n g
m a i n s a d d l e up to m i d d l e o f
b e d .
2. L e v e l th e l a t h e c r o s s w i s e
a p p r o x i ma t e l y , by means
o f the two
i n n e r
l e v e l l i n g
s c r e w s o f th e c a b i n e t l e g a nd a l s o
by means
of the two
l e v e l l i n g
s c r e w s o f t he r e a r
b a s e .
3 P l a c e
l e v e l
i n t h e c e n t r e o f th e
b e d .
on the m a i n s a d d l e g u i
d i n g
f l a t .
4 . L e v e l l a t h e l e n g th w i s e a p p r o x i m at e l y by means o f t h e l e v e l l i n g
s c r e w s r e f e r r e d to
a b o v e .
>*
F i n a l l e v e l l i n j r
5 .
F i n i s h
o f f c r o s s w i s e
l e v e l l i n g
by
mo v i n g
m a i n s a d d l e ( c a r r y i n g
th e l e v e l ) o v e r th e
w h o l e
l e n g t h o f th e
b e d ,
a nd by a d j u s t i n g
th e s i x
l e v e l l i n g s c r e w s .
6.
F i n i s h
o f f
l e n g t h w i s e l e v e l l i n g
by p l a c i n g
l e v e l
on m a i n
s a d d l e g u i d i n g f l a t , and
mo v i n g
s a d d l e o v e r th e
w h o l e
l e n g t h o f
t h e be d an d by a d j u s t i n g t h e s i x
l e v e l l i n g s c r e w s .
1 . T he
l e v e l u s e d m u st make
i t p o s s i b l e to d e t e c t a
d e p a r t ur e
f r o m
l e v e l
o f .02 mm p e r
m e t r e
(.0007 p e r y a r d ) .
2 .
The p e r m i s s i b l e de v i a t i o n
m u st
be a s n e a r a s p o s s i b l e to
. 0 2 mm p e r
m e t r e l e n g t h w i s e
and . 0 4
p e r
m e t r e
c r o s s w i s e .
SHOUTING I H
I n
b e t w e e n
th e
g r o u n d
a nd l a t h e
b a s e s , i n s e r t s t e e l
wedges o r me
t a l
p a c k i n g
p i e c e s ( i n th e c e n t r e o f th e f o u r s i d e s o f f r o n t b a s e and
a t
t h e f o u r c o r n e r s o f r e a r b a s e ) .
Jam
s u c h
wedges
v e r y
l i g h t l y
and
t a k e
o a r e
t h a t
t h i s
o p e r a t i o n
d o e s
n o t d i s t u r b t he
l e v e l l i n g
o f th e l a t h e .
B u i l d a f r a m i n g a r o u n d th e B e a t i n g s i n t o w h i c h Ca n be p o u r e d a
l a y e r
o f
g o o d c e m e n t w h i c h w i l l p e n e t r a t e u n d e r
t he f e e t
b a s e s
and
w i l l
s u p p o r t
t h e m
a l l a r o u nd
t h e i r
p e r i p h e r y *
C a r e to be
t a k e n
t h at t h e h o l d
down
b o l t s h o l e s a r e w e l l f i l l e d
i n .
A f t e r th e c e m e n t h a s
th o u r o u g h l y
s e t . th e h o l d
down
b o l t
n u t s
s h o u l d
be p r o g r e s s i v e l y and
e v e n l y
t i g h te n e d
up ,
w h i l s t g i v i n g a
f i n a l
c h o c k to the
l e v e l l i n g .
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CAUTION
L e v e l
.your
l a t h e a s c a r e f u l l y в p o s s i b l e a n d g r o u t i t i n s o a s
t o
e na b l e i t
t o
w o r k
u n d e r
t h e
b e s t c o n d i t i o n s .
A v o i d
t i g h t e n i n g
u p t h e
h o l d
d o w n
b o l t s
i n
c a s e
t h e
l e v e l
U s e d
ha s n o t
b e e n
s u f f i c i e n t l y a c c u r a t e t o e n s u r e g o o d l e v e l l i n g -
Yo u ma y r e s t a s s u r e d t h a t a l a t h e
r e s t i n g
o n t h e g r o u n d , w i t h
i t s
l e v e l l i n g s c r e w s v e r y s l i g h t l y t i g h t e n e d u p
a g a i n B t
m e t a l
p a c k i n g p i e c e s ,
i n s e r t e d
u n d e r n e a t h
t h e l e v e l l i n g
s c r e w a ,
a n d w e d -
g e s o r m e t a l p a c k i n g p i e c e s p u s h e d s l i g h t l y i n b e t w e e n t h e b a s e s a n d
t h e g r o u n d a n d t h e n g r o u t e d i n a s g i v e n a b o v e ,
w i l l
w o r k u n d e r b e t -
t e r
c o n d i t i o n s t h a n i f b a d l y l e v e l l e d
a n d t w i s t e d b y t i g h t e n i n g u p
t h e
h o l d i n g
d o w n b o l t s
t o o
m u c h .
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7 .
I I I
К L В
С
'Г Н
I С A L I N S T A L L A T I O N
COftMKCTIOH
T h e
l a t h e has
b e e n w i r e d i n t e r n a l l y
by us.
A c a b l e
i n l e t
and t e r m i n a l s for c o n n e c t i o n to the n a i n s u p p l y
a r e p r o v i d e d i n the f r o n t
l e g .
Same are a c c e s s i b l e a f t e r r e m o v a l of
c o v e r A ( J i g .
3 .
A p l a t e f i x e d at the
c o n n e c t i o n
p o i n t i n d i c a t e d the f o l l o w i n g t
1. T h e v o l t a g e
and
f r e q u e n c y
r e q u i r e d f or the l a t h e
m o t o r
2 . The maximum f u l l l o a d c u r r e n t t a k e n by the
m o t e r
C A U T I ON
1. B e f o r e c o n n e c t i n g
up, make s u r e t h a t the
v o l t a g e
r e q u i r e d
by
th e
m o t o r
c o r r e s p o n d s
to
t h a t
of
y o u r
s u p p l y
m a i n s .
2 . P l e a s e n o t e t h a t the t wo - s p e e d
m o t o r , m o u n t e d
i n s i d e the l a t h e ,
i s
o n l y
s u i t a b l e f or the v o l t a g e i n d i c a t e d on the p l a t e .
T h e
w i n d i n g of the
m o t o r
i s of the DAHUUiDKH
t y p e .
3-
b o t e t h a t the l a t h e
i s
n o r m a l l y d e l i v e r e d
w i t h
a mmgnotio t h e r
m o - e l e c t r i c p r o t e c t i o n w h i c h p r o t e c t s the
m o t o r
a g a i a s t отгвз?-»
l o a d i n g and the net a g a i n s t e v e n t ua l s h o r t c i r c u i t s i n the
e l e c t r i c a l
i n s t a l l a t i o n of the l a t h e .
H o w e v e r ,
c e r t a i n
l e g a l
r e g u l a t i o n s i n f o r c e i n the c o u n t r y
w h e r e
the
m o t o r
l e to be
u s e d ,
can make
i t
n e c e s s a r y to p l a c e a c i r c u i t c u t t e r o r o a f e -
t y f u s e s i n the
p o w e r
l e a d i n g c a bl e to the l a t h e •
4*
H a t c h
t h a t
the
m o t o r
of a
c o o l a n t
pump
e q u i p m e n t ,
w h i c h
emy
be
s u pp l i e d a f t e r d e l i v e r y of the l a t h e , i s s u i t a b l e
f o r y o u r
s u p p l y v o l t a g e . F o l l o w the a s s e m bl y i n s t r u c t i o n s s e n t
w i t h
i t
and, i n any саве make s u r e t h a t the
m o t o r
r o t a te s i n the
d i -
r e c t i o n i n d i c a t e d on the
pump b o d y .
5-
D i r e c t i o n of r o t a t i o n .
T h e m o to r s
and a c c e s s o r i e s are c o n n e c t e d i n s u c h a way t h a t
when
h a n d l e 25 ( F i g .
3) i s
p u s h e d
d o w n w a r d s ,
the l a t h e
t u r n e
a n t i c l o c k w i s e
( n o r m al
d i r e c t i o n of t ur n i n g ) .
S p e c i a l e l e c t r i c a l e q u i p m e n t s
S h o u l d the l a t h e be
o r d e r e d
and d e l i v e r e d
w i t h
s p e c i a l
e l e c t r i c a l
e q u i p m e n t s not n o r m a l l y p r o v i d e d , p l e a s e f o l l o w the i n d i c a t i o n s of
th e d i a g r a m s u p p l i e d w i t h the l a t h e , or ask us f or
s a m e .
JSLSC T HIOA L DIAGRAM
T h e
d i a g r a m ( F i g . 4) i n d i c a t e s t
1. S i g n a l
l a m p
i n d i c a t i n g th a t the
m o t o r
t ur n s ( F i g .
3
n°9)
2 . S i g n a l
l a m p
i n d i c a t i n g t ha t the c ur r e n t a r r i v e s to the
p a n e l
( F i g .
3
n
* 8
3. M a i n s t o p b u t t o n ( a l s o
to be
u s e d
in
c a s e
of u r g e n c y ) ( F i g . 3
n
°10)
4*
B u t t o n
o p e r a t i n g
the
a r r i v a l
of the
c u r r e n t
to the
l a t h e
( F i g .
3 n
e
7 )
5»
B u t t o n
o p e r a t i n g the e l e c t r o p u mp ( F i g . } n
e
6 )
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6.
S t op button o f t h e
e l e c t r o p u mp
( J i g .
> R
e
5 )
7* P o l e c h a n g in g s w i t c h r e v e r s i n g t h e r e t bt i o n
s e n s *
6.
P o l e c h a n g i n g s w i t c h
r e v e r s i n g
t h e
r o t a t i o n
s e n s e
9. P o l e c h a n g i n g s w i t c h r e v e r s i n g
t h e
r * t * t i o a
s e n n
1 0 . P o l e r e v e r s i n g s w i t c h o f
m o t o r
1 1 . P o l e r e v e r s i n g s w i t c h o f m o t o r
1 2 . M a i n m o t o r
1 3 .
M a n u a l r e v e r s i n g s w i t c h o p e r a t e d by
ht**41e
Ъ
( / i g .
>)
14* H a n d l e n
e
25
(* ig.
3 .
1 5 .
L o w v o l t
r e l e a s e
1 6 . K e d u c i n g r e s i s t a n c e f o r s i g n a l l a m p .
1 7*
S w i t c h o f
e l e c t r o p u mp
1 8 . T r a n s f o o f l i g h t i n g
a tt a c h e e r t
1 1 0 V .
1 9 . T r a n s f o s u p p l y i n g t h e c i r c u i t o p e r a t i n g t h * p-ole c h a n g i n g
s w i t c h e s
2 0 . S a f e t y f u s e o f s u p p l y i n g c i r c u i t
2 1 .
Ma g n e t i c
t h e r m o - e l e c t r i c m a i n
i n t e r r u p t e r
2 2 .
M o to r o f e l e c t r o p u m p
2 3 . N et
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XV. C H A R T OF O P E H A T I O N C O N T К O h S
A r r o w
n°
(*' «.
3)
CONTHOL FUNCTIONS
1 .
Speed g e a r b o x
c o n t r o l
l e v e r
2 .
T h r e a d
c u t t i n g and
f e e d
s e l e c t i o n l e v e r
3 - T h r e a d c u t t i n g and f e e d s e l e c t i o n l e v e r
4» T h r e a d c u t t i n g and f e e d s e l e c t i o n l e v e r
5- B u t t o n to s t o p the m o t o r of the
el e c t r o p u m p
6.
B u t t o n
to s t a r t th e
m o t o r of
the el e c t r o p u m p
7»
B u t t o n
to
h a v e
the
e l e c t r i c a l i n s t a l l a t i o n u n d e r
f u l l t e n s i o n
Ъ . Lamp i n d i c a t i n g t h a t the e l e c t r i c a l i n s t a l l a t i o n i s
u n d e r t e n s i o n
9« Lamp i n d i c a t i n g t h a t the m a i n m o t o r i s t u r n i n g
1 0 . M a i n " s t o p "
b u t t o n ( t o
be U3ed when u r g e n t
s t o p p i n g
i s r e q u i r e d )
1 1 .
C o n t r o l l e v e r g i v i n g ( w i t h l a t h e
i n
g e a r ) s l o w
and
f a s t i n o t i o n
to s c r e w
c u t t i n g g e a r
box
Ш.
H e a d s t o c k
s p e e d c h a n g e lever h i g h e r or l o w e r s p e e d
r a n g e .
13- L e v e r to r e v e r s e th e d i r e c t i o n of r o t a t i o n of the
f e e d
s h a f t
and the
l e a d s c r e w ,
and
a l s o
to s t o p the
l a t t e r
14« S l e e v e
of
s a f e t y p i n
15»
S a d d l e
h a n d c o n t r o l
1 0 * C o n t r o l
d i a l of
the l o n g i t u d i n a l
m o t i o n o f
th e
s a d d l e
1 7* C l u t c h l e v e r f o r
e n g a g e m e n t of
s a d d l e
and
c r o s s s l i d e
1 8 .
L o c k i n g
s c r e w of
th e o r i e n t a t i o n
of
the
t o o l s l i d e
1 * T o o l h o l d e r t u r r e t l o c k i n g l e v e r
2 0 .
C r o s s
s l i d e
h a n d
c o n t r o l
2 1 É T o o l s l i d e
h a n d
c o n t r o l
2 2 . S a d d l e l o c k i n g l e v e r
2 3 . T h r e a d c h a s i n g d i a l
2 4 -
L e v e r o p e r a t i n g
l e a d s c r e w
h a l f - n u t s f o r s c r e w c u t t i n g
2 5 .
C o n t r o l h a n d l e
of
r e v e r s i n g s w i t c h
of m o t o r
2 6 . T a i l a t o c k b a r r e l l o c k i n g l e v e r
27« L e v e r f o r q u i c k r e t u r n
of
t a i l s t o c k b a r r e l
2 t J .
L e v e r
to
l o c k
the t a i l s t o c k
on
th e
bed
29< T a i l s t o c k b a r r e l o p e r a t i n g h a n d w h e e l
3 0 . S l e e v e to come i n p o s i t i o n " D r i l l i n g " of the
t a i l -
s t o c k b a r r e l
3 1 « T a i l s t o c k o f f s e t
s c r e w
and
c h e c k s c r e w
3 2 .
Rod o p e r a t i n g c l u t c h and b r a k e
3 3 »
M a i n
s w i t c h
INSPECTION POORS А1Ф COVljjKS
( P i g *
3)
A.
A c c e s s
c o v e r
to e l e c t r i c a l i n s t a l l a t i o n
B .
A c c e s s
c o v e r f o r o i l sump l e v e r ,
f i l l i n g
and d r a i n i n g
a s w e l l as f u r b e l t t e n s i o n c o n t r o l
C. G u a r d
D. A c c e s s
c o v e r
to
q u a d r a n t
and
r e v e r s i n g s w i t h
E.
G u a r d of
h e a d s t o c k
and s c r e w
c u t t i n g
box
P. H e a dB t o c k
c o v e r
G. Lamps
s u p p o r t
H.
A c c e s s c o v e r
to e v e n t u a l
c o o l a n t a t t a c h m e n t
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У .
OPERATING THE
LATHS
( S e e f i g .
»
STARTING,
STOPPING
AND
ÜEVEfiSIliG
DIRECTION
OF
ROTATION
1° T u r n h a n d l e
n
e
33
i n t o p o s i t i o n I
2° S t a t e t h a t l a m p В l i g h t s up a t
h a l f s t r e n g t h
N o t e ; i f
l a m p 9 l i g h t s
up a t
h a l f
s t r e n g t h ,
h a n d l e 25 w i l l
b e o p e r a t e d u n t i l l a m p Ö l i g h t s
up
at h a l f s t r e n g t h .
3° P u s h
on
b u t t o n
7,
l a m p 8 w i l l l i g h t
up a t
f u l l s t r e n g t h
the
l a t h e
i s
t h e n r e a d y to w o r k and as
a
c o n s e q u e n c e , o p e r a t i n g
h a n d l e 2 5 w i l l s t a r t m o t o r .
4° L e v e r 25 o p e r a t e s th e m a n u a l r e v e r s i n g
s w i t c h .
F o u r
p o s i t i o n s
a r e
a v a i l a b l e s
two
p o s i t i o n s
a b o v e
and
two
p o s i t i o n s
b e l o w
the
n e u t r a l p o s i t i o n .
The
n e u t r a l p o s i t i o n
c o r r e s p o n d s to
the m o t o r
b e i n g s t o p p e d.
The
f i r s t d o w n w a r d s p o s i t i o n (S) g i v e s the l o w e s t
s p e e d ; the s e c o n d d o w n w a r d s
p o s i t i o n
(R) g i v e s the h i g h e s t m o t o r
s p e e d .
U n d e r the same c o n d i t i o n s , th e two u p p er p o s i t i o n s
r e v e r s e s the
m o t o r .
The
r e v e r s i n g
of
th e d i r e c t i o n
of
r o t a t i o n
of
the m o t o r
w i l l
be
e f f e c t e d by
g o i n g f r o m th e
h i g h
s p e e d
p o s i t i o n
i n
one
d i r e c t i o n
of
r o t a t i o n
to
the h i g h
s p e e d
p o s i t i o n i n the r e -
V e r s e d i r e c t i o n , a f t e r s t o p p i n g f o r
one or two
s e c o n d s i n the
n e u t r a l p o s i t i o n .
5 °
The
m o t o r b e i n g
s t a r t e d
by
h a n d l e 2 5
(
l a m p 9 l i g h t s
up a t
f u l l
s t r e n g t h ;
t h i s
l a m p
t h u s
a l w a y s i n d i c a t e s t h a t
th e
m o t o r
i s
t u r n i n g .
I f
l a m p
9
l i g h t s
up a t
f u l l
s t r e n g t h
and
i f the
h e a d s p i n d l e d o e s
n o t t u r n , t h a t means t h a t
j
e i t h e r the l a t h e i s
u n c l u t o h e d or
one
of
th e l e v e r s 1
or
12 i s not i n af t e n g a g e d p o s i t i o n . ,
CAUTION t
do
not h a n d l e t h e s e l e v e r s b e f o r e h a v i n g s t o p pe d th e m o t o r
t h r o u g h l e v e r 25
( l a m p
9
e x t i n g u i s h e d ) or o p e r a t e d the
f o o t
p e d a l
as
f o l l o w s
i
DISENGAGING
-
3WFPlîiG
- BRAKE
Th e
f o o t
p e d a l
has
th e
f o l l o w i n g f u n c t i o n s t
A.
DISENGAGING
I n th e f i r s t p a r t
of i t s d ep r e s s i n g
d o w n w a r d s , th e f o o t
p e d a l
s t o p s the r o t a t i o n
of
th e i n p u t s h a f t
of
th e B p e o d g e a r b o x ,
and
a s
a
c o n s e q u e n c e th e
r o t a t i o n
of
th e h e a d s p i n d l e, n o t w i t h s t a n d i n g
t h e f a c t t h a t the i n p u t p u l l e y
of
the
s p e e d g e a r b o x
i s
s t i l l r u n -
n i n g .
The o p e r a t i o n
of
t h i s
f o o t
p e da l e n a b l e s t h u s
to
c h a n g e
the
s p e e d ,
t o o p e r a t e the h a n d l e s w i t h o u t
h u v i n g to
s t o p th e m o t o r . I t m o r e -
o v e r e n a b l e s
to
s t o p m o m e n t a r i l y th e r o t a t i o n
of
t h e h e a d s p i n d l e
w he n n e c e s s a r y . L o o s e n i n g t h e
f o o t
p e d a l
r e s t a r t s th e
h e a d s p i n d l e *
S.
.STOPPING
BRAKE
I n the
l a s t p a r t
of
i t s d e p r e s s i n g i . e .
at the b o t t o n
downwards
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t h e
f o o t p e d a l b r a k e s t h e p u l l e y o f t h e s p e e d g e a r b o x ( a
l i g h t
c l i c k r a u s t
be h e a r d ) a n d t h e h e a d s p i n d l e
i n s t a n t a n e o u s l y s t o p s .
B y
r e l e a s i n g
t h e f o o t p e d a l ,
ваше
r e a s c e n d s
h a l f
way w h e r e i t
r e m a i n s
l o c k e d .
T h i s e n a b l e s t o p r o c e e d
w i t h o u t
d a n g e r t o t h e
l o a d i n g
o r t h e u n -
l o a d i n g
o f
p a r t s
o n t h e
l a t h e ,
o r t o a n y
o t h e r o p e r a t i o n
r e q u i -
r i n g
t h e s t o p p i n g o f t h e h e a d s p i n d l e ,
w i t h o u t
h a v i n g t o s t o p t h e
m o t o r o r t o
k e e p
t h e
f o o t
o n t h e p e d a l .
C.
&E
-STARTINO
P u s h w i t h f u l l s t r e n g t h on t h e p e d a l ( a
l i g h t
c l i c k m u s t b e h e a r d ) ,
same
c a n t h e n r e t u r n
u p w a r d s
a n d t h e h e a d s p i n d l e s t a r t s a g a i n .
щ щ STOP OR то m usjžD m C A S E OF
UK QSSW*
P u s h
on
b u t t o n
1 0
S
t h i s
w i l l
d r o p o u t t h e
m a i n
i n t e r r u p t e r
33
a n d
i n s t a n t a n e o u s l y c u t t h e a r r i v a l o f t h e s t r e a r a t o t h e e l e c t r i c a l
i n s t a l l a t i o n
o f t h e
l a t h e .
p p e r a t i o n o f h a n d l e 1 a n d h a n d l e 1 2
Th e o p e r a t i o n o f h a n d l e 1 o c c u r s a s f o l l o w s s
-
P u s h
f o o t p e d a l
J 2 h a l f
way
d o w n w a r d s .
- O p e r a t e t h e h a n d l e w h e n t h e h e a d s p i n d l e h as
n e a r l y
s t o p p e d .
- I n c l i n e f u l l y h a n d l e 1 i n d i r e c t i o n o f t h e l a t h e a n d p u s h same
t o
t e
l e f t
f o r s p ee d
1
o r t o t h e r i g h t f o r s pee d
I I
- I n c l i n e
f u l l y
h a n d l e
1
i n d i r e c t i o n o f t h e u s e r
an&
p u s h
same
t o
t h e
l e f t
f o r s p ee d
I I I
o r t o t h e r i g h t f o r s p ee d I V .
- p l a c e h a n d l e
1 2
w i t h i t s a r r o w i n A t o
o b t a i n
t h e u n g e a r e d s p e e d e .
- p l a c e h a n d l e
1 2
w i t h i t s a r r o w i n
В
t o
o b t a i n
t h e b a c k g e a r e d
s p e e d s .
CAPTION
-
D o
n o t h a n d l e
b r u t a l l y
t h e s e h a n d l e s .
- O p e r a t e t h e s e h a n d l e s o n l y
a f t e r
h a v i n g u n c l u t c h e d whe n t h e
h e a d s p i n d l e
h a s
n e a r l y
s t o p p e d .
- I t i s n o t a d v i s a b l e t o
t u r n
a t
s p e e d s
h i g h e r t h a n
0 0 0
r pm
w i t h
a 4 j a w f a c e p l a t e o r a n o t p e r f e c t l y
e q u i l i b r a t e d
s e t t i n g .
SHUICTING
A SPflKD ( s e e s p e e d d a t a
p l a t e s
f i g .
6
a n d
6
A)
Speed s
i n c o l u m n
A
c o n s t i t u t e t h e u n g e a r e d
s p e e d s *
T h e s e
s p e e d s
a r e s
2 Ü 0 0 - 1 2 5 O - 1 0 0 0
-
öOO
-
63 О - 5 0 0 - 4 0 O -
2^ 0 rpm.
Speed s i n c o l u m n В c o n s t i t u t e t h e b a c k g e a r e d s p ee d s . T h e s e s p e e d s
a r e
;
3 1 5 - 2 0 0 - 1 6 0 -
1 2 5
- 1 00 -
ЬО
-
6 3
- 4 0
rpm.
To
o b t a i n
a n y o n e o f t h e
s p e e d s
m e n t i o n e d i n c o l u m n A, l e v e r 1 2
m u s t a t f i r s t
b e p u t
i n t o
p o s i t i o n A.
To o b t a i n
a n y o n e o f
t h e s p e e d s
m e n t i o n e d
i n
c o l u m n B ,
l e v e r 1 2
m u s t a t
f i r s t
b e p u t i n t o p o s i t i o n B.
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12.
S p e e d s i n h o r i z o n t a l c o l u m s
R
a r e
t h e
l a t h e
s p e e d s
w h e n t h e
m o t o r
r i m s a t i t s h i g h e s t s p e e d
i . e ,
l e v e r 25 at t h e end of i t s t r a v e l
u p w a r d s
or
d o w n w a r d s ) .
I n
t h i s
c a s e , t h e p o w e r t r a n s m i t t e d by t h e mo
t o r
i s I
10
HP.
S p e e d s
i n h o r i z o n t a l c o l u m n a a r e t h e l a t h e s p e e d s
w h e n
t h e m o t o r
r u n s
at i t s
l o w e s t s p e e d
i . e . l e v e r 25 in t h e f i r s t p o s i t i o n e i t h e r
u p w a r d s or d o w n w a r d s
f r o m t h e n e u t r a l p o s i t i o n ) .
I n t h i s c a s e , the
p o w e r t r a n s m i t t e d i s : 7« 5 HP.
S p e e d s
i n h o r i z o n t a l c o l u m n s 1-2-3-4 a r e t h e l a t h e s p e e d s
w h e n
l e v e r 1 on s p e e d g e a r box i s p l a c e d im any of i t s p o s i t i o n s 1, 2 , 3
o r
4 .
SELECTING A SPEED IN EITHER THE HIGHER OR THE LOWER SPEED RANCE
S p e e d r e q u i r e d
L e v e r 12
L e v e r
1
L e v e r 25
H P . of
r . p . m .
p l a c e d
i n
p l a c e d
i n
p l a c e d
i n
m o t o r
UK
GEARED SPEEDS
2 0 0 0
A
4
R
1 0
I 2 5 O A
3
й
1 0
1 0 0 0
A
4
S
7 5
800
A
2
R
1 0
6 3 0
A
3
S
7 5
5OO
A
1
R
1 0
4OO
A
2
S
7 , 5
2 5 0
A
1
7,5
BACKGEARED
SPEEDS
3 1 5
В
4
R
1 0
20u В
3
R
1 0
160
В
4
S
7 5
1 2 5
В
2
R Ю
. 100
в
3
S
7,5
6 0
в
1
R
1 0
6 3
В
2
S
7 5
4 0
в
1
S
7 5
FEED AND SCRBWCUTTIMG BOA. OPERATION
L e v e r 11 i n p o s i t i o n
D g i v e s
f a s t f e e d s
o r
p i t c h e s o n c o n d i t i o n
t h a t t h e l a t h e i s r u n n i n g i n any one of t h e b a c k g e a r e d s p e e d s ) .
L e v e r 11 i n p o s i t i o n C
g i v e s
n o r m a l f e e d s and p i t c h e s .
When l e v e r 11
i 3
i n t h e p o s i t i o n b e t w e e n and D t h e f e e d and
s c r e w c u t t i n g box i s d i s e n g a g e d .
SELECTING FEEDS
T h e
s c r e w
c u t t i n g c h a r t i n d i c a t e s the p o s i t i o n s
i n t o
w h i c h the
l e -
v e r s m u s t be p l a c e d to o b t a i n a p i t c h or a f e e d . Of c o u r s e i t i s es
s e n t i a l to make s u r e t h a t t h e s e t t i n g of tho
g e a r s
i n t h e
s w i n g
f r a m e
c o r r e s p o n d e e x a c t l y w i t h the s e l e c t e d
f e e d
or p i t c h of t h r e a d .
T h e
f o u r c o m b i n a t i o n s w h i c h can n o r m a l l y be s e t Up at the s w i n g
f r a m e
a r e
r e p r o d u c e d on
a
p l a t e f i x e d I n s i d e
the
s w i n g
f r a m e h o u s i n g
c o v e r
D F i g . 3) .
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13.
F i g . 7A
s h o w s
t h e p l a t e
r e l a t i n g
t o
l a t h e s f i t t e d
w i t h a
6 mm
p i t c h l e a d s c r e w . *
F i g .
7
s h o w s
t h e p l a t e
r e l a t i n g
t o l a t h e s
f i t t e d
w i t h a
4
t . p . i .
l e a d s c r e w .
C o m b i n a t i o n I g i v e s
p i t c h e s
a n d f e e d s i n
m i l l i m e t r e s .
C o m b in a t i o n I I g i v e s
p i t c h e s
i n t e r m s o f t h r e a d p e r i n c h and
f e e d s
i n t e r m s o f t h o u s a n d t h s o f an
i n c h .
C o m b i n a t i o n I I I g i v e s t h e m o d u l e p i t c h e s .
C o m b i n a t i o n I V g i v e s t h e
" d i a m e t r a l " p i t c h e s .
NOTES
1. C o m b i n a t i o n I g i v e s f e e d s a b o v e 0 ,5 mm o n l y f o r
s p e e d s
w i t h i n
t h e
l o w e r r a n g e , i . e . w i t h l e v e r В i n
12
a n d l e v e r
11
i n
D.
C o m b in a t i o n I I g i v e s f e e d s a b o v e .020 o n l y f o r
s p e e d s
w i t h i n
i
he
l o w e r r a n g e, i . e . w i t h
l e v e r
В i n
12
a n d
l e v e r 11
i n
D,
3 .
C o m b i n a t i o n I I I g i v e s f e e ds i n m i l l i m e t r e s e q u a l t o
1 ,6
t i m e t h e
n o r m a l f e e d s .
4* C o m b i n a t i o n
I V
g i v e s f e ed s i n t h o u s a n d t h s o f an
i n c h
e q u a l t o
1 ,6
t i m e t h e n o r m a l f e e d s .
5.
Сгоза f e e d s a r e e q u a l t o h a l f t h e
t r a v e r s e
f e e d s .
6 .
I t i s p o s s i b l e t o
o b t a i n
s p e c i a l
p i t c h e s
o f t h r e a d o r f e e d s b y
s e t t i n g u p t h e g e a r s d i f f e r e n t l y f r o m t h e s t a n d a r d c o m b i n a t i o n s
o r
b y
s e t t i n g
u p s p e c i a l g ea r s ( i n
t h i s
c a s e , p l e a s e
r e f e r
t h e
m a t t e r t o u s ) .
CAUTION
1 * Th e
p i t c h e s b e l o w
c an be o b t a i n e d a t
s p e e d s
w i t h i n e i t h e r t h e
l o -
w er o r h i g h e r r a n g e b u t w i t h h a n d l e 11 i n C.
M e t r i c
p i t c h e s
s f r o m 0,45 t o 2, 5 ши
( 0 , 7 ^ n d 0,Ü mm e x c e p -
t e d w h i c h c a n be c u t o n l y w i t h i n t h e
u n -
g e a r e d
o p e e d s
w i t h h a n d l e
11
i n U
M o d u l e p i t c h e s
f r o m
0 , 2 5
t o
1,25
mm (0,35
- 0 ,4 - 0 ,7 -
0 ,
Ümm
e x c e p t e d w h i c h c a n be c u t
o n l y w i t h i n
t h e
u n g e a r ed
s p e e d s
w i t h h a n d l e
11
i n
D
W h i t w o r t h p i t c h e s
: f r o m
4Ь
t o 6
1 /2
t . p . i .
D i a m e t r a l p i t c h e s
: f r o m
9 6
t o
13
2
e
The f o l l o w i n g
p i t c h e s
c a n be o b t a i n e d
o n l y
a t
s p e e d s w i t h i n
t h e l o -
w er r a n g e, i . e . w i t h h a n d l e
12
i n В a n d h a n d l e
11
i n D.
M e t r i c
p i t c h e s
f r o m
2 , 7 5
t o
20
am
M o d u l e
p i t c h e s
t f r o m
1 ,5
t o
10
W h i t w o r t h
p i t c h e s
t f r o m
6
t o 13/16 t
p . i .
D i a m e t r a l
p i t c h e s
t f r o m
12
t o
1
5/S
3 t i o a r o t o c u t t h r e a d s t o M o d u l o a n d
D i a m e t r a l
pitcheü do n o t f o r m
p a r t o f t h e s t a n d a r d e q u i p m e n t o f t h e
l a t h e .
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14-
TRAVERSE OR CROSS FKED
MOTION
To e n g a g e t r a v e r s e f e e d
W i t h l e v e r 17 i n n e u t r a l p o s i t i o n , t u r n i t to the
l e f t
a f t e r h a v i n g
made
зиге t h a t i t
was
f u l l y p u s h e d
i n
d i r e c t i o n
of the
l a t h e .
To e n g a g e c r o s s f e e d
W i t h l e v e r
17 i n
n e u t r a l p o s i t i o n , t u r n i t
u p w a r d s a f t e r
h a v i n g ma-
de s u r e t h a t i t
was
f u l l y p u s h e d
i n
d i r e c t i o n
of th e
u s e r .
T o s t o p th e t r a v e r s e or c r o s s motion» s i m p l y b r i n g b a c k l e v e r 1 ?
t o i t s n e u t r a l p o s i t i o n .
CAUTION
T a k e c a r e
t h a t
l e v e r 24 i s i n i t s t o p m o s t p o s i t i o n , o t h e r w i s e the
s a f e t y
d e v i c e , w h i c h
i s
f i t t e d
to
p r e v e n t
the s i n u l t a n e o u s e n g e g e m e n t
o f
f e e d and s c r e w c u t t i n g m o t i o n s , makes i t i m po s s i b l e to
h a v e
a u t o -
m a t i c m o t i o n
of one or the
o t h e r a u t o m a t i c f e e d .
SCREWCUTTING MOTION
To e n g a g e s c r e w c u t t i n g m o t i on
- make s u r e
t h a t
l e v e r 17 i a i n n e u t r a l p o s i t i o n .
- p u l l l e v e r 24 r i g h t d o w n .
STOPPING.
ROTATION. REVERSING of the
r o t a t i o n d i r e c t i o n
of the
l e a d -
s c r e w and the f e e d
s h a f t .
T h e s e o p e r a t i o n s o c c u r t h r o u g h h a n d l e 15 ( h a n d l e w i t h 4 p o s i t i o n s ) .
P l a c e h a n d l e 13
i n one of
i t s
e x t r e m e
p o s i t i o n s
to
o b t a i n
the ro-
t a t i o n of th e l e a d s c r e w i n the one or the o t h e r
d i r e c t i o n .
P l a c e h a n d l e 13 i n one of i t s i n t e r m e d i a t e p o s i t i o n s to o b t a i n the
s t o p p i n g
of the
l e a d s c r e w
and the
r o t a t i o n
of the
f e e d s h a f t
i n the
on e or i n the o t h e r
d i r e c t i o n .
LOOKING MAIN SADDLE ( a t any p o i n t on th e bed)
- B r i n g
m a i n
s a d d l e w h e r e
you w a n t to
l o c k i t
•m T u r n l e v e r 22 d o w n w a r d s
CAUTION
Make s u r e
t h a t
l e v e r 22 i s a l w a y s U n l o c k e d i f you w o r k on t r a v e r s e
f e e d
or on
s c r e w c u t t i n g .
S a d d l e
l o c k i n g i s s u f f i c i e n t f o r t u r n i n g j o b s
but not
s u f f i c i e n t
t o
make i t i m po s s i b l e to move th e s a dd l e i f a g o o d e f f o r t i s e x e r t e d
on the h a n d w h e e l
15»
TAILSTÜCK
The l o c k i n g of the t a i l s t o c k on the bed o c c u r s by d r a w i n g
u p w a r d s
l e v e r 28 i n
d i r e c t i o n
of the u s e r .
The t a i l s t o c k
c a n
be uöed i n two d i f f e r e n t w a y s :
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в
15 .
A.
W i t h q u i c k
r e t r a c t i o n o f
q u i I X
f o r t u r n i n g
o p e r a t i o n s
b e t w e e n
c e n t r e s . Th e
q u i c k
r e t r a c t i o n i s o b t a i n e d b y
p u s h i n g
l e v e r
2 |
t o t h e r e a r a f t e r h a v i n g ^ u n l o c k e d l e v e r 26 ( m o t i o n o f q u i l l Ï
5 / 8 )
1 A s a
n o r m a l
t a i l s t o c k a f t e r fea vi eg d i s e n g a g e d t h e
q u i c k
r e -
t r a c t i o n d e v i c e a s f o l l o w s :
1. p u s h
f u l l y
h a n d l e
27 t o
t h e r e a r
2 . l o c k
t h e q u i l l i n t h i s p o s i t i o n w i t h h a n d l e 26
3«
l o o s e n
t h e i n s i d e
h e x a g o n
ОСГ QVJ o f s l e e v e
^0
4.
s c r e w
f u l l y
s l e e ve
30
5. l o c k a g a i n t h e i n s i d e h e x a g o n s c r e w
КОТЕ
U n s c r e w f u l l y
s l e e v e
>0
a f t e r h a v i n g
p r e c e d e d
a s de4«rifee4
h e r e a b o v e i f
y o u w a n t t o w o r k a g a i n w i t h t h e
q u i c k
r e t r a c t i o n
d e v i c e .
SLIDING WORK AGAINST
STOPS
Th e a u t o m a t i c m o t i o n
o f t h e
s a d d l e a n d t h e c r o s s e l i d e o&n
b e
i n t e r r u p t e d
w i t h o u t d a n g e r
b y
s t o p p i n g a g a i n s t
t h e
s t e p s
p r o v i d e d o n
t h e l a t h e . Th e f e e d m o t i o n i s t h e n
i n t e r r u p t e d
b y
t h e
i n t e r v e n t i o n
o f a f r i c t i o n
d e v i c e h o u s e d
i n t h e
a p r o n . T h i s i n t e r r u p t i o n g i v e s
r i s e
t o a s e r i e o f c l i c k s . I t i s
t h e n n e e e a a a r y
t o
s t o p
t n *
s l i d i n g
m o t i o n
b y p u t t i n g
h a n d l e
17 t o
i t s
d e a d
p o i n t .
CAUTION
T a k e
c a r e
n o t t o
l e t
t h e
f r i c t i o n
d e v i c e w e r k
u n n e c e s s a r i l y
a n d
n o t t o l e a v e t h e c a r r i a g e a g a i n s t t h e в t o p е a n y l o n g e r t h e n i s
n e c e s s a r y b e f o r e
b r i n g i n g
l e v e r
17
(fig«
3 )
bciok
t o
t h e âe&4
p o i n t . I f t h e c l i c k s a r e
h e a r d d u r i n g w o r k i n g ,
i t
n a y n e e n
t h a t
s o m e o b s t r u c t i o n i s i m p o n d i n g t h e c a r r i a g e f e o d n o t i o n s , o r t h a t
t h e c u t
o p p o s e s
t o o
g r e a t r e s i s t a n c e
t o t h e
f e e d n o t i o n .
I n t h i s
c a s e , c h e c k
w h e t h e r t h e m a i n
s a d d l e
i s
w o r k i n g
f r e e l y o r
r e d u c e
t h e p a s s i n c o n s e q u e n c e .
T h i s
f r i c t i o n
d ev i c e ( t o r q u e l i m i t i n g d e v i c e )
h a s
bee n
s e t
f o r
t h e
h e a v i e s t
w o r k
a c c o u n t b e i n g t a k e n
o f t h e p o w e r o f t h e
l a t h e ;
i t d o e s n o t
r e q u i r e
a n y
m a i n t e n a n c e
a n d i s p r a c t i c a l l y f o o l - p r o o f .
FIRST
START
AND
RUNNING
I N
B e f o r e s t a r t i n g y o u r l a t h e , c h e c k
t h a t
a l l m o v i n g p a r t s
a r e w e l l
l u b r i c a t e d . On t h i s p o i n t , s e e C h a p t e r o n M a i n t e n a n c e .
I t
i s
n e c e s s a r y
t o
a l l o w f o r
a
r u n n i n g p e r i o d d u r i n g »hieb
t h e
l a t h e m u s t
o n l y
b e r u n a t t h e
l o w e r s p e e d s
i n t h e h i
^ i e r
s p e e d r a n g e
a n d o n t h e s l o w f e e d s o f t h e f e e d a n d s c r e w c u t t i n g b o x . D u r i n g t h i s
p e r i o d o n l y
de
l i g h t j o b s .
I t i s
h o w e v e r n e c e s s a r y
t o r u n t h e
s p i n d l e
a t increafäing
s p e e d s ,
n o w a n d
a g a i n f o r
a f e w
m i n u t e s ,
b y
e n g a g i n g
t h e t r a v e r s e a n d c r o s s f e ed s o n n o
k a d j
a l s o , a s r e g a r d a t h e f e e d a n d
s c r e w c u t t i n g m o t i o n s , i t
i s e s s e n t i a l t o
t a k e p r o g r e s s i v e l y
l a r g e r
f e e d s a n d
t h r e a d p i t c h e s .
Do n o t
s p a r e
l u b r i c a t i o n
d u r i n g r u n n i n g i n *
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16.
V I , ADJUüTiMTS AMD DISMANTLING
BELTS TENSION
See F i g . 8 f o r a d i a g r a m m a t i c r e p r e s e n t a t i o n of th e t r a n s m i s s i o n
s y s t e m .
A. BELT TENSION
BETWEEN
SPEED PEAKBOX AND HEADSPINDLE
A d j u s t t h i s t e n s i o n by
means
of b e l t t i g h t e n e r 1.
F i r s t
r e m o v e d o o r B.
1 . S l a c k e n
o f f nut 10.
2 .
S l a c k e n
o f f l o c k n u t 1 1 .
3 .
T u r n t i g h t e n e r n ut 2 t o make s p e e d g e a r box s w i n g d o w n w a r d s
r o u n d a x i s
7«
4-
T i g h t e n up a g a i n l o c k n u t 11 a f t e r h a v i n g o b t a i n e d the c o r r e c t
t e n s i o n
of the
b e l t 3 .
5* L o c k n ut 10.
B. BELT TENSION
BETWEEN MOTOR
AND SPEED GEARBOX
A d j u s t
t h i s
t e n s i o n by means of b e l t t i g h t e n e r 3«
F i r s t r e m o v e d o o r B.
1 . S l a c k e n
o f f l o c n u t 5*
2 . T u r n t i g h t e n e r n ut so t h a t m o t o r b r a c k e t 9 moves a w a y f r o m
t h e
s p e e d
g e a r b o x .
3 .
T i g h t e n up l o c k n u t
5 a f t e r
h a v i n g o b t a i n e d the c o r r e c t t e n
s i o n
o f
the b e l t s .
CAUTION
T a k e c a r e
t h a t b e l t s
are a l w a y s p r o p e r l y t i g h t e n e d .
A v o i d m a k i n g t h e m too t i g h t .
Make
s u r e ,
a f t e r t i g h t e n i n g the b e l t s , t h a t t h e i r
s i d e s
d e p r e s s
s l i g h t l y u n d e r f i n g e r p r e s s u r e .
TAKING UP A X I A L AND RADIAL PLAY
AT
SPINDLE BEARINGS
T a k i n g up the p o s s i b l e p l a y a t the s p i n d l e b e a r i n g s i s d o n e as
f o l l o w s :
1. Remove c o v e r F ( F i g . 3)
2 . S l a c k e n o f f s c r e w 3
( F i g . 1 1 )
3 .
S c r e w i n v e r y
s l i g h t l y
a d j u s t i n g n ut 4 ( F i g . 11)
4 . T i g h t e n up a g a i n
s c r e w
3 ( F i g .
3 )
CAUTION
1 . N o t e t h a t
t h i s a d j u s t m e n t i s
gehèrally
o n l y
n e c e s s a r y a f t e r
many
y e a r s o f . s e r v i c e .
2 . W a t c h t h a t
r o l l e r
b e a r i n g s do n o t s h o w any s e r i o u s p l a y and t h a t
a t the same
t i m ,
t h e y are n e v e r e x c e s s i v e l y t i g h t .
3 .
C a r r y out
t h i 3
a d j u s t m e n t i n s l i g h t s u c c e s s i v e t i g h t e n i n g s , w o r
k i n g
w i t h
the
l a t h e f o r
a few h o u r s
b e t w e e n e a c h
a d j u s t m e n t .
4 . At th e end o f th e a d j u s t m e n t , do not n o r m a l l y go by m o r e t h a n
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17
. 1 1 8 or .157 p a s t
t h e
m a r k on r i n g 6 ( F i g . 11)
i n d i c a t i n g
the
i n i t i a l s e t t i n g .
5*
U n s c r e w n u t 4
b y one
t u r n
and d r i v e
out s p i n d l e t o w a r d s t a i l
s t o c k
i f h a v i n g
g o n e
p a s t t h e
o p t i m u m
s e t t i n g ,
you
w a n t
t o
come b a c k t o a
f r e e r
s e t t i n g p o s i t i o n w h i c h i s o f t e n the one
g i v i n g t h e b e s t r e s u l t .
HEADSPINDLE
F i g .
9 g i v e s a l l the s p i n d l e
n o s e
d i m e n s i o n s r e q u i r e d te c a r r y o u t ,
s h o u l d t h e n e c e s s i t y
a r i s e ,
any s p e c i a l
s o t
t i n g s . T h e s e d i m e n s i o n s
a r e g i v e n b o t h
in mm and
i n i n c h e s .
F EE D AND
SCHEWCUTTIMG
BOX
Th e g e a r b o x m e c h a n i s m i s p r o t e c t e d i n two w a y s
•
by a
s a f e t y d o w e l
f o r s c r e w c u t t i n g j o b s
U n d e r c o n d i t i o n s of a b n o r m a l
s t r a i n
o r t h r o u g h w r o n g o p e r a t i o n ,
t he
s a f e t y
p i n w h i c h i s l o c a t e d a t
t b e e n t p u t
o f t h e s c r e w c u t t i n g
box on t h e l e a d s c r e w
u n d e r
s l e e v e 14
( F i g .
3 , s h e a r s .
I t m u s t be e x c h a n g e d by an o r i g i n e l y i n . T h i s pin i s of
h a r d d r a w n
b r a s s
Gauge 4 a c c o r d i n g t o B r i t i s h I m p e r i a l Wirr».
T he s p a r e
s a f e t y d o w e l s
w i l l
be
f o u n d u n d e r s l e e v e
14 F i g . 5)
R e p l a c i n g t h e
s a f e t y d o w e l
1 . r e m o v e t h e
s c r e w
w h i c h i s l o c a t e d i n s l e e v e 14
f i r
3 ) .
2 .
deaw s l e e v e
14
t o
t h e r e a r .
3
r e m o v e
t h e s h e a r e d
s a f e t y
p i n .
4* p l a c e t h e
new s a f e t y
p i n
and m o u n t a g a i n .
CAUTION
N e v e r
s t r e n g t h e n t h e
s a f e t y
d o w e l , i t w o u ld t h e n f a i l in i t s p u r
p o s e
and t h i s c o u l d l e a d t o v e r y s e r i o u s t r o u b l e s .
Make s u r e
t h a t
e v e r y t h i n g
w o r k s
f r e e l y ,
t h a t
t h e f e e d and s c r e w
c u t t i n g
box i s w e l l o i l e d , t h a t t h e c u t i s n o t t o o
d e e p ,
t h a t th e
t w o h a l f - n u t s on t h e l e a d s c r e w a r e n o t t o o t i g h t on t h e
l a t t e r
(see
T i g h t e n i n g t h e l e a d s c r e w
h a l f - n u t s ) .
B.
by a
f r i c t i o n
d e v i c e
h o u s e d
i n t h e a p r o n f o r
s l i d i n g
and
s u r f a c i n g
w o r k .
I n c a s e o f
a b n o r m a l s t r a i n ,
o r when w o r k i n g a g a i n s t s t o p , t h e f e e d
i s
s t o p p e d . T h i s
s t o p p a g e
g i v e s r i s e
t o a s e r i e o f
c l i c k s . I t
i s
t h e n n e c e s s a r y t o s t o p t h e t r a v e r s e or c r o s s m o t i o n m e c h a n i s m by
b r i n g i n g l e v e r
17 ( F i g .
3
b a c k t o t h e
d e a d
p o i n t .
T h i s
f r i c t i o n
d e v i c e ( t o r q u e l i m i t i n g d e v i c e ) has b e e n s e t f o r
t h e h e a v i e s t
w o r k ,
a c c o u n t b e i n g t a k e n of t h e p o w e r o f t h e l a t h e j
i t
d o e s n o t r e q u i r e any m a i n t e n a n c e and i s p r a c t i c a l l y f o o l - p r o o f .
CAUTION
T a k e
c a r e
n o t
t o
l e t t h e
f r i c t i o n
d e v i c e
w o r k
u n n e c e s s a r i l y
and
.
no t t o
l e a v e t h e c a r r i a g e a g a i n s t t h e s t o p a
any
l o n g e r t h a n
i s
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16
n e c e s s a r y
b e f o r e b r i n g i n g l e v e r
17 ( F i g .
3) b a c k
te
the d e a d
p o i n t .
N o t e
t h a t ,
i f t h o s e
c l i c k s
are h e ar d d u r i n g
w o r k i a g ,
i t
may
ю-еап
t h a t some o b s t r u c t i o n i s
i m p e d i n g
the c a r r i a g e f e e d m o t i o n s
9
or
t h a t the cu t
o p p o s e s
too g r ea t r e s i s t a n c e to the f e e d m o t i o e . .
I n t h i s
c a s e ,
c h e c k
w h e t h e r
th e r a a in s a d d l e i s w e r k i n g f r e e l y
s
i f
t h e t o o l i s s h a r p ,
a . s . o .
LEAPSCBEW
A d j u s t th e tommy nut
on
the
l e a d s c r e w end
a g a i n s t th e
s c r e w -
c u t t i n g
box.
CAUTION
K e e p
an
a x i a l p l a y
óf max. .003 a t t h i s
s p o t .
GUIDING
OF
HALF
NUTS
ON
LEADSCREW
The h a l f n u t s are p r o v i d e d w i t h a p a c k i n g
s t r i p ( F i g .
1 0 )
To r e d u c e the p o s s i b l e p l a y
of
t h e s e
h a l f
n u t s
i n t h e i r s l i d e
1 * S l a c k e n o f f s l i g h t l y th e two s c r e w s 5 .
2 ° T i g h t e n
up
v e r y s l i g h t l y th e t h r e e
s c r e w s 6 .
N.B.
T h r e a d
c h a s i n g d i a l m u s t
be
r e m o v e d
to h aa re a c c e s s t o one
o f
t h e s e t h r e e
s c r e w s
6 (see
C h a p t e r V I I I ) .
3 ° T i g h t e n up a g a i n s c r e w s 5»
TIGHTENING
HALF NUTS ON LEADSCREW
When
the
two
h a l f
n u t s
a r e
no
l o n g e r
s u f f i c i e n t l y t i g h t
on
the
l e a d s c r e w ( F i g . 1 0
1. Remove c h e c k s c r e w 3 l o c a t e d i n the b o t t o m . . h a l f n u t .
2 . U n s c r e w t h r u s t s c r e w 2 u n t i l t h e r e
i s
no l o n g e r any p l a y .
3 « Put b a c k c h e c k s c r e w 3 .
CAUTION
M a i n t a i n
a
s l i g h t p l a y
a t t h i s
s p o t .
N o t e t h a t e x c e s s i v e
t i g h t e n i n g of
th e
two h a l f
n u t s
on
th e l e a d -
•
. s c r e w may l e d t o f r e q u e n t s h e a r i n g of th e s a f e t y d o w e l *
SADDLE
Remove th e g i b s . R e f i t
by
s c r a p i n g o f f some
of
the m a t e r i a l
on th e
g i b
f a c e s b e a r i n g a g a i n s t the s a d d l e .
T a k e c a r e t h a t t h e s e g i b s r e m a i n f l a t and t h a t t h e y do not b e a r
t o o t i g h t l y a g a i n s t th e
bed s l i d e
f a c e . T h i s f i t t i n g s h o u l d
be
d o n e
b y
men
s k i l l e d i n
t h i s
k i n d
of w o r k .
CROSS
S LI D E
A. T a k i n g
up
p o s s i b l e w e a r
of
g u i d e s
T i g h t e n up the s c r e w
c o n t r o l l i n g
the t a p e r e d g i b on the c r o s s s l i -
de w a y s .
T h i s s c r e w w i l l be f o u n d on th e r i g h t of the g u i d i n g p r i s m .
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B. T a k i n g up p o s s i b l e end p l a y on o p e r a t i n g s c r e w
T i g h t e n up w i t h а s p e c i a l key t h e nu t l o c a t e d i n t h e c e n t r e of
h a n d w h e e l
20
F i g . 3 ) .
T h i s n u t i s l o c k e d by an i n s i d e h e x a g o n
s c r e w
w hi c h m u s t f i r s t be
u n l o c k e d .
C.
T a k i n g
up
t h e p l a y
b e t w e e n
t h e n u t
and
t h e o p e r a t i n g s c r e w
T i g h t e n up t he i n s i d e
h e x a g o n s c r e w
l o c a t e d on t h e c r o s s s l i d e
b e h i n d t h e t o o l s l i d e b e s i d e t h e g r e a s e cup f i t t e d to t h e
l a t t e r .
TOOL S L IDE
A. T a k i n g up g u i d e w e a r
T i g h t e n up the
s c r e w
c o n t r o l l i n g t h e c a r r i a g e t a p e r e d g i b .
T h i s
s l o t t e d
h e a d
s c r e w
i s
v i s i b l e
on
t h e
l e f t
h a n d
a i d e
of the
t o o l s l i d e o p e r a t i n g
s c r e w
b e a r i n g .
B. T a k i n g up end p l a y on t h e o p e r a t i n g s c r e w
T i g h t e n up w i t h a s p e c i a l key t h e n u t l o c a t e d i n t h e c e n t r e of
h a n d w h e e l 21
F i g .
3 .
T h i s n u t
i s
l o c k e d
by an
i n s i d e h e x a g o n s c r e w
w hi c h m u s t f i r s t be
u n l o c k e d .
SWIVELLING OF TOOL S L I D E ON ITS BASE
U n l o c k n u t s 18 F i g . 2 ) and c a r r y o u t t h e a n g u l a r a d j u s t m e n t .
TAILSTOCK
A. O f f s e t
To
e f f e c t
t h e
o f f s e t t i g h t e n
s c r e w 3 1 F i g .
3 a f t e r
h a v i n g s l a c k e -
n e d o f f i t s c h e c k s c r e w or t h e r e v e r s e , a c c o r d i n g to t h e d i r e c t i o n
i 3 r e q u i r e d t o o f f s e t .
B. E j e c t i o n of c e n t r e
C a r r y o u t the
e j e c t i o n
of t he c o n t r e a t t h e end of t h e r e t u r n mo
v e m e n t
o f t h e s l e e v e .
CAUTION
A
c i r c u l a r
m a r k
on
t h e o l e e v e
s h o w s
w h e n
t h e
l a t t e r
i s o u t
t o the
maximum a m o u n t . A v o i d g o i n g p a s t
t h i s
m a r k , e s p e c i a l l y f o r b o r i n g
o r h e a v y
w o r k .
REMOVING CHUCK.
4
JAW FACE PLATE a . s . o .
1 . Run l a t h e at t h e s l o w e s t s p e e d o f t h e l o w e r s p e e d r a n g e .
2 . Cut
c u r r e n t
o f f at t h e m a i n s w i t c h .
3 . S l a c k e n
o f f
n o t c h e n d
k n u r l e d
r i n g by means of
t h e
r i n g
s p a n n e r
s u p p l i e d w i t h t h e l a t h e .
4*
G i v e
t h e
s p a n n e r
a
l i g h t
b l o w , i f n e c e s s a r y , to u n w e d g o the
c h u c k
fr o m t h e s p i n d l e
n o s e
t a p e r .
5 . C o n t i n u e
to
u n s c r e w ,
w h i l e s u p p o r t i n g t h e c h u c k , u n t i l you are
a b l e to t a k e i t o f f .
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20*
C a u t i o n
On r e - a s s e m b l i n g t a k e c a r e
t h a t
the f a c e
p l a t e
t a p e r e d b o r e ,
c h u c k , s . s . o . a a
w e l l
as th e s p i n d l e mose are
p e r f e c t l y
clean»
Make s u r e t h a t t h e y are o n l y s l i g h t l y o i l e d .
REPLACING
SPINDLE
BELTS
N o t e s
1.
N o t e t h a t
s u c h
r e p l a c e m e n t n o r m a l l y o n l y b e c o m e s n e c e s s a r y
a f t e r many y e a r s of s e r v i c e
2 . R e p l a c e
the b e l t s h a v i n g the f o l l o w i n g c h a r a c t e r i s t i c s
17 X 11 X 16ÜÜ mm i n s i d e d i m e n s i o n s
3 T h i s w o r k d o e s n ot p r e s e n t s e r i o u s d i f f i c u l t i e s - b u t m u s t
h o w e v e r
b e d o n e c a r e f u l l y .
REMOVING
THB
BELTS
1. T a k e e v e r y t h i n g o f f the s p i n d l e
n o s e .
3* R a i s e the m o t o r g e a r b o x
u n i t
t o i t s maximum by meat*s of a d j u s t e r 1
( s e e F i g . 8 C h a p t e r V I ) .
3 T a k e c o v e r F ( F i g
. 3
o f f the h e a d s t o c k .
4« Remove c o v e r D ( F i g
. 3 «
( s e e
F i g .
1 1
5. T a k e o f f the t h r e e
s c r e w s
16 f i x i n g p l a t e ^^
t
t h i s t h r o u g h the h o l e
p r o v i d e d i n n ut
20.
6. T a k e o f f the s c r e w s
f i x i n g
c o v e r 10 and t h e n - r e m o v e same.
7*
Remove s c r e w d s l e e v e 4,
a f t e r
h a v i n g l o o s e n e d s c r e w
5
and p a r k e d
i t s
p o s i t i o n w i t h
r e g a r d
t o
r i n g
6.
8. Remove b e a r i n g c o v e r 2 .
9«
Remove w a s h e r ó
key
5
a n d s c r e w
1.
1 0 .
-Remove
p a r t
16.
1 1 .
Remove
s c r e w
and
c h e c k s c r e w
1 5 -
1 2.
D r i v e out m a i n s p i n d l e ( t o w a r d s t a i l s t o c k ) and r e m o v e one a f t e r
t h e o t h e r the f o l l o w i n g
p a r t s
: b e a r i n g ?, p i n i o n 8 and f i n a l l y
t h e
s p i n d l e .
13» D i s e n g a g e the V - b e l t s f r o m the
p u l l e y
o f th e s p e e d g e a r b o x and.
d r a w t h e n up,.
4» P l a c e the t o o t h e d s l e e v e 13 t o th e
d e a d
p o i n t , i . e . w i t h p a r t
25
u p w a r d s
*
^15«
T a k e
o f f
s c r e w
23
and
r e m o v e
s h a f t
24
t h r o u g h
the
i n n e r
o f the
h e a d s t o c k .
16 . Remove
f o r k 22
by
s w i v e l l i n g
i t d o w n w a r d s t o d i s e n g a g e i t f r o m
p a r t 25«
17»
A f t e r
h a v i n g m a r k e d i t r e m o v e
p u l l e y
b e a r e r s l e e v e 12 f o r m i n g a
u n i t
w i t h
b e a r i n g s ,
p u l l e y ,
a . s . o . , cut o f f i t s h o u s i n g .
18 .
R e p l a c e
the V - b e l t s .
RE-ASSEMBLY
R e - a s s e m b l y
i s
c a r r i e d
out i n the r e v e r s e O r d e r o f the d i s m a n t l i n g .
H o w e v e r w a t c h the f o l l o w i n g s
1.
T a k e
c a r e
t h a t
s l e e v e
comes
b a c k
to
i t s
o r i g i n a l p o s i t i o n
m a r k e d
u n d e r 17 o f r e m o v i n g the
b e l t s .
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2. when e n g a g i n g the h e a d s p i n d l e i n p i n i o n
14,
t a k e
c a r e
t h a t
t h e key g r o o v e s c o r r e s p o nd e x a c t l y to the k e y s of the h e a d -
s p i n d l e * D u r i n g the e n g a g i n g of the h e a d s p i n d l e , k e e p p i n i o n
14
in the
d i r e c t i o n
in
o p p o s i t i o n w i t h
the
e n g a g i n g
d i r e c t i o n
o f the h e a d s p i n d l e . Do not f o r g e t t h a t when the
e n d
of the
h e a d s p i n d l e comes out on the r e a r s i d e of the c o u p l i n g , p i -
n i o n 6 m u s t
b e mounted on
i t .
ADJUSTMENT OF BRAKE ( s e e F i g . 12)
1. P l a c e h a n d l e s
1
and
11
( F i g . 3 ) a t the
d e a d
p o i n t .
2. P l a c e h a n d l e 12 ( F i g
. 3 ) i n
p o s i t i o n B.
3. Remove sud s t r a y .
4*
Remove p r o t e c t i o n g u a r d 1*
5 .
P u s h at f u l l s t r e n g t h on f o o t p e d a l 32 ( F i g . 3 ) a n d l e t i t come
b a c k i n p o s i t i o n l o c k e d ,
t h r u s t
s t o p 8 a g a i n s t
drum.9»
6. S l a c k e n
off c h e c k
n u t
1 3 *
7* U n s c r e w p a r t 11 w i t h
a few
t u r n s .
6.
S t a t e t h a t n o t w i t h s t a n d i n g
the
a d j u s t m e n t
of the
b r a k e ,
the
o u t -
p ut p u l l e y of s p e e d g e a r b o x 10 t u r n s
f r e e l y
by h a n d , t h e r e f o r e
r e m o v e c o v e r В ( F i g * 3 ) .
9* Ьоск a g a i n
c h e c k nut
13*
ADJUSTMENT
OF CLUTCH ( s e e f i g * 13).
1. F o o t p e d a l 32
( f i g . 3 )
mu s t be f u l l y u p w a r d s ( e n g a g e d p o s i t i o n ) .
2.
Remove the
sud s
t r a y and the
p r o t e c t i o n
g u a r d
4 .
3« U n l o c k tommy c h e c k nut
23*
4*
A d j u s t s c r e w
24
u n t i l
you get
a b o u t
I
/ 3 2
p l a y
b e t w e e n
t h i s
s c r e w
a n d p u s h e r 27«
5 . L o c k a g a i n
c h e c k
nut 23»
NOTE
Pleàse do not
c h a n g e
fo r any r e a s o n the a d j us t m e n t made i n o u r
w o r k s
on the b o t t o m s t o p s u p w a r d s and downwards of f o o t p e d a l 32
( f i g . 3 -
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22.
V I I L U B R I C A T I O N ( s e e
f i g .
U )
N O T E
Î
see
a l s o
L u b r i c a t i o n
C h a r t
a t th e end of t h i s
c h a p t e r .
A. CARTERS
1 .
HEADSTO
CK
P i l l t h r o u g h
p o i n t
17.
T a k e c a r e
t h a t
the
q u a n t i t y
of o i l
be
s u c h
t h a t
th e
s i g h t
g f t U f e 22
i s
a t
l e a s t h a l f
and a t m o a t t h r e e q u a r t e r
f u l l
of
o i l .
D r a i n a w a y t h r o u g h p o i n t 23 f o r th e f i r s t t i m e a f t e r th e f i r s t 500
h o u r s of w o r k and a f t e r w a r d s e v er y 2000 h o u r s a p p r o x i m a t e l y .
2 .
SPEED
GEAR
BOX
F i l l t h r o u g h
p o i n t 9
w h i c h
i s
a c c e s s i b l e on
th e
s p e e d g e a r b o x
a f-
t e r r e m o v a l
of c o v e r В ( F i g . 3 ) •
T a k e
c & r e
t h a t the q u a n t i t y of o i l be
s u c h
t h a t th e s i g h t g a u g e 24
i s a t l e a s t h a l f and a t m o s t t h r e e q u a r t e r f u l l of o i l .
D r a i n a w a y t h r o u g h
p o i n t
25 f o r th e f i r s t t i m e
a f t e r
the f i r s t 500
h o u r s of w o r k and a f t e r w a r d s e v er y
2000
h o u r s a p p r o x i m a t e l y .
3 .
APRON
F i l l t h r o u g h p o i n t 2.
T a k e
c a r e
t h a t
the
q u a n t i t y of
o i l
be s u c h t h a t
th e
s i g h t
g a u g e
20
i s a t l e a s t h a l f and a t m o s t t h r e e q u a r t e r
f u l l
of o i l .
D r a i n a w a y t h r o u g h
p o i n t
21 f o r the f i r s t t i m e
a f t e r
the f i r s t
5OO
h o u r s of w o r k and a f t e r w a r d s e v er y
2000
h o u r s a p p r o x i m a t e l y .
4.
FEED AND SCREWCUTTING BOX
F i l l
t h r o u g h p o i n t 7.
T a k e c a r e
t h a t
th e
q u a n t i t y
of o i l be s u c h
t h a t
th e
s i g h t
g a u g e 18
i s
a t
l e a s t h a l f
and a t m o s t t h r e e q u a r t e r
f u l l
of
o i l .
D r a i n a w a y t h r o u g h
p o i n t
19 f o r th e f i r s t t i m e
a f t e r
the f i r s t
5OO
h o u r s of
w o r k
and
a f t e r w a r d s
e v e r y
:
2 0 0 0
h o u r s
a p p r o x i m a t e l y .
5 .
BED AND SADDLE
F i l l t h r o u g h
p o i n t s 16 w e e k l y .
B. LUBRICATING CUPS
1.
REAR
BEARING OF LEADSCREW AND FEED ROD
C h e c k
d a i l y
th e f i l l i n g of
l u b r i c a t i n g
cup 11.
2 . SAFETY BOX OF ROD 32 ( F i g . 3 )
S p l a s h w e e k l y a few o i l a t
p o i n t 1.
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C.
L U B RI C A T I B G HOL KS
1.
SWING FRAME
D a i l y o i l p o i n t
5
w h i c h i s a c c e s s i b l e
by
o p e n i n g
d o o r
D ( F i g . } )
P o u r
a few d r o p s of o i l or put a l i t t l e g r e a s e
o n
f e a r « 6.
2. CROSS S L I D E
O i l
the e l i d e s d a i l y .
On c e
a week
o i l p o i n t s
15 and
13» i . e .
the
o p e r a t i n g s e r e w b e a
r i n g
and nut.
5-
TOOL
S L I D E
On c e a week ( o n c e a day when u o e d e x te n s i v e l y ) o i l th e s l e d e s of
t h e t o o l
s l i d e .
O n c e a week o i l p o i n ts 14 i e the b e a r i n g and the nut of the o p e
r a t i n g s c r e w .
4. T A I L S T O C K
Onc e a week ( o n c e a day when u s e d e x t e n s i v e l y ) o i l p o i n t 3 i . e .
t h e s l e e v e by d r a wi n g i t out up to
c i r c u l a r
g r o o v e m a r k e d on
м п е .
On c e a week ( o n c e a day when u s e d
e x t e n s i v e l y )
o i l p o i n t
12,
i . e .
t h e b e a r i n g of the o p e r a t i n g s c r e w .
O n c e
a week, a f t e r
h a v i n g t a k e n
out the c e n t r e , s q u i r t s o n * e i l
i n t o the s l e e v e to l u b r i c a t e the o p e r a t i n g s c r e w .
5« BED
O i l
d a i l y the l o w e r b e a r i n g s u r f a c e s
4
a g a i n s t w h i c h s l i d e
tn«
g i b s
and the t o o t h e d r o o k.
6. LEADSCREW
O i l l e a d s c r e w b e f o r e u n d e r t a k i n g s c r e w c u t t i n g of some i mp o r t a n c e .
7.
REVERSING
SWITCH
On c e a week p o u r a few d r o ps o i l or put a l i t t l e g r e a s e on p i n i o n s
6.
ffkgCTRQ
&QTOR
Onc e a y e a r l u b r i c a t e t h r o ug h p o i n t s 10 i f the m o t o r i s p r o v i d e d
w i t h o i l c up s .
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fcgjHUCATItlG ÜIIAKT
5 S w i n g
f r a m e s p i n d l e
0
6 S w i n g f r a m e g e a r s
11
L e a d s c r e w and f e e d rod
SJk
9
4 Bed
s l i d i n g
s u r f a c e s
t o o t h e d r a c k *
L ea d s c r e w ( i n c a s e of
u s e )
W e e k l y
(x) 3 T a i l G t o c k
b a r r e l
S.A.B.JO
e
( x )
T a i l s t o o k
o p e r a t i n g s c r e w
Ц
B a a r i n g
as»d
s mt
ef the
t o o l *
s l i d e o p e r a t i n g s c r e w »
*
(x)
13
b ut
of
c r o s s
s l i d e
o p e r a t i n g
s c r e w
M
*
( x ) 1 J B e a r i n g
e f c r o s s s l i d e o p e r a t i n g
s c r e w '
и
1
S a f e t y
BOX
*•
в
P i n i o n s
of
r e v e r s i n g
s w i t c h
**
( x ) d a i l y i n e a s e of e x t e n s i v e use
Watoh
l e v e l
22
l i e a d e t o o k
S.A.B.JO
» 24 Speed g e a r b o x S.A.H.4®
*
SO A p r o n
8.A.S.5Ö
N
18 F e e d and s c r e w c u t t i n g box 8.A.3.20
B.B. 1.
C l e a n s l i d i n g
s u r f a c e s
b e f o r e
g r e a s i n g
s e o e .
2. I f
n e c e s s a r y
r e p l a c e
o i l
recommended
by a
% t e i l t y
e f e i l
o o r r e e p o n d i n g as c l o s e l y as
p o s s i b l e
to the e i l i n 41o a t e d
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V I I I . HOW TO USE THE
THREAD
CHASING DIAL
•
LATHES
ЕЦШРЕР
WITH METRIC
LEADSCREW
( P IT C H
6
mm)
The
t h r e a d c h a s i n g d i a l
u s e d on
t h e s e
l a t h e s
i s v i s i b l e
( f i g .
1 5 A .
I t
i s o n l y
u s e d f o r
p i t c h e s
e x p r e s s e d
i n
mm.
USES - (See f i g .
1 5 A .
Two s e t t i n g s are p o s s i b l e ) .
S e t t i n g
A. P i n i o n H
(14
t e e t h ) meshes w i t h
l e a d s c r e w .
To cut the
f o l l o w i n g t h r e a ds
: 0 , 5 - 0,75 - 0,6 - 1 - 1,5 -
2 - 3 - 4 - 6
mm p r o c e e d as
f o l l o w s
:
T h r o w
b l a n k s c r e w c u t t i n g
m o t i o n
i n t o
g e a r .
S t o p the
l a t h e
a f t e r a few
t h r e a d s .
B r i n g one of the r e f e r e n c e m a r k s n u m b e r e d
7
i n
f r o n t
of the
f i x e d
r e f e r e n c e
m a r k .
C a r r y out the s c r e w c u t t i n g by
o p e n i n g
out b o t h h a l f n u t s of
t h e
l e a d s c r e w
at the end of the
p a s s .
B r i n g
the
s a d d l e
by h a n d to the
s c r e w c u t t i n g
s t a r t i n g
p o i n t .
E n g a g e
a g a i n
f o r a
f r e s h рааз
a t t h e moment when one of th e
r e f e r e n c e
m a r k s n u m b e r ed 7 p a s s e s
o p p o s i t e
the f i x e d
r e f e r e n c e
m a r k .
To out the
f o l l o w i n g t h r e a d s
:
0, 7 - 1,75 -
3
(
5
- 7 - 14
mm
p r o c e e d
i n the same way but
e n g a g e
for s c r e w c u t t i n g at
m o v i n g
r e f e r e n c e
m a r k 2
and t h e n
r e - e n g a g e
a t one of the
m o v i n g
r e f e -
r e n c e m a r k s 2.
Se t
t i n g
B. P i n i o n G
(15
t e e t h ) meshes w i t h
l e a d s c r e w .
To cut the
f o l l o w i n g t h r e a d s
: 0, 45 - 0, 9 - 2, 25 - 4» 5 -
9 -
1Ü mm, p r o c e e d i n the same way, but
e n g a g e
for
s c r e w c u t t i n g
a t the m o v i n g
r e f e r e n c e
m a r k 5 and
t h e n
r e - en g a g e at one of the
m o v i n g
r e f e r e n c e
m a r k s 5.
To cut the
f o l l o w i n g t h r e a ds
: 1,25 - 2 , 5 - 5 - 1 0 mm, p r o c e e d
i n
the зате way, but
e n g a g e
for s c r e w c u t t i n g at the
m o v i n g
r e f e r e n c e
3 and
t h e n
r e - en g a g e a t one of the m o v i n g
r e f e r e n c e
m a r k s 3.
КОТЕ - To t a k e the t h r e a d c h a s i n g d i a l out off the
a p r o n , d r a w
o n k n o b A.
C h a n g i n g o v e r
f r o m
one s e t t i n g to the
o t h e r
o c c u r s by
t u r n i n g
p i n i o n G-H.
When
r e p l a c i n g the t h r e a d c h a s i n g d i a l , t a k e c a r e t h a t
p i n
C i s
p e r f e c t l y
l o c a t e d i n the
h o u s i n g
of c a r t e r D.
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2 . LATHES
EQUIPPED
WITH WHITWÛRTH LEADSCREW ( P I T C H :
4
T . P . I . )
Th e t h r e a d c h a s i n g d i a l
u s e d
on t h e s e l a t h e s i s s h o w n
f i g .
15 «
I t
i s o n l y
u s e d
f o r p i t c h e s e x p r e s s i n n u m b e r
o f
t h r e a d s p e r
i n c h .
USES
E v e n p i t c h e s , e.g.
2 , 6,
a . s . o . t h r e a d s p e r i n c h ; may be
t a k e n i n any o f t h e e i g h t p o s i t i o n s o f t h e d i a l .
E x a m p l e
: a
p i t c h
o f
22 t h r e a d s p e r i n c h i s s t a r t e d
by
t h r o w i n g
t h e l e a d s c r e w i n t o g e a r
a t
t h e
moment
w h e n p o s i t i o n 1 p a s s e s
i n
f r o n t
o f
t h e f i x e d r e f e r e n o e m a r k . A f t e r w a r d s r e - e n g a g i n g
can
b e d o n e o p p o s i t e
an y one o f
t h e e i g h t p o s i t i o n s .
Odd p i t c h e s , e.g. 3» 5? a . s . o . t h r e a d s p e r i n c h , can o n l y be
t a k e n i n t h e
f o u r
9 0 °
p o s i t i o n s .
E x a m p l e : a p i t c h o f
11 t h r e a d s
per
i n c h i s s t a r t e d
by
t h r o w i n g
t h e l e a d s c r e w i n t o
g e a r a t
t h e
moment
w h e n p o s i t i o n 1 p a s s e s
i n
f r o n t
of
t h e f i x e d r e f e r e n c e m a r k . A f t e r w a r d s i t w i l l
be
p o s s i b l e
t o
r e - e n g a g e
o n l y i n p o s i t i o n s 1-2-3-4»
P i t c h e s and a
h a l f , i . e . 2 l / 2 - 3 l / 2
a . s . o .
t h r e a d s
pe r
i n c h , can
o n l y
be
t a k e n i n
two
o p p o s i t e p o s i t i o n s .
E x a m p l e : a p i t c h o f 4
1/2
t h r e a d s per i n c h i s s t a r t e d by e n g a g i n g
i n 1
o r 3« I t
w i l l
be p o s s i b l e t o
r e - e n g a g e
o n l y i n
1
o r 3»
P i t c h e s
and a q u a r t e r , i . e .
2
I
/ 4
- 3
1/4, a , s . o . t h r e a d s
p e r
i n c h , can
o n l y
be
t a k e n i n t h e i n i t i a l p o s i t i o n .
E x a m p l e : a p i t c h o f
2
I / 4 t h r e a d s p e r i n c h i s s t a r t e d be e n g a g i n g
i n 1 . I t w i l l
be
p o s s i b l e
t o r e - e n g a g e
o n l y i n 1 .
KOTS - P i t c h e s w h i c h a r e m u l t i p l e s o f
4
t h r e a d s per i n c h do n o t
r e q u i r e i t s u s e , i . e . a f t e r h a v i n g d i s e n g a g e d t h e
t o o l
and
b r o u g h t t h e s a d d l e
b a c k ,
i t i s p o s s i b l e
t o
t h r o w t h e
l e a d s c r e w i n t o g e a r
a t a n y
p o i n t , t h e t h r e a d w i l l
a l w a y s
b e t a k e n u a g a i n
c o r r e c t l y .
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F i G .
2
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FIG .13
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