bf20 cnc conversion - cnczone
TRANSCRIPT
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BF-20 SERIES MILL CNC CONVERSION
BF-20 SERIESMILLING MACHINECNC CONVERSIONDESIGN COPYRIGHT 2010 - ERIC WILDERSON
REVISION -
DISCLAIMER: PLEASE USE WITH CAUTION. CNC MILLING MACHINES AND OTHER HEAVYEQUIPMENT ARE DANGEROUS TO OPERATE. ERIC WILDERSON IS NOT LIABLE ACCIDENTSRESULTING FROM IN IMPROPER USE OF THIS DESIGN OR EQUIPMENT WHETHER IN WHOLE OR IN PART. CONSULT A PROFESSIONAL PRIOR TO USE. BF20-CNC-0000
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35.62
5.35
24.56
28.04
7.10
MAX 13.0MIN 2.0
MAX 10.43MIN 3.55
MAX TRAVEL ı # 9.44
MAX HEIGHT 36.00
MAX OFFSET 30.53
NOTES UNLESS OTHERWISE SPECIFIED:
BF20-CNC-0000
BF-20 SERIES MILL CNC CONVERSION
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REQUIRED PARTS LISTFIND NUMBER PART NUMBER DESCRIPTION QTY REQ VENDOR
1 92185A991 SHCS STAINLESS 10-32 X.750 24 MCMASTER CARR2 91292A137 SHCS STAINLESS M6 X 20MM 8 MCMASTER CARR3 95263A561 SHCS STEEL M6 X 25MM 2 MCMASTER CARR4 51203 BEARING THRUST 18MM ID 35MM OD 2 VXB BEARING5 7806K65 BEARING THRUST 9MM ID 20MM OD 3 MCMASTER CARR6 90710A140 NUT HEX STAINLESS M16 X 8MM THICK 2 MCMASTER CARR7 94205A260 NUT HEX NYLON LOCK STAINLESS M8 3 MCMASTER CARR8 91780A343 STANDOFF HEX 10-32 THREADED 2.00 LN 12 MCMASTER CARR9 96765A145 WASHER ROUND STAINLESS 11/32 ID 3/4 OD 3 MCMASTER CARR
10 A 5C 9-0808 SHAFT COUPLER RIGID .250 x .250 2 SDP-SI11 A 5C 9-1212 SHAFT COUPLER RIGID .375 x .375 1 SDP-SI12 KL23H2100-50-4B STEP MOTOR NEMA 23 570OZ-IN 3/8 IN SHAFT 1 KELING INC13 KL23H286-20-8B STEP MOTOR NEMA 23 495OZ-IN 1/4 IN SHAFT 2 KELING INC
FABRICATED PARTS LISTFIND NUMBER PART NUMBER DESCRIPTION QTY REQ NOTES
14 BF20-CNC-0010 X AXIS ADAPTER 2
15 BF20-CNC-0020 X AXIS BALL NUT ADAPTER 1 4
16 BF20-CNC-0030 X AXIS BALL SCREW 1
17 BF20-CNC-0040 Y AXIS ADAPTER 1
18 BF20-CNC-0050 Y AXIS BALL NUT ADAPTER 1
19 BF20-CNC-0060 Y AXIS BALL SCREW 1
20 BF20-CNC-0070 Z AXIS ADAPTER 1
21 BF20-CNC-0080 Z AXIS BALL NUT ADAPTER 1
22 BF20-CNC-0090 Z AXIS BALL SCREW 1
23 BF20-CNC-0100 X HOME/LIMIT SWITCH MOUNT 1 4 6
24 BF20-CNC-0110 Y HOME/LIMIT SWITCH MOUNT 1 4 6
25 BF20-CNC-0120 Z HOME/LIMIT SWITCH MOUNT 1 4 6
26 BF20-CNC-0130 X AXIS BALL SCREW MODIFICATION 1 6
FIND NUMBER TORQUE VALUE1 40 OZ-IN2 40 OZ-IN3 40 OZ-IN6 75 OZ-IN7 50 OZ-IN
TABLE I
TABLE II
NOTES UNLESS OTHERWISE SPECIFIED: 1. SEE TABLE I FOR REQUIRED HARDWARE AND VENDOR ITEMS PARTS LIST. 2. SEE TABLE II FOR FABRICATED ITEMS PARTS LIST. 3. FIND NUMBERS 12 & 13 (STEP MOTORS) MAY BE REPLACED WITH ANY NEMA 23 SIZE MOTOR BY THE USER. THIS MAY CHANGE THE SHAFT COUPLING AND STANDOFF LENGTHS REQUIRED TO MOUNT THE MOTORS TO THE ADAPTERS. 4 ITEM MAY NOT BE REQUIRED TO COMPLETE CONVERSION.
5. MCMASTER CARR PART NUMBERS ARE REFERENCED FROM CATALOG NUMBER 116. PART NUMBERS MAY REFERENCE BOXED QUANTITIES INSTEAD OF INDIVIDUAL PIECES. PLEASE VERIFY QUANTITIES PRIOR TO ORDERING. 6 INSTALLATION OF THESE PARTS REQUIRES MODIFICATION TO MILLING
MACHINE COMPONANTS. SEE SHEET XX FOR DETAILS. 7. FASTENER TORQUE SCHEDULE:
BF20-CNC-0000
BF-20 SERIES MILL CNC CONVERSION
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0.350SCALE
X AXIS ASSEMBLYMODIFICATIONS REQUIRED TO MACHINE TABLE SADDLE
SEE DRAWING BF20-MOD-0001 FOR DETAILS
X AXIS ASSEMBLY DETAIL SHOWN ON SHEET XXX
PARTS REQUIRED:2X BF20-CNC-0010
BF20-CNC-0020BF20-CNC-0030BF20-CNC-0130
Z AXIS ASSEMBLYZ AXIS ASSEMBLY DETAIL SHOWN ON SHEET XXX
PARTS REQUIRED:BF20-CNC-0070BF20-CNC-0080BF20-CNC-0090
Y AXIS ASSEMBLYY AXIS ASSEMBLY DETAIL SHOWN ON SHEET XXX
PARTS REQUIRED:BF20-CNC-0040BF20-CNC-0050BF20-CNC-0060
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SEE DETAIL A
3 2X
4X
REFERENCE
Y AXIS ASSEMBLY DETAILDETAIL A
SCALE 1.000
10
1
13
7
955
19
XX 18
17
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.75 STOCK
7.100
1.35 1.55
.800
.375 THRU
.800
.280
3.550
.9284 PLACES
.928 4 PLACES
4X .250.210 THRU
.375
2X .890
2.362 2.362
2X 60
1.97
1.181
2.362
2X .438 .250 FARSIDE THRU.266
.280
R TYP..19
2.73
DRAWING NOTES UNLESS OTHERWISE STATED: 1. MATERIAL: ALUMINUM 6061-T6 OR -T651 2. FINISH: HARD ANODIZE, TYPE III, COLOR: NATURAL GREY.
X AXIS ADAPTER
BF20-CNC-0010 1
A-ASECTION
ISOMETRIC VIEWFOR REFERENCE ONLY
SCALE 0.750
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748mm
12mm
13mm
17.8mm
717mm
17.8mm
8.9mm
8.9mm
6.35mm
DRAWING NOTES UNLESS OTHERWISE STATED: 1. MAKE FROM RM1605 BALL SCREW STOCK
X BALL SCREW
INITIAL RELEASE
BF20-CNC-0030
RM1605 BALL SCREWSCALE 0.800
M8 THREAD1.25mm PITCH
M8 THREAD 1.25mm PITCH
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AA
.50
1.50
2.362
.800
2X .928
2X .928
2.500
1.250
2X .928
.984.984
2X .928
1.42
.71
4X .250.210 THRU
.375
.375 THRU
.800
.28
.98
1.50
2X .438 .250 FARSIDE THRU.266
4X R.25
DRAWING NOTES UNLESS OTHERWISE STATED: 1. MATERIAL: ALUMINUM 6061-T6 OR -T651 2. FINISH: HARD ANODIZE, TYPE III, COLOR: NATURAL GREY.
BF 20 ADAPTER, Y AXIS
BF20-CNC-0040
2.000SCALE
A-ASECTION
ISOMETRIC VIEWFOR REFERENCE ONLY
SCALE 1.000
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.375 STOCK
2.189
2X .258
1.500
.787
2X 1.316
2X .221
.750
2X 1.279
4X TAP -32 UNF-2B THRU.190
THRU1.13
DRAWING NOTES UNLESS OTHERWISE SPECIFIED: 1. MATERIAL: ALUMINUM 6061-T6 OR -T651 2. FINISH: HARD ANODIZE, TYPE III, COLOR: NATURAL GREY.
ADAPTERY AXIS BALLNUT
BF20-CNC-0050
ISOMETRIC VIEWFOR REFERENCE ONLY
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350mm
18mm
12.7mm
12mm
9mm
6.35mm
Y AXIS BALLSCREW
BF20-CNC-0060
DRAWING NOTES UNLESS OTHERWISE STATED: 1. MAKE FROM RM1605 BALL SCREW STOCK
RM1605 BALL SCREWSCALE 1.000
M8 THREAD1.25mm PITCH
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4.72
2.36
1.890 1.890
1.575 1.575
.51
3.15
2X .394
2X 135
4.09
2X 2.756
1.575
.928 4 PLACES.75 STOCK
4X .25.210 THRU
.375
.928 4 PLACES
4X .375.348 THRU
.563
.500.6875 THRU1.400
R TYP..19
1.575 REF
2.362 REF
DRAWING NOTES UNLESS OTHERWISE STATED: 1. MATERIAL: ALUMINUM 6061-T6 OR -T651 2. FINISH: HARD ANODIZE, TYPE III, COLOR: NATURAL GREY.
BF20-CNC-0070
BF 20 ADAPTER,Z AXIS
ISOMETRIC VIEWFOR REFERENCE ONLY
SCALE 0.750
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B.C.3.701
2X R1.154X 45
THRU1.45
1.375
.688
2.200
.875
1.00 STOCK
2X R.19
.375
1.000
2X .500
2X TAP -24 UNF-2B .500.3125
6X TAP -32 UNF-2B .375.190
ISOMETRIC VIEWFOR REFERENCE ONLY
ADAPTERZ AXIS BALL NUT
BF20-CNC-0080
DRAWING NOTES UNLESS OTHERWISE SPECIFIED: 1. MATERIAL: ALUMINUM 6061-T6 OR -T651 2. FINISH: ANODIZE, TYPE II, COLOR: BLACK
2.000SCALE
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550mm
12mm
20mm
30mm
16.9mm
9.53mm
Z BALL SCREW
DRAWING NOTES UNLESS OTHERWISE STATED: 1. MAKE FROM RM2005 BALL SCREW STOCK
BF20-CNC-0090
RM2005 BALLSCREWSCALE 1.000
M16 THREAD2.00mm PITCH
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(40 mm REF)
( mm REF)48
14mm
15mm
7.5mm
2X 10.5 mm
(42 mm REF)
(10 mm REF)
( 28mm REF)
MODIFICATIONX AXIS BALL NUT
BF20-CNC-0130
DRAWING NOTES UNLESS OTHERWISE SPECIFIED: 1. THE PART SHALL BE MADE FROM THE RM1605 SERIES BALL NUT. 2. DIMENSIONS MARKED IN PARENTHESIS (REF) ARE A REFERENCE FROM THE PART BEING MODIFIED. THEY SHALL BE USED FOR SETUP AND INSPECTION ONLY. 3. CARE SHOULD BE TAKEN WHEN REMOVING MATERIAL FROM THE BALL NUT ASSEMBLY. MILLING OPERATIONS CAN CAUSE THE TEMPERATURE OF THE PART TO RISE, DAMAGING PLASTIC/RUBBER BEARING SEALS.
4.000SCALE
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(7.09 REF)
1.25
1.38
.50
.28
.03
(3.54 REF)CENTERLINE
.25
.63
2X R.188
(7.09 REF)
NOTES UNLESS OTHERWISE SPECIFIED: 1. DIMENSIONS SHOWN AS (X.XX) ARE FOR REFERENCE ONLY AND SHALL ONLY BE USED FOR LOCATING CENTERLINE AND ORIENTAION OF THE SADDLE. 2. THIS DRAWING OUTLINES MODIFICATIONS REQUIRED TO THE BF-20 SERIES MILLING MACHINE Y AXIS SADDLE.
X/Y AXIS SADDLEMODIFICATIONS
BF20-MOD-0001
A-ASECTION
ISOMETRIC VIEWFOR REFERENCE ONLY
SCALE 0.750