Download - Computers in Measurements
-
8/9/2019 Computers in Measurements
1/14
computers in measurementscomputers in measurements
madhusudhana k. pgte-0212
-
8/9/2019 Computers in Measurements
2/14
Nothing stays the same forever, nor
should it - Scott Paton
computers in measurements
Revolutionized a once labor-intensive,time-consuming process
Products can now be measured automatically as they are manufactured
21st century will be remembered as thecentury of quality -Joseph M. Juran
-
8/9/2019 Computers in Measurements
3/14
Advantag es:
computers in measurements
Gui danc e to o per ator
Re d u ce d ins pe ct ion t im e
I mm e d iat e f inal r e s u ltReje ct e d re ad ings can be repe at e d
w i tho u t d ist u rb ing s e t u p
Hum an e rrors ar e e limi nat e dCal ib rat ion t im e is re d u ce d
Ope rator n ee d not be highly q
ual
ifie d
-
8/9/2019 Computers in Measurements
4/14
L imi tat ions :computers in measurements
D ata e ntry e rrorsStr ict control ov e r u na u thor is e d
m od ifi cat ions
Proc e d u re f or load ing p rogra m f ro m so u rc e n ee ds to be f ollo we d
D iffi cu lt to locat e so u rc e o f p ro b le m
-
8/9/2019 Computers in Measurements
5/14
St ep s in p rod u c ing so f t w ar ecomputers in measurements
Pr e c is e and d e ta i le d d e f n o f g e o m e tr ic f or m
Spe c ifi cat ion o f th e m e as u re m e nt
p roc e d u reMath e m at ical m od e lling
I m p le m e ntat ion, val idat ion and d iss e mi nat ion o f th e so f t w ar e
D e s ign o f m ath e m at ical algor i th m
-
8/9/2019 Computers in Measurements
6/14
So f t w ar e Control Hie rarchycomputers in measurements
-
8/9/2019 Computers in Measurements
7/14
App licat ionscomputers in measurements
1. Au to m at ic V al ve Se at G a ugeMe as u r in g cycl e is on e
co mp/ Se c
Ou ts id e D ia me t e rs Th ickn e ss
L e ad Cha m f e r D ep thI nn e r Cha m f e r p re s e nc e
Th e G a uge d is p lays totals f or g ood and reje ct co mp on e nts
-
8/9/2019 Computers in Measurements
8/14
App licat ionscomputers in measurements
2.Op t ical s h a f t me as ur in g s y st em
Conto ur , d ia me t er s, le n g t h , r o u ndn e ss, conc e nt r ic i t y , con e s, an g le s, f latn e ss, p a r all e lis m , e cc e nt r ic it y , st r ok e , t hre ads, and m o re , in s ubm icr on d e ta il can be re co r d e d d ur in g a s in g le p ass o f t heo p t ical me as ur in ghe ad .
-
8/9/2019 Computers in Measurements
9/14
App licat ionscomputers in measurements
2.Op t ical s h a f t me as ur in g s y st em
N on-contact m e thod o f ins pe ct ing p arts
For m , d im e ns ional, and p os i t ion tol e ranc e s o f rotat ional p arts in th e hor izontal p lan e
Can ins pe ct u p to 150 d iff e re nt f e at u re s in le ss than a mi n u t e.
ca m e ra u n i t w i th CCD p hoto d iod elin e s
-
8/9/2019 Computers in Measurements
10/14
App licat ionscomputers in measurements
3 .Ron df o rm 200 ARo u n d n e ss, Conc e nt r ic i ty,
Ecc e nt r ic ity, Coax ial i ty, Flatn e ss, Sq u a re n e ss, Ru no u t
-
8/9/2019 Computers in Measurements
11/14
App licat ionscomputers in measurements
4 .Fed che ck G a ugin g C o mpu t er s
G a uge o per at ionS tat ist ical pr oc e ss cont r ol (SPC)D ata m ana geme nt sol u t ionsC los ed- loo p m ac h in e tool cont r olNe two rk in g
-
8/9/2019 Computers in Measurements
12/14
App licat ionscomputers in measurements
5. X-ref in I nt erp le x
M aterial coated Thickness of coated material
Band w idth of reflected laser beam
-
8/9/2019 Computers in Measurements
13/14
App licat ionscomputers in measurements
6 .M
ac hin e V
is
ion Sy st em
-
8/9/2019 Computers in Measurements
14/14