Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Manual de usuario Pagina 500

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Dresser/Wheel Radius Compensation
Chapter 15
15-12
Figure 15.11
Grinding Wheel Motion Across Part to Establish Compensation Direction
Ifcontrollingthiscorner
G42;
Compensation
right
G41;
Compensation
left
Typical SurfaceGrinderRadius Compensation
12091-I
Program the dresser/wheel radius compensation function with the
following format:
G41(or G42)X ___ Z ___ T ___ ;
Where: Is :
G41(or G42)
dresser/wheel radius compensationdirection,G 41=left,G42=right
X, Z
end-pointof entrymoveintodresser/wheelradius compensation.
Programan entrymoveonlyon axesin the currently activeplane.
Axismotionmusttake placeoneachaxis in thecurrentlyactiveplane
in orderfor dresser/wheelradius compensation tobe active.
T
usedtoselectthe offsetnumbersand pull data from:
theradiustable forthe dresser/wheel radius and orientation (first
twodigits)
thewheel geometrytable forthewheel length offsets(secondtwo
digits)
Seepage10-36for information on programmingaT word. The T
word is optionalin theG41 orG42 blocks. The T word can also be
programmed in any previousorfollowingprogramblock.
15.2.2
Compensation Block Format
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