Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Manual de usuario Pagina 578

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Cylindrical Grinding Fixed Cycles
Chapter 17
17-4
Figure 17.2
Typical Axis Configuration
Cylindricalgrinding axis
configuration assumed
in thismanual.
X
Z
+
--
--
Part
12052-I
Angled-Wheel Mode
Angled-wheel grinders (grinders that have a wheel axis that is not
perpendicular to Z) have three operating modes. They are as follows:
Angled-WheelGrindersin
this mode:
Affectto Cylindrical Grinding Cycles:
G15 mode All cylindrical grinding cycles are available in this mode. We do
notrecommendangled-wheelgrinder programmersattemptto
programcyclesin G15 mode. G15 modeincreasesprogramming
difficultybecauseofthe complexgeometrythatmustbeperformed
bytheprogramerto compensate forX and Z motioncreated by
movingthe W axis.
The activeprogrammedplane (G17,G18,orG19) is used in this
mode.
G16.3mode All cylindrical grinding cyclesare available in this mode. This is
therecommended mode for operationofcylindrical cycles on an
angled wheel grinder. The controlperformsall calculationsto
transferX and Z axis motionsintoWZ motions.
The controlis forcedinto theZXplaneforall programming in this
mode. The currentlyactiveselectedplane,and programming
changesto theactiveplaneareignored until theG16.3mode is
canceled.
G16.4mode Only the G86, G87, G88, and G89 cycles (and their pre-dress
counterparts) are available in theG16.4mode.
The controlis forcedinto theZXplaneforall programming in this
mode. The currentlyactiveselectedplane,and programming
changesto theactiveplaneareignored until theG16.4mode is
canceled.
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