Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Uživatelský manuál Strana 399

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AxisMotion
Chapter 12
12-27
An error is generated if an attempt is made to change planes between
blocks that are chamfer or corner radius blocks
,C and ,R must be programmed in blocks that contain axis motion in the
current plane. If they are programmed in a block that does not contain
axis motion in the currently active plane, the control generates an error
,C and ,R cannot be programmed in a block that contains any of the
following:
any fixed cycle G--codes
any Dwell commands
thread grinding blocks
programmable zone G --codes
Your system installer determines in AMP the resolution of the ,C-- and
,R--words for both inch and metric programming. Refer to the
documentation prepared by your system installer for details
This section covers the following topics:
Topic: On page:
Automatic MachineHoming (G28) 12-28
Automatic Returnto MachineHome(G28) 12-29
Automatic ReturnF rom MachineHome(G29) 12-30
MachineHome ReturnCheck (G27) 12-32
Moveto Alternate Home (G30) 12-33
Machine tools have a fixed machine home position used to establish the
coordinate systems. The control offers two different methods for homing a
machine after power-up:
Manual machine home operation that uses switches on the MTB panel
provided solely for this purpose. Manual homing is described in detail
in chapter 4
Automatic machine home operation that uses a programmed machine
home code
12.4
Automatic Motion To and
From Machine Home
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