4. Additional data for operation
VMCTOPES8D51
Main operation and MDI command
4 – 2
4.2 Main operation and MDI command
1) Tool change motion
(1) CAM ATC
1. It is not easy to distinguish each action of upper step 5 because of its continuous motion.
2. Please cancel the canned cycle and tool compensation, etc. before the tool change.
3. A interference can be occured between the tool and the workpiece, if all axes
move simultaneously in rapid traverse for tool change.
Step
Operation
Machine reaction
MDI command
1
Command the tool
number to be loaded
into spindle
· Tool magazine rotation
· Equivalent tool pot stops
in waiting pot position
– Txx ;
2
Command fixed point
return of Z-axis
· Fixed point return of Z axis
(ATC change position)
– G75. Z0 ;
3
Command of spindle
orientation
· Spindle orientation stop
– ATC POS2 ;
4
Command ready for
tool chagne
· Waiting pot moves to spindle side
– M33 ;
5
Command tool change
· (Coolant off)
· Changer arm moves to spindle
· Grip the both tools in pot and spindle
· Spindle tool unclamp
· Spindle taper air blow ON
· Changer arm down
· Changer arm 180° rotation
· Changer arm up
· Spindle tool clamp
· Spindle taper air blow OFF
· Changer arm return to home
position
· Waiting pot moves to magazine side
· (Coolant ON)
– M06 ;
6
Command feed
· Each axis moves to commanded position
