94 | Part 3
■ M88 C-AXIS LOW CLAMP
Function
Clamp C-axis with low pressure.
Condition of Command
Command is valid when milling tool spindle is selected. If this command is used with
C-axis feed in same block, it will work after axis feed is finished.
In the clamp state with low pressure, manual reference point return and jog feeding of
C-axis is impossible. And when main spindle or sub spindle is changeover, the clamp
state with low pressure will become unclamp state automatically.
When command is done as C-axis is clamped with low pressure, C-axis can be
movable. However, thread cutting cycle cannot be used in clamp state with low
pressure. C-axis feed is possible in handle mode only.
■ M89 C-AXIS HIGH CLAMP
Function
Clamp C-axis with high pressure.
Condition of Command
Command is valid when milling tool spindle is selected. If this command is used with
C-axis feed in same block, it will work after axis feed is finished.
In the clamp state with high pressure, manual reference point return and jog feeding
of C-axis is impossible. And when main spindle or sub spindle is changeover, the
clamp state with high pressure will become unclamp state automatically.
When command is done as C-axis is clamped with high pressure, C-axis cannot be
movable.
However, thread cutting cycle can be used in clamp state with high pressure.
■ M90 C-AXIS UNCLAMP
Function
Unclamp C-axis.
Condition of Command
Command is valid when milling tool spindle is selected.
Unclamp C-axis which is clamped by M88, M89.
■ M91 SPARE M-CODE EXTERNAL M91 COMMAND
■ M92 SPARE M-CODE EXTERNAL M92 COMMAND
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