Chucking Operation On Spindle Rotating - Siemens PUMA V400/M Operation Manual

7.6

Chucking operation on spindle rotating

In case that spindle is rotating, basically chuck cannot be operated. But for the special
cases, using following M-code, chuck can be operated during spindle rotation in automatic
operation only.
- M31 ; Spindle interlock bypass M-code
The operation of M-code listed above is valid only in automatic mode shown in right side.
It can be used as follows.
(1) Clamp corresponding chuck.
(2) Command corresponding M-code according to the chuck that want to be operated
during spindle rotation.
(3) Unclamp corresponding chuck.
(4) In case of commanding corresponding spindle rotation, spindle will rotate normally even
if the chuck is unclamped
(5) And then this status will be released by chuck clamp command. After this, chuck cannot
be operated during spindle rotation.
In addition, above status will be released in cases as follows, after this, forward-
ing/reversing command are impossible during spindle rotation.
- M02, M30 is commanded.
- In case of pressing NC RESET button on the MCP.
56 | Part 2