Siemens SINUMERIK 840D sl Programming Manual page 752

Punching and nibbling
12.1 Activation, deactivation
Punching and nibbling on the spot
A stroke is initiated only if the block contains traversing information for the punching or
nibbling axes (axes in active plane).
However, to initiate a stroke at the same position, one of the punching/nibbling axes can be
programmed with a traversing path of 0.
Machining with rotatable tools
Note
Use the tangential control function if you wish to position rotatable tools at a tangent to the
programmed path.
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Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
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