Siemens SINUMERIK 840D sl Programming Manual page 524

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Table of Contents

Punching and nibbling

12.1 Activation, deactivation

Initiation of the first stroke

The instant at which the first stroke is initiated after activation of the function differs

depending on whether nibbling or punching is selected:

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, if you wish to initiate a stroke at the same position, you can program one of the

punching/nibbling axes with a traversing path of 0.

Machining with rotatable tools

Use the tangential control function if you wish to position rotatable tools at a tangent to the

programmed path.

– All strokes – even the one in the first block after activation – are executed at the block

– The first stroke after activation of the nibbling function is executed at the start of the

– Each of the following strokes is initiated at the block end.

Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0

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