Path Milling (Cycle72) - Siemens SINUMERIK 828D Operating Manual

Computerized numerical controller for machine tools

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Table of Contents

Programming technology functions (cycles)

9.5 Contour milling

Contour selection

Contour name

Labels in the subpro-

Path milling (CYCLE72)

You can machine open or closed contours with the "Path milling" cycle. Before you can mill

the contour, you must enter the contour. Machining can be performed in either direction, i.e.

in the direction of the programmed contour or in the opposite direction.

For machining in the opposite direction, contours must not consist of more than 170 contour

elements (incl. chamfers/radii). Special aspects (except for feed values) of free G code input

are ignored during path milling in the opposite direction to the contour.

Clamping the spindle

For ShopTurn, the "Clamp spindle" function can be set up by the machine manufacturer.

Sinumerik 840d sl