Siemens SINUMERIK 840D sl Programming Manual page 297

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Without groove wall offset (transformation type 512):

The control transforms the programmed traversing movements of the cylinder coordinate

system to the traversing movements of the real machine axes:

• Rotary axis

• Infeed axis perpendicular to rotary axis

• Longitudinal axis parallel to rotary axis

The linear axes are positioned perpendicular to one another. The infeed axis cuts the rotary

With groove wall offset (transformation type 513):

Kinematics as above, but an additional longitudinal axis parallel to the peripheral direction

The linear axes are positioned perpendicular to one another.

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

Transformations

7.8 Kinematic transformation