beautypg.com

Mode of action of the programmed feed rate, 4 tcpm function (sof tw ar e o ption 2 ) – HEIDENHAIN iTNC 530 (340 49x-04) User Manual

Page 567

background image

HEIDENHAIN iTNC 530

567

9.4 TCPM FUNCTION (Sof

tw

ar

e

O

ption

2

)

Mode of action of the programmed feed rate

The TNC provides two functions for defining the mode of action of the
programmed feed rate:

F TCP

determines that the programmed feed rate is

interpreted as the actual relative velocity between the
tool point (tool center point) and the workpiece.

F CONT

determines that the programmed feed rate is

interpreted as the contouring feed rate of the axis
programmed in the respective NC block.

Example NC blocks:

...

13 FUNCTION TCPM F TCP ...

Feed rate refers to the tool point

14 FUNCTION TCPM F CONT ...

Feed rate is interpreted as the speed of the tool
along the contour

...