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Finishing cycle run, Please note while programming – HEIDENHAIN TNC 640 (34059x-04) Cycle programming User Manual

Page 333

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TURN SHOULDER FACE EXTENDED

(Cycle 822, DIN/ISO: G822)

13.12

13

TNC 640 | User's Manual Cycle Programming | 3/2014

333

Finishing cycle run

1 The TNC runs the paraxial infeed motion at rapid traverse.

2 The TNC finishes the finished part contour (contour starting

point to contour end point) at the defined feed rate

Q505.

3 The TNC returns the tool to set-up clearance at the defined feed

rate.

4 The TNC positions the tool back at rapid traverse to the cycle

starting point.

Please note while programming:

Program a positioning block to the starting position
with radius compensation

R0 before the cycle call.

The tool position at cycle call (cycle starting point)
affects the area to be machined.

Also refer to the fundamentals of turning cycles (see
page 307).