beautypg.com

6 thr ead and under c ut cy cles – HEIDENHAIN MANUALplus 4110 User Manual

Page 171

background image

HEIDENHAIN MANUALplus 4110

171

4.6 Thr

ead and Under

c

ut Cy

cles

Cycle run

1

Calculate the proportioning of cuts.

2

Move to thread starting point X1, Z1.

3

Move to end point Z2 at programmed feed rate, taking the "run-out
angle WE" into account.

4

Return on paraxial path and approach for next thread groove.

5

Repeat 3 and 4 for all thread grooves.

6

Approach for next pass, taking the reduced cutting depth and the
"feed angle A" into account.

7

Repeat 3 to 6 until "no. threads D" and "depth U" are reached.