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Thread milling, axial, 7 dr illing cy cles – HEIDENHAIN SW 54843x-03 User Manual

Page 315

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HEIDENHAIN MANUALplus 620

315

4.7 Dr

illing cy

cles

Thread milling, axial

Select drilling

Select thread milling, axial

The cycle mills a thread in existing holes.

Use threading tools for this cycle.

Danger of collision!

Be sure to consider the hole diameter and the diameter of
the milling cutter when programming approach radius R.

Cycle parameters
X, Z

Starting point

C

Spindle angle (C-axis position)—(default: current spindle
angle)

Z1

Starting point of thread (default: drilling starts from Z)

Z2

End point of thread

F1

Thread pitch (= feed rate)

J

Direction of thread

0: Right

1: Left

I

Thread diameter

R

Approach radius (default: milling diameter)/2)

H

Cutting direction

0: Up-cut milling

1: Climb milling

V

Milling method

0: The thread is milled in a 360-degree helix

1: The thread is milled in several helical paths (single-
point tool)

SCK

Safety clearance (siehe Seite 142)