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Thread milling, axial, 7 dr illing cy cles – HEIDENHAIN MANUALplus 4110 User Manual

Page 197

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HEIDENHAIN MANUALplus 4110

197

4.7 Dr

illing Cy

cles

Thread milling, axial

Call the drilling menu.

Select the "Thread milling, axial" cycle.

The cycle mills a thread in existing holes.

Cycle parameters

X, Z starting point

C spindle angle

(C-axis position)—default: Current spindle angle

Z1 starting point of thread

—default: Starting point Z

Z2 end point of thread

I diameter of thread

R approaching radius

—default: (I—milling diameter)/2

F1 thread pitch

J direction of thread

—default: 0

„

J=0: Right-hand

„

J=1: Left-hand

H cutting direction

—default: 0

„

H=0: Up-cut milling

„

H=1: Climb milling

SR return speed

for enabling the tap to retract rapidly—default:

Same spindle speed as for tapping

T tool number

S spindle/cutting speed

for the driven tool

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 "approaching
radius R."