Heidenhain MANUALplus 4110 User Manual download pdf (Page 195)

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HEIDENHAIN MANUALplus 4110 195

4.7 Drilling Cycles

Tapping, axial/radial

Call the drilling menu.

Select the "Tapping, axial" cycle.

Select the "Tapping, radial" cycle.

With this cycle, you can tap a thread on the face / lateral surface of a

workpiece.

Meaning of "retraction length L": Use this parameter for floating tap

holders. The cycle calculates a new nominal pitch on the basis of the

thread depth, the programmed pitch, and the "retract length." The

nominal pitch is somewhat smaller than the pitch of the tap. During

tapping, the drill is pulled away from the chuck by the "retraction

length." With this method you can achieve higher service life from the

taps.

Cycle parameters

 X, Z starting point

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

 F1 thread pitch (= feed rate)—default: Feed rate from tool

definition

 B run-in length (default: 2 * thread pitch F1) to reach the

programmed spindle speed and feed rate

 SR return speed (default: Same spindle speed as for tapping) for

enabling the tap to retract rapidly

 Retraction length L (default: 0) when using floating tap holders

 T tool number

 S spindle speed / cutting speed

Drilling axial:

 Z1 starting point of hole—default: Drilling starts from position Z

 Z2 end point of hole

Drilling radial:

 X1 starting point of hole—default: Drilling starts from position X

 X2 end point of hole

MANUALplus uses the tool parameter "driven tool" to

determine whether the programmed spindle speed and

feed rate apply to the spindle or the driven tool.

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Heidenhain MANUALplus 4110 User Manual Page 195

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