Heidenhain MANUALplus 4110 User Manual download pdf (Page 194)

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194 4 Cycle Programming

4.7 Drilling Cycles

Drilling radial:

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

 X2 end point of hole

Cycle run

1 Position spindle to "spindle angle C" (in Manual mode, machining

starts from the current spindle angle).

2 If defined, move at rapid traverse to

 Z1 (axial).

 X1 (radial).

3 First pass (pecking depth: P)—Drill with reduced feed rate, if

defined.

4 Retract by "B"—or to starting point of hole and advance again to last

pecking depth minus safety clearance.

5 Next pass (pecking depth: "last depth – IB" or JB).

6 Repeat 4 to 5 until end point Z2/X2 is reached.

7 Last pass—depending on "V":

 Drill at programmed feed rate to

End point Z2 (axial).

End point X2 (radial).

 Remain at end of hole for dwell time "E," if defined.

 Drill at programmed feed rate to position

Z2 – AB (axial).

X2 – AB (radial).

 Drill at reduced feed rate to

End point Z2 (axial).

End point X2 (radial).

8 If X1/Z1 has been defined, retract to

 Starting point of hole Z1 (axial).

 Starting point of hole X1 (radial).

If X1/Z1 has not not been defined, retract to

 Starting point Z (axial).

 Starting point X (radial).

 If "AB" and "V" are programmed, the feed rate is reduced

by 50% during both pre-drilling and through-boring.

 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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