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6 units—pr e dr illing in c axis – HEIDENHAIN SW 548328-05 DIN Programming User Manual

Page 109

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HEIDENHAIN MANUALplus 620, CNC PILOT 620/640

109

2.6 Units—Pr

e

dr

illing in C axis

"Predrill, contour mill, figures on lateral surface"
unit

The unit determines the hole position and machines the hole. The

subsequent milling cycle obtains the hole position from the reference

stored in NF.
Unit name: DRILL_MAN_KON_C / Cycles: G840 A1 (see page 349);

G71 (see page 315)

Access to the technology database:

Machining operation: Drilling

Affected parameters: F, S

Figure form
Q

Type of figure

0: Full circle

1: Linear slot

2: Circular slot

3: Triangle

4: Rectangle, square

5: Polygon

QN

Number of polygon corners—only with Q=5 (polygon)

Z1

Figure center

C1

Angle of figure center

CY

Figure center of unrolled lateral surface

X1

Milling top edge

P2

Depth of figure

L

Edge length / width across flats

L>0: Edge length

L<0: Width across flats (inside diameter) for polygon

B

Rectangle width

RE

Rounding radius

A

Angle to Z axis

Q2

Rotational direction of slot—only if Q=2 (circular slot)

cw: In clockwise direction

ccw: In counterclockwise direction

W

Angle of slot end point—only if Q=2 (circular slot)

Program only the parameters relevant to the selected

figure type.