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1 1 cont our -based t u rn ing cy cles – HEIDENHAIN MANUALplus 4110 User Manual

Page 312

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312

6 DIN Programming

6.1

1

Cont

our

-Based T

u

rn

ing Cy

cles

Note on the execution of the cycle:

„

MANUALplus automatically determines the cutting and infeed
directions from the current tool position relative to the starting point
/ end point of the contour area.

„

Tool position at the end of the cycle:

„

G817: Cycle starting point Z; last retraction diameter X

„

G818: Cycle starting point

Example: G817, G818

%817.nc

[G817, G818]

N1 T3 G95 F0.25 G96 S200 M3

N2 G0 X120 Z2

N3 G818 P5 H2 I1 K0.3

N4 G0 X60 Z2

N5 G1 Z-15

N6 G1 X82 B2

N7 G1 X90 Zi-15

N8 G80

N9 G0 X120 Z-28

N10 G817 X90 P4 H0 I1 K0.3

N11 G0 X90 Z-28

N12 G1 Z-45 B-3

N13 G1 X102 B2

N14 G1 X120 A30

N15 G80

END

„

Descending contour elements are not machined.

„

The tool must be located outside the defined contour
area.

„

Cutting radius compensation: Active.

„

G57/G58 oversizes are taken into account if I/K is not
programmed. After the cycle has been executed, the
oversizes are canceled.

„

Safety clearance after each step: Parameter "Current
parameters—Machining—Safety distances."