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14 oversizes, Switch off oversize g50, Axis-parallel oversize g57 – HEIDENHAIN SW 54843x-03 DIN Programming User Manual

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HEIDENHAIN MANUALplus 620, CNC PILOT 640

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4.14 Ov

ersiz

e

s

4.14 Oversizes

Switch off oversize G50

G50 switches off oversizes defined with G52-Geo for the following
cycle. Program G50 before the cycle.

To ensure compatibility, the G52 code is also supported for switching
off the oversizes. HEIDENHAIN recommends using G50 for new NC
programs.

Axis-parallel oversize G57

G57 defines different oversizes for X and Z. Program G57 before the
cycle call.

G57 is effective in the following cycles. After cycle run, the oversizes
are

deleted: G810, G820, G830, G835, G860, G869, G890

not deleted: G81, G82, G83

Beispiel: G57

. . .

N1 T3 G95 F0.25 G96 S200 M3

N2 G0 X120 Z2

N3 G57 X0.2 Z0.5 [paraxial oversize]

N4 G810 NS7 NE12 P5

. . .

Parameters
X

Oversize X (diameter value)—only positive values

Z

Oversize Z—only positive values

If the oversizes are programmed with G57 and in the
cycle itself, the cycle oversizes apply.

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