HEIDENHAIN CNC Pilot 4290 - Manual (Page 131)

HEIDENHAIN CNC PILOT 4290 119
Contour-parallel oversize (equidistant) G58
A negative oversize is permitted with G890. Program G58 before the
cycle call.
G58 is effective in the following cycles. After cycle run, the oversizes
are
■ deleted: G810, G820, G830, G835, G860, G869, G890
■ not deleted: G83
Parameters
P:
Oversize
If an oversize is programmed with G58 and in the cycle,
the oversize from the cycle is used.
G147 replaces safety clearance set in the
machining parameters (machining
parameters 2, ...) or that set in G47.
Switch off oversize G52
G52 has the same effect as G50! – Use G50.
Parameters
P:
Oversize - is not evaluated
Safety clearance G147
Safety clearance for the milling cycles G840...G846 and drilling cycles
G71, G72, G74.
Parameters
I:
Safety clearance to the milling plane (only for milling operations)
K: Safety clearance in approach direction (feed)
4.6 Machining Commands
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
Parameters
X, Z: Oversize (X diameter value) – only positive values
If the oversizes are programmed with G57 and in the cycle
itself, the cycle oversizes apply.