
Cylindrical Grinding Fixed Cycles
Chapter 17
17-12
The format for the G82 cycle is as follows:
G18;
G82X__I__Z__K__Q__L__F__E__P__D__;
Table 17.B summarizes the G82 cycle parameters. For a detailed
description of these parameters, see the text below and page 17-9.
Table 17.B
G82 Cycle Parameters
Parameter: Definition: Default Value: Possible Value:
Planeaxis1
1
plunge depth valuemustbeprogrammed abs.or inc.
Planeaxis1 integrand
1
plunge pickat primaryreversalpoint value mustbe programmed inc.only
Planeaxis2
2
reciprocationprimaryreversalpoint from last cycle programmed abs. or inc.
Planeaxis2 integrand
3
reciprocationsecondaryreversal point startpoint abs.or inc.
Q
3
plunge pickat secondaryreversalpoint plunge pick atprimaryreversal inc.only
L
3
numberof spark-outpasses zero zeroto 999
F
2
plunge pickfeedrate lastfeedrateprogrammed valid F word
E
3
reciprocationfeedrate from last cycle or last F valid F word
P
3 forG82 2 forG82.1
dressprogramnumber from last cycle programmed valid programnumber
D
3
numberof auto-dressexecutions zero zeroto 999
1
mustbe programmed
2
musthave been programmed i n some previousblock if omitted
3
optional
Figure 17.3 shows the axis motions that make up the G82 incremental face
grinding cycle. This figure assumes that the ZX plane (G18) is active.
17.4
G82 or G82.1 Incremental
Face Grinding (Axis 1)
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