Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Manual de usuario Pagina 564

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Surface Grinding Fixed Cycles
Chapter 16
16-14
The format for the G82 cycle is as follows:
G17(XY);
G82Z__K__X__I__Q__L__F__E__P__D__;
or
G82Z__K__Y__J__Q__L__F__E__P__D__;
G18(ZX);
G82Y__J__Z__K__Q__L__F__E__P__D__;
or
G82Y__J__X__I__Q__L__F__E__P__D__;
G19(YZ);
G82X__I__Y__J__Q__L__F__E__P__D__;
or
G82X__I__Z__K__Q__L__F__E__P__D__;
Table 16.B summarizes the G82 cycle parameters. For a detailed
description of these parameters, see the text below and page 16-8.
Table 16.B
G82 Cycle Parameters
Parameter: Definition: Default Value: PossibleValue:
Non-planeaxis
2
reciprocationprimaryreversalpoint from last cycle programmed abs. or inc.
Reciprocation axis integrand
3
reciprocationsecondaryreversal point from last cycle programmed abs.or inc.
Eitherplane axis
2
plunge depth fromlast cycle programmed abs.orinc.
Plungeaxisintegrand
2
plunge pickat primaryreversalpoint from last cycle programmed inc.only
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
Programming both plane axes in the same G82 block results in the error
“TOO MANY AXES PROGRAMMED”
Figure 16.4 shows the axis motions that make up the G82 plunge grinding
cycle. This figure assumes that the YZ plane (G19) is active and that the Y
axis is programmed in the G82 block, making it the plunge axis.
16.4
G82 or G82.1 Plunge
Grinding (Slot)
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