Tap with Peck

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Hi.

I want to add in my post cycle Tap with Peck. I want to specify a depth of -20. peck 2 and I want to will recieve code code

( 5.00 - 0.8. TAP-RH SPIRAL YG-1  IPI )
T12 M6
G0 G90 G54 X-45.065 Y17.257 S300 M3
G43 H12 Z25.
M8
Z2.
G99 G84 R2. Z-10.  F240.
X-45.065 Y17.257 Z10.

 

or I want to specify a depth of -21. peck 3 and I want to will recieve

T12 M6
G0 G90 G54 X-45.065 Y17.257 S300 M3
G43 H12 Z25.
M8
Z2.
G99 G84 Z-7. R2. F240.
X-45.065 Y17.257 Z-14.
X-45.065 Y17.257 Z-21.

How I need to change my post?

Now i have post

pdrlcst11            #Canned Tap Cycle with Peck
      pdrlcommonb
	  result = nwadrs(striz1, peck1$)	
	  result = peck1$
	  result = nwadrs(striz2, peck2$)	
	  result = peck2$
      result = newfs(17, feed)  # Set for tapping Feedrate format
	  pcan1, pbld, n$, *sgdrlref, "G84", pxout, pyout, pzoutz, peck1$,
        prdrlout, *feed, strcantext, e$
		n$, [if dwell$ > 0, "M00"] e$
		n$, [if peck2$, *pfxout], [if peck2$, *pfyout], [if peck2$, *peck2$], e$
		n$, [if dwell$ > 0, "M00"] e$
		n$, pfxout, pfyout, pfzout, e$
		result = nwadrsval ("Q", peck1$)
		result = nwadrsval ("J", peck2$)
      pcom_movea