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G87 Back boring cycle, not implemented
LinuxCNC Tormach G-code · Mill
Listed in the LinuxCNC code table, but the manual says it is not implemented. Do not use it.
Format
G87
Addresses
| Address | What it does |
|---|---|
none | Not implemented |
How it works
Not implemented in LinuxCNC.
Example program
(G87 IS NOT IMPLEMENTED IN LINUXCNC)
(PROGRAM BACK BORING WITH PLAIN MOVES)
G0 X1 Y1 Z0.5
G1 Z-1 F5
(PROGRAM BACK BORING WITH PLAIN MOVES)
G0 X1 Y1 Z0.5
G1 Z-1 F5
Example is in inch. Check offsets and clearances first.
Watch out for
- The interpreter may accept it, but the behavior is undefined. Program back boring with G0 and G1 moves.
Related codes
G87 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Back boring cycle |
| Haas NGC | Boring cycle, stop and manual retract |
| Mazak (EIA) | Side drilling cycle, live tool |
| Okuma OSP | Back boring cycle |
| Mitsubishi M70 M80 | Back boring cycle |
| Brother Speedio | Back boring cycle |
| Fagor 8055 8065 | Rectangular pocket canned cycle |
| Mach3 Mach4 | Back boring |
| Hurco WinMax (NC) | Back bore (ISNC) or chip breaker (BNC) |
| Fadal | Bore in and out, Fadal G87 |
| Swiss (Citizen Star) | Side drilling cycle |
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