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G69 Complex deep hole drilling / Stock removal along Z (lathe)
Fagor 8055 8065 G-code · Mill, Lathe
On mills: Complex deep hole drilling
Peck drilling with a shrinking peck. B is the first peck, R the reduction factor, L the minimum peck, H the retract, J how often to go back to the reference plane.
Format
Addresses
| Address | What it does |
|---|---|
Z | Reference plane |
I | Total depth, incremental from the part surface |
B | Peck step |
C | Rapid approach to the previous peck |
D | Distance from reference plane to part surface |
H | Retract after each peck |
J | Pecks between full returns to the reference plane |
K | Dwell in hundredths of a second |
L R | Minimum peck and reduction factor |
How it works
Modal canned cycle. Cancel with G80.
Example program
G0 G90 X0 Y0 Z1.0 S1500 M03 (START)
G69 G98 G91 X2.0 Y1.0 Z-0.9 I-2.0 B0.5 C0.04 D0.04 H0.2 J2 L0.1 R0.8 F8.0 (VARIABLE PECK)
G80 (CANCEL)
…
The full 5-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- On Fagor mills G69 is a drilling cycle, not rotation cancel.
- On 8055 T lathes G69 is the Z roughing cycle.
On lathes: Stock removal along Z (lathe)
Roughing cycle that cuts in passes along the Z axis, following a profile from block labels S to E. This is the usual OD and ID turning rough cycle on Fagor lathes.
Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.
Format
Addresses
| Address | What it does |
|---|---|
X Z | Start point of the profile |
C | Depth per pass |
D | Safety distance |
L M | Finish stock on X and Z |
H | Finishing feed |
S E | First and last block of the profile |
How it works
Not modal.
Example program
G95 G92 S2500 (SPEED LIMIT)
G96 S400 M03 (CSS)
G69 X0.5 Z0 C0.05 D0.04 L0.01 M0.005 H0.004 S100 E200 (ROUGH ALONG Z)
…
The full 7-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- On Fagor mills G69 is a deep hole drilling cycle.
- Check the full parameter list in your 8055 T manual.
Related codes
G69 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Rotation and tilted plane cancel |
| Haas NGC | Coordinate rotation cancel |
| Mazak (EIA) | Rotation and tilted plane cancel |
| Mitsubishi M70 M80 | Rotation and tilted plane cancel |
| Brother Speedio | Coordinate rotation cancel |
| Mach3 Mach4 | Rotation cancel |
| Centroid CNC12 Acorn | Coordinate rotation off |
| Hurco WinMax (NC) | Rotation cancel |
| Fadal | Coordinate rotation cancel |
| Swiss (Citizen Star) | Balance cut or mirror off (Star) |
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