CNC Machinist Calculator UltraHome › G-codes › Hurco WinMax (NC) › G43
G43 Tool length offset plus
Hurco WinMax (NC) G-code · Mill
Applies the tool length offset from the H register. On Hurco the table value is negative: the distance from Z home down to the part top with the tool touching.
Format
G43 [G17 or G18 or G19] H
Addresses
| Address | What it does |
|---|---|
H | Tool offset register, H00 to H200 |
G17 G18 G19 | Offset axis. G17 Z, G18 Y, G19 X. Does not change the plane |
How it works
Modal, group 08. Cancel with G49 or H00.
Example program
T1 M06 (.500 END MILL)
G90 G54 G00 X1. Y1. S3000 M03 (POSITION)
G43 H01 Z1. M08 (LENGTH OFFSET, Z CLEAR)
G01 Z-.1 F10. (FEED IN)
…
G90 G54 G00 X1. Y1. S3000 M03 (POSITION)
G43 H01 Z1. M08 (LENGTH OFFSET, Z CLEAR)
G01 Z-.1 F10. (FEED IN)
…
The full 6-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Hurco also has Zero Calibration in Tool Setup. A G43 H value overrides it. Hurco suggests Zero Calibration, mainly with tool probing.
- An H word alone replaces the active offset while G43 is on.
- Make the first move after G43 a Z move well above the part.
Related codes
G43 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Tool length compensation |
| Haas NGC | Tool length compensation plus |
| Mazak (EIA) | Tool length offset, plus direction |
| Okuma OSP | 3D compensation cancel |
| Mitsubishi M70 M80 | Tool length comp plus |
| Brother Speedio | Tool length offset plus |
| Fagor 8055 8065 | Tool length compensation on |
| LinuxCNC Tormach | Tool length offset on |
| Mach3 Mach4 | Tool length offset |
| Centroid CNC12 Acorn | Tool length compensation plus |
| Fadal | Tool length compensation positive |
Every G-code for Hurco WinMax (NC) in your pocket. The app has the full example programs, search by number or shop word, a line decoder and calculators for tapping, threading and drilling.
Open G43 in the app All Hurco WinMax G-codes