CNC Machinist Calculator UltraHome › G-codes › Haas NGC › G199
G199 Engage synchronous spindle control
Haas NGC G-code · Lathe
Locks the secondary spindle to the main spindle speed and phase on DS lathes. Used for part transfer and for cut off with both spindles holding the part.
Format
G199 [R]
Addresses
| Address | What it does |
|---|---|
R | Phase angle of the following spindle relative to the commanded spindle, degrees |
How it works
Group 00. Stays on until G198, even through a power cycle.
Example program
G97 S500 M03 (MAIN SPINDLE 500 RPM)
G199 R0 (SYNC SECONDARY TO MAIN)
M110 (CLAMP SECONDARY CHUCK)
T0909 (CUTOFF TOOL)
…
G199 R0 (SYNC SECONDARY TO MAIN)
M110 (CLAMP SECONDARY CHUCK)
T0909 (CUTOFF TOOL)
…
The full 6-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Speed commands to the following spindle are ignored while synced. M codes still work on each spindle.
- Match the jaws to the part before clamping both chucks.
Related codes
Every G-code for Haas NGC 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 G199 in the app All Haas NGC G-codes