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M88 Through spindle coolant on / High pressure coolant on
Haas NGC M-code · Mill, Lathe
On mills: Through spindle coolant on
Turns on through spindle coolant. Needs the TSC option and a tool made for it.
Format
M88
How it works
Modal, until M89.
Example program
T4 M06 (COOLANT FED DRILL)
G43 H04 Z1. M88 (THROUGH SPINDLE COOLANT ON)
G83 Z-2. R.1 Q.5 F10. (DEEP DRILL)
G80 M89 (CANCEL AND TSC OFF)
G43 H04 Z1. M88 (THROUGH SPINDLE COOLANT ON)
G83 Z-2. R.1 Q.5 F10. (DEEP DRILL)
G80 M89 (CANCEL AND TSC OFF)
Example is in inch. Check offsets and clearances first.
Watch out for
- Turn TSC off with M89 before a tool change.
- Using TSC on a tool with no coolant hole can damage the pump seal.
On lathes: High pressure coolant on
Turns on the optional high pressure coolant.
Format
M88
How it works
Modal until M89.
Example program
T0303 (DRILL)
M88 (HIGH PRESSURE COOLANT ON)
G83 Z-2. Q.25 R.1 F.004 (DEEP PECK DRILL)
G80 M89 (CANCEL, HPC OFF)
M88 (HIGH PRESSURE COOLANT ON)
G83 Z-2. Q.25 R.1 F.004 (DEEP PECK DRILL)
G80 M89 (CANCEL, HPC OFF)
Example is in inch. Check offsets and clearances first.
Watch out for
- Turn high pressure coolant off with M89 before a tool change.
Related codes
M88 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Doosan (Fanuc) | C1-axis low pressure clamp |
| DMG Mori MAPPS (Fanuc) | Through-spindle coolant ON |
| Mazak (EIA) | Steady rest 2 unclamp |
| Swiss (Citizen Star) | Interference check off (Citizen) |
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