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M388/M389: Advanced through-spindle coolant

Turns spindle coolant on/off on some modern Haas machines.

For reference only: syntax changes with the control, the post-processor and the machine parameters. Check the official manual and run a simulation before cutting. Legal notice.

Family
Coolant
Machine
Milling, Mill-turn
Risk
Medium
Example
M388 / M389
E.g.:
M388 / M389

Machine: Milling, Mill-turnRisk: Medium

Haas

  • TSC on/off on some Haas; Do not confuse with M88/M89 depending on the model.

Other codes in Coolant

See the full list of G and M codes

Frequently Asked Questions (FAQ)

What does M388/M389 mean in a CNC program?

Turns spindle coolant on/off on some modern Haas machines. In the catalogue it appears as "Advanced through-spindle coolant", within the Coolant family.

Can you give me an example of M388/M389?

M388 / M389 — Turns spindle coolant on/off on some modern Haas machines.

Which machines use M388/M389?

M388/M389 is used in: Milling, Mill-turn.

What should you watch out for with M388/M389?

Medium risk: it rarely breaks anything on its own, but a wrong value shows up on the part. Check the block before running the batch.

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