What does Mazak alarm 187 mean?

Mazak alarm 187 is "SET W-THERMAL COMP. TOOL LENGTH". The workpiece thermal expansion compensation command is issued to a tool for which tool data is not entered. Error type: Registered Data — program or tool data error. Machine state: Operation continued — machine still running.

How do I fix and clear Mazak alarm 187?

Enter the tool data (tool length). If the tool length is not specified, compensation will be made on the assumption that the tool tip is at the spindle nose (or at the center of rotation of the B-axis if the machine has a spindle head rotating mechanism). Clearing procedure: Tap alarm clear button.

ALARMSMazatrol Assistant

NOTICEAlarm code

187

SET W-THERMAL COMP. TOOL LENGTH

What it means

The workpiece thermal expansion compensation command is issued to a tool for which tool data is not entered.

What to do

1Enter the tool data (tool length).
2If the tool length is not specified, compensation will be made on the assumption that the tool tip is at the spindle nose (or at the center of rotation of the B-axis if the machine has a spindle head rotating mechanism).

Codebook — decoded

BError typeRegistered Data — program or tool data error

LStop statusOperation continued — machine still running

SClearingTap alarm clear button

Still faulted after these steps? Do not restart under load — ask the Mazatrol assistant.

Still stuck? Ask the Mazatrol assistant →