2. CNC Monitor Screen
2.3(I) Tool Offset (L system)
(Refer to "2.3 (II). Tool Offset (M system)" for Machining center system)
I - 53
6) Measure tool compensation amount with sensor contact
Approach the tool nose to the sensor with manual or handle feed.
Stop the feed when the nose contacts the sensor.
The tool length compensation amount will be automatically calculated from the contacted position,
and will be stored in the tool length memory.
After measuring, the wear amount of the designated compensation No. will be cleared.
(Note) The sensor contact surface is judged by the NC according to the manual axis movement
direction, so measure the tool compensation amount one axis at a time.
<Details of automatic calculation expression>
The tool compensation amount is automatically calculated with the following expression.
Tool compensation amount
= Machine coordinate value – Measurement base position (sensor position)
Xm
Zm
Z axis
X axis
X axis tool
compensation
amount
Z axis tool
compensation
amount
Machine value
Tool post
Tool post
Machine value
Tool compensation amount calculation diagram
7) Retract the tool
8) Set the tool compensation amount for the X axis and Z axis using steps 5) to 7).
9) Repeat steps 5) to 8) for the required tools.
10) Turn the tool measurement mode signal OFF.
This completes the measurement of the tool compensation amount.
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