30 Sabre Owner’s Guide
Z axis initialization
Z axis movement is the up and down movement of the Z axis spindle carriage. Z axis
initialization establishes the location of the bottom of the cutting tool relative to a table or
material surface reference. All subsequent up and down moves are made relative to the Z
initialization position.
CAUTION: If the Z axis is not properly initialized, the tool will cut at the wrong
depth and could cut into the table.
Establishing a table surface reference
Perform a table initialization to get a table surface reference for each tool that is used. When
using the ATC, you must initialize each tool before it is installed in the ATC. The Sabre retains
the ATC initialization data until the tool is removed or replaced. Tools that are manually
installed in the Sabre must be initialized to the table before each use.
Note: If a job contains non-through cut tool paths, you need to obtain a material surface
reference only once, no matter how many tools are used in the job.
CAUTION: Always use the initialization gage when manually initializing the Z axis
to the table and when initializing the Z axis to the material. The gage is machined to
a precise thickness, which is automatically compensated for by the Sabre firmware.
Using any other piece of plastic will not provide the correct Z initialization results.
Initialization gage
To manually initialize the Z axis to the table surface
1
Use the X, Y axis keys to move the spindle motor to a convenient position over the
milled table mats for initialization.
2
Place the initialization gage on the table mats under the tool.
CAUTION: Lower the tool carefully. You can damage the tool by driving it into the
gage.
3
Carefully press the Z axis down arrow to lower the tool until it just scratches the
surface of the gage. You should be able feel a light scratch while sliding the gage under
the tool.
4
Press the TBL Z INT function key. The display reads:
TABLE INIT
A: Z Init Table
C: Adjust Depth
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