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Operation 10.04
2.7 Measurin
a tool
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ï›™ Siemens AG, 2004. All rights reserved
2-92 SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition
2.7 Measuring a tool
The various tool geometry parameters must be referenced while the
program is running. These are stored as so-called tool offset data in
the tool list. Each time the tool is called, the control considers the tool
offset data.
You can determine the tool offset data, i.e. the length and radius or
diameter, either manually or automatically (per measuring probe).
2.7.1 Measuring a tool manually
For manual measurement, move the tool manually to a known
reference point to determine the tool length and the radius and
diameter. ShopMill then calculates the tool offsets from the position of
the toolholder reference point and the reference point.
When measuring the tool length you can either use the workpiece or a
fixed point in the machine coordinate system, e.g. a mechanical test
socket or a fixed point in combination with a distance gauge as the
reference point.
You can enter the position of the workpiece during measurement. The
position of the fixed point on the other hand must be specified before
you start measurement (see Section "Adjusting the fixed point").
When determining the radius/diameter, the workpiece is always the
reference point.
Depending on the setting in a machine data, you can measure the
radius or the diameter of the tool.
Please refer to the machine manufacturer's instructions.
Measuring length
Workpiece reference
point
îš¾ Attach the tool you want to measure to the spindle.
Jog
îš¾ Select the "Measure tool" softkey in "Machine Manual" mode.
Length
manual >
îš¾ Press the "Length manual" softkey.
îš¾ Select the tool cutting edge D and the duplo number DP for the
tool.
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