Measuring The Tool; Measuring A Tool Manually - Siemens SINUMERIK 840D SL Operating Manual

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Measuring the tool

The geometries of the machining tool must be taken into consideration when executing a

part program. These are stored as tool offset data in the tool list. Each time the tool is called,

the control considers the tool offset data.

When programming the part program, you only need to enter the workpiece dimensions from

the production drawing. After this, the controller independently calculates the individual tool

You can determine the tool offset data, i.e. the length and radius or diameter, either manually

or automatically with tool probes.

For manual measurement, move the tool manually to a known reference point to determine

the tool length and the radius or diameter. The control then calculates the tool offset data

from the position of the tool carrier reference point and the reference point.

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.

When determining the radius/diameter, the workpiece is always used as the reference point

In the machine data, you define whether the radius or the diameter of the tool is to be

You can enter the position of the workpiece during measurement.

However, you must declare the position of the fixed point before the measurement.

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