SIEMENS
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Siemens NC 62 · 2016
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SINUMERIK Solution Partners
AfM Technology GmbH – Volumetric compensation
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Overview
AfM Technology GmbH is an international solution provider in
the field of mobile measurement technology based in Germany.
The focus of the company lies in the metrological detection and
correction of geometric guide deviations within machine tools,
coordinate measuring machines, robot systems and other multi-
axis machine systems.
Volumetric Compensation of geometrical deviations
Determination of geometrically reproducible translational and
rotational deviations of machine axes. Based on the determined
deviations a correction field is created for SINUMERIK CNCs.
Depending of the machine position ensue the correction of all
single deviations at the tool center point (TCP) to the running
time of the machine.
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Benefits
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Capture and visualize geometric deviations of machine axes
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Capture and visualize reproducibility of machine axes
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Creation of machine-specific correction fields for
SINUMERIK CNCs
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Significant improvement of machine accuracy by volumetric
correction at runtime
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Verification of the accuracy improvement achieved owing to
the volumetric compensation
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Function
Due to the manufacturing process, machine axes deviate from
their ideal geometrical shape and are never exactly perpendic-
ular to each other. The existing geometrical deviations lead to
translational and rotational deviations which have the effect that
the actual position deviates from the target position.
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AfM Technology GmbH acquires the existing, individual
geometry deviations of all axes with special measuring
methods.
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From the individual errors, AfM Technology GmbH can
generate a machine-specific error map for the CNC
and
deposit it in the control.
By knowing the single deviations from the error map, the
SINUMERIK VCS option is able to calculate the deviation at the
tool center point (TCP) to the running time at every position in the
volume. Based on the calculated value, the control changes its
actual position in direction to the target position at the tool center
point. Significant increases in machine accuracy and machined
products are the result.
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Integration
Volumetric compensation is available for the following CNC:
•
SINUMERIK 840D sl
with the SINUMERIK VCS option
(Volumetric Compensation System)
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More information
AfM Technology GmbH
Gartenstraße 133
73430 AALEN
GERMANY
Tel.:
+49 7361 889608-0
E-mail:
vertrieb@afm-tec.de
Internet:
www.afm-tec.info
© Siemens AG 2016