MicroDyn, described as the world's smallest dynamometer
at just 30 x 30mm, ensures dynamic
and high-precision measurements of cutting
forces on tools used in micromachining.
Kistler has introduced this smallest series-produced
cutting force meter and believes it fills a
void to now provide manufacturing companies
and research institutions with a solution for highly
precise measurements of cutting forces in the
development of micro tools.
The machining of very small workpieces puts high
demands on the tools used. In order to examine
cutting forces in micro machining applications
highly compact and sensitive measuring instruments
are needed.
With the new MicroDyn 9109AA dynamometer,
Kistler is creating new opportunities for its
customers in the fields of ultra-fine machining,
micro-precision machining and ultra-precision
machining – especially in the development of
tools for the machining of brittle-hard materials
and the optimisation of machining processes.
Measuring only 30x30 mm, the MicroDyn is the
smallest dynamometer in the world says Kistler.
Thanks to the high natural frequency of 15 kHZ
in all three axes, an increase of about a factor of
2.5 compared to its predecessor, highly dynamic
forces up to 500 N can be measured very
accurately and the resulting torques of up to 50
Nm calculated. This makes it possible to detect
forces with tool speeds of up to 120,000 RPM
on individual blades of the tool.
The piezoelectric measuring crystal rings ensure
high sensitivity and a very low threshold.
They are also installed in such a way that temperature
influences are largely compensated.