IPN - Instituto Pedro Nunes

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Cutting force measurement

What is it?

Cutting force measurement is a technique that allows the behaviour of cutting operations to be studied using a dynamometer, which captures the signals relating to different axial components exercised on the cutting tool during the removal of material from the sample. The results are a function of the conditions used as cutting parameters among other factors such as material composition, constituent materials of the cutting tool, wear and tool geometry and the use of cutting fluid during the process.

What is it used for?

Understanding cutting force is essential for estimating the power required for the machining of a particular material, optimising the economic and energy components of a cutting process, maximizing the productive capacity of a machine/tool system, studying the wear process during cutting and analysing the influence of the parameters on the surface finish of the parts.

Equipment and working conditions

To carry out milling and drilling machining operations, the lab has a Leadwell V40 machining centre equipped with cutting force measurement systems, which functions by telemetry and consists of KISTLER dynamometers (type 9123C and 9125A). This enables the measurement of cutting forces according to the 3 different axes XX', YY’ and ZZ' as well as the cutting torque.

Example of use

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