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Friction Analyzer

Triboster TSf series

Two versatile models for all kinds of samples, one model for cylindrical samples and one model for disc-shaped samples

Measurement of Friction

Measuring the COF with a KYOWA instrument

Measuring the COF with a KYOWA instrument

When the stage with the fixed object moves, the load “W” of the object connected to the measuring unit generates the frictional force “F” between the two objects. The measuring unit detects this force and the software calculates the coefficient of friction "μ".

When the static COF is overcome, the kinetic COF follows, so the COF “μ” can be 1) static or 2) kinetic.

1) The static COF "μs" describes the friction force between two objects when neither of the objects is moving.
2) The kinetic COF "μk", also known as sliding or dynamic COF, describes the friction force between two objects if one object is moving, or if two objects are moving against each other.

Non-moving objects experience more friction than moving ones, requiring more force to put them in motion than to sustain them in motion. Thus the static COF is larger than its kinetic counterpart.

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