Relative motion

Relative rotating motion

Pin on disc

A pin is pushed on a plane and circles on a defined circular track.

Ball on disc

A ball is pushed on a plane and circles on a defined circular track.

Disc on disc

Two discs are pushed onto each other axially and at least one rotates.

Disc on disc

Two discs are pushed onto each other displaced axially and at least one rotates.

Disc-disc-circumferential load

Two discs are pushed onto each other axially and at least one rotates.

Four ball test

A rotating ball is pushed on 3 fixed balls.

Piston ring segment-cylinder track

A segment of a piston ring is pushed onto a rotating cylinder wall radially from the inside.

Bearing bushing

An open bushing is radially pushed onto a rotating wall.

Relative translational motion

Pin on disc

A pin is pushed on a plane and oscillates linearly.

Ball on disc

A ball is pushed on a plane and oscillates linearly.

Piston ring segment-cylinder track

A segment of a piston ring is pushed against a cylinder wall and oscillates linearly.