Device for measuring the bias force between two objects

Measuring and testing – With fluid pressure – Dimension – shape – or size

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Details

355213, 355295, 73 379, B41F 3300, B41F 1326, G01M 302

Patent

active

057340951

ABSTRACT:
The bias force between two objects is measured with an expansion element which is adapted to be inserted between the two objects. The expansion element is formed with a flexible contact surface for contacting the objects. The flexible contact surface is formed by a flexible envelope of a pressure cushion. A pressure source is in fluidic communication with the pressure cushion. The pressure in the expansion element is a measure of a magnitude of the bias force between the two objects. The device is particularly suited for measuring the bias force between two mutually contacting cylinder bearers in a rotary printing machine. The expansion element is thereby inserted into a gap formed between two cylinders and it is thereupon subjected to pressure from the pressure source, which forces the cylinders apart until a gap appears between the cylinder bearers. The pressure measured at that instant corresponds to the magnitude of the bias force between the cylinder bearers.

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