Belt weighing machines

Details Belt weighing machines Belt weighing machines

1975-11-03

1976-09-14

Swisher, S. Clement

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

177 1, G01G 2300, G01G 900

Patent

active

039799433

ABSTRACT:
A method of installing or adjusting belt weighing machines to reduce errors in the weights recorded applies to machines having a conveyor belt (25) which is driven over a series of idler rollers (22, 24, 23) in which one or more idler rollers (24) are supported by a weight sensing system. In a first adjustment the isolation of the weighlength is improved in a static test by altering the separation between the first threshold idler roller (A, A') and either the adjacent non-weighed idler roller (B, B') or the next but one weighed idler roller (D, D'). In a second adjustment the theoretical weighlength is adjusted by moving the first threshold idler rollers (A, A') to compensate for the disparity between static and dynamic test results.

REFERENCES:
patent: 3396573 (1968-08-01), Blubaugh
patent: 3850023 (1974-11-01), McDonald

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