Calibration test stand and method for hydraulic wrenches

Details Calibration test stand and method for hydraulic wrenches Calibration test stand and method for hydraulic wrenches

1980-02-25

1982-04-06

Swisher, S. Clement

Measuring and testing

Instrument proving or calibrating

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

G01L 2500

Patent

active

043229654

ABSTRACT:
A calibration test stand and method is presented for calibration of hydraulically powered torque wrenches. A hydraulic wrench to be powered by a pump is directly calibrated with the pump so that the pressure level of the pump can be accurately set to obtain the desired output torque level.

REFERENCES:
patent: 2411931 (1946-12-01), McVey
patent: 2443049 (1948-06-01), McVey
patent: 2765416 (1955-04-01), Thomas
patent: 2955454 (1960-10-01), Husher
patent: 3456486 (1969-07-01), Kross
patent: 4171647 (1979-10-01), Herrgeh

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