Method for determining error sources in a wheel balancer

Details Method for determining error sources in a wheel balancer Method for determining error sources in a wheel balancer

1980-07-28

1982-07-13

Gill, James J.

Measuring and testing

Rotor unbalance

Dynamic

73 1B, G01M 122

Patent

active

043388183

ABSTRACT:
Force transducers are coupled to the shaft of a wheel unbalance measuring device to provide periodic electrical signals indicative of unbalance forces. Operation of the system while a known unbalance is mounted on the shaft provides data from which calibration constants for the system are calculated. The measuring system is adaptable to implement certain system self diagnostic processes. The system may continuously drive the shaft and display the force transducer output peak values so that the transducers may be monitored for excessive noise and for normal operation. The balancer shaft may also be run continuously and two plane unbalance displayed so that the stability of the system may be monitored. In each of the latter two diagnostic capabilities readings are taken by the system over a predetermined number of shaft revolutions so that noise frequencies imparted to the data by the drive components may be substantially eliminated.

REFERENCES:
patent: 3741016 (1973-06-01), Hofmann
patent: 3785210 (1974-01-01), Mueller
patent: 3788147 (1974-01-01), Mueller
patent: 3826146 (1974-07-01), Mueller
patent: 4015480 (1977-04-01), Giers
patent: 4046017 (1977-09-01), Hill
patent: 4085619 (1977-04-01), Shapiro et al.
patent: 4169383 (1979-10-01), Guyot et al.
patent: 4173146 (1979-11-01), Kogler et al.
patent: 4198677 (1980-04-01), Brunner et al.
patent: 4250555 (1981-02-01), Mitchell et al.
patent: 4285240 (1981-08-01), Gold

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