Method and apparatus for determining the uniformity of pneumatic

Details Method and apparatus for determining the uniformity of pneumatic Method and apparatus for determining the uniformity of pneumatic

1989-10-20

1990-09-11

Woodiel, Donald O.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

G01M 1702

Patent

active

049552295

ABSTRACT:
A method and apparatus is proposed for determining the uniformity of pneumatic tires. The apparatus has two measuring rim halves between which a tire to be tested can be mounted and rolled along a test drum. The apparatus has a measuring system for measuring force fluctuations resulting from nonuniformities of the tire and for emitting a corresponding signal, and an evaluation system which evaluates tire uniformity by subtracting a correction signal obtained from eccentricities of the measuring rim halves from a measurement signal. In this way, a compensation of the error component in the measurement signal resulting from eccentricity of the rim halves is obtained.

REFERENCES:
patent: 3895518 (1975-07-01), Leblond
patent: 4055081 (1977-10-01), Honlinger

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