Fixture for checking the alignment of a loadwheel with the spind

Details Fixture for checking the alignment of a loadwheel with the spind Fixture for checking the alignment of a loadwheel with the spind

1987-10-05

1988-11-29

Martin, Jr., William D.

Geometrical instruments

Gauge

With support for gauged article

3320316, 33645, G01B 5255

Patent

active

047871504

ABSTRACT:
A fixture for measuring the alignment of a loadwheel with respect to the centerline spindle of a tire uniformity machine. An adaptor block is formed with a conical-shaped recess and an opposed conical-shaped projection which mates with a complementary shaped nose cone and sleeve of a chuck assembly when the block is clamped therein. A bar extending parallel to the aligned centerlines of the block and spindle has a pair of sensors mounted on its ends which register on the uncoated surfaces adjacent the edges of the loadwheel. Readings from the sensors indicate the parallelism of the loadwheel to the spindle. Another sensor can be mounted on the bar and engage the bottom edge of the loadwheel at two locations to determine the squareness of the loadwheel with respect to the spindle. Another sensor can be mounted on the bar to measure the circumferential profile of the coated surface of the loadwheel. The fixture avoids removal of the chuck assembly or the dismantling of other machine components. The fixture may be mounted on a sled to facilitate the placement of the adaptor block on the chuck assembly.

REFERENCES:
patent: 1977297 (1934-10-01), Weaver
patent: 3315366 (1967-04-01), Marshall
patent: 3581403 (1971-06-01), Tuttle
patent: 4126942 (1978-11-01), Damman

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