Testing apparatus and method for measuring cutting, chipping and

Details Testing apparatus and method for measuring cutting, chipping and Testing apparatus and method for measuring cutting, chipping and

1978-05-01

1979-03-20

Myracle, Jerry W.

Measuring and testing

By abrasion, milling, rubbing, or scuffing

Wheel tread, tire, track, or roadway

73104, G01N 356

Patent

active

041447409

ABSTRACT:
A sample of the material to be tested is formed in a disc-shaped specimen and mounted on a spindle inserted in a mounting hole in the specimen. The spindle is rotated about a generally horizontal axis and a single blade cutter is supported above the specimen for dropping on the specimen in cutting engagement therewith. Lifting and dropping is controlled so that there is bouncing of the cutter and repeated engagement of the cutter with the specimen between the lifting and dropping. The diameter of the test specimen is measured before the test and after a predetermined time of the testing. The decrease in diameter is an indication of the cutting and chipping resistance of the material being tested.

REFERENCES:
patent: 2458196 (1949-01-01), Phillips
patent: 3216238 (1965-11-01), Bailey
patent: 3323349 (1967-06-01), Savage et al.

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