Silenced grinding wheel

Details Silenced grinding wheel Silenced grinding wheel

1976-07-12

1977-12-13

Smith, Gary L.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51206NF, 51297, B24D 700

Patent

active

040621537

ABSTRACT:
The noise and vibrations produced by a grinding wheel can be reduced if the wheel is composed of two or more grinding discs joined together by means of layers of a polymer material having a thickness of at least 0.2 mm and not greater than the thickness of the grinding discs. The discs shall have a ratio of diameter to thickness of at least 10. The polymer material shall have a hardness below 90 Shore A, and a loss factor of at least 0.25.

REFERENCES:
patent: 1290990 (1919-01-01), Hickey
patent: 1970835 (1934-08-01), Benner
patent: 2268663 (1942-01-01), Kuzmick
patent: 2353864 (1944-07-01), Wooddell
patent: 2690632 (1954-10-01), Sevick
patent: 3136614 (1964-06-01), Kuzmick
patent: 3271911 (1966-09-01), McKenna
patent: 3597884 (1971-08-01), Kaarlela
patent: 3716950 (1973-02-01), McClure
patent: 3838543 (1974-10-01), Lakhani
patent: 3919580 (1975-11-01), Helletsberger

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