Tool quill and method for finishing fuel injector needle tips

Details Tool quill and method for finishing fuel injector needle tips Tool quill and method for finishing fuel injector needle tips

1998-06-30

1999-11-30

Rose, Robert A.

Abrading

Abrading process

Roll, roller, shaft, ball, or piston abrading

451276, 451342, B24B 1504

Patent

active

059932961

ABSTRACT:
A tool quill for carrying out superfinish polishing of a fuel injector needle tip to insure proper sealing of a fuel injector has a universal joint which allows tilting of a polishing stone during the finishing operation to accommodate slight positioning errors between the stone and needle tip and their axes of rotation. Slight tilting movements occur against an elastic straightening force exerted on the universal joint to insure constant polishing pressure, which in turn insures accurate shaping of the polished tip surface.

REFERENCES:
patent: 881621 (1908-03-01), Rowland et al.
patent: 2542154 (1951-02-01), Mesirow
patent: 2982057 (1961-05-01), Stanhope
patent: 3050909 (1962-08-01), Rawstrom
patent: 4545706 (1985-10-01), Minoru et al.
patent: 4551902 (1985-11-01), Thibaut
patent: 5071525 (1991-12-01), Kazuo
patent: 5639273 (1997-06-01), Sjolander et al.
patent: 5810647 (1998-09-01), Rogers

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