Superfinishing apparatus using film abrasive

Details Superfinishing apparatus using film abrasive Superfinishing apparatus using film abrasive

1997-09-16

1999-07-27

Morgan, Eileen P.

Abrading

Machine

Endless band tool

451299, 451303, 451304, 451438, B24B 2100

Patent

active

059280689

ABSTRACT:
A superfinishing apparatus has an abrasive film feed mechanism for feeding out and winding up an abrasive film (4). The apparatus includes a backup roll (2) for pressing and vibrating the film against a workpiece. A guide member (3) is provided for the film feed mechanism immediately before the backup roll (2). The guide member has two pairs of helical grooves (11, 12) and (13, 14) arranged opposite in turning direction to each other. The helical grooves are different in radius from the center from each other and are provided on both side faces of the guide member. Also, when the film has passed through the helical grooves (11 and 13 or 12 and 14), its traveling path is translated transversely of the guide member.

REFERENCES:
patent: 2932926 (1960-04-01), Dreiling
patent: 3619949 (1971-11-01), Welsch et al.
patent: 4091573 (1978-05-01), Schmidt
patent: 5148639 (1992-09-01), Sakai et al.
patent: 5245792 (1993-09-01), Liechti et al.
patent: 5361546 (1994-11-01), Jonsson

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