Method to estimate attractive force in a permanent magnet chuck

Details Method to estimate attractive force in a permanent magnet chuck Method to estimate attractive force in a permanent magnet chuck

2006-09-05

2006-09-05

Barrera, Ramon M. (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Work or object holding type

C335S295000, C269S008000

Reexamination Certificate

active

07102476

ABSTRACT:
The design of permanent magnet chucks of desired specified attractive force at the base or working face of the chuck is expedited by the discovery of a general correlation between two specific engineering parameters. The attractive force intensity expressed as force per unit chuck working face contact area correlates with the ratio of area of the iron block surfaces at the working face to the area of the permanent magnet surfaces contacting the iron blocks and providing the magnetic flux path to them.

REFERENCES:
patent: 4250478 (1981-02-01), Cardone et al.
patent: 4314219 (1982-02-01), Haraguchi
patent: 4625928 (1986-12-01), Peekna
patent: 4676161 (1987-06-01), Peekna
patent: 4684112 (1987-08-01), Chernikov et al.
patent: 5435613 (1995-07-01), Jung
patent: 6076873 (2000-06-01), Jung
patent: 6489871 (2002-12-01), Barton

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