Metal working – Method of mechanical manufacture – Electrical device making
Patent
1991-09-11
1993-07-06
Gorski, Joseph M.
Metal working
Method of mechanical manufacture
Electrical device making
29509, 310 42, 310156, H02K 1502
Patent
active
052242595
ABSTRACT:
A system of manufacturing a metal wrapped non-metallic magnetic component useable about a rotor or the like comprises welding the ends of a strip of sheet metal to form a cylinder. If necessary, the cylinder may be cut about its entire circumference at two axial locations thereby isolating a central portion of the cylinder having exposed a first axial end and a second axial end. The cylinder is then form rolled to deform the first and second axial ends radially inward to form a channel located along the inner diameter. The magnetic material may then be inserted within the channel between a deformed first and second axial ends of the central cylindrical portion. The central cylindrical portion may then be form rolled such that the flanges are folded about the ends of the magnetic material.
REFERENCES:
patent: 1224193 (1917-05-01), Milhening
patent: 1931153 (1933-10-01), Mueller
patent: 3048725 (1962-08-01), Wesolowski
patent: 4625135 (1986-11-01), Kasabian
patent: 4695419 (1987-09-01), Inariba
patent: 4742259 (1988-05-01), Schaefer
patent: 5040286 (1991-08-01), Stark
3M Brand Magnet Material B-1030 Data Sheet, 3M Electrical Specialties Division, 1990, pp. 1-4.
Gorski Joseph M.
Temper Corporation
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