Method for spacing laminations

Details Method for spacing laminations Method for spacing laminations

1997-11-13

1999-11-30

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29609, 310 42, 310216, H02K 1502

Patent

active

059920033

ABSTRACT:
A method for manufacturing laminated parts in which spacing of individual laminas is maintained during the manufacturing process. As the laminas are stamped from strip stock material, a staking lug is formed in each lamina. The staking lug comprises an attaching lug, having a corresponding attaching cavity on an opposite surface, and a separation lug. The mating attaching lugs and cavities keep the spaced stack in a single unit configuration while the separation lug ensures adequate spacing between individual laminas for annealing and/or insulation of the individual laminas. The staking lug is preferably formed in one stamping step in a punch press machine, and eliminates the need for rotation of the laminas or alternate stamping methodologies, simplifying the laminated part manufacturing process.

REFERENCES:
patent: 3202851 (1965-08-01), Zimmerle et al.
patent: 4538345 (1985-09-01), Diedrichs
patent: 4619028 (1986-10-01), Neuenschwander
patent: 5349741 (1994-09-01), Neuenschwander

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