Method of bending lead of electric part and bender therefor

Details Method of bending lead of electric part and bender therefor Method of bending lead of electric part and bender therefor

1991-05-10

1992-10-27

Jones, David

Wireworking

Crimping

72381, B21F 100

Patent

active

051581213

ABSTRACT:
A method of efficiently bending a lead of an electric part by use of a bender including an upper die and a lower die without denting or scratching the lead and hence causing no peeling of the plating therefrom. The method comprises the steps of: clamping the root portion of the leads between a moving stripper of the upper die and a fixed die member of the lower die; effecting a first motion in which the distal end portion of the lead that is clamped between a moving punch of the upper die and a moving die member of the lower die is pressed downwardly; and effecting a second motion simultaneously with the first motion, in which the moving punch and the moving die member, which clamp the distal end portion of the lead, are moved in a direction perpendicular to the direction of the first motion, thereby bending the lead along an approximately circular locus about the root portion of the lead by a resultant motion from the first and second motions of the moving punch and the moving die member.

REFERENCES:
patent: 5027866 (1991-07-01), Matsumoto

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