Method and apparatus for making precision rings

Details Method and apparatus for making precision rings Method and apparatus for making precision rings

B - Operations, Transporting

21

F

26/166

B21F 45/16 (2006.01) B21D 53/20 (2006.01) B21D 53/36 (2006.01)

Patent

CA 1208897

Abstract of the Disclosure. Method and Apparatus for making precision rings. Circlip making apparatus comprises three forming tools 2, 3, 4 equiangularly spaced about a mandrel axis 1a. A row of integral circlip blanks 6 are fed to the mandrel 1 through guide means 5 and blanks are cut from the row by blade 7 one by one before being bent into circlips around the mandrel 1 by advancement of the tools 2, 3, 4 radially of axis 1a. The row of blanks 6 is made from long flat wire stock and the stock is passed through work stations in which each blank is cut to tapered form and its cross section planished between the ends so that it is adapted to a shape to be bent into a circlip without irregular distortion or buckling.

423435

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