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METHOD AND APPARATUS FOR MAKING PRECISION RINGS; A PRECISION RING AND A PRECISION RING BLANK MADE BY THE METHOD
METHOD AND APPARATUS FOR MAKING PRECISION RINGS; A PRECISION RING AND A PRECISION RING BLANK MADE BY THE METHOD
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机译:制作精密环的方法和装置;用该方法制成的精密环和精密环毛坯
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摘要
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.
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