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Process for the production of balls or ball segments, as well as subsequently manufactured ball element for two-part ball studs
Process for the production of balls or ball segments, as well as subsequently manufactured ball element for two-part ball studs
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机译:球或球段的生产工艺,以及随后制造的用于两部分式球钉的球元件
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摘要
A process is provided for manufacturing balls, especially for ball and socket joints, as well as to a ball element for two-part ball pivots. The microalloyed carbon-manganese steel balls are manufactured by cold extrusion and subsequent grinding. Annealing can thus be completely eliminated, as a result of which a less expensive material can be used. The process makes possible a manufacture of balls especially for two-part ball pivots in a simpler manner and at a lower cost, and the surface finish and the material quality as well as the strength and the wear resistance are at the same time preserved or increased. As a result, the effort needed to manufacture the balls is reduced, and, moreover, the problem of the impact marks often developing on the ball surfaces during tempering is eliminated.
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