Chiplessly formed open-end spinning rotor and process for produc

Details Chiplessly formed open-end spinning rotor and process for produc Chiplessly formed open-end spinning rotor and process for produc

1987-06-19

1988-10-18

Larson, Lowell A.

Metal deforming

By use of tool acting during relative rotation between tool...

During rotation of work

57416, 72348, D01H 1135

Patent

active

047778130

ABSTRACT:
At least the collecting groove surface of a chiplessly formed, open-end spinning rotor is not contacted with shaping tools as the groove is formed. Such collecting groove may have a surface including a number of smooth, uniformly distributed islets formed thereon during initial production of an intermediate product pot. To produce the rotor, a pot is first made by stretching and stamping flat material. The pot is then subjected to plastic deformation, such as roll pressing, to affect a peripheral wall of the pot to form the collecting groove between such peripheral wall and a bottom of the pot. Such plastic deformation may further optionally be accomplished without interior support of the walls thus formed, with the result that such undistributed slip walls also have smooth, uniformly distributed islets thereon.

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German article by Hack, "Auswuchten in der Serienfertigung", 1959.

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