Metal deforming – By pulling workpiece through closed periphery die – Utilizing plural metal-deforming tools
Patent
1985-10-17
1986-08-12
Crane, Daniel C.
Metal deforming
By pulling workpiece through closed periphery die
Utilizing plural metal-deforming tools
72289, 72 21, 242 4701, 242 4712, 242 78, B21C 110, B21C 112
Patent
active
046048839
ABSTRACT:
A mass flow control system for a wire drawing machine wherein wire is drawn through a die by a rotating block driven by a variable speed motor. The thus drawn wire is accumulated as a plurality of windings on the block before being removed therefrom via a guide. The guide is arranged on a carrier ring which rotates independently of the block about the axis of block rotation when a difference exists between the rates at which wire is wound onto and removed from the block. The control system includes a motion detector for generating electrical signals representative of the direction and speed of rotation of the carrier ring. Controls associated with the drive motor and responsive to the aforesaid signals adjust the rotational speed of the block in order to reach a steady state condition where wire is being wound onto and removed from the block at the same rate, and the carrier ring remains motionless.
REFERENCES:
patent: 2996170 (1961-08-01), Bruestle
patent: 3796385 (1974-03-01), Jacobsson
patent: 3938751 (1976-02-01), Kawakami et al.
patent: 4247057 (1981-01-01), Jacobsson
patent: 4529017 (1985-07-01), Suzuki et al.
DuFries Ronald W.
Schaetzke William R.
Crane Daniel C.
Morgan Construction Company
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