B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
140/57
B21D 3/00 (2006.01) B21F 1/02 (2006.01)
Patent
CA 1311177
Abstract of the Disclosure The intermittent straightening of the wire is carried out by means of a fixedly supported straightening rotor, the straightening blocks of which radially deflect the wire advanced by conveying means. The mass moment of inertia of the straightening rotor is dimensioned to be so small that the straightening rotor can be decelerated and accelerated at least approximately within the same time period as the wire by the conveying means. For cutting the length, the straightening rotor is braked in synchronism with the wire and thereafter again accelerated. Thereby, a perfect wire quality is achieved, in particular a uniform elongation approximately constant over the entire length of the wire, without having to move the cutting device at the high wire feeding speed, or without having to move the straightening rotor axially or the straightening blocks radially, in order to avoid heating up and damaging of the arrested wire by the further operating straightening rotor. Different straightening rotors are utilized for different wire types, these rotors being easily exchangeable with their bearings.
577923
Fetherstonhaugh & Co.
H.a. Schlatter Ag
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