Used Bullblock

A used bull block is used to reduce the diameter resp. the cross-section of wire, similar to a drawing machine. Generally bull blocks are used in the iron and steel wire production. A bull block is a single capstan driven by a gear box and motor. The wire is wound around this capstan wheel which can be horizontally or vertically aligned. Through the rotation of the capstan the wire is transported foward and being pulled through a so called drawing die, whichs opening is a little bit smaller than the inlet diameter of the wire. This resulting on a cold reforming of the wire, making it thinner and longer. The drawing die is located inside a die holder, where also drawing emulsion can be applied to improve the wires surface qulity during the drawing process.

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