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The profiled section steel wire has wide application in automobile industry, chemical industry, energy industry and 3C electronic industry. It can be produced by cold rolling machine from round steel wire with high precision, high efficiency and high reliability. The biggest characteristic of profiled section steel wire rolling is that the deformed steel wire is only subjected to radial pressure on the contact surface with the roll, but not to longitudinal tension. Therefore, the deformation of the steel wire is large and the plasticity is good, which can greatly improve the primary deformation rate of the steel wire.

There are 3 types cold rolling machine as shown in picture: 2 high rolling mill, 3 high rolling mill and 4 high rolling mill. 2 high rolling mill is used for flat steel wire with side arc, 3 high is used for triangle shaped steel wire and 4 high rolling mill is used for square shaped steel wire with small angle. The special shape like H-shape, T-shape, tear drop and so on also can be produced by cold rolling mill with opening corresponding cavities on the roller ring and multi-rolling technologies.

The precision of cold rolling wire can be 0.001mm, the highest line speed can reach 800m/min, and the Cpk value of cold rolled wire is more than 1.67 normally. The raw material can be cold rolled has wide scope including carbon steel, stainless steel, cooper alloy, titanium alloy, gold and silver noble metal and so on. High precision cold rolling has been main forming technology in profiled section metal wire with high mechanical performance and dimension requirements.

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