A kind of special-shaped steel wire production method

A production method and steel wire technology, applied in the direction of wire drawing dies, etc., can solve the problems of rough surface, increased cost, and low dimensional accuracy, and achieve the effects of reducing production costs, reducing production processes, and improving product quality

Inactive Publication Date: 2011-12-28
GUIZHOU WIRE ROPE
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Problems solved by technology

The special-shaped steel wire produced by this method has low dimensional accuracy, poor performance of the steel wire, and many production cycles, resulting in loose buckle between the steel wires during th

Method used

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  • A kind of special-shaped steel wire production method
  • A kind of special-shaped steel wire production method

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[0015] A special-shaped steel wire production method described in the present invention is described in detail by taking the production of a Z5-type (AB1-Tφ5.0mm) steel wire with a tensile strength of 1570MPa as an example to produce a sealed steel wire rope.

[0016] 1. Select raw materials. According to the cross-sectional area and tensile strength of the Z5 type (AB1-T) special-shaped steel wire, it is determined that the raw material steel grade is 82B, the diameter of the wire rod is φ10.0mm, and it is produced by continuous integral die drawing.

[0017] 2. Determine the drawing process. According to the calculation, the cross-sectional area of ​​the Z5 (AB1-T) special-shaped steel wire is 18.54mm2, and the calculated total compression rate is 76.4%. In order to ensure the uniform deformation of the special-shaped steel wire and achieve smooth drawing, 8 drawing passes are designed to calculate the average partial compression The rate is 16.5%. In order to reduce the e...

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Abstract

The invention relates to a special-shaped steel wire production method, which is a continuous overall die-drawing production method for special-shaped steel wires. It uses a rotating mold box to position the special-shaped mold to ensure that the special-shaped mold has the same outlet mode, and passes the special-shaped surface of the steel wire between the upper and lower passes. Adjust the direction of the mold by itself to ensure the accuracy of the shape and size of the steel wire to meet the changes in the size and compression rate of the steel wire during the production process. The gripper of the subsequent reel is polished to ensure that the size of the subsequent special-shaped surface of the steel wire is getting smaller and smaller. The performance and size of the steel wire can meet the plastic deformation required by the gripper. The method improves product quality, reduces production procedures, shortens production cycle, improves production efficiency and reduces production cost.

Description

technical field [0001] The invention relates to a production method of a special-shaped steel wire, in particular to a continuous die-drawing production method of a special-shaped steel wire, which belongs to the technical field of metal product processing. Background technique [0002] The production methods of special-shaped steel wire usually adopt roll drawing, rolling, drawing-rolling combination, etc. The above production methods have their own advantages and disadvantages, but they all have irregular shapes, large fluctuations in dimensional tolerances, poor surface quality, and poor passability. equal quality issues. For example, the current special-shaped steel wire used in the production of sealed steel wire rope adopts cyclic heat treatment and rolling production method. The special-shaped steel wire produced by this method has low dimensional accuracy, poor performance of the steel wire, and many production cycles, resulting in loose buckle between the steel wir...

Claims

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Application Information

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IPC IPC(8): B21C1/02B21C3/02
Inventor 杨程张宗前江渝吴光虎夏楠
Owner GUIZHOU WIRE ROPE
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