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Continuous annealing apparatus and annealing method of titanium and titanium alloy coiled wire material

An annealing device, a technology for titanium alloys, applied in furnaces, heat treatment equipment, heat treatment furnaces, etc., can solve the problems of uneven annealing of titanium and titanium alloy coiled wires, and achieve continuous and uniform annealing, avoiding deformation and distortion, and uniform performance. Effect

Active Publication Date: 2013-12-25
西安赛特思迈钛业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to provide a continuous annealing device for coiled wires of titanium and titanium alloys to solve the problem of uneven annealing of coiled wires of titanium and titanium alloys existing in the prior art

Method used

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  • Continuous annealing apparatus and annealing method of titanium and titanium alloy coiled wire material
  • Continuous annealing apparatus and annealing method of titanium and titanium alloy coiled wire material
  • Continuous annealing apparatus and annealing method of titanium and titanium alloy coiled wire material

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Effect test

Embodiment 1

[0047] Example 1, pure titanium wire: TA1, Φ4.5mm, coiled wire with a coil weight of 20kg and a length of 280m is annealed to perform the above-mentioned annealing method of the present invention, with a heating temperature of 680°C and a speed of 9m / min; for the annealed Six sections of pure titanium wire were randomly sampled at the head, middle, and tail respectively. After testing, the mechanical properties at room temperature are shown in Table 1; the microstructures of samples 2, 4, and 6 are as follows: figure 1 , 2 , 3 shown.

[0048] Table 1. Mechanical properties of Φ4.5mm TA1 pure titanium wire at room temperature after continuous annealing

[0049]

Embodiment 2

[0050] Example 2: α+β-type titanium alloy wire, TC4 (Ti-6Al-4V), Φ1.5mm, coil weight 5kg, length 500m Coiled wire annealing Perform the above-mentioned annealing method of the present invention, and the heating temperature is 890°C , speed 22m / min. The annealed α+β-type titanium alloy wire was randomly sampled at 10 sections at the head, middle and tail respectively for testing, and its properties are shown in Table 2; the microstructures of samples 2, 4, 8, and 10 are as follows figure 2 shown.

[0051] Table 2. Mechanical properties of Φ1.5mm TC4 titanium alloy wire at room temperature after continuous annealing

[0052] parts

[0053] 6

[0054]It can be seen from the test results in Table 1 and Table 2 that after the wire material is annealed by the annealing method of the present invention, its performance is uniform and the consistency is very good.

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Abstract

The invention provides a continuous annealing apparatus and an annealing method of titanium and titanium alloy coiled wire material. The continuous annealing apparatus of titanium and titanium alloy coiled wire material comprises a heating mechanism and a continuous conveying mechanism, wherein, the heating mechanism comprises a box type heating furnace, and the continuous conveying mechanism comprises an internally fixed steel pipe of a wire material furnace, two sets of fixed pulleys and a continuous multiple winding wire rotating mechanism; the internally fixed steel pipe of the wire material furnace is equipped in the box type heating furnace, and the two sets of fixed pulleys are respectively arranged at two ends of the box type heating furnace, and are kept at the same horizontal line of the center line of the internally fixed steel pipe of the wire material furnace. The processed wire materials cross the heating furnace at a uniform speed, can be continuously and multiply wound, thereby realizing continuous and uniform annealing of wire materials with simple structure and good working reliability. The annealing method provided by the invention can be used for continuous and uniform constant temperature heating of single wire material, and during the moving process of wire material, the speed is constant, the heating is uniform, and the obtained wire material has uniform performance.

Description

technical field [0001] The invention belongs to the technical field of annealing of titanium and titanium alloys, and relates to a continuous annealing device for coiled wire materials of titanium and titanium alloys, and also relates to an annealing method of the annealing device. Background technique [0002] In recent years, due to the rapid development of the electronic product industry, small-sized titanium and titanium alloy wires (Φ1.5-Φ4.5mm) have been used as raw materials for fasteners such as screws due to their light weight, high specific strength, and good corrosion resistance. It is used for connecting and fixing motherboard accessories of electronic products such as mobile phones and tablet computers. This not only requires uniform performance of the entire batch of applied materials, but also uniform performance of the bearing surface when used as a small screw. The heat treatment and annealing process of small gauge wire has a decisive influence on its prop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22F1/18C21D9/56
Inventor 魏芬绒李雷樊亚军陈志宏曹继敏王海崔文俊王颖萍
Owner 西安赛特思迈钛业有限公司
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