Titanium alloy wire production method

A titanium alloy wire and production method technology, applied in the direction of wire drawing dies, etc., can solve problems such as not easy to expose, easy to scratch the surface of the wire, and low yield, so as to ensure dimensional accuracy and surface quality, improve the working site environment, The effect of reducing production costs

Active Publication Date: 2013-07-10
BAOJI TITANIUM IND CO LTD
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Problems solved by technology

[0002] Titanium alloy has unique physical and chemical properties. When titanium alloy wire is hot-drawn, the surface is coated with a layer of graphite emulsion and then heated at 500°C to 800°C before drawing. Not only the production cost is high, but the dimensional accuracy is poor. Moreover, the surface defects of the wire coated with graphite milk are not easy to be exposed, which affects the quality of the finished wire material. At the same time, due to the use of graphite milk for lubrication, the working environment of the hot drawing of titanium alloy wire cannot be effectively improved.
In addition, the cemented carbide mold used, the surface of the wire is easily scratched during drawing, the yield rate is low, and the product quality needs to be improved

Method used

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Embodiment Construction

[0019] combined with figure 1 , 2 An embodiment of the present invention is described: a production method of φ0.5mm TC4 titanium alloy wire.

[0020] Step 1: First, anneal the Φ6.5mm titanium alloy wire billet at an annealing temperature of 750°C to 800°C for 1 hour, then place the annealed Φ6.5mm titanium alloy wire billet on the rack; place the Φ5.7mm, Φ5 The wire drawing dies with a diameter of .0mm are installed in the fourth and fifth mold boxes of the linear wire drawing machine, and calcium-based wire drawing powder or sodium-based wire drawing powder is added into the mold box as a lubricant;

[0021] Step 2: Lead out the Φ6.5mm titanium alloy wire blank through the fourth and fifth wire drawing dies (Φ5.7mm→Φ5.0mm) for continuous cold drawing to make Φ5.0mm titanium alloy wire blank I, and make The titanium alloy wire blank I is annealed; the annealing temperature is 720°C-750°C, and the time is 45-50 minutes; the line speed of the cold drawing is 3 m / min.

[0022...

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Abstract

The invention discloses a titanium alloy wire production method. A titanium alloy wire is prepared by carrying out multi-die continuous cold-drawing on a titanium alloy wire blank by using a polycrystalline wire drawing die or high-crystalline wire drawing die, wherein calcium-based wire drawing powder or sodium-based wire drawing powder is used as a lubricating agent. By using the titanium alloy wire production method, the size precision and the surface quality of a finished product of the titanium alloy wire are ensured, the production efficiency is increased, and the environment of a working site is improved.

Description

technical field [0001] The invention belongs to the technical field of titanium alloy wire processing, and in particular relates to a production method of titanium alloy wire. Background technique [0002] Titanium alloy has unique physical and chemical properties. When titanium alloy wire is hot-drawn, the surface is coated with a layer of graphite emulsion and then heated at 500°C to 800°C before drawing. Not only the production cost is high, but the dimensional accuracy is poor. Moreover, the surface defects of the wire coated with graphite milk are not easy to be exposed, which affects the quality of the finished wire product. At the same time, due to the use of graphite milk for lubrication, the environment of the hot drawing work site of titanium alloy wire cannot be effectively improved. In addition, the cemented carbide mold used makes the wire surface easily scratched during drawing, the yield rate is low, and the product quality needs to be improved. Contents of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C9/02B21C3/02B21C1/04
Inventor 姜斌邵军范珂王鼎春屈征蒋纪新陶海林胥秀霞
Owner BAOJI TITANIUM IND CO LTD
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