Alloy wire straightening method and system and application

Abstract

The invention belongs to the technical field of titanium alloy wires, and discloses an alloy wire straightening method and system and an application. Feeding is performed by a feeding device, and an alloy wire is stably led into a right clamping device through an inlet pinch roller device; a left clamping and fixing device pulls the alloy wire out of the right clamping device through a left chuck,moves to the left end, and stops at a first limited position; when the left clamping and fixing device reaches the first limited position, a right chuck begins to clamp the alloy wire; the left clamping and fixing device continues to move leftward, so that the alloy wire has a certain tension; the alloy wire is heated to straightening temperature, and the temperature is fed back by a temperaturemeasuring system; the left and right chucks carry the alloy wire to rotate clockwise or counterclockwise on the cross section to eliminate internal stress of the alloy material. The straightened titanium alloy wire has good straightening effect, and straightness is smaller than or equal to 0.5 mm / m. The method and system can straighten a plurality of wires simultaneously, and are simple and convenient to operate and have high production efficiency.

Description

technical field [0001] The invention belongs to the technical field of titanium alloy wires, and in particular relates to a straightening method, straightening system and application of alloy wires. Background technique [0002] At present, due to the advantages of high specific strength, excellent corrosion resistance, and non-magnetic properties of titanium alloys, titanium alloy wire rods are the most potential deformation metal materials, mainly divided into wire rods for structural parts and wire rods for welding, which are widely used In the fields of aviation, aerospace, ships, nuclear industry, petroleum, chemical industry, medical treatment, etc., the bending deformation of raw materials has a great influence on the processing of subsequent products. Titanium alloy wire has a high yield ratio (between 0.9 and 1) and a low elastic modulus (<120GPa), so the straightening process is prone to large elastic deformation and fracture, and straightening is relatively dif...

AI Technical Summary

Problems solved by technology

[0004] Through the above analysis, the existing problems and defects of the existing technology are: (1) Cold straightening such as drum straightening and roller straightening, although the production efficiency is high, but the yield performance of the material is lost to a certain extent, which cannot meet the requirements of the later stage. Product quality requirements; cold straightening produces processing residual stress on the wire, and it is prone to deformation during storage and transportation, which is not conducive to later machining

[0005] (2) Although thermal straightening can improve the straightness of the wire, the heating efficiency of the current resistance furnace is low, the temperature of the wire reaches the straightening temperature is relatively slow, and the production efficiency is relatively low; the tension control of continuous traction, the tension fluctuation is relatively large, and it is not suitable for straight lines. The degree of instability has a great impact on

[0006] The difficulty in solving the above problems and defects is: in order to obtain titanium alloy wires with superior straightness and performance, the processing stress generated by processing must be avoided during the straightening process, so that the current straightening method of high wire cannot be used for straightening. In order to improve the production efficiency, the heating efficiency and tension temperature must be improved at the same time.

Images