Flux-cored wire preparation equipment and method based on electroplastic principle

A technology of flux-cored welding wire and electroplasticity, which is applied in welding equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of restricting the research and development and manufacturing of new flux-cored welding materials, serious work hardening, and increase production cost, and achieve low cost. , the effect of eliminating work hardening and high production efficiency

Pending Publication Date: 2022-05-03
XIAN UNIV OF TECH
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Problems solved by technology

In order to carry out high-quality welding of titanium-based, nickel-based, copper-based and other materials, it is necessary to prepare corresponding flux-cored welding wires. It is more serious and has poor plasticity, which leads to easy wire breakage during the wire drawing process, and continuous annealing treatment is required, which seriously reduces production efficiency, increases production costs, and restricts the development and manufacture of new flux-cored welding materials

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  • Flux-cored wire preparation equipment and method based on electroplastic principle

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preparation example Construction

[0031] The present invention also provides a method for preparing flux-cored welding wire based on the principle of electroplasticity, using the above-mentioned preparation equipment for flux-cored welding wire based on the principle of electroplasticity, characterized in that the specific steps are as follows:

[0032] Step 1: Place the alloy strip on the strip device 3, connect the positive and negative poles of the first electric pulse processing equipment 1 to the alloy strip, turn on the first electric pulse processing equipment 1 installed on the rolling device 4, and turn it Adjust to appropriate parameters, conduct electric pulse assisted pre-rolling on the length of 0.5m ~ 1m at the front end of the alloy strip;

[0033] In step 1, the alloy strip is an iron-based alloy strip, copper and its alloy strip, nickel and its alloy strip, or titanium and its alloy strip.

[0034] In step 1, the electric pulse processing parameters are: frequency 150Hz-700Hz, current density ...

Embodiment 1

[0040] Step 1: Place the 316 stainless steel strip on the strip device 3, connect the positive and negative poles of the first electric pulse processing equipment 1 to the alloy strip, turn on the first electric pulse processing equipment 1 installed on the rolling device 4, and place the It is adjusted to appropriate parameters, and electric pulse-assisted pre-rolling is performed on the length of 1m at the front end of the alloy strip. The electric pulse processing parameters are: frequency 300Hz, current density 40A / mm 2 ;

[0041] Step 2: pass the pre-rolled alloy strip through the mold 67, fix it on the wire receiving device 7, and connect the positive and negative poles of the second electric pulse processing device 2 to the alloy strip;

[0042] Step 3: Simultaneously open the drawing device 6, the first electric pulse processing equipment 1, the second electric pulse processing equipment 2, and the powder filling device 5, and perform electric pulse-assisted rolling an...

Embodiment 2

[0046] Step 1: Place the pure copper strip on the strip device 3, connect the positive and negative poles of the first electric pulse processing device 1 to the alloy strip, turn on the first electric pulse processing device 1 installed on the rolling device 4, and place the It is adjusted to appropriate parameters, and electric pulse-assisted pre-rolling is performed on the length of 1m at the front end of the alloy strip. The electric pulse processing parameters are: frequency 250Hz, current density 38A / mm 2 ;

[0047] Step 2: pass the pre-rolled alloy strip through the mold 67, fix it on the wire receiving device 7, and connect the positive and negative poles of the second electric pulse processing device 2 to the alloy strip;

[0048]Step 3: Simultaneously open the drawing device 6, the first electric pulse processing equipment 1, the second electric pulse processing equipment 2, and the powder filling device 5, and perform electric pulse-assisted rolling and drawing on th...

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Abstract

The invention discloses flux-cored wire preparation equipment based on the electroplastic principle. The flux-cored wire preparation equipment comprises a wire drawing machine, and the wire drawing machine is composed of a belt unwinding device, a rolling device, a powder filling device, a drawing device and a wire winding device; first electric pulse processing equipment is arranged above a rolling device of the wire drawing machine, and second electric pulse processing equipment is arranged above a drawing device of the wire drawing machine. The equipment can reduce deformation stress in the rolling and drawing process of the flux-cored wire, eliminate work hardening, improve the plastic deformation capacity and reduce the brittle failure phenomenon in the drawing process of the flux-cored wire. The invention further discloses a preparation method of the flux-cored wire based on the electroplastic principle.

Description

technical field [0001] The invention belongs to the technical field of preparation of flux-cored welding wires, and in particular relates to a preparation equipment for flux-cored welding wires based on the principle of electroplasticity, and also relates to a method for preparing flux-cored welding wires by using the equipment. Background technique [0002] In today's society, welding is an important material joining method and an indispensable advanced manufacturing technology in the rapid development of manufacturing industry. It is also one of the most widely used and fastest-growing material processing methods in the industrial field. At present, in addition to traditional metal materials, various plastics, ceramics, wood, etc. can also be connected by welding methods; welding technology has its place in almost all industrial sectors. Welding wire is a commonly used welding material in welding, which is divided into two types: solid cored wire and flux cored wire. Diff...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/02B21C37/04
CPCB23K35/0266B21C37/047
Inventor 李继红雷龙宇杜明科夏拓张敏
Owner XIAN UNIV OF TECH
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