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Design method and system for special-shaped cable drawing die

A design method and mold technology, applied in the direction of calculation, special data processing applications, instruments, etc., can solve the problems of inability to apply special-shaped cable drawing molds, lack of rich professional knowledge personnel, etc., to reduce the amount of calculation, reduce the workload, Effect of prolonging mold life

Active Publication Date: 2016-12-07
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention has a high degree of automation and can be applied to the processing and deformation of copper alloy pipes, enabling personnel lacking rich professional knowledge to formulate accurate and standardized processing techniques
However, this method cannot be applied to the design of special-shaped cable drawing dies

Method used

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  • Design method and system for special-shaped cable drawing die
  • Design method and system for special-shaped cable drawing die
  • Design method and system for special-shaped cable drawing die

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] Such as figure 2 As shown, the present embodiment provides a design method of a special-shaped cable drawing die, and the method is carried out through the following steps:

[0065] The first step, simulation optimization

[0066] Firstly, the geometric model of the mold and the rectangular wire is established in the preprocessing module of ANSYS Workbench; then the friction coefficient and the stress-strain data of the metal material obtained through the experiment are loaded into the model, and the limited mesh of the drawing process simulation can be obtained. Meta-model; during the simulation process, the bottom of the drawing die is imposed with fixed constraints, and an axial displacement load of -60mm is applied to the front end of the wire to simulate the applied drawing force. The drawing speed is set to 3m / s. The simulation time is 0.02s; the selected rectangular wire material is copper, and the initial cross-sectional area and elongation value of the wire a...

Embodiment 2

[0102] Such as Figure 4 , Figure 5 As shown, this embodiment provides a design method for a special-shaped cable drawing die, which is carried out through the following steps:

[0103] The first step, simulation optimization

[0104] Firstly, the geometric model of the mold and tile-shaped wire is established in the preprocessing module of ANSYS Workbench. Then the friction coefficient and the stress-strain data of the metal material obtained through the experiment are loaded into the model, and the finite element model of the drawing process simulation can be obtained by dividing the grid. During the simulation process, the bottom of the drawing die is imposed with fixed constraints, and an axial displacement load of -60mm is applied to the front end of the wire to simulate the applied drawing force. The drawing speed is set to 3m / s, and the simulation time is 0.02 s. The selected rectangular wire material is low-carbon steel, and the initial cross-sectional area and el...

Embodiment 3

[0141] This embodiment provides a design method for a special-shaped cable drawing die, which is carried out through the following steps:

[0142] The first step, simulation optimization

[0143] Firstly, the geometric model of the mold and the S-shaped wire is established in the preprocessing module of ANSYS Workbench. Then the friction coefficient and the stress-strain data of the metal material obtained through the experiment are loaded into the model, and the finite element model of the drawing process simulation can be obtained by dividing the grid. During the simulation process, the bottom of the drawing die is imposed with fixed constraints, and an axial displacement load of -60mm is applied to the front end of the wire to simulate the applied drawing force. The drawing speed is set to 1m / s, and the simulation time is 0.05 s. The selected S-shaped wire material is copper, and the initial cross-sectional area and elongation value of the fixed wire are selected, and the...

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Abstract

The invention provides a design method and system for a special-shaped cable drawing die. According to the method, based on simulation and artificial intelligence, a multi-pass drawing die matching design method that finite element simulation, an artificial neural network, a genetic algorithm and software modeling are combined is put forward, and the design method can guarantee partial and global load balancing of the die. By means of simulation, optimization and software design, optimal design is carried out on a hole pattern of the drawing die, the performance of the drawing die and drawing equipment can be given full play, for a high-speed automatic drawing production line, the service life of the die is greatly prolonged, the time for replacing and maintaining the die is shortened, the production efficiency is greatly improved, and the design method is very important for improving the economic benefits of the whole metal line and pipe drawing industry.

Description

technical field [0001] The invention relates to a design method in the technical field of molds, in particular to a design method and system for a load-balanced special-shaped cable drawing mold based on artificial intelligence and finite element analysis. Background technique [0002] Special-shaped cables are relative to circular cross-section wires, which are non-circular cross-section wires of various geometric shapes other than circular cross-sections. Special-shaped wire is widely used in aerospace, machinery, automobile, electronics industry and communication and other fields. As one of the seven strategic emerging industries, smart grid will promote the rapid development of my country's wire and cable industry. At the same time, the construction of new energy power stations, the development of equipment manufacturing, and the promotion of rail transit have also greatly expanded the new application fields of cables. Special-shaped wires are widely used in concentric...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/17
Inventor 沈彬林子超陈苏琳孙方宏王成川
Owner SHANGHAI JIAO TONG UNIV