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Method for laser cutting of 1mm titanium alloy

A laser cutting, titanium alloy technology, applied in laser welding equipment, metal processing equipment, welding equipment and other directions, can solve the problem of missing cutting process window and other problems, achieve the effect of low cost, beautiful cutting seam shape, and guarantee on-time delivery

Inactive Publication Date: 2021-04-02
GUANGDONG UNIV OF PETROCHEMICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Based on the above reasons, it is of great significance and practical value to obtain high-quality slits by other cutting methods. At present, there is no optimal cutting process window for titanium alloys with this plate thickness.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0017] Purchase 1mm titanium alloy plate, remove oil and dust on the surface, position the plate, debug laser related equipment, check whether the cutting head lens needs to be replaced, whether the cutting nozzle is damaged, adjust the defocus, set the manipulator parameters, prepare argon gas, and the cutting process parameters are : The cutting speed is 18m / min; the laser power is 3.5kW; the gas pressure is 1.6MPa; the defocus is -1mm; the working distance is 0.8mm; the cutting nozzle diameter is 1.4mm; the cutting gas is argon. Prevent the cutting head from hitting obstacles during the cutting process, and keep away from flammable objects during the cutting process to ensure equipment and personal safety.

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Abstract

The invention relates to a method for laser cutting of 1mm titanium alloy. The method comprises the following steps: (1) removing oil stains and dust on the surface of the titanium alloy; and (2) adopting a ProCutter laser cutting gun to cut the titanium alloy plate with the thickness of 1mm, wherein the technological parameters are as follows: the cutting speed is 15-20m / min; the laser power is 3-4kW; the gas pressure is 0.8 to 2.0MPa; the defocusing amount is -1 to 0mm; the working distance is 0.6 to 1.0mm; the diameter of a cutting nozzle is 1.0-1.5mm; and cutting gas is argon. When the method is used for cutting the titanium alloy, no slag adheres to the back face of a kerf, the kerf quality is good, the process is stable, and repeatability is achieved.

Description

technical field [0001] The present invention relates to a laser cutting method of 1mm titanium alloy, specifically a cutting method of laser cutting + 1mm titanium alloy plate + argon gas. Background technique [0002] TC4 titanium alloy is a dual-phase alloy with good comprehensive properties, good structural stability, good toughness, plasticity and high-temperature deformation properties, and can be processed by hot pressure well, and can be quenched and aged to strengthen the alloy. The strength after heat treatment is about 50% to 100% higher than that of the annealed state; the high temperature strength is high, and it can work for a long time at a temperature of 400°C to 500°C, and its thermal stability is inferior to that of α-titanium alloy. [0003] Titanium alloy has high strength and low density, good mechanical properties, good toughness and corrosion resistance. In addition, the process performance of titanium alloy is poor, and it is difficult to cut and proc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/38B23K26/12B23K26/70
CPCB23K26/38B23K26/123B23K26/70
Inventor 王吉孝
Owner GUANGDONG UNIV OF PETROCHEMICAL TECH
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