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Method for laser cutting of 0.5 mm titanium alloy

A laser cutting, titanium alloy technology, applied in laser welding equipment, welding/welding/cutting items, metal processing equipment, etc., can solve the problem of missing cutting process window, etc., to achieve low cost, extended maintenance period, fast cutting speed. Effect

Inactive Publication Date: 2021-01-15
GUANGDONG UNIV OF PETROCHEMICAL TECH
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  • Summary
  • Abstract
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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

[0018] Purchase 0.5mm 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 cut process parameters As follows: cutting speed is 15m / min; laser power is 1.5kW; gas pressure is 1.2MPa; defocus is -0.5mm; working distance is 1.0mm; cutting nozzle diameter is 1.0mm; 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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PUM

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Abstract

The invention relates to a method for laser cutting of a 0.5 mm titanium alloy. The method comprises the steps: (1) removing greasy dirt and dust on the surface of the titanium alloy; and (2) cuttinga titanium alloy panel with the thickness of 0.5 mm by using a ProCutter laser cutting gun, wherein the technological parameters are as follows: the cutting speed is 14-16 m / min; the laser power is 1-2kW; the gas pressure is 1-1.5 MPa; the defocusing amount is -1-0 mm; the working distance is 0.8 to 1.2 mm; the diameter of a cutting nozzle is 0.8 to 1.2 mm; and cutting gas is argon. According to the method, the process stability can be guaranteed, and the method is repeatable, safe, stable and reliable, and a kerf is smooth, level, free of adhering slag and good in quality.

Description

technical field [0001] The invention relates to a method for cutting titanium alloy, in particular to a method for laser cutting 0.5mm titanium alloy. 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 process. During thermal processing, it is ...

Claims

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Application Information

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IPC IPC(8): B23K26/38B23K26/60B23K103/14
CPCB23K26/38B23K26/60B23K2103/14
Inventor 王吉孝
Owner GUANGDONG UNIV OF PETROCHEMICAL TECH
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