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Method for quickly calibrating cutting air pressure

A high-pressure and fast technology, applied in welding equipment, laser welding equipment, metal processing equipment and other directions, can solve the problems of affecting processing efficiency, waste gas, and time-consuming, so as to improve processing efficiency, reduce the time of pressure calibration, and save cutting. gas effect

Active Publication Date: 2019-11-08
上海柏楚电子科技股份有限公司
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  • Application Information

AI Technical Summary

Problems solved by technology

The traditional air pressure calibration generates an air pressure calibration curve by collecting multiple voltage points, which not only wastes gas, but also takes a long time, which affects processing efficiency

Method used

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  • Method for quickly calibrating cutting air pressure
  • Method for quickly calibrating cutting air pressure
  • Method for quickly calibrating cutting air pressure

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Embodiment Construction

[0027] The present invention will be further described below according to the accompanying drawings.

[0028] Such as figure 1 As shown, the gas 1 that needs to be corrected is opened by the corresponding switch 2 and enters the electropneumatic pressure reducing valve 3, and the output gas 4 enters the laser cutting head 6 to assist the laser 5 to process the material 8; the air pressure value in the processing process is determined by the air pressure The sensor 7 is sampled and acquired, and it is characterized in that: the method includes a single-channel gas correction method, a one-time correction method for all gas pressures,

[0029] Such as figure 2 As shown, the single-channel gas calibration method is as follows:

[0030] (11) Turn on the switch corresponding to the gas that needs to be calibrated, set the electropneumatic pressure reducing valve at the voltage Va, and obtain the pressure value Pa of the pressure sensor in the stable state, record A (Va, Pa);

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Abstract

The invention relates to the technical field of laser cutting, in particular to a method for quickly calibrating cutting air pressure. According to the method for quickly calibrating cutting air pressure, the gas to be corrected enters an electro-pneumatic pressure reducing valve by opening a corresponding switch, and the output gas enters a laser cutting head to assist the laser processing of materials; and the air pressure value of the processing process is sampled by an air pressure sensor. The method is characterized in that the method comprises a single path gas correction method and a one-time correction method for air pressure of all gas. Compared with the prior art, the method for quickly calibrating cutting air pressure is provided, and in the method, two suitable voltage positions of gas are selected, then, the air pressure values of the two points are obtained, and a straight line is generated through the two points; and then the air pressure value corresponding to the maximum voltage value is obtained, and through the horizontal line of the air pressure value and the generated straight line, the current pressure calibration curve is synthesized.

Description

technical field [0001] The present invention relates to the technical field of laser cutting, in particular to a method for quickly calibrating cutting air pressure. Background technique [0002] In laser processing, the pressure value of the auxiliary gas is an important parameter of the processing technology, which directly affects the processing effect, so the calibration of the processing gas pressure is an important function to ensure the processing technology. Different materials and different thicknesses are cut during the cutting process, and different nozzles are required. Every time the nozzle is replaced, the air pressure calibration must be done again. The traditional air pressure calibration generates an air pressure calibration curve by collecting multiple voltage points, which not only wastes gas, but also takes a long time, which affects processing efficiency. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the pr...

Claims

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Application Information

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IPC IPC(8): B23K26/14B23K26/38B23K26/70
CPCB23K26/14B23K26/38B23K26/70B23K26/702
Inventor 谢淼刘光辉
Owner 上海柏楚电子科技股份有限公司
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