Laser Application in Cutting Metal Pipes

09, 2018

by Site Editor

China is the largest producer and consumer of steel over the world. In recent years, in order to meet the processing requirements of the industrial market, various laser processing systems forpipe cutting have been introduced one after another. With the rapid growth of metal pipe production and consumption, advanced laser processing system solutions have been widely applied to pipes industrial production and processing, especially in the processing of stainless steel, alloy steel, silicon steel, galvanized steel, nickel-titanium alloy, Inconel, titanium alloys and other metal pipe processing applications.


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At present, although the pipe laser cutting equipment is rapidly popular in China, and the demand for numerical control cutting talents and laser cutting technology is rapidly increasing. Serious shortages and lags in laser cutting equipment and CNC cutting talents and processes have resulted in low cutting efficiency and poor cutting quality, the phenomenon of serious waste of the base metal has also been highlighted. For the main technical problems of laser cutting, we have listed some of the major technical considerations of the pipe industry for the reference of business owners.

 

Cutting blanking

For large-length metal pipe full-stroke automatic laser cutting blanking process requirements, in the mechanical structure using a unique double drive pneumatic chuck rotation mechanism, through the movement of the machine tool on the pipe cutting processing, along with the worktable axial movement along the workpiece, which can realize large-length metal pipe full-stroke automatic laser cutting and cutting.

 

CNC cutting

CNC cutting is a high-volume, high-efficiency and high-quality cutting production method for pipes. The core of CNC cutting is the CNC cutting system. It is the cutting control software of the index control system to provide advanced cutting technology experience, so that the operator can use the control system skillfully to achieve high-quality, high-efficiency CNC cutting.

 

Nesting software

First of all, through the professional pipe cutting software in advance on the computer drawing, nesting, cutting and programming subsection, NC cutting program generated, and then the full length of the metal pipe full length automatic laser cutting. Professional pipe nesting software is the basis and prerequisite for realizing high-volume, high-efficiency and high-quality cutting production of CNC pipe cutters.

 

Cutting process

When the pipe cutting (especially for small diameter pipe), the slag is attached to the inner wall of the pipe, most of the heat generated by the cutting is absorbed by the workpiece. When the cutting density is large, it often causes the pipe to overheat as well as the corners and the square pipe four. Burning of the corners severely affects the quality of the cuts and even cannot cut. Such problems can be adopted: keeping the focus of the cutting nozzle and the surface of the workpiece surface unchanged, so that the cutting effect is not affected by the change of the surface of the workpiece; the method of increasing the oxygen pressure; increasing the synthesizing speed of the sharp angle through software.

 

Now, laser tube cutting technology is now in a process of rapid development and continuous improvement. With the continuous update and development of computer technology, mechanical structure, cutting technology and optimization algorithms, CNC laser tube cutting technology will more prominently demonstrate its intelligence and speed. And optimized cutting processes and techniques, providing technical support for efficient cutting, high-quality cutting of laser pipe cutting machines, saving pipe materials and energy consumption.


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