In manufacturing and processing, many parts will have a certain Angle of bevel processing due to the design structure, which is essential in automobile manufacturing, industrial and agricultural machinery and ships. The machining groove is mainly for the next welding process, and the groove is processed and assembled into a certain geometric shape at the part to be welded in the welding part, and the welding seam can be fully welded in the welding thickness.

The groove processing mainly adopts flame, plasma and other processing methods, and the common groove forms are V-shaped groove, U-shaped groove, X-shaped groove and Y-shaped groove. These processing methods will produce deep cut marks when cutting the groove, if not eliminated before welding, it is easy to cause the groove is not fused. Generally, this dent more than 3mm must be dealt with, in an important position, can only be eliminated by grinding, can not be allowed to repair welding, defects when the subsequent processing is very troublesome. At the same time, flame and plasma processing belong to high heat processing, metal sheet is easy to produce thermal deformation, and the anti-deformation process needs to be carried out after the groove processing, which is another difficult point.

Laser processing is the smallest thermal deformation, the best notch quality of a new type of bevel processing means, laser bevel cutting machine processing steel plate within 20mm, can complete V, X, Y and other forms of bevel, compared with the traditional flame, plasma bevel processing, laser bevel cutting greatly improve the processing efficiency, to ensure the quality of the bevel, but also to save materials. For example, laser bevel cutting is used in shipbuilding to process T-shaped components of low alloy steel, which can greatly reduce the weight while ensuring the stability of the ship.

With the promotion of major projects such as railway construction, highway construction, water conservancy construction, hydropower construction, energy, mining construction, construction industry in China, the demand for construction machinery market has increased year by year, and bevel laser cutting machine has been widely used in China's construction machinery industry. Especially with the large-scale construction machinery, the need to use higher strength of low-alloy high-strength steel structure, in order to ensure that the welded joint has good toughness, must reasonably control the welding heat action, to avoid the welding joint embrittlement, the traditional hot processing method has been unable to adapt to the current high-strength steel plate forming, the construction machinery industry to introduce laser bevel cutting machine is the right choice.