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Application of Laser Cutting Machine in Construction Machinery Industry

Released on Nov. 20, 2020

The main application of CNC laser metal cutters in the construction machinery industry is sheet metal processing, and CO2 laser cutting machines or optical fiber cutting machines are generally used. Cutting applications mainly include slender workpieces, sheet metal parts with many holes, reserved process gaps for sheet metal parts, production of sheet metal templates, and drilling samples.

 

 Fiber Laser Cutting Machine

 

1. The application of 1kw fiber laser cutting machine in the slender workpiece

In addition, because the metal laser cutter generates more concentrated heat during cutting, the heat-affected zone on the workpiece is small. The laser cutting machine in the construction machinery industry can effectively control the thermal deformation of the workpiece, especially for thin and long parts that require straightness. The workpiece has a better effect. When the length of the workpiece reaches 5500mm or more, the "micro-connection" function of the laser metal cutting machine can be used to effectively control the straightness of the workpiece.

2. The application of 3d fiber laser cutting machine in sheet metal parts with many holes

In the construction machinery industry, laser cutting round holes, when facing a specific plate thickness, as long as the diameter size of the round hole of the workpiece is greater than or equal to the corresponding minimum diameter value, and the roughness and diameter size requirements are within the guaranteed capacity of the cutting machine The laser can be used for direct blanking, eliminating the need for drilling procedures and improving labor productivity. For some workpieces with many holes, the laser dot function is used to determine the position of the hole, which saves the time for positioning holes for the subsequent hole drilling process, and also saves the production cost of the drilling template, which not only improves production efficiency, And the accuracy of the product is improved.

 

 Fiber Laser Cutting Machine

 

3. The application of laser cutting in the process gap reserved for sheet metal parts

The process gap reserved for sheet metal parts is also called a crack arrest groove or process hole. In sheet metal production, the design of process gaps generally has three forms: the first is that two or more bending parts are adjacent, as shown in Figure 1; the second is that the bending part of a certain edge is partially complete in the length direction. Bend, as shown in Figure 2. For the second process gap, the traditional form is shown in Figure 2, leaving a × b rectangle. If you use a metal laser cutting machine to cut a slit of length directly at this position when cutting, for some requirements For relatively tall workpieces, the fiber laser cutter 1500w can directly reserve the form of slitting. In the third form, when the two ends of the sheet metal part cannot be supported on the lower die of the bending machine in a suspended position, the workpiece will deform. In this case, you can use the fiber cutting laser machine to predict the workpiece Leave a slit to prevent the workpiece from being deformed during bending.

 

 Fiber Laser Cutting Machine

 

4. The application of laser cutting in the production of sheet metal templates and drilling templates

For some sheet metal parts in the construction machinery industry, for some irregularly shaped workpieces, in order to improve the accuracy and efficiency of detecting the blanking parts, sheet metal laser cutters are used to make blanking detection templates, such as the support angles on the bulldozer ripper, and the bucket rod of the excavator. And the big head plate on the boom; for some rolled-formed workpieces, it is necessary to use a template that matches the arc to assist the production and inspection during the production and inspection of the workpiece. In order to improve the accuracy of workpiece production and the efficiency of inspection, it is usually Next, use laser cutting to produce prototypes of these workpieces, and use the marking function of the laser cutting machine to mark the boundaries of arcs and straight edges on the prototypes, such as the arc plate of a bulldozer, the stick and moving Bent plates and buckets of arms.

 


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