Analysis of three kinds of reinforcement methods commonly used in prototype model of cnc machining center

analysis of three kinds of reinforcement methods commonly used in the prototype model of cnc machining center

some load weights are relatively large and alternating load parts, because there will be certain defects on its surface, there will be a certain residual tensile stress, which will have a bad impact on the use of parts. Some parts will be strengthened by pressing light, rolling and other processes to effectively improve the surface of the parts. When the tensile stress of the part is reduced, its wear resistance and corrosion resistance can also be effectively improved. When strengthening the surface of the prototype model, there are mainly the following technological forms.

1. Rolling Processing

can use quenching as well as rollers or rolling balls after fine grinding, the surface of the prototype model is rolled at normal temperature, so that plastic deformation occurs. After rolling, the roughness of the surface of the prototype model can be effectively improved. In addition, the cold and hard layer and residual pressure stress can also effectively improve its bearing capacity and fatigue strength.

2, shot blasting strengthening

It is an impact on the prototype surface using a very fast bead pill, let it appear cold hard layer and residual pressure stress. It can obviously improve the fatigue strength of the part and the time of use. The material of the bead pill can be cast iron, and the key wire state can also be used. If some workpieces are made of aluminum, in order to avoid corrosion caused by some iron particles above, aluminum balls or glass balls can be used. This reinforcement process is especially suitable for application in cases where some collisions are more complicated and cannot be carried out by other methods.

3, Diamond Crush process

It is a way to press the prototype model with cylindrical or spherical diamond. Through this process, the surface quality of the workpiece can be improved effectively by production efficiency, and the prototype can also have better fatigue strength.

various processing processes can improve the performance of the prototype model, in the processing, we can find a more suitable way for the application of the prototype and the actual defects. The prototype model can be effectively improved in all aspects.

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