The Use Method of Abrasive Belt and the Solution to the Problem

Ⅰ. Principles of use of abrasive belts

The quality of the workpiece can be guaranteed only if the abrasive belt is reasonably selected and used correctly, and the various problems in the use of the abrasive belt can be correctly solved, and the superiority of the abrasive belt grinding and the grinding performance of the abrasive belt can be exerted.

1. Reasonably choose the belt type

Different types of abrasive belts are selected for different workpiece materials and different workpiece shapes. The selection of abrasive belt types is mainly from the material of the machine body, the material of the abrasive, the type of binder and the method of the abrasive belt joint. aspect to choose.

2. Choose the right particle size

Only by selecting the appropriate abrasive belt particle size can the surface quality of the workpiece be ensured and the service life of the abrasive belt be improved. If the particle size of the selected abrasive belt is too small, the surface quality of the workpiece cannot be guaranteed; if the particle size of the selected abrasive belt is too large, the abrasive belt will be easily wrinkled and broken during use, which will reduce the service life of the abrasive belt.

3. Dudu selection of multi-pass abrasive belt grinding process

If a workpiece adopts multi-pass abrasive belt grinding process, the grain size of the abrasive belt used in the subsequent pass can only span two grain sizes compared with the previous pass. Only in this way can the high efficiency of abrasive belt grinding be exerted and the workpiece can be processed. The shape and size of the workpiece and the surface quality of the workpiece.

4. Selection of belt running direction

When using the lapped abrasive belt, the running direction of the abrasive belt should be the same as the direction marked on the back of the abrasive belt, otherwise the abrasive belt will easily break prematurely during use and affect the surface quality of the workpiece. When using the butt belt, the running direction of the belt can be ignored.

Ⅱ. Problems and solutions that are prone to occur in abrasive belt grinding

Only when the abrasive grains of the abrasive belt are basically dull and the abrasive belt loses its grinding performance, is the normal end of the service life of the abrasive belt.

However, in the actual abrasive belt grinding process, due to the poor quality of the abrasive belt, the poor quality of the workpiece, equipment problems and improper operation, the abrasive belt will also be scrapped when the abrasive particles are not blunt.

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