The definition of filing is to file off the excess metal on the surface of the workpiece with a file, so that the workpiece can reach the required size, shape and surface roughness on the drawing. This operation is called archiving.

Filing can be used to process complex curved surfaces such as plane, curved surface, internal and external cambered surface, etc., and can also be used to trim forming templates, molds, cavities and workpieces during assembly of parts and machines.

Extended data:

When filing, we should correctly grasp the grip and force change of the file. When filing, people should stand at a 45-degree angle with the vice, with their left feet in front and their right feet behind. His body leans forward slightly 15, his left leg bends slightly, his right leg stands straight, and his posture is naturally relaxed.

When using large files, hold the file handle with your right hand and hold it with your left hand to keep it horizontal. When using a medium-sized file, the thumb and forefinger of the left hand hold the front end of the file and guide the file to move horizontally.

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