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How to remove the blemishes on the surface of the hand plate

by:Vowin Rapid Prototyping     2023-02-08
Whether it is in ordinary CNC machining or high-speed machining, it is inevitable to have knife marks when changing the tool during fine milling. These knife marks can be seen with the naked eye but cannot be touched by hand. Therefore, they need to be processed. The specific method is to use sandpaper. Grinding or polishing. Sandpaper comes in different grades, the lower the number the coarser the sand and the higher the number the finer the sand. When grinding, first use coarse sandpaper for grinding, and then use fine sandpaper, so that the polished hand plate will be smoother. If the order of the sandpaper is reversed, the effect will be greatly reduced. During this period, some ash spraying treatments can also be used to detect the effect and quality of artificial polishing. In order to obtain a workpiece that meets the requirements of precision and surface roughness in CNC machining, it needs to be very careful, and high efficiency and high precision require rich machining experience as support. However, if the control is not good, the knife marks and burrs can only be removed by manual grinding, and it is precisely because of this that the labor cost of the hand model is greatly increased.
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