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mold polishing tools
Common tools for mold polishing are Sandpaper, oilstone, felt wheel, abrasive paste, alloy trowel, diamond grinding needle, bamboo, fiber whetstone, round rotary grinding machine. Sandpaper: 150#, 180#, 320#, 400#, 600#, 800#, 1 000#, 1 200#, 1 500#; Whetstone: 120#,220#,400#,600#; Felt
Common mould polishing methods and working principle mechanical polishine Mechanical mould polishing is a polishing method that removes the convex surface of the surface of the workpiece by cutting or plastically deforming the surface of the material to obtain a
How to identify plastic material
The following are the identification methods of several commonly used plastic materials: First, the appearance identification method (1) PE, PP, PA, etc. have different bendability, the hand touches with a hard waxy slip, and there is a soft horny sound
refrigerator drawer cover mould testing and making
refrigerator drawer cover mould testing and making refrigerator drawer cover mould testing and making made by Ningbo Mingyu Mould. MINGYU Mould is quite experienced on making kinds of refrigerator mould,such as, drawer, drawer cover, egg insert,support frame of compressor,etc.
paint bucket mould making and testing
paint bucket mould making and testing there are different speification of paint bucket mould, such as 5L,8L,10L,15L,18L,20L,etc. this time we designed and made the paint bucket mould for 18L capacity. P20 or 718 steel used for the mold core
Basic structure of injection mold
Basic structure of injection mold The structure of the injection mold is determined by factors such as the form of the injection machine and the complexity of the part. Regardless of its complexity, all injection molds can be divided into