Q: What are the characteristics of the deep processing of sintered Nd-Fe-B magnets? The deep processing process of sintered Nd-Fe-B magnets is: Magnet blank----outer contour finishing----cutting----finishing----chamfering----plating----inspection, testing----finishing the outer contour of finished magnet Typically done with a centerless grinder (cylindrical magnet) or a surface grinder (square magnet) to provide the preform magnet with a regular profile and to a specified geometry; The cutting process is to cut the finished blank magnet into a shape and size close to the finished product by using a diamond inner circular slicer or a wire cutter; The refining process is to process the size and shape tolerance of the magnet to the finished product by using a surface grinder, a double-sided grinder or other grinder for the cut magnet; The chamfering is a pre-treatment step before electroplating to alleviate the uneven thickness of the plating layer due to the relatively concentrated current density during the electroplating process. Since the conventional sintered Nd-Fe-B finished magnets are small in size and different in shape, the free-rolling finishing process is most suitable for high-volume chamfering of the product. Free-rolling and finishing technologies include: vibratory roller finishing, vortex roller finishing, centrifugal roller finishing, and spindle-type roller finishing. Among them, the vibrating barrel finishing has high production efficiency and fast chamfering speed, and has been widely used by the deep processing manufacturers of sintered Nd-Fe-B magnets; Electroplating is to form a protective layer for the magnet on the surface of the magnet, which is usually achieved by a free barrel plating process. For larger magnets, a plating process is used. Exterior visual environment and the coating sintered magnet Nd-Fe-B magnets in claim partial plating Ni, plating Zn, phosphide, electrophoresis, alloy plating, composite plating. In addition to electroplating, the surface protective layer of sintered Nd-Fe-B magnets also has physical vapor deposition (PVD) method, and physical vapor deposition is divided into three types: evaporation, sputtering, and ion plating, which can form Al, Zn, Cr, etc. Plating; chemical vapor deposition (CVD) can form nitrides and carbide coatings of Ti, Cr, and the like. In addition, the sintered Nd-Fe-B magnet can also be obtained by surface chemical passivation, electroless plating, hot dipping, thermal spraying or the like to obtain various surface protective layers. The inspection and testing procedures are to test the specifications of the finished product such as the size and shape tolerance of the magnet, the appearance state, the corrosion resistance of the coating, and the magnetic properties. Water Pump Pulley,Steel Stretched Pump Pulley,Engine Water Pump Pulley,Auto Water Pump Pulley Taizhou Chenhui Machinery Manufacturing Co., Ltd , https://www.chenhuipulley.com