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What are the manufacturing processes of electronic scale mould

Source:m.jinanboao.com      Release date: 2025-04-07
The manufacturing process of electronic scale mould mainly includes the following: 1. CNC milling: This is one of the most commonly used processing methods in the manufacture of electronic scale mold. By writing the NC program, controlling the cutter of the milling machine to cut the mold blank according to the predetermined trajectory, the complex shapes of the mold cavity, core, parting surface
The manufacturing process of electronic scale mould mainly includes the following:
1. CNC milling: This is one of the most commonly used processing methods in the manufacture of electronic scale mold. By writing the NC program, controlling the cutter of the milling machine to cut the mold blank according to the predetermined trajectory, the complex shapes of the mold cavity, core, parting surface and so on can be processed correctly, ensuring high machining accuracy and surface quality, and processing various mold materials with different hardness.
2. EDM: EDM is an effective machining method for some mold parts with complex shape and difficult to be completed by traditional machining methods, such as narrow slots, deep grooves, sharp corners and other features. It uses the high temperature generated by the pulse discharge between the electrode and the mold workpiece to locally melt or vaporize the workpiece material, so as to achieve the purpose of removing materials, and can process high hardness and high strength conductive materials.
3. wire cutting: mainly used for cutting the inner contour of the mold, precision holes and some parts with special shapes. The principle is to use the moving fine metal wire (electrode wire) as the tool electrode, apply pulse current between the electrode wire and the workpiece, produce EDM corrosion, and cut the workpiece into the required shape and size, with high machining accuracy, which can reach ± 0.01mm or even higher.
4. grinding: used for finishing the surface of the mold to improve the surface finish and dimensional accuracy. Including surface grinding, cylindrical grinding, internal grinding and other methods, the appropriate grinding method can be selected according to the specific shape and requirements of mold parts. For example, surface grinding can be used to process the parting surface of the mold and the surface of the template, so as to meet the requirements of high flatness and surface roughness.
5. drilling and tapping: process various mounting holes, cooling holes, threaded holes, etc. on the mold. Drilling is to use a drill to process a circular hole on the die blank, while tapping is to process a thread in the drilled hole to install screws, pins and other parts, so as to ensure that all parts of the die can be correctly assembled.
6. heat treatment process: in order to improve the hardness, wear resistance, toughness and other properties of the mold, the mold needs heat treatment. Common heat treatment processes include quenching, tempering, nitriding, etc. Quenching can improve the hardness and strength of the die, tempering can eliminate the quenching stress and improve the toughness; Nitriding treatment can form a nitriding layer with high hardness and good wear resistance on the surface of the die, and improve the wear resistance, corrosion resistance and demoulding performance of the die.
7. surface treatment process: in order to further improve the performance and service life of the mold, the mold will be surface treated. For example, hard chromium plating can improve the hardness and wear resistance of the mold surface, reduce the friction coefficient, and is conducive to the demoulding of plastic parts; Nickel plating and electroless plating can improve the corrosion resistance and decoration of the mold. In addition, there are nitriding, PVD (physical vapor deposition), CVD (chemical vapor deposition) and other surface treatment methods, which can be selected according to the specific requirements of the mold.
8. mold assembly process: assemble the processed mold parts according to the design requirements to form a complete mold. During the assembly process, it is necessary to strictly control the assembly accuracy of each part, such as the fit gap between the core and cavity, the motion accuracy of the ejection mechanism, etc., to ensure that the mold can work normally. At the same time, it is also necessary to debug and test the mold, check whether the performance indicators of the mold meet the requirements, and timely adjust and improve the problems found.
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