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What are the characteristics of electronic scale molds

Source:www.03sh.cn      Release date: 2024-11-04
The characteristics of electronic scale molds are as follows: 1. High precision requirements: Dimensional accuracy: Electronic scales require accurate measurement of the weight of objects, and the dimensional accuracy of the components produced by their molds is relatively high. For example, the size deviation of components such as load-bearing trays and sensor installation positions must
The characteristics of electronic scale molds are as follows:
1. High precision requirements:
       Dimensional accuracy: Electronic scales require accurate measurement of the weight of objects, and the dimensional accuracy of the components produced by their molds is relatively high. For example, the size deviation of components such as load-bearing trays and sensor installation positions must be controlled within a very small range to ensure the measurement accuracy of electronic scales. If the precision of the mold is not sufficient, there may be errors in the size of the electronic scale components produced, which may lead to incorrect weighing results and affect the performance of the electronic scale.
      Shape accuracy: The cavity structure of the mold should be able to accurately shape the shape of electronic scale components, such as the shape of the shell, the shape of the buttons, etc. The guarantee of shape accuracy can make the appearance of the electronic scale beautiful, while also ensuring the assembly accuracy between various components, making the overall performance of the electronic scale more stable.
2. Complex structural design:
      Multi component combination: Electronic scales are usually composed of multiple components such as shells, trays, sensors, displays, circuit boards, etc. This requires molds to be able to produce these components with different shapes and functions, and these components need to be coordinated and installed correctly. For example, the shell mold needs to be designed with a structure that matches the internal circuit board, sensors, and other components to ensure smooth assembly of the electronic scale.
      Complex internal structure: The internal structure of electronic scales is relatively complex, and molds need to be designed with corresponding structures to meet these requirements. For example, in order to fix key components such as sensors, the mold may need to design specific card slots or fixing structures; In order to facilitate the layout of the circuit, it may be necessary to design outlet slots and other structures in the mold.
3. High wear resistance:
      Material selection: Electronic scale molds need to frequently come into contact with materials such as plastic and metal during the production process, so the mold material needs to have high wear resistance to ensure the service life of the mold. Commonly used mold materials such as alloy steel, hard alloy, etc., after special heat treatment and surface treatment, can improve the hardness and wear resistance of the mold.
      Surface treatment: In order to further improve the wear resistance of the mold, special treatments such as nitriding and hard chrome plating will be applied to the surface of the mold. These surface treatments can form a hard protective layer on the surface of the mold, reducing wear and tear during use and improving the lifespan of the mold.
4. Good demolding performance:
      Demoulding structure design: The parts produced by electronic scale molds usually have complex shapes, which brings certain difficulties to demolding. Therefore, the mold needs to be designed with a reasonable demolding structure, such as a top rod, slider, inclined top, etc., in order to smoothly remove the parts from the mold after injection molding. For example, for some electronic scale shell parts with a reverse buckle structure, a slider structure needs to be designed to achieve demolding.
      Design of demolding angle: The demolding angle of the mold cavity and core needs to be reasonably designed according to the shape of the part and the characteristics of the material. The demolding angle is too small, making it difficult for the parts to come out, which may cause damage to the parts or molds; Excessive demolding angle may affect the dimensional accuracy and appearance quality of the parts.
5. Suitable for molding with multiple materials:
      Plastic molding: The shell, tray and other components of electronic scales are usually made of plastic materials, and the molds need to adapt to different types of plastic molding processes, such as injection molding, blow molding, etc. Different plastic materials have different characteristics such as fluidity and shrinkage rate, and molds need to be designed and adjusted according to these characteristics to ensure the molding quality of plastic parts.
      Metal Forming: Some components of electronic scales, such as sensor brackets, connecting parts, etc., may require the use of metal materials. For metal forming molds, it is necessary to consider the processing technology and performance of the metal material. For example, stamping molds need to have sufficient strength and stiffness to withstand the stamping pressure of the metal material.
6. Strict quality control:
      Processing accuracy control: The processing of molds requires strict control of accuracy, including the processing accuracy and assembly accuracy of mold parts. During the processing, it is necessary to use excellent processing equipment and techniques, such as CNC machining, electrical discharge machining, etc., to ensure the accuracy requirements of the mold.
      Quality inspection: After the completion of mold production, strict quality inspection is required, including size inspection, shape inspection, surface quality inspection, etc. Only molds that have passed quality inspection can be put into use to ensure the production quality of electronic scales.
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