The CNC processing factory briefly describes two ways to improve the quality of prototype models

The quality of the prototype model, it will directly affect the quality, output, cost of products, the cycle of new product production and the replacement of old products, the adjustment speed of enterprise product structure and market competition, therefore, the economic situation puts forward higher and higher requirements for the quality of the prototype model. How to improve the quality of prototype model more reasonably is the key to the leap of manufacturing industry. How can the prototype model produce qualified parts for a longer and more multi-mode time under high precision, low cost and high efficiency conditions. This has become the focus of attention. The quality of the prototype model includes the following four aspects: (1) Product Quality: stability, conformity of product size, finish of product surface, utilization rate of product materials, etc; (2) service life: on the premise of ensuring the quality of the product, the number of work cycles that the prototype model can complete or the number of parts produced; (3) use and maintenance of prototype model: whether it is convenient to use, easy to demoulding, and as short as possible for production assistance; (4) maintenance cost, maintenance cycle and so on. The basic way to improve the quality of the prototype model: (1) the design of the workpiece should be reasonable, and a good structural scheme should be selected as much as possible, the designer of the part should take into account the technical requirements of the part and its structure must conform to the technology and feasibility of the prototype model manufacturing. (2) the design of the prototype model is an important step to improve the quality of the prototype model. Many factors need to be considered, including the selection of prototype model materials, the usability and safety of the prototype model structure, the machining of prototype model parts and the convenience of prototype model maintenance should be considered as much as possible at the beginning of the design. The selection of prototype model materials should not only meet the customer's requirements for product quality, but also take into account the cost of materials and their strength during the set period, of course, it is necessary to select materials according to the type of prototype model, working mode, processing speed, main failure form and other factors. For example, the main failure form of the punching die is the wear of the cutting edge, and the material with high surface hardness and good wear resistance should be selected; The mold is mainly subjected to periodic loads, which can easily cause surface fatigue cracks and cause surface peeling, so it is necessary to select materials with good surface toughness; The drawing die should choose a material with a particularly low friction coefficient.

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