Factors Affecting The Stability Of The Mold And Stamping
How to improve the stability of the mold has become a realistic problem faced by mold manufacturing enterprises. Designer experience and skills play a key role in the design and manufacture of molds. Whether the design is reasonable or not can be confirmed by trial mode. The mold needs to be tried and modified repeatedly to complete the mold. In the production practice, once some molds are put into the production line, they often have various problems, which can not meet the production requirements or technical requirements of the products, resulting in abnormal shutdown of the production line, which brings many unstable factors.
Stability is divided into process stability and production stability. Process stability refers to a process plan that satisfies the stability of a qualified product; production stability refers to a production capacity with stability during the production process.
The main factors affecting the stability of the mold and stamping are: the method of using the mold material; the strength requirements of the mold structural part; the stability of the material properties of the stamping material; the fluctuation characteristics of the material thickness; the variation range of the material; Size; range of blank holder force; choice of lubricant.
How to properly select mold materials has become one of the most important tasks in mold design. As is well known, the metal materials used in stamping dies involve many types. Due to the different functions of various parts in the mold, the requirements and selection principles of the materials are not the same. Therefore, when selecting the mold material, in addition to requiring the material to have high strength, high wear resistance and appropriate toughness, it is necessary to fully consider the characteristics and production requirements of the material to be processed, so as to achieve the stability requirements of mold forming.
In order to solve the problem of mold stability, we need to strictly control the following aspects:
(1) In the process formulation stage, by analyzing the product, it is predicted that the product may be defective in the manufacturing process, thereby developing a stable manufacturing process plan;
(2) Standardization of production processes and standardization of production processes;
(3) Establish a database and continuously summarize and optimize it; use the CAE analysis software system to obtain an optimal solution.
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