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Stainless steel precision casting
Stainless steel precision casting

       The final shape of stainless steel precision casting is mainly formed by solidification of liquid metal.

       in the casting process If you do not master the casting process, it will lead to the quality of the casting, affecting the performance of the casting and the service life of the casting. Therefore, it is necessary to pay attention to the control of two aspects in the stainless steel precision casting process.  

      (1)Stainless steel Precision casting dimensional accuracy and surface roughness control in the modern manufacturing field, casting precision and quality requirements are getting higher and higher. The near net shaping technology of castings has changed the traditional notion that casting can only provide blanks, with the aim of reducing material consumption, energy consumption, power consumption and improvement. Product quality at home and abroad, and strive for market, high efficiency. However, the dimensional accuracy and surface roughness of castings are affected and limited by many factors, and control is very difficult. Castings are liquid-formed and have unique advantages in achieving near-net shapes. In terms of structure, the inner cavity and shape of the casting are once formed by casting, so that they are close to the final shape of the part, thereby minimizing the processing and assembly process; in terms of dimensional accuracy and surface quality, the casting can approach the final requirements of the product and can be realized The remaining amount or small margin; on the other hand, the original surface of the retained casting is advantageous to maintain the corrosion resistance and fatigue resistance of the casting. Thereby improving product life.  

       (2 The formation of crystalline and solidified structures and the control of the structure of liquid metal, the formation and growth of crystal nuclei, the size, direction and shape of the crystal grains are closely related to the solidification structure of the casting, and have an important influence on the physical properties and mechanical properties of the castings. The purpose of controlling the solidification structure of the casting is to obtain the desired structure. At present, stainless steel precision casting has established a method to effectively control the organization.

 

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