The development of small gas-driven supercharged pumps with high purity touches upon many technological innovations in data structure and technology. In order to solve the problems of wear, air tightness and self-smoothness of high-speed moving piston and cylinder block under ultra-high pressure, we adopt special data and processing technology.
With regard to cylinder block, the main purpose is to improve its hardness and abrasion resistance processing accuracy and surface brightness. We use high strength base material, fine casting, high precision turning method and metal mirror processing technology, as well as special carbonitriding heat treatment technology for cylinder body surface, which has excellent surface hardness, mechanical strength processing accuracy, surface brightness and brightness. Wear resistance and other technical indicators.
As for piston seal assembly, it is mainly to improve its wear-resistant processing accuracy, self-smoothness and proper toughness, especially to ensure the good sealing of ultra-high pressure gas under the appropriate interference fit. At the same time, the piston seal assembly should have good self-smoothness because the smoother contaminates the high purity gas. We stopped comparing and testing hundreds of kinds of data and used special processing technology to meet the above technical requirements.
There are great technical difficulties in the sealing of ultra-high pressure and strong gas by using the forming and processing technology of special-shaped cylinder block. In order to complete the good sealing of cylinder block and piston, it is necessary to increase the number of seals, interference and cylinder block. However, this will lead to difficulties in smoothness, lower reliability, shorter service life, and sudden increase in heat generated by the equipment, so as to extinguish the relevant components and equipment in serious conditions.
With the replaceable structure of replaceable parts, after the cylinder body and piston body become conical, the cylinder body and piston head will contact, collide and extrude in the course of movement. Due to the structure and data, the high pressure cylinder block contacts under the action of ultra-high pressure and high friction temperature. Parts will wear out quickly.
Because the cylinder block and piston head are in contact with the piston head and do not contact with the sealing component and match with the sealing component, the process requirement is relatively low, and the part can be separated from other parts. Cylinder block and individual machined into replaceable parts.
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