The development of small high purity gas driven booster pump involves many technological innovations in material structure and process. In order to solve the problems of wear, air tightness and self lubrication of high-speed piston and cylinder block under ultra-high pressure, we adopt special materials and processing technology.
对于气缸体，主要是为了提高其硬度和耐磨性加工精度和表面光洁度，我们选用高强度基材，采用精密铸造，开云在线官方度车削加工方法和金属表面镜加工技术，以及气缸机身表面采用特殊的碳氮共渗热处开云在线官方艺，具有优异的表面硬度，机械强度加工精度，表面光洁度和耐磨性等技术指标。
For the cylinder block, mainly in order to improve its hardness and wear resistance, machining accuracy and surface finish, we choose high-strength substrate, adopt precision casting, high-precision turning method and metal surface mirror processing technology, and the cylinder body surface adopts special carbonitriding heat treatment process, which has excellent surface hardness, mechanical strength, machining accuracy, surface finish and surface finish Wear resistance and other technical indicators.
对于活塞密封组件，主要是提高其耐磨加工精度，自润滑性和适当的韧性，特别是在适当的过盈配合下确保超高压气体的良好密封。同时，由于润滑剂污染高纯度气体，活塞密封组件应具有良好的自润滑性。我们对数百种材料进行了比较和测试，并使用了特殊的加工技术来达到上述技术要求。

For the piston sealing components, the main measures are to improve the wear-resistant machining accuracy, self lubrication and proper toughness, especially to ensure the good sealing of ultra-high pressure gas under proper interference fit. At the same time, the piston seal assembly should have good self lubrication due to the high purity gas polluted by the lubricant. We compared and tested hundreds of materials, and used special processing technology to meet the above technical requirements.
使用异型缸体成型加工技术，超高压和强气体的密封存在很大的技术难关，在我国现有的材料和工艺条件下，要实现气缸体和活塞的良好密封，必须增加密封件的数量和干扰与气缸体。然而，这将导致润滑性的困难，导致其工作可靠性降低，使用寿命缩短，以及设备产生的热量突然增加，甚至在严重情况下燃烧相关部件和设备。
There are great technical difficulties in the sealing of ultra-high pressure and strong gas by using the forming processing technology of special-shaped cylinder block. Under the existing material and process conditions in China, in order to achieve good sealing of cylinder block and piston, it is necessary to increase the number of seals and interference with cylinder block. However, it will lead to the difficulty of lubricity, the decrease of working reliability, the shortening of service life, the sudden increase of heat generated by the equipment, and even the combustion of related parts and equipment in serious cases.
采用可更换部件的可更换结构，在气缸体和活塞体变为锥形之后，气缸体和活塞头将在运动过程中接触，碰撞和挤压。由于结构和材料的原因，高压缸体在超高压和摩擦高温的作用下接触。零件会很快磨损。
With the replaceable structure of replaceable parts, after the cylinder block and piston body become tapered, the cylinder block and piston head will contact, collide and squeeze in the process of movement. Due to the structure and material, the high pressure cylinder block contacts under the action of ultra-high pressure and friction high temperature. Parts will wear out quickly.
由于缸体和活塞头与活塞头接触并且不与密封组件接触并且与密封组件匹配，因此工艺要求相对较低，并且该部分可以与其他部分分离。缸体和单独加工成可更换部件。
Because the cylinder block and the piston head are in contact with the piston head and do not contact with the seal assembly and match with the seal assembly, the process requirements are relatively low, and this part can be separated from other parts. The cylinder block and cylinder block are separately processed into replaceable parts.
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