The function of intermission valve in intermission convey system and main technical requirements of sphere core are introduced. The key process for sphere core's making is studied.
简要介绍了间歇阀在间歇式输送装置中的作用以及球面阀芯的主要技术要求，探讨了球面阀芯关键部位的加工工艺。
Main: belts, tires, inner tubes, cylinders, pistons, piston rings, spark plugs, power door locks, Lungu, bearings, air core, brake pads, cable lines, clutch, odds, valve.
主营：皮带、轮胎、内胎、汽缸、活塞、活塞环、火花塞、电门锁、轮古、轴承、空气芯、刹车皮、拉索线、离合器、波盘、气门。
Main long-term products: screws nuts shafts bushings valve valve air-core and so on.
主要长期产品有：螺钉、螺母、轴、轴套、气门、阀门、气芯等等。
Main long-term products: screws nuts shafts bushings valve valve air-core and so on.
主要长期产品有：螺钉、螺母、轴、轴套、气门、阀门、气芯等等。
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