论文部分内容阅读
抽油泵柱塞表面喷焊新工艺中原油田机修五厂抽油泵厂［４５７３３１］耿红军安琛抽油泵柱塞是抽油泵总成中重要的部件，表面质量要求高，粗糙度达０．４以上，表面硬度超过ＨＲＣ５３，以往都是用镀铬工艺达到这一要求的（本体为４５＃钢）但由于镀层较薄仅０．１毫米左右...
Pumping piston surface of the new welding technology Zhongyuan Oilfield Machinery Plant # 5 pumping station [457331] Geng Hongjun An Chen Sucker pump plunger pump assembly is an important component of the surface quality requirements, the roughness of more than 0.4 , The surface hardness of more than HRC53, chrome plating process are used to meet this requirement (the body is 45 # steel) but due to thin coating only about 0.1 mm ...