These are related to the petroleum machine news, in which you can learn about the latest trends in petroleum machine and related information industry, to help you better understand and expand petroleum machine market.
（一） power end1. Pump caseThe bearing seat of the driving shaft and crank shaft is an integral steel casting, which is assembled and welded with the pump housing after processing and annealed after welding to eliminate the residual stress.2. Driving shaftThe dimensions of the extended parts at both e [Read More]
2022-01-05
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