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某型柴油机连杆工艺改进研究

Machining Technic Improvement of a Certain Diesel Engine's Connecting Rod
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摘要 针对某型柴油机连杆断裂故障,对连杆小端油孔抗疲劳加工和表面喷丸强化残余应力控制技术进行了研究,并根据研究结果对传统加工工艺进行了改进。工艺改进后的现场试验和小批量试制验证表明:采用新工艺加工的连杆其残余应力控制在合理范围。 Aimed at the fracture of a certain diesel' s connecting rod, research was carried out on the fatigue machining of small-end lubricating holes and residual stress controlling technology of surface shotblast treatment. Based on the research results, the traditional machining technic was improved. The field test and small batch trial production verified that the residual stress of the connecting rod produced with new machining technic was controlled within the reasonable range.
出处 《柴油机》 2014年第4期47-49,共3页 Diesel Engine
关键词 连杆 加工工艺 残余应力 小端油孔 connecting rod machining technic residual stress small-end lubricating hole
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