喷油泵柱塞偶件磨料磨损的试验研究

Experimental Study on the Wear-Material Wear of the Plunger Dual-Parts of Fual Injection Pump

磨料磨损是柴油机喷油泵栓塞偶件失效的主要形式。本文采用快速磨损试验方法，就磨料的成分、浓度、粒度以及栓塞配合间隙和滤清器效能等因素对栓塞偶件磨损规律的影响做了研究分析，并提出了减少栓塞偶件磨损、延长其使用寿命的具体方法。

Wear-material wear is the main cause of losing efficacy of the plunger duelparts in the fuel injection pamp of the diesel engine. This paper uses fast wear experiment method to analyse the influence of many factors,sueh as the composition density and size of the wear-material,coordination clearance of the plunger dual-parts and filter efficacy,to wear law of the plunger dual-parts. Concrete methods are proposed to reduce the wear of the plunger dual-parts and to prolong their service life.