of the Urals

Russian Journal of Agricultural Research

The publication is registered by the Ministry of the Russian Federation
for Affairs of the Press, Television and Radio Broadcasting and Mass Communication Media.
Registration certificate: PI number 77-12831 on May 31, 2002
Subscription index in catalog «Russian Press» - 16356
ISSN 1997 - 4868 (Print)

The Journal is included in the list of the leading peer-reviewed scientific journals and publications, which should be published by the main results of theses for the degree of doctor and Ph.D.
The Journal is included in the Russian Science Citation Index.
Journal is included in the list of VAK (from 25.09.2017), No. 291

ISSN 2307-0005 (Online)
Key title: Agrarnyj vestnik Urala (Online)
Abbreviated key title: Agrar. vestn. Urala (Online)

Аграрный вестник Урала № 05 (147) 2016


Новопашин Л. А. кандидат технических наук, доцент Уральский государственный аграрный университет

Кочетков П. В. аспирант Уральский государственный аграрный университет

Панков Ю. В. кандидат химических наук, доцент Уральский государственный аграрный университет

Садов А. А. аспирант Уральский государственный аграрный университет



 Efficient operation and reliable performance tractors depends on system recovery technologies that provide the necessary structural dimensions of precision plunger high pressure pump plunger (HPPP) of diesel engines. Developed technology systems maintenance and repair of cars trying to preserve the service life of all units of the machine up to 10–15 thousand hours. These requirements apply to the work of fuel equipment of cars, tractors and combines with diesel engines. Traditional recovery technology kinematic pairs and plunger injection pump cannot provide the desired service life of the fuel pump of the diesel engine. Increased service life of the fuel pump can be carried out using the new high-performance maintenance technologies and maintenance of complex high-precision components without the use of assembly-disassembly operations of the technical device. There is currently no method of determining the total technical condition and reliable operation of the injection pump diesel engines. Good and promising results that improve the technical condition of the kinematic pairs were obtained from the use of nano diamond additives. Practice has shown that 25–30 % of all failures of diesel engines account for fuel equipment. Of these, 60 % are failures in the pump due to the state of plunger. The criterion of precision performance of new plunger is the size of the gap between the working surfaces of the sleeve and the plunger, for being in use – value of the local wear surfaces of parts or fuel leakage. Therefore, studies on the use of nano diamond tribological additive compositions of HPPP are very actual. The object of study is a pair of precision plunger high-pressure fuel pump. Studies on the processes of wear and restoration carried out on the pump model UTN-5 with operating time 1000 hours. In the study tested the change of structural geometry of the plunger and plunger sleeve sizes before application of nano diamond and after 1146000 cycles work the plunger assembly on the stand under a load of work of atomizers.


diesel fuel, high pressure pump plunger (HPPP), plunger, bushing plunger, geometric dimensions, additive.


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