Results of stand and operational tests of high pressure fuel pump with plunger pairs recovered by nanocomposition chromination
DOI:
https://doi.org/10.28983/asj.y2019i8pp95-99Keywords:
composite coatings, nanoscale particles, electroplating chrome plating, high pressure fuel pump, plunger pairs, resource, fuel supplyAbstract
The article presents the technology of restoration and hardening of plunger pairs of fuel injection pumps by nanocomposite electrolytic chrome plating, as well as the results of bench and performance tests of fuel injection pumps for the YaMZ-238ND3 diesel engine. According to the test results, the reduction of the starting cyclic fuel supply for a pump with plunger pairs, restored and strengthened by nanocomposite electrolytic chromium plating is 1.1–1.38 times less than that of a pump with plunger pairs recovered and hardened by base chromium plating and 1.4–1.8 times less than the TNVD with serial plunger pairs.
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References
Нанокомпозиционные электролитические покрытия на основе хрома можно рекомендовать для восстановления и упрочнения плунжерных пар ТНВД и других прецизионных деталей топливной аппаратуры сельскохозяйственной техники.
