Reducing the Rejection Rate of Engines Manufacturing Due To Injection Timing Variation

Document Type : Primary Research paper

Authors

1 Assistant Professor, Department of Automobile Engineering,Nehru Institute of Technology, Coimbatore

2 Assistant Professor, Department of Automobile Engineering,Assistant Professor, Department of Automobile Engineering,Nehru Institute of Technology, Coimbatore

Abstract

The white paper is on HINO 6 cylinder
engine and the aim is to reduce the rejection rate of
engines during testing due to the problems occur in
valve timing and injection timing. The concept of
Six Sigma is mainly practiced as a design to
eliminate the production defects by improving the
process of manufacturing. In the observation, the
injection timing mark (spill mark) is not perfectly
done and also the imperfection in flywheel marking
machine locator pin increases engine rejection. The
aim is to eliminate the engines getting rejected
during engine test due to problems arising in the
injection timing and valve timing. As there are a lot
of problems arising in the test bed where the engine
is tested, few of which are related to injection
timing and valve timing. These problems mainly
arise due to changes in the valve and injection
timing variation.

Keywords

Int. J. of Aquatic Science
Volume 12, Issue 1
International virtual conference on Newer Trends and Innovation in Nanotechnology Materials Science . Science and Technology
March 2021
Pages 655-668

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