NDLI: Analysis and optimization of the working parameters of the impact mechanism of hydraulic rock drill based on a numerical simulation

Content Provider	Springer Nature Link
Author	Yang, Shu yi Ou, Yang bin Guo, Yong Wu, Xian ming
Copyright Year	2017
Abstract	An impact system is the core part of the hydraulic rock drill. The dynamic simulation model of the hydraulic impact system is established based on the system simulation platform AMEsim. We used the AMEsim simulation model to verify the displacement, velocity curves of the piston, and valve by using stress wave testing data. The following key features of the impact system are determined: the characteristic curves of the pressure variations in the piston chambers, the influences of oil flow, the charging pressures of the high-pressure accumulator, the pre-setting pressure of the relief valve on impact performance, and impact efficiency. On the basis of orthogonal experiments, a response surface method is used to build a mathematical model of the impact system with efficient and various working parameters. The impact system with an optimal efficiency is designed, and the working parameters are optimized. Our proposed system efficiency increases by 17.7% after the working parameters are optimized. This study provides a theoretical basis for the design and optimization of the impact system parameters of the hydraulic rock drill with a sleeve valve.
Starting Page	971
Ending Page	977
Page Count	7
File Format	PDF
ISSN	22347593
Journal	International Journal of Precision Engineering and Manufacturing
Volume Number	18
Issue Number	7
e-ISSN	20054602
Language	English
Publisher	Korean Society for Precision Engineering
Publisher Date	2017-07-07
Publisher Place	Seoul
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Hydraulic rock drill Impact system AMEsim Simulation Working parameters optimization Industrial and Production Engineering Materials Science
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Mechanical Engineering Electrical and Electronic Engineering

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