Viscous Friction Research to Hydraulic Hammer Working Performance by Simulation

Author

Xu Tongle ; Xinyi, Z.

Author_Institution

Mech. Eng. Sch., Shandong Univ. of Technol., Zibo, China

Volume

1

fYear

2009

fDate

26-27 Aug. 2009

Firstpage

51

Lastpage

54

Abstract

Both predigested mathematical model and mathematical models of viscous friction are simulated according to power bond graph in hydraulic hammer and the data of them are also analyzed. The result of simulation is shown as follows: impact energy and work efficiency is reduced and average input pressure is increased because of the viscous friction, but impact frequency is affected less by the viscous friction. The viscous friction of piston velocity is much larger than that of pressure difference of piston and the pressure difference of piston is ignored when the viscous friction is calculated, so that mathematical model is predigested.

Keywords

friction; graph theory; hammers (machines); hydraulic control equipment; pistons; valves; direction control valve; hydraulic hammer working performance; mathematical model; piston; power bond graph; simulation; viscous friction research; Analytical models; Bonding; Force control; Frequency; Friction; Load flow; Mathematical model; Mathematics; Pistons; Valves; power bond graph; simulation; viscous friction;

fLanguage

English

Publisher

ieee

Conference_Titel

Intelligent Human-Machine Systems and Cybernetics, 2009. IHMSC '09. International Conference on

Conference_Location

Hangzhou, Zhejiang

Print_ISBN

978-0-7695-3752-8

Type

conf

DOI

10.1109/IHMSC.2009.21

Filename

5335915