Experimental study on multibody systems with clearance joints

A comprehensive experimental study on the dynamic responses of slider-crank mechanism with clearance joints is presented in this work. The main sub-assembly of the experimental test rig consisted of slider-crank mechanism with an adjustable radial clearance at the revolute joint that connected the s...

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Bibliographic Details
Main Author: Lankarani, H. M. (author)
Other Authors: Koshy, C. S. (author), Kanetkar, G. (author), Flores, Paulo (author), Claro, José Carlos Pimenta (author), Ambrósio, Jorge (author)
Format: conferencePaper
Language:eng
Published: 2004
Subjects:
Multibody dynamics
Joint clearance
Online Access:http://hdl.handle.net/1822/18032
Country:Portugal
Oai:oai:repositorium.sdum.uminho.pt:1822/18032
Description
Summary:A comprehensive experimental study on the dynamic responses of slider-crank mechanism with clearance joints is presented in this work. The main sub-assembly of the experimental test rig consisted of slider-crank mechanism with an adjustable radial clearance at the revolute joint that connected the slider and the connecting rod. The motion of the slider was measured with a linear transducer and an accelerometer. Dynamic tests at different operating crank speeds and with several clearance sizes were performed. The slider acceleration (impact acceleration) was used as a measure of the impact severity. The results obtained clearly demonstrated the severe dynamical behavior in a clearance joint and they provide a qualitative measure of the associated fatigue and wear phenomena in which the components must be reliably operate in real joints.

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