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Simulation of the Geometry Influence on Curvic Coupled Engagement
Linnaeus University, Faculty of Science and Engineering, School of Engineering.
Linnaeus University, Faculty of Science and Engineering, School of Engineering.
Linnaeus University, Faculty of Science and Engineering, School of Engineering.
2010 (English)Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

The thesis is performed in order to improve the curvic coupled engagement of a dog

clutch situated in the transfer case of a truck. The dog clutch is used to engage the so

called all-wheel-drive system of the truck. If the driver tries to engage the all-wheel-drive

when truck’s rear wheels already skid, due to a slippery surface a relative rotational

speed in the dog clutch will occur. This relative rotational speed will cause the dog clutch

to bounce back of itself before engagement, or to not engage at all.

The dog clutch has been redesigned to prevent this. Dynamic simulations using MD

Adams have been made for the existing model, for the models created in previous

works, and for the new model in order to figure out which of them will show the most

stable engagement, at high relative rotational speed.

The implemented simulations show that better results can be obtained. Separation into

two parts of the disc pushed by the fork, shows that dog clutch’s engagement is faster

and more stable, comparing to the original model and the other created models. The new

model shows better coupling in the whole range of the relative rotational speed from 50

up to 120rpm.

Place, publisher, year, edition, pages
2010. , 21 p.
Keyword [en]
Gleason Type Curvic Coupling, Dog clutch, All-wheel-drive, Multibody Dynamics
National Category
Mechanical Engineering
URN: urn:nbn:se:lnu:diva-27291OAI: diva2:634197
External cooperation
SwePart AB, Liatorp
Subject / course
Mechanical Engineering
Educational program
Mechanical Engineering, Master Programme, 60 credits
Available from: 2013-06-28 Created: 2013-06-28 Last updated: 2016-02-22Bibliographically approved

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