Design and Analytical Investigation of a Jointless Mechanical Amplifier

Subject Areas : Vibration Transmision

Amir Reza Askari ¹ , Abdolrahim Askari ²

1 - 1. MSc student of solid mechanics, Ferdowsi university of Mashhad, Mashhad
2 - Assistant professor of physics department, University of Hakim Sabzevari, Sabzevar

Received: 2015-04-20 Accepted : 2015-04-20 Published : 2011-05-22

Keywords: Joint less mechanisms, Mechanical amplifier, pseudo rigid body model in joint less mechanisms analysis,

Abstract :

In this paper some mechanical amplifiers have been investigated then a new model has been introduced, designed and analysed. This new mechanism can present a large amplification ratio in a very compact size. High natural frequency and the absence of lateral motion are the advantages of this new model toward the other models introduced here. In order to present an analytical investigation for this new mechanism, the pseudo rigid model is utilized and optimized for the best working conditions. This model is also analysed and verified using finite element method. The results of FEM are utilized to specify the effect of parameters which cannot be seen in pseudo rigid model. An optimized model with its dimensions sketched finally.