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Study about Position of Arbitrary Point From a System Consisting of Two Pantograph Mechanisms of Super Elastic Hinges with Fixed Link

دراسة حول موضع نقطة اختيارية لمنظومة ناتجة عن دمج آلتي رسم خرائطيتين بمفاصل عالية المرونة بوصلة ثابتة

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 Publication date 2018
  fields Mathematics
and research's language is العربية
 Created by Shamra Editor




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In this paper we have a plan mechanical system consists of two pantograph mechanisms, with revolute and sliding joints, linked by fixed link . Then, we replace each revolute joint with super elastic hinge. In this way, we have a system, strongly recommended, to achieve the same goal using minimum of energy.



References used
Howell, L. L. Compliant Mechanisms, New York- Chichester - Weinheim-Brisbane-Singapore-Toronto, John Wiley &Sons, Inc., 2001
Her, I., A. Midha., A Compliance Number Concept for Compliant Mechanisms, and Type Synthesis”, ASME J. Mechanisms Transmissions Automat. Design, Vol. 109, (1987) 348–355
Midha, A. T. W. Norton, L. L. Howell., On the Nomenclature and Classification of Compliant Mechanisms: the Components of Mechanisms, Proc. ASME Design Engineering Technical Conf., Arizona, Vol. 47, (1992), 13-16
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The importance of pantograph mechanism and four Bar one leads to improve of two mechanisms. As we said in last papers, decreasing maintenance and having the same goal with low weight and no friction in nowadays artificial applications, appears as a needed need. The experiment refers that using flexural hinges in a system at least leads to all of that advantages. We have a plan mechanical system consisted of pantograph mechanism and four bar one, with revolute and sliding joints. Then, we replace each revolute joint with super elastic hinge. In this way, we have a gate to build a system, strongly recommended, to achieve the same goal using minimum energy. The main goal of this paper is to elaborate a mathematical mechanism able to estimate the deviations of the considered system before and after replacing revolute hinges, taking into account the real performance of the new system through additional large displacements in the flexural hinges.
We have a plane mechanical system consisted of pantograph mechanism and four bar one, with revolute and sliding joints. Then, we replace each revolute joint with super elastic hinge. So that, we have a system, strongly recommended, to achieve the same goal using minimum energy. The main goal of this paper is to elaborate a mathematical mechanism able to estimate the deviations of the considered system before and after replacing revolute hinges, taking into account the real performance of the new system through additional large displacements in the flexural hinges.
The main purpose of this research is to elaborate a mathematical apparatus able to estimate the deviations of the considered system before and after replacing revolute hinges taking into account the real performance of the novel system through large bending displacements in the flexure (flexural) hinges.
The too many uses of the five- bar mechanism and the seven-bar one in novel mechanical systems, lead us to develop the action of the both mechanisms. Compacting the both mechanisms gives ability new mechanism with dual action. It is that the new o ne is better in achieving but It's more difficult in studying from the to separately. The developing of the action appears in decreasing the maintenance and having the same goal with low weight and no friction. The experiment refers that using flexural hinges in a system at least leads to all of that advantages. We have a plane mechanical system consisted of five bar mechanism and seven bar mechanism, with revolute joints. Then, we replace each revolute joint with super elastic hinge. In this way, we have a gate to build a system,strongly recommended, to achieve the same goal using minimum energy. The main purpose of this paper is to elaborate a mathematical mechanism able to estimate the deviations of the considered system before and after replacing revolute hinges, taking into account the real performance of the novel system through additional large extra displacements in the flexural hinges.
Due to the rapid development in the manufacturing of high precision mechanism. It is required to reduce spending on its manufacturing and (due to the friction). On the other it is very important to achieve the same target with light weight and no frictions. The all above objectives can be obtained by building the machine to move as one body by using the elastic hinges. The main purpose of this research is to accuracy of eight-six bar mechanism -linked by fixed link , before and after replacing revolute hinges with elastic ones.

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