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Register a new userStudy about Position of Arbitrary Point From A System Consisting of Four Bar Mechanism and Pantograph Mechanism of Super Elastic Hinges with Fixed Link
دراٍسة حول موضع نقطة اختيارية لمنظومة ناتجة عن دمج الآلتين الرباعية و آلة الرسم الخرائطية بمفاصل عالية المرونة بوصلة ثابتة
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Aِl-Baath University ورقة بحثية
Publication date
2017
fields
Physics
and research's language is
العربية
Authors
مصطفى حسن( باحث )
Created by
Shamra Editor
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إن أهمية آلة الرسم الخرائطية و الآلة الرباعية تقود إلى تطوير كلتا الآلتين. سبق و ذكرنا في أبحاث سابقة أهمية تقليل أعمال الصيانة مع المحافظة على إمكانية إنجاز نفس الهدف بوزن أقل و بدون احتكاك, بكونها حاجة ملحة في التطبيقات الصناعية. تدل التجربة أن استخدام المفاصل المرنة في منظومة ما يحقق جميع هذه الفوائد كحد أدنى. في البحث لدينا منظومة ميكانيكية مستوية مكونة من آلة الرسم الخرائطية و الآلة الرباعية و بمفاصل دورانية و انسحابية. بتبديل المفاصل الدورانية بمفاصل عالية المرونة. هذا يعني بناء منظومة متينة تنجز نفس الهدف بأدنى حد للطاقة. إن الهدف الرئيسي للبحث هو تشكيل منظومة رياضية قادرة على تقييم الازاحات للمنظومة المعتبرة قبل و بعد التبديل, آخذين بعين الاعتبار أن المنظومة الجديدة ينتج عنها إزاحات إضافية كبيرة (نتيجة المرونة العالية).
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.
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 Тransmissions 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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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.
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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