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Register a new userA Study on The Accuracy of Five – Seven Bar Mechanism with Super Elastic Hinges Linked by Two Joints
دراسة حول الآلة الناتجة عن دمج الآلتين الخماسية و السباعية بمفاصل عالية المرونة بوصلة ذات مفصلين
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إن كثرة استخدام كل من الآلة الخماسية و الآلة السباعية في المنظومات الميكانيكية الحديثة تقودنا إلى تطوير آلية عمل هاتين الآلتين. إن دمج هاتين الآلتين يوفر آلة جديدة ثنائية الاستخدام. لا بد للآلة الجديدة و ان كانت أفضل إنجازا فإن دراستها تختلف عن دراسة كلتا الآلتين بشكل منفصل. يكمن منحى هذا التحسين في تقليل أعمال الصيانة مع المحافظة على إمكانية إنجاز نفس الهدف بوزن أقل و بدون احتكاك. تدل التجربة على أن استخدام المفاصل المرنة في منظومة ما يحقق جميع هذه الفوائد كحد أدنى. في البحث لدينا منظومة ميكانيكية مستوية مكونة من الآلة الخماسية و السباعية و بمفاصل دورانية و انسحابيه. عند تبديل المفاصل الدورانية بمفاصل عالية المرونة. بإجراء ذلك نحصل على إمكانية بناء منظومة متينة لتنجز نفس الهدف بأدنى حد للطاقة. إن الهدف الرئيسي للبحث هو بناء منظومة رياضية قادرة على تقييم الازاحات للمنظومة المعتبرة قبل و بعد التبديل, آخذين بعين الاعتبار أن المنظومة الجديدة ينتج عنها إزاحات إضافية كبيرة.
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 one 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.
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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The most of companies wish to decrease maintenance and have the
same target with low weight and no friction even costs much
money, when a machine is built. Using flexural(also flexure) hinges
in a system, at least, leads to all of that advantages.
We have a
planar mechanical system consisted of seven and six bar
mechanism, with revolute joints, after that we replace each revolute
joint with super elastic hinge. Doing so 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 apparatus able to estimate the deviations of the
considered system before and after replacing revolute joints taking
into account the real performance of the new system through large
bending displacements in the flexure (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.
There is no doubt that the importance of decreasing maintenance
and having the same ability to achieve the same target with low
weight and no friction in nowadays artificial applications, is daily
increasing. Using flexural(also flexure) hinges in
a system, at least,
leads to all of that advantages. We are going to take a planar
mechanical system consisted of four bar mechanism and six bar
mechanism, with revolute, after that we replace each revolute joint
with super elastic hinge. Doing so we have a gate to build a system,
strongly recommended, to achieve the same goal using minimum
energy.
The main purpose of this research is to elaborate a mathematical
apparatus able to estimate the deviation 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 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.
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