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    Influence of Contact Geometry on Local Friction Energy and Stiffness of Revolute Joints

    Source: Journal of Tribology:;2012:;volume( 134 ):;issue: 002::page 21402
    Author:
    Alexander Gummer
    ,
    Bernd Sauer
    DOI: 10.1115/1.4006248
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Revolute joints (also called pin joints or hinge joints) are used in many different mechanical systems such as robotic arms, door hinges, folding mechanisms, or hydraulic shovels. Since they transmit forces and give a rotational degree of freedom to the connected parts, revolute joints have a major impact on the dynamic behavior of the system into which they are built. Two main characteristics of these elements are their stiffness and their clearance. Both of them change as the wear between the joint’s pin and the rod hole increases during operation. In order to consider these aspects in a multibody simulation an analytical, numerically effective method has been developed to calculate the stiffness of a revolute joint in dependence of the geometry and the wear state. In addition, the calculation algorithm allows for for the analysis of the local friction energy that occurs in the contact zone. In this paper, the calculation approach is presented together with the results for two different steady loaded revolute joints.
    keyword(s): Force , Friction , Wear , Stress , Clearances (Engineering) , Geometry , Stiffness AND Algorithms ,
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      Influence of Contact Geometry on Local Friction Energy and Stiffness of Revolute Joints

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    http://yetl.yabesh.ir/yetl1/handle/yetl/150352
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    contributor authorAlexander Gummer
    contributor authorBernd Sauer
    date accessioned2017-05-09T00:54:42Z
    date available2017-05-09T00:54:42Z
    date copyrightApril, 2012
    date issued2012
    identifier issn0742-4787
    identifier otherJOTRE9-28789#021402_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/150352
    description abstractRevolute joints (also called pin joints or hinge joints) are used in many different mechanical systems such as robotic arms, door hinges, folding mechanisms, or hydraulic shovels. Since they transmit forces and give a rotational degree of freedom to the connected parts, revolute joints have a major impact on the dynamic behavior of the system into which they are built. Two main characteristics of these elements are their stiffness and their clearance. Both of them change as the wear between the joint’s pin and the rod hole increases during operation. In order to consider these aspects in a multibody simulation an analytical, numerically effective method has been developed to calculate the stiffness of a revolute joint in dependence of the geometry and the wear state. In addition, the calculation algorithm allows for for the analysis of the local friction energy that occurs in the contact zone. In this paper, the calculation approach is presented together with the results for two different steady loaded revolute joints.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleInfluence of Contact Geometry on Local Friction Energy and Stiffness of Revolute Joints
    typeJournal Paper
    journal volume134
    journal issue2
    journal titleJournal of Tribology
    identifier doi10.1115/1.4006248
    journal fristpage21402
    identifier eissn1528-8897
    keywordsForce
    keywordsFriction
    keywordsWear
    keywordsStress
    keywordsClearances (Engineering)
    keywordsGeometry
    keywordsStiffness AND Algorithms
    treeJournal of Tribology:;2012:;volume( 134 ):;issue: 002
    contenttypeFulltext
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