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InFundamentals thisMachines fundamentals chapter, we introduce the kinematic diagramsKinematic diagram of machinesKinematic diagrams of machines including the basicSymbol symbols of various nodes, links, and jointsJoints. After that, we show that four-barFour-bar mechanismsBar Mechanism, slider–crankSlider–crank mechanismsMechanismcrank, and invertedSlider slider–crank mechanismsMechanismcrank areSlider–crank mechanism major closed-chain mechanismsClosed-chain mechanisms. Grashof’sGrashof law is introduced. This law presents the necessary condition for a mechanism to be a Grashof linkageGrashof linkage. That is, one link in the linkage must be capable of 360° rotation. An introduction to five-bar mechanismsFive-bar mechanism, six-bar mechanismsSix-bar mechanisms, and special typesTypes of mechanisms such as the quick-return mechanism is also presented. Lastly, we present an introduction to machine actuatorsMachine actuators for electric motorsMotor and hydraulic pistonPiston cylindersCylinder. We will makeUse use of the nomenclature L1, L2, L3, etc. to identify the links in a mechanismSewing mechanism.

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Mechanisms and Machines Fundamentals

  • 章节

  • 发表日期：

    2025年

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  • Ashraf Omran

摘要

InFundamentals thisMachines fundamentals chapter, we introduce the kinematic diagramsKinematic diagram of machinesKinematic diagrams of machines including the basicSymbol symbols of various nodes, links, and jointsJoints. After that, we show that four-barFour-bar mechanismsBar Mechanism, slider–crankSlider–crank mechanismsMechanismcrank, and invertedSlider slider–crank mechanismsMechanismcrank areSlider–crank mechanism major closed-chain mechanismsClosed-chain mechanisms. Grashof’sGrashof law is introduced. This law presents the necessary condition for a mechanism to be a Grashof linkageGrashof linkage. That is, one link in the linkage must be capable of 360° rotation. An introduction to five-bar mechanismsFive-bar mechanism, six-bar mechanismsSix-bar mechanisms, and special typesTypes of mechanisms such as the quick-return mechanism is also presented. Lastly, we present an introduction to machine actuatorsMachine actuators for electric motorsMotor and hydraulic pistonPiston cylindersCylinder. We will makeUse use of the nomenclature L1, L2, L3, etc. to identify the links in a mechanismSewing mechanism.