Chap.10 Scheme of Mechanism system Chap.10.1 Review Design Process Chap.10.2 Design Process of Kinematic Scheme of the Mechanism System
Chap.10 Scheme of Mechanism system Chap.10.1 Review Design Process Chap.10.2 Design Process of Kinematic Scheme of the Mechanism System
Chap.10.1 Design Process Problem Definition Concept Generation Concept Selection Why? Iteration What? Embodiment Design Which? Detail Design How? Fabrication Evaluation
Chap.10.1 Design Process Problem Definition Concept Generation Concept Selection Embodiment Design Detail Design Fabrication Evaluation Iteration Why? What? Which? How?
Chap.10.2 Design process of kinematic scheme of the mechanism system ■ Process Example
Chap.10.2 Design process of kinematic scheme of the mechanism system ◼ Process ◼ Example
Design process working principle of the machine Motion forms analysis Redesign Type synthesis of the mechanisms Cooperation design Dimensional synthesis of mechanisms Evaluation Kinematic diagram of the mechanisms 因
Design process Redesign working principle of the machine Type synthesis of the mechanisms Dimensional synthesis of mechanisms Evaluation Motion forms analysis Cooperation design Kinematic diagram of the mechanisms
Working Principle of the Machine Gear cutting:form cutting and generating cutting Sheet transmission machine: ALMOND ALMOND Creation conclusion
Working Principle of the Machine ◼ Gear cutting: form cutting and generating cutting ◼ Sheet transmission machine: Creation & conclusion
Motion forms analysis ■ Analyze and decompose the motion which machine needs,think out the motion forms. Method:imitation,creation nnnn Creation conclusion
Motion forms analysis ◼ Analyze and decompose the motion which machine needs, think out the motion forms. ◼ Method: imitation, creation Creation & conclusion
Type synthesis of the mechanisms Choose,combine into or create the mechanisms Principle: satisfy the requirements,choose mechanisms as simple as it can be,limit the size,choose suitable kinematic pairs,consider the drivers, good dynamic characteristics,be adjustable,be safe
Type synthesis of the mechanisms ◼ Choose, combine into or create the mechanisms ◼ Principle: satisfy the requirements, choose mechanisms as simple as it can be, limit the size, choose suitable kinematic pairs, consider the drivers, good dynamic characteristics, be adjustable, be safe
Cooperation design Cooperation of the function,time and space. To ensure the cooperation of working links,the working cycle diagram is drawn.It is a time table for the actions of all the working links. 1.Principle 2.Method 3.Working cycle diagram
Cooperation design Cooperation of the function, time and space. To ensure the cooperation of working links, the working cycle diagram is drawn. It is a time table for the actions of all the working links. 1.Principle 2.Method 3.Working cycle diagram
Principle 1. Operation Order(sequence of actions) 2. Step and cycle 3. Layout and no interference 4. Efficiency and less energy
Principle 1. Operation Order(sequence of actions) 2. Step and cycle 3. Layout and no interference 4. Efficiency and less energy
Method 1.Working cycle 2.Working time of the each mechanism 3.Motion cooperation
Method 1. Working cycle 2. Working time of the each mechanism 3. Motion cooperation