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ME1631: Precision Mechanism Design
Responsible Instructor: J.L. Herder
Instructor: R.A.J. van Ostayen
Contact Hours / Week x/x/x/x: 0/0/2/2
Education Period: 3, 4
Start Education: 3
Exam Period: 4, 5
Course Language: English
Course Contents: This course treats the conceptual design of precision mechanisms. This enables the student to recognize problem areas, generate design alternatives and make the appropriate choices. Considerable attention will be paid to details, because these can be crucial and decisive for the quality of the design. The course provides thorough understanding into important principles for precision mechanism design, including: Designing for light and stiff mechanisms, exact kinematic constraint design, design of low-hysteresis mechanisms and designing precision manipulators.
Design for stiffness, prevention of play and backlash, design of elastic mechanisms, degrees-of-freedom, manipulation, friction, hysteresis and micro-slip, mechanisms based on rolling, belts and cables, energy management, static and dynamic balancing, special mechanisms.
Study Goals: Upon completion of the course the student masters the principles of conceptual design of precision mechanisms and is able to recognize problem areas, to generate design alternatives and to make adequate choices based on appropriate calculations.
1. Analyse and design design with respect to stiffness:
2. Analyse and design with respect to degrees of freedom and constraints
3. Design and analyse mechanisms based on flexure elements
4. Design and analyse mechanisms which inherently have hysteresis and microslip
5. Design and analyse systems with precision bearings, rollers and webs
6. Design and analyse designs with respect to dynamics and energy management
Education Method: Plenary lectures plus design assignment in groups of no more than 5 students.
Assessment: Each group of no more than 5 students receives a set of 3 different assignments covering all of the learning objectives. Each group attends 2 feedback sessions, i.e. discussions with the instructors on proposed sketches and concept evaluation. One report per group of students is submitted. Per assignment several concepts are evaluated. A final more detailed design is proposed, and basic proof in the form of equations, based on the learning objectives has to be given convincing the instructors that the concept will operate as requested in the specifications of the assignment. A group presentation of 15 minutes has to cover all 3 assignments, followed by a 15 minutes questioning round by the instructors involving each of the group members.
Grading is based on the report, the presentation and the defence per group. Reports, presentation and defence are graded by the instructors.
Last modified: 6 November 2013, 15:24 UTC
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