Lecture--Week04

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Engineering Design & Graphics Week 04 Dr. T. E. Doyle

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Overview Continue example from last lecture Thanksgiving holiday and makeup labs/ tutorials Rigid bodies in free space (3-D relationships)
Thanksgiving Rescheduling If you normally have a lab or tutorial on Mondays then please note the following rescheduling: Labs (TONIGHT!!!) Tues Oct. 5/10 ENG 1C Labs 6:30-9:30 L01 --> ETB 118 Tutorials Tues Oct. 12/10 ENG 1C Tutorials 6:30-8:30 T01 --> ETB 124 T02 --> ETB 126 *** NOTE *** If you would normally have lab on Monday Oct. 11, you will be doing your lab 6 days early (on Oct. 5). Therefore you will have lab on Monday Oct. 4 as normal, and then a special make- up lab on Tueday Oct. 5 @ 6:30pm as well.

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Thanksgiving Rescheduling: What if I have a conFict? If, and only if, you have an academic conFict with the rescheduled time of lab or tutorial

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Unformatted text preview: then please bring your timetable to the Course Coordinator (ETB/110) and choose an available alternate lab in week 5. • If an alternate does not ±t your schedule then the CC will inform me directly. The number of people in this situation will dictate the solution. Assemblies • At this point in the course we will now start to consider three dimensional assemblies, or rigid bodies in free space. • Similar to the 2-D approach we must apply constraints; however, we must be careful not to mix the two. • Q: How many degrees of freedom does a rigidi body in free space have? • Q: Name the DOF. DOF of Rigid Bodies in Free Space Assembly Drawing Inventor Assemblies Example • Consider a bolt and a block. Constrain the assembly using the assembly concepts of: • Axial Alignment • Mate relationship • Planar relationship...
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