Monday, November 23, 2009

"lecture" 20

Lecture slides on mounting, joining, and interfaces have been posted on ctools (lecture 20). You may be particularly interested in the design suggestions for coupling shafts to motors, and mounting/fits of bearings, bushings, and wheels - these include recommended drill sizes, and a design for robustly constraining wheels to shafts (including non-kit components you can get in the crib now)

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Today's Agenda:

-Coupling shafts to motors

-Mounting and fits: design suggestions
- Shaft dimensions and tolerances
- Bushings to pillow blocks
- Bearings to pillow blocks
- Wheels to shafts

-Joining and assembly methods: from high‐temp to low‐temp
- Welding and brazing
- Soldering
- Adhesives
- Threaded fasteners
- Snap‐fits and e‐clips

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