5:10 pm | January 15, 2012
Author: ManufacturingET.org | Category: | Comments: None
Reading Assignment
- 34.2 Mechanical Fastening
Recommended Reading
- CNC Panel Joinery Notebook (web)
- Assembly Automation and Product Design (book preview)
- Successful Design for Assembly (Assembly Magazine article)
- Integral Mechanical Attachment (book preview)
- BASF Snap-Fit Design Manual (pdf)
Outline
Two Major Types of Mechanical Fastening
- Mechanical Forces (integral fasteners)
- Mechanical (discrete) Fasteners
Integral Fasteners
Sheet Metal Seams
Tab and Slot Assemblies
Beading
Tog-L-Loc (Link)
Types of Fits
- Running or sliding (clearance)
- Location Fit
- Interference Fit
- Force fit
- Shrink fit
Snap Joints
- Cantilever Snap Joint
- Torsion Snap Joint
- Annular Snap Joint
Discrete Fasteners
Threaded Fasteners
- Wood screws
- Bolts, Screws, and Nuts
- Typical Screw Head Styles
- Lag Screws
- Bolt Types
- Nuts
- Acorn and High Hex Nuts
- Nuts
- Tool Clearances
- Washers
- Cap Screws
- Shoulder Screws
- Set Screws
- Self-Tapping Scews
Nonthreaded Fasteners
- Rivets
- Dowel Pins
- Keys and Keyways
- Retaining Rings
Vibratory Bowl Feeder
