Bolting
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This short topic explores the characteristics of bolted connections in the context of mechanical design for product reliability and more specifically the design of fixtures for vibration testing.
Chapter Outline
Chapter 5 - Bolted Connections (Mechanical Design for Product Reliability)
- Preload
- Data on Bolts
- Design of Bolted Joints
- Stiffness Data
- Required flange material area
- Material thickness, stiffness
157 - Chapter 8 - Fixture Fabrication Methods (Fixture Design for Vibration and Shock Testing )
- Introduction
- Materials for fixtures
- Machining fixtures from solid stock
- Bolted fixtures
- Cast fixtures
- Welded fixtures
- Bonded fixtures
- Laminated fixtures
- Epoxy formed fixtures
- Potted fixtures
- Foamed plastics for damping
- Inserts
Video Outline
Bolted Connections
Bolted Connections • Bolted Joint Connections • Pre-load • Example • Bolted Joint Stiffness • Designing Bolted Connections • Bolt Data • Bolted Joint—Washer Design • Selection of the Steel Washer to be used Under the Bolt Head • Bolt Joint Design—an Example • Fastener Parameters (Socket Head Steel Bolts) • Correction for Short Grip Length • Recommended Hardware Dimensions for Bolting • Bolt Configurations • Calculating the Required Flange Material Area • Thickness of the Fixture Material • Stiffness of the Fixture Material • Bolted Joint Stiffness—Example • Effective Stiffness (keff) of Slip Plate to Transverse Loads • Shear connections • Bolts in Shear • Effect of Stiffness on Resonant Frequency • Total Stiffness of a Bolted Joint—Example
Fixture Fabrication Methods
Introduction • Materials for fixtures • Machining fixtures from solid stock • Bolted fixtures • Cast fixtures • Welded fixtures • Bonded fixtures • Laminated fixtures • Epoxy formed fixtures • Potted fixtures • Foamed plastics for damping • Inserts • Shop Capabilities • Suggestions