Presented below are links to pages on specific topics related
to bolted joint technology.We specialise in this subject and
have extensive knowledge and experience on the solution of problems
related to bolted joints. Please contact
us if you think we can be of assistance on a problem that
you are experiencing. Click on appropriate link for further
information on the subject.
We also have a web site dedicated to training, have a look
at www.bolting.info
- the site contains training material and resources.
Glossary
of fastener and related terms
Torque
Convertor - Conversion program for torque units
Methods
of Tightening Bolts
Bolt
Tightening and Quality Control
Case
Study - Torque Tightening
Vibration
Loosening of Bolts
The Jost Effect - Why nuts and bolts come loose!
Strength
of Threaded Fasteners
Bolted
Joints containing Gaskets
Frequently
Asked Questions
The
Importance of Preload - The Joint Decompression Point
Bolt
Crosstalk and the need for a Tightening Sequence
Tightening
the Nut or the Bolt Head
Use
of Two Nuts to Prevent Self Loosening
Untightening of nuts and bolts
Tutorial
on the theory of Bolted Joints
Why
is a bolt's preload force vital?
How
a bolted joint sustains an applied force
What
is a Joint Diagram?
Joint
Diagram with an external force applied
The
effect of a high external force on a joint
The
effect of a compressive external force on a joint
The
Effect of Joint Deformation loss due to Embedding
Bolt
Preload Variation due to the Tightening Method
Bolted
Joint Analysis using Preload Requirement Charts
Why
nuts and bolts come loose
Poster
on why nuts and bolts can come loose
Video
- Junker Fastener Vibration Test
Tests
on the double nut system of locking
Tests
on helical spring washers
Information
related to screw threads
Historical
background to screw threads
Basic
Thread Terminology
The
Whitworth Thread Form
The
British Association Thread Form
The
Unified and Metric Thread Forms
Basic
Profile of Unified and Metric Thread Forms
Tolerancing
of Screw Threads
Examples
of bolt failures
M24
Engine Mounting Bolt Failure
M16
Bolt Failure
M12
Bolt Fretting Failure
Wheel
Stud Failures
Short
Bolting - Ensuring sufficient thread engagement
The
Effect of Nut Face Angularity on Bolt Fatigue Life
The Bolt Science Blog
Review of a technical paper titled 'Self loosening of prestressed bolts'
Review of a technical paper titled 'Prevention of failures of high strength fasteners in use in offshore and subsea applications'
Contributed
Articles
Talking
about Torque by George Lorimer
Smartools
for Fastening by George Lorimer
Tightening
Bolts & Relaxation by George Lorimer
When
in Rome by George Lorimer
More
on Relaxation by George Lorimer
More
Thoughts on Fastening by George Lorimer
Video
and Other Material
Video
on a Junker Transverse Vibration Test on Fasteners
