Information related to Bolted Joints

Information related to Bolted Joints 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 usif 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 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 Why nuts and bolts 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 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