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I can’t give you a simple solution to you problems as bolted connections are very complex in there behavior..... But a fantastic book you must get is:- Bickford, John H., An Introduction to the Design and Behavior of Bolted Joints. its say's "introduction" but this is an 1000 page book just...

Chaps, Not my usual area of work but i've been looking at the stress in thick wall tube, when being injected with rubber at 12500psi! As this tube has capped end's it generates longitudinal stress as well as the normal tangential and radial. My stress values are :- ID of tube = (Radial) =...

Thank you all for your input. Its all helped Cheers WJW (UK)

to be honest the fluid isn't water its rubber in a very thick wall tube (30mm wall) the volumetric expantion for rubber is = 0.000271/deg C FROM 80Deg to 150 Deg is 70 Deg change so: taking a unit volume of '1' = 0.000271 * 70 * 1 = 0.01897m^3 or 1.89% increase in volume would this be a...

When you have a fixed volume steel vessel totally filled with water (no air), and the tank temperature is raised by say 30deg C from ambient. As the water tries to expand due to volumetric expansion but can't as it’s a fixed volume, it will raise the pressure within the tank. How is this...

the paper will be a standard (uk) A4 sheet of paper there are 384 x 4mm holes going in there (just one sheet), am going to stager the punching in 4 stages so at any one time 96 holes will be being punched out. i just need to get a idea for torque requierments, if you have a 'ball park' value of...

Good day all, I would be very grateful if anybody can give me a value, or direct me to information regarding the shear strength of an A4 Type sheet of paper ..... a strange request i know ! But i need this value to help with calculations for a punch i need to design. All information / advise...

Good day all, I would be very grateful if anybody can give me a value, or direct me to information regarding the shear strength of an A4 Type sheet of paper ..... a strange request i know ! But i need this value to help with calculations for a punch i need to design. All information / advise...