Hello all,
I'm having some trouble about the calculation of a stiffener:
I shoul calculate the modulus of inertia of the stiffener; i'm quite confident that I should consider the wall thickness too, in green in the picture, but I cannot find any rules or any method to be sure HOW MUCH area I...
Hello all,
I'm having some trouble with a C-hook for aluminum coils
My customer asked to verify the SWL of the hook. He made it using S355JR (510 MPa rupture, 355 MPa yield).
I tried to verify it using FEM method (PTC Simulate) and applying EN13155 rules: at 2xSWL + weight the maximum...
Ingot Tong 250 ton: what about weight?
I'm budgetting an ingot tong, capacity 250 ton, maximum open width 3500 mm,
minimum open width 1500 mm, ingot temperature 1300°C (just for sample: http://hoists-crane.com/lifting-devices/lifting-devices-ingot-tong.html)
At the moment I need to know the...
Hi all, I would like to have more informations (pictures, rules, everything!) about wheel crane without flanges. When are they used? Which kind of driving system can I use? A double couple of shafts and bearings on one side of the crane, acting each couple at the beginning and at the end of the...
Hello all, I'm Max and this is my first post in this forum.
I'm having my first experiences in ultrasonic welding. My need is to weld an ABS (or PVC or PP) band on another thick piece of plastic, so that I can't use an anvil. Being the band so long, the weld must be continuous.
Can anyone give...
