Thank you in advance to any tips and advice.
My company is currently working on getting production up and running with a Capital Robotics Fusion Arc 180. Our current objective is to perform a consistent outside weld on a piece of stitch cut 14 ga sheet metal folded into a piece of angle. These...
I am looking to weld to 4140 HT components together. I know that welding HT 4140 is generally a bad idea, but in the current situation it is unavoidable. the bar is a round bar at .5'' diameter, and the tubing is .049'' thick at 5/8'' diameter. I was planning on preheating both to roughly 400...
We are working with a heat treated torsion bar of .5'' diameter and 36'' long (HRC 43). We have been welding it to standard A36 we had plasma cut on both ends. One for a tab, and one for a mounting point. So far even with 140 ksi of subjected stress the weld has held with no heat treatment...
I am looking to extend the fatigue life on a torsion bar I am designing. Currently it is tempered to the highest rating possible and is made of 4140, and has a diameter of .5''. I don't have much knowledge on the theory behind pre-stressing or pre-torquing a torsion bar and considering the price...
I'm testing two different diameter (1/2'' and 9/16'') torsion bars made of tempered 4140 (tensile strength of 200-220 ksi, tempered at roughly 725 degrees Fahrenheit) for the purpose of acting as a lid assist for heavy vertical opening concrete lids on a subterranean enclosure. The expected...
What would be an ideal material for a torsion bar assisting lifting a 200 pound lid with the rod being subjected to a displacement of 90 degrees? Hardened 4140 has been attempted but it yielded and is not ideal. Looking elsewhere has suggested higher carbon steels such as 1074, but before trying...
