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Have you tried looking at the problem from a different angle such as questioning what the minimum effective area is for the bearing? What happens to the bearing analysis if you reduce the radial size of the pad in the area that's experiencing questionable deflection? Can you increase the...

I have an application where a 316 stainlesss part is being used to maintain a compressive load on an assembly. During manufacturing, the SS part was heated to a point where the part relaxed and no long maintained a load on the assembly. My question is at what temperature will the steel become...

Thanks a lot, I found a couple other decent companies but a lot of them don't post tech info on their website. That's about the best one I've seen so far. Brian

I'm workig on a lubrication system and have to connect the tank to a manifold with a flexible connection. The connection or joint needs to withstand about a half inch of travel in any direction. Currently, the connection points are 3" ANSI B16.5 flanges. The line/connection needs to include an...

Thanks for the input, in the end we're buying a couple pieces to run through our tensilse tester to ensure the preload will be greater than the centrifugal load (i.e. we maintain contact pressure between the faces of the lead and conductor. Hopefully we can also get some elctrical testing done...

Thanks for all the info, in the end we will be getting samples and testing the connection in our tensile tester. We will be testing for joint strength and to ensure the contact pressure is maintained between the lead and conductor faces. I have called out silver plating for the threads. In...

Still working on the temps with the electrical guys. Part of the trouble is there a lot running through the connection, 1000V at 1000A, but only for about 3s so I don't have a good feel since the connection won't reach a ss temp. I will supply more info when I get it. Thanks.

For the sake of keeping it simple, view the connection as a copper bolt going into a nut. The only real difference is the head height of the bolt is large compared to the threaded portion of the bolt's shank. I also enlarged what would be the face of the bolt head to increase the contact area...

EdStainless, I don't have experience with copper as far as creepage goes. I reviewed the mechanical properties of the copper being used for this application and there is a sf > 2 with respect to the yield strength of the material after the desired preload is achieved. I have also incorporated...

Looking for some sparky knowledge here. I'm designing some test equipment and need to make sure I have enough contact area to prevent heating a threaded connection beyond the point where it can be reused. We will be running 1000V and 1000A through the connection. The real trick is the duration...

I am trying to pick the best connection for some test equipment. I am running two copper axial leads (1.25" OD copper bar cut in half) down the center of a shaft. At both ends I will have a flat machined into the bars to accept a copper radial lead. The radial lead will thread into the axial...

Thanks, now if I can just convince them to send me models so I don't have to recreate everything...

I'm working on a lubrication system for a US military project and have had a little trouble sourcing 70/30 CuNi flanges, fittings etc. through a mfg that has experience with military projects. Can anyone point me in the right direction? Thanks. PS..having some server issues and I apologize if...

I'm working on a lubrication system for a US military project and have had a little trouble sourcing 70/30 CuNi flanges, fittings etc. through a mfg that has experience with military projects. Can anyone point me in the right direction? Thanks. Brian

I posted this question in the Fluid and Piping section but the responses I received related more closely to commercial plumbing. I am looking to interface ss tubing with a bronze relief valve. I am not familiar with this brazing operation or even if it is an acceptable practice? The relief...

Thanks, do you know of any reference material which outlines the process in detail? The reason I ask is because we will have to have a detailed description of the assembly process. Brian

Thanks for the info.

Working on a lube system for a military application and the pressure relief valve specifies a Sil Braze connection for the bronze valve. What is the best method for interfacing the valve with the 316 stainless steel tubing? Brian

I am working on a military project and need to connect a lube line to a heat exchanger. The heat exchanger calls out a 1 1/4" ANSI B16.5 150# RF flange. The lube lines are 1 1/4" OD ss tubing with a 0.095" wall thickness. Can a flange be welded to this tubing for attachment? Is there generally...