Thanks to all who replied.
I had found the NASA-STD-5017, Table 1 information but wondered whether they assumed infinite life to be 10^7 revs. Seems a bit low to me.
The case inquestion is not your usual ball bearing case. It is part of a no-back device. There are 3 balls sitting in pockets...
Hi
I am updating an existing Hertzian contact stress calcualtion of a 440C Steel Ball Bearnig in contact with a steel plate. In the existing calculation a dynamic allowaable of 400,000 psi (at 10^7 revs) is used. Does anyone happen to know where I can find a reference for this allowable. A...
franc11hd
thanks very much for that. I tried it and it worked very well.
Before this I was projecting nodes to the surface - creating points at the nodes - associating points with surface. I could then mesh to those nodes but only with a Paver mesh. Iso mesh would not work.
But this...
Hi
I was looking for some help with Patran surface meshing. I have some points associated to a surface. When I mesh the surface the mesh ignores the points. I cannot create a mesh seed from the points (or nodes) on the interior of a surface. Patran will only let me create a mesh seed on a...
