Does anyone have any firsthand knowledge of the accepted “standard” or “normal” values to use for radial internal clearances of single row deep groove ball bearings? The table provided in ANSI/ABMA Standard 20-1996 details the radial internal clearances for deep groove ball bearings; however...
We have several parts ranging in size from 3" OD X .8" ID X .7" deep (largest) down to 1" OD X 3/8" ID x 11/32" deep (smallest). We are trying to get away from our current process of ion nitriding 4340 and are looking at a number of options. Achieving the case hardness is the most important...
Thank you swall. What is the reasoning behind the short cycle (4 hr) solution treat, versus the suggested length of 10-12 hrs (ASM Metals Handbook)? Was this to control the grain growth in the casting or is there some other consideration here?
I'm new here so here goes...
This is more of a general question regarding weld repair of 355-T6 aluminum castings. Here is a little background; the castings are heat treated to obtain maximum mechanical properties, they are then repaired by welding in order to fill holes and/or correct other...
