I'm needing to design a seal on a hydro turbine which will keep oil mist inside, and keep dust out of a fairly large thrust bearing assembly. I'd appreciate some recommendations for seal types that might be suitable. Conditions are as follows:
- 290 mm seal diameter, shaft rotating at 150 rpm...
Hi tbuelna. The forging will be made by ring rolling. I am relying on the expertise of the forging company to choose the correct reduction. I imagine the direction of grain flow will be pre-determined by the forging technique, in this case ring rolling. With regard to machining allowances, the...
Thanks for your reply HydroPE. You are correct that this is a replacement part. We have settled on a forging made from AISI 1026/29 steel, with hardness 137-170 BHN. The forging will also be stress relieved. I have tentatively specified 16 Ra for the ground surface, with total runout of 0.8...
Hi,
I have a large, fluid film thrust bearing for a vertical shaft. Operating load is over 100 tonnes, and speed is several hundred rpm. I am considering making a replacement thrust runner for this bearing from mild steel plate, rather than by forging or casting, due to time constraints. I am...
