Bearing requirements calculation

AI Thread Summary
To calculate bearing requirements for a design project, it is essential to consider all loads acting on the shaft, including moment, force, and gravity. High accuracy is a key requirement, and it is valid to assume that bearings must handle all loadings while maintaining this accuracy. For example, with a total radial loading of 10N and a required accuracy of 0.01 mm, the bearing stiffness requirement can be calculated as 1000N/mm. Additionally, providing a system diagram can enhance the clarity of the questions posed regarding bearing selection. Understanding these principles is crucial for choosing the right bearing for optimal performance.
jianan
Messages
1
Reaction score
0
TL;DR Summary
I am looking for bearings. I have all the loads on the shaft, so how do I calculate the stiffness and other bearing requirements?
Hi!
I am working on a design project. I already know all the loads (moment, force and gravity) on the shaft. I want to calculate the bearing requirements to help me choose the right bearing. All loads are very small, and the key requirement of the entire system is high accuracy.
Can I assume that all the loadings apply to bearing, then bearing need to be able to handle all the loadings and also maintain accuracy?
For example, if the total radial loading on the shaft is 10N and need accuracy of 0.01 mm for system. Can I say that the requirement of bearing stiffness is 10N/0.01mm = 1000N/mm?
 
Engineering news on Phys.org
A system diagram would make your questions much more meaningful.
 
Here's a video by “driving 4 answers” who seems to me to be well versed on the details of Internal Combustion engines. The video does cover something that's a bit shrouded in 'conspiracy theory', and he touches on that, but of course for phys.org, I'm only interested in the actual science involved. He analyzes the claim of achieving 100 mpg with a 427 cubic inch V8 1970 Ford Galaxy in 1977. Only the fuel supply system was modified. I was surprised that he feels the claim could have been...
Thread 'Turbocharging carbureted petrol 2 stroke engines'
Hi everyone, online I ve seen some images about 2 stroke carbureted turbo (motorcycle derivation engine). Now.. In the past in this forum some members spoke about turbocharging 2 stroke but not in sufficient detail. The intake and the exhaust are open at the same time and there are no valves like a 4 stroke. But if you search online you can find carbureted 2stroke turbo sled or the Am6 turbo. The question is: Is really possible turbocharge a 2 stroke carburated(NOT EFI)petrol engine and...
Back
Top