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Akbar Rahman 2023-10-15 16:14:53 +01:00
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uni/mmme/2044_design_manufacture_and_project/shaft_design.md
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@ -226,10 +226,10 @@ design.
Simply multiply the maximum stresses and loads you expect by the safety factor, $n_s$, and assume
that as your maximum stress and load.
$n_s$ | Operational conditions and use of materials
----- | -------------------------------------------
1.25-1.50 | Reliable materials under controlled conditions, known stresses with certainty
1.50-2.00 | Well-known materials under reasonably constant environmental condition, known stresses
2.00-2.50 | Average materials subjected to known loads and stresses and environment (LSE)
2.50-3.00 | Lesser well-known materials under average conditions LSE
3.00-3.40 | Untried materials under average conditions of stresses and environment, or well known materials under uncertain LSE
| $n_s$ | Operational conditions and use of materials |
|-----------|---------------------------------------------------------------------------------------------------------------------|
| 1.25-1.50 | Reliable materials under controlled conditions, known stresses with certainty |
| 1.50-2.00 | Well-known materials under reasonably constant environmental condition, known stresses |
| 2.00-2.50 | Average materials subjected to known loads and stresses and environment (LSE) |
| 2.50-3.00 | Lesser well-known materials under average conditions LSE |
| 3.00-3.40 | Untried materials under average conditions of stresses and environment, or well known materials under uncertain LSE |