Assistant Design Engineer Question:
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Explain me what are the factors that can affect the Factor of safety selection?
Answer:
The factor of safety is used in designing a machine component. Prior to selecting the correct factor of safety certain points must be taken into consideration such as:
☛ > The properties of the material used for the machine and the changes in its intrinsic properties over the time period of service.
☛ > The accuracy and authenticity of test results to the actual machine parts.
☛ > The applied load reliability.
☛ > The limit of stresses (localized).
☛ > The loss of property and life in case of failures.
☛ > The limit of initial stresses at the time period of manufacture.
☛ > The extent to which the assumptions can be simplified.
The factor of safety also depends on numerous other considerations such as the material, the method of manufacturing , the various types of stress, the part shapes etc.
☛ > The properties of the material used for the machine and the changes in its intrinsic properties over the time period of service.
☛ > The accuracy and authenticity of test results to the actual machine parts.
☛ > The applied load reliability.
☛ > The limit of stresses (localized).
☛ > The loss of property and life in case of failures.
☛ > The limit of initial stresses at the time period of manufacture.
☛ > The extent to which the assumptions can be simplified.
The factor of safety also depends on numerous other considerations such as the material, the method of manufacturing , the various types of stress, the part shapes etc.
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