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What is the significance of Design Factor and how is it used?

April 26, 2017design Factor significance Used

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What is the significance of Design Factor and how is it used?

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A. Design Factor or Safety Factor, as it used to be called in the industry, refers to the theoretical value used in engineering calculations to determine a rated capacity or Working Load Limit (WILL) below the theoretical load that would cause failure of the device. The ASME B30.20 Standard recommends a Design Factor of 3:1, based on the yield strength of the load supporting members of the device. This means that a bending failure will begin at a load that is 3 times higher than the rated capacity for the device.