ISO 21940-31:2013

 

کتابخانه الکترونیکی دیتا ساینس

شناسه: ISO 21940-31:2013

عنوان: Mechanical vibration — Rotor balancing — Part 31: Susceptibility and sensitivity of machines to unbalan

لینک: https://www.iso.org/standard/50431.html

قیمت: 4900 تومان 

ISO 21940-31:2013 specifies methods for determining machine vibration sensitivity to unbalance and provides evaluation guidelines as a function of the proximity of relevant resonance rotational speeds to the operating speed. ISO 21940-31:2013 is only concerned with once-per-revolution vibration caused by unbalance. It also makes recommendations on how to apply the numerical sensitivity values in some particular cases.

It includes a classification system that can be applied to machines which is related to their susceptibility to a change in unbalance. Machines are classified into three types of susceptibility and five ranges of sensitivity.

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