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Standard Detayı
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TÜRK STANDARDI
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TS No :
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TS ISO 21940-31
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Kabul Tarihi :
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15.02.2021
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Hazırlık Grubu :
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Teknik Kurul |
Doküman Tipi :
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Yürürlük Durumu :
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U (Yürürlükteki Standard/Standard) |
Başlık :
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Mekanik titreşim - Rotor dengelemesi - Bölüm 31: Makinelerin dengesizliğe duyarlılığı ve hassasiyeti |
Başlık (İng) :
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Mechanical vibration - Rotor balancing - Part 31: Susceptibility and sensitivity of machines to unbalance |
Kapsam :
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Kapsam (İng) :
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This part of ISO 21940 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. This part of ISO 21940 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. The sensitivity values are intended for use on simple machine systems, preferably with
rotors having only one resonance speed over their entire operating speed range. The sensitivity values
can also be used for machines that have more resonance speeds in their operating speed range if the
resonance speeds are widely separated (e.g. by more than 20 %).
The sensitivity values given are not intended to serve as acceptance specifications for any machine group,
but rather to give indications regarding how to avoid gross deficiencies as well as specifying exaggerated
or unattainable requirements. They can also serve as a basis for more involved investigations (e.g. when
in special cases a more exact determination of the required sensitivity is necessary). If due regard is
paid to the values given, satisfactory running conditions can be expected in most cases.
The consideration of the sensitivity values alone does not guarantee that a given magnitude of vibration
in operating is not exceeded. Many other sources of vibration can occur which lie outside the scope of
this part of ISO 21940. |
Yararlanılan Kaynak :
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ISO 21940-31:2013 |
Uluslararası Karşılıklar :
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ISO 21940-31-EQV |
ICS Kodu :
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21.120.40 Dengeleme ve Dengeleme Makinaları |
Cen/Cenelec :
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ISO |
Dili :
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en |
Renk Durumu :
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Siyah-Beyaz |
Uygulama Durumu :
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Yürürlükte |
Sayfa Sayısı :
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29 |
Fiyatı :
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68,00 EURO (2.357,54 TL + %10 Kdv) |
Çakışan Standart Varsa İptal Tarihi (DOW) | - |
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