Sep 21, 2018 10:51
5 yrs ago
1 viewer *
English term
Russian Federation
Native in: Russian (Variant: Standard-Russia) 
Works in: French to Russian, English to Russian, Russian to English
one and two times
English to Russian
Tech/Engineering
Engineering (general)
mills
"After the machine is installed the natural frequencies of the foundation must be at least ± 20% away from one and two times the operating-speed frequency and at least ± 20% away from one and two times the supply line frequency (50/60Hz)."
Что здесь происходит?
Спасибо.
Что здесь происходит?
Спасибо.
Proposed translations
(Russian)
| 3 +2 | См. объяснение |
Alexander Konosov
|
Proposed translations
+2
13 mins
Alexander Konosov
Russian Federation
Russian Federation
Native in Russian
Specializes in field
Russian Federation
Excellence based on Engineering exp
Native in: Russian (Variant: Standard-Russia) 
Works in: English to Russian, Russian
Related KudoZ points
:
765
Selected
См. объяснение
собственная частота колебаний фундамента должна отличаться не менее чем на 20% от частоты вынужденных колебаний (работающего оборудования) и ее удвоенной величины
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Note added at 14 mins (2018-09-21 11:05:19 GMT)
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к проверке собственной частоты колебаний фундамента (собственная частота колебаний фундамента должна отличаться от частоты вынужденных колебаний не менее чем в 1,5 раза).
http://sersalaev.narod.ru/index.files/flyweel9.htm
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Note added at 15 mins (2018-09-21 11:06:19 GMT)
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However, it was not considered a problem for the subject fan since the natural frequency was much greater than both one and two times the rotational speed of the fan
https://www.reliableplant.com/Read/28645/new-testing-methods
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Note added at 14 mins (2018-09-21 11:05:19 GMT)
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к проверке собственной частоты колебаний фундамента (собственная частота колебаний фундамента должна отличаться от частоты вынужденных колебаний не менее чем в 1,5 раза).
http://sersalaev.narod.ru/index.files/flyweel9.htm
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Note added at 15 mins (2018-09-21 11:06:19 GMT)
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However, it was not considered a problem for the subject fan since the natural frequency was much greater than both one and two times the rotational speed of the fan
https://www.reliableplant.com/Read/28645/new-testing-methods
4 KudoZ points awarded for this answer.
Comment: "Selected automatically based on peer agreement."
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