forums.noria.com Message Boards Alignment/Balancing/Vibration high level horizental vibration|
Go
|
New
|
Find
|
Notify
|
Tools
|
Reply
|
|
|
Gold Member - 25 or more posts |
hello every one;
I have many reciprocating pump "PMH" supplied by electric motors(45kw) "ABB" ( belt transmission). I level of horizental vibration on the NDE motor nearing is 9.63 and 10.59 mm/s RMS on DE bearing. the spectum used to show the frequency 45hz, and there attached levels and frequencies of bearings vibration. many thanks for every one could have a participation of dignosis. |
||
|
|
Gold Member - 25 or more posts |
Level (mm/s RMS) frequency(hz)
NDE vertical: level: 2.86 frequencies: 2.30@30 NDE horizental: level: 9.63 frequencies: .36@32.5, 9.35@45, 1.73@60 DE vertical: level: 2.48 frequencies: .51@15, 1.44@30, .5@45, 1.10@60, .95@90, .19@122.5 DE horizental: level: 10.59 frequencies: .64@30, 9.95@45, .64@60 DE axial: level: 4.2 frequencies: 4.14@30, .38@60 |
|||
|
|
Bronze Member - 1 or more posts |
|
|||
|
|
Bronze Member - 1 or more posts |
What is the working speed of that pump?
What are the vertical ampplite vibration and frequence? How many piston have the pump? Regards. Rui Carvalho |
|||
|
|
Gold Member - 25 or more posts |
the working speed of motor is 1480rpm
the frequencies and levels of Vertical Horizontal ,and Axial(on motor) is abouve. (the speed of the pump is not known) |
|||
|
|
Gold Member - 25 or more posts |
the pump has 3 pistons
the diameter of the pulley of pump is 638 mm the diameter of the pulley of motor is 140 mm the speed of motor is 1480 rpm |
|||
|
|
Gold Member - 25 or more posts |
the pump has been soped, the alignment has been controled and corrected. the vibration level is about 3 to 4.5 mm RMS.
(but in another site the level is about 2 to 3 mm RMS.) thanks for every one and many thanks for Rui Carvalho |
|||
|
| Previous Topic | Next Topic | powered by eve community |
 | Please Wait. Your request is being processed... |
|
|||
| Site | forums.noria.com | ||
| Servlet | eve2da018 | ||
| Version | 1.2.22 build 9062 | ||
| Module | Forums 4.0.3 | ||
| Stylesheet | "Lubrication" | ||
| Wordlet Set | "Default Wordlet Set" | ||
|
forums.noria.com Message Boards Alignment/Balancing/Vibration high level horizental vibration
© 2006 Noria
Corporation. All Rights Reserved.
Guidelines
and Terms
| View $GS_USERNAME's Public Profile |
| Add $GS_USERNAME to my Buddies |
| Add $GS_USERNAME to my Ignore List |
| View Recent Posts by $GS_USERNAME |
| Notify me of New Posts by $GS_USERNAME |
