Broken Bars In The Rotor Of Induction |
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Broken Bars In The Rotor Of Induction |
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  May 20 2008, 08:30 PM
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#1
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Junior Member  Group: Full Member Posts: 6 Joined: 19-May 08 Member No.: 4,570  |
Dear sir
many times vibration and motor current signture analysis survey performed for the motors at our site and the report clear the motor has broken and /or cracks in the rotor but after dismantle the motor and pullout the rotor found the rotor doesn't suffering from any kind of broken bar or cracks at ambient temp. your kind support to advise me how can detect these cracks and beoken bars at workshop? osama |
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May 21 2008, 07:15 PM
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#2
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Posting Freak Group: Moderator Posts: 2,099 Joined: 24-April 02 From: Christchurch, New Zealand Member No.: 1 |
Hello osama
A common place for the bars to crack, is at the ends where the shorting ring is attached. It is not always obvious that there is a crack as the crack is often buried in the weld. Best regards, Mark. -------------------- Mark Empson administrator
Skype Contact = markempson | phone +64 274 363 067 LMPForum | LMP Tech Warehouse | L M Photonics Ltd | Empson family | Advanced Motor Control Ltd | LMP Software | Mark Empson Website |
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Lo-Fi Version | Time is now: 2nd December 2008 - 11:37 PM |
