GENERATOR ROTOR REMOVAL PLATFORM
GENERATOR ROTOR REMOVAL PLATFORM
(OP)
HI ANY GOOD IDEA WERE TO FIND GOOD INFORMATION ABOUT PLATFORMS TO ROTOR REMOVAL ON GENERTAOR ? ILL APPRECIATE ANY GOOD TIPS .
REGARDS
AMPER
REGARDS
AMPER
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GENERATOR ROTOR REMOVAL PLATFORM
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RE: GENERATOR ROTOR REMOVAL PLATFORM
RE: GENERATOR ROTOR REMOVAL PLATFORM
I'm sure your needs are affected by the size of the machine and what you're going to do with that rotor (do you need rollers). For larger motors (3500 hp 324 rpm) our more consciencious shop builds a contoured wooden cradle to distribute the rotor weight rather than concentrating it on one line along the bottom.
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RE: GENERATOR ROTOR REMOVAL PLATFORM
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Eng-tips forums: The best place on the web for engineering discussions.
RE: GENERATOR ROTOR REMOVAL PLATFORM
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Eng-tips forums: The best place on the web for engineering discussions.
RE: GENERATOR ROTOR REMOVAL PLATFORM
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Eng-tips forums: The best place on the web for engineering discussions.
RE: GENERATOR ROTOR REMOVAL PLATFORM
regards
amper
RE: GENERATOR ROTOR REMOVAL PLATFORM
Muthu
www.edison.co.in
RE: GENERATOR ROTOR REMOVAL PLATFORM
RE: GENERATOR ROTOR REMOVAL PLATFORM
Brush has some technical information showing different types of rotor removal (crane and rail) which might be helpful. It is available to the public and is called a TDI, if my memory serves. Contact your local Brush contact.
I think you will find some views on this link.
http://natlmech.com/pages/1/index.htm
rmw
RE: GENERATOR ROTOR REMOVAL PLATFORM
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If we learn from our mistakes I'm getting a great education!
RE: GENERATOR ROTOR REMOVAL PLATFORM
rmw
RE: GENERATOR ROTOR REMOVAL PLATFORM
Muthu
www.edison.co.in
RE: GENERATOR ROTOR REMOVAL PLATFORM
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If we learn from our mistakes I'm getting a great education!
RE: GENERATOR ROTOR REMOVAL PLATFORM
Removal
Heavy Lift
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If we learn from our mistakes I'm getting a great education!
RE: GENERATOR ROTOR REMOVAL PLATFORM
RE: GENERATOR ROTOR REMOVAL PLATFORM
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If we learn from our mistakes I'm getting a great education!
RE: GENERATOR ROTOR REMOVAL PLATFORM
Once the rotor is out, what do you want to do with it? If its just going to sit there, building cribbing is relatively simple. But of you need access to the rotor itself (perhaps you need to turn it during some maintenance procedure) that may complicate things.
RE: GENERATOR ROTOR REMOVAL PLATFORM
I was being a little tongue in cheek about the weight of your exciter rotor, but the generator rotor in that BDAX frame 9 beast of yours (formerly) weighted a lot more than 27 tons. Somehow I remember that being the weight of maybe a BDAX 7 series rotor.
amper,
As PHovanian has mentioned, your methodology depends on what it is that you are tying to accomplish in the end. You didn't specify that in your original post.
If your crane access to the generator rotor in the package enclosure is limited, you will have to rail via the use of a platform the rotor to a point where you can lift it with a crane. That would only be necessary if you intended to do some more work on the rotor like remove the end caps, rewind, do bearing journal work, etc.
If your purpose is only to inspect the generator, then you can rail the rotor out on the platform and leave it set there while you accomplish all the tasks.
If you are going to do any detailed work on the rotor then it has to be taken to a clean weather protected place and that will involve the use of a crane at some point.
At this point, it is unclear to us what you are actually trying to accomplish.
rmw
RE: GENERATOR ROTOR REMOVAL PLATFORM
About 40 tonnes rings a bell. I recall the one from the steam set in that photo was nearer 60 tonnes.
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If we learn from our mistakes I'm getting a great education!
RE: GENERATOR ROTOR REMOVAL PLATFORM
RE: GENERATOR ROTOR REMOVAL PLATFORM
So you had a large, costly "power station" building.
Along come the 70's and gas turbines. Salesman "You do not need those big power station buildings, we have these simple packaged units, so cheap, lightweight turbines etc etc". Everyone forgot that the generator parts had the same mass. No station crane........ Also, some had the bright idea of not using water (via heat exchangers) to cool the generator air. No water for the gas turbine, so why not save even more money and open ventilate the generator. Dust in the air? Filters, they take all the dirt out!
So we went from generators that ran on base load, closed air circuit. To gas turbine driven units, on peaking or cyclic duty, open air circuit.
So we have the guys in the field, like the OP, who have to clean out the generator every 10,000 hours, not every 10 years!
Sorry for the whinge!
We devised a skid method of putting curved plates between the rotor and the stator bore, to minimise the use of a crane when pulling out the rotor. Find an expert company and talk to them.
Finally, lift the rotor as Scotty shows, by the body NEVER by the end caps (end bells)
RE: GENERATOR ROTOR REMOVAL PLATFORM
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If we learn from our mistakes I'm getting a great education!
RE: GENERATOR ROTOR REMOVAL PLATFORM