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Rewinding a Large Motor at KOFFLER

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bukaymedia.com This shows how a large motor is re-wound, serviced, and tested. The scale, complexity, teamwork, and know-how required by the people at the KOFFLER Electrical facilities in San Leandro, CA. is amazing! Everything, from making the wire coils to the Vacuum Pressure Impregnation (VIP) process, is done at this one location. KOFFLER's website is at www.koffler.com
The motor in this video is used to power a pump that removes water from a submarine dry dock facility at Pearl Harbor. Another video at bukaymedia.com/... documents how the large pump impeller powered by this motor is balanced.
This movie is a good example of how web videos efficiently communicate a company's unique capabilities to its customers and prospects. Can you imagine trying to tell this story in 5 minutes without a video?

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27 авг 2024

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Комментарии : 653

@corin164 4 года назад

I used to work on a submarine drydock in the UK. It was four sections of a much longer WWII battle ship dry dock. Each section had two alternators, neither of which were as large as the synchronous motor in the video. Very impressive facility and personnel at KOFFLER Electric.

@antonmursid3505 2 года назад

Antonmursid🙏🙏🙏🙏🙏🇮🇩🇮🇩🇮🇩🇮🇩🇮🇩

@barrycooke2360 6 лет назад

What a great trip down memory lane this is. I started my armature winder apprenticeship in Manchester UK in 1960. Worked on small motors to 500 MW sets, motor testing, through college, drawing office, senior electrical engineer and qualified teacher. Hard work but creative and a great start in life! Loved it. The world should have an annual Tesla day. Best wishes?

@johncantrell614 5 лет назад

Always nice to see guys who are proud of their work, and it shows here....

@damianmartinez5578 4 года назад

Rewinding the rotor, balancing the rotor, rewinding the stator, baking the stator then sealing the stator. I loved that job.

@slimsammyone 6 лет назад

I'm jealous of the workers depicted in this video. They are skilled, and have the opportunity to work as part of a team in a technical field.

@mx118racer 4 года назад

Brings back memories of my apprenticeship days . Many hours goes into a build project like this . Solid bar windings building and insulation took over a month for a similar size stator . About 3months all up just for the stator rebuild of similar size .

@TheKakkarvfx 3 года назад

many hours

@thomasgarner8403 7 лет назад

I work for a company that makes the coils that go into the motor always love seeing what happens after we get finished and send them off

@christibbs7267 5 лет назад

Me too..i work in Birmingham...forming the stator coils

@gavincurtis 5 лет назад

Rosie O’Donnell thanks you guys for fixing her treadmill motor.

@User0000000000000004 4 месяца назад

"Hello? Yes, this is 1994. Who may I ask is calling? ... ... ... No thanks. We won't be needing that joke back, but thank you for calling." (click)

@theprof291166 10 лет назад

What an amazing job you guys do, very impressive.

@mbukay 10 лет назад

I was truly amazed while filming their work! So hands-on, and must be done so precisely! Thanks for watching. Mike

@TheKakkarvfx 3 года назад

job

@skateerdud 4 года назад

2:50 I think we could really use that anti-corona paint rn

@masterplayer5982 3 года назад

XD silly you. It’s to prevent sparks.

@nirbhaythacker6662 6 лет назад

As an electrical engineer, this video is a lot of fun to watch.

@joshuaamerson2365 5 лет назад

Very cool, my hands hurt watching this but i want to jump in!

@kahvac 4 года назад

Excellent video and handcrafted work ! Thanks for taking the time to show us. True professionals !

@saktimcqueen 10 лет назад

Awesome, i'm studying in electrical motor. And found this video. Thank you!

@mbukay 10 лет назад

Hi Ari, I'm glad it was helpful! I also learned a lot about motors while filming these videos! Sort of like being a kid in a candy shop! Mike

@noorazmi2329 4 года назад

Chuck Norris want a 5 - 7 times this motor size and strength for his pocket sized cooling fan. Please help him build that.

@aculasabacca 4 года назад

@@noorazmi2329 Chuck doesn't have to cool his nuts. His nuts cool him.

@kevinerhartjr.273 4 года назад

I know this is old but where are you studying

@paulmonaco1148 6 лет назад

Nice video, I rewound my share of 2300 - 4160 volt stators, but the slip ring rotor was a very nice looking rewind. Of course we did more Mush / Random stators, just weren't that HUGE!!! LOL. My step dad worked at Vincent Electric in Oakland for 30 plus years Don Rader he was a Damn good winder. I retired 5-yrs ago, sold my business to a kid that I hired in 1979 and I still go in to visit and once in a while still stuff a cake job. I don't miss the knuckle busters.

@DrunkenGuitarGuy 5 лет назад

Paul Monaco i just lost my job with GE doing this kind of work, even bigger motors than these, can i ask what kind of money a "winder" makes down there?? for the record i was getting 33/hr canadian, other places seems to pay about the same up here... just curious

@thejavaman53 5 лет назад

Huge respect for you, sir.

@paulmonaco1148 4 года назад

@@DrunkenGuitarGuy I just your question, well in Portland Oregon the winders get paid a lot less. The range is from $17.50 -hr for beginner to $38.00 for an " OLD PRO " but the OLD guys always got plenty of OT. So they were really making $125K to $175K a year. In California where my step Dad worked I guessing back then he was in the $40.00 to $46.00 per hour range, Today they maybe $50.00 to $55.00 hr. The shop rate is $135.00 hr. so I'm guessing they make a little PROFIT!!! hahahahahaha.

@4bikeregistry 5 лет назад

Making money the old fashioned way, delivering true value to the customer. Great going!

@mbukay 5 лет назад

So true!

@relaxandregenerationchanel8887 4 года назад

If it is not a problem cold you tell me how many kg of copper is in that motor?

@aculasabacca 4 года назад

Who's looking for some of that anti-corona epoxy in 2020?

@DAAI741 4 года назад

All of us

@DAAI741 4 года назад

@k cookers Hey how much u want for it?

@aculasabacca 4 года назад

@Samuel Lynch Yes, we also know that corona is an electrical effect of magnetic fields. Our sun gets/has a corona around it. The virus when viewed through a microscope has some resemblance to the sun with it's corona and this is where the virus got it's name.

@DAAI741 4 года назад

@Samuel Lynch sir I think you missed the joke

@janami-dharmam 4 года назад

@@aculasabacca No, it is all about high electric field (has nothing to do with magnetic field). At sharp points, the electric field is so high it causes ionization of the air. Corona refers to crown, king's and queen's crown has lots of spikes and hence the name.

@ahmedelsheikh1987 5 лет назад

As an engineer, I find this video orgasmically interesting!

@ExoticPromotionsRaw 10 лет назад

Amazing video and amazingly talented people doing the work, Thank You for this!

@TheKakkarvfx 3 года назад

work

@miguelcastillo545 2 года назад

Wow, been along time since I've seen all those guys!! Pretty cool video

@redsquirrelftw 6 лет назад

Will that fit in my Nissan Leaf? Seriously though that looks like crazy work. Need to always be on the ball since if you mess up it throws off the whole motor and you have to start over.

@ricardojuarez6534 9 лет назад

Great power american this motor what;s capacity in HP and kv requiered in your start ... thank Michael for your videos ...

@barrryrivers 5 лет назад

Love working with these guys! Real professionals!!!

@anguskangus8222 7 лет назад

Wow, that is a beautiful shop and every one of those guys is a true master.

@HELMKE_machines 9 месяцев назад

well done. Reliable workshop.

@hellohun7331 6 лет назад

This is real world work. Good job men.

@nikolympiysky 10 лет назад

Such work is always forced to stand still open in amazement mouth. Great, very expensive equipment.

@mbukay 10 лет назад

And so much knowledge and skill is required to do the job correctly!

@sabitabhadra3866 4 года назад

Ieiu I'll klGood Night 💤🌙 😊 Sweet Dream 🌠🌠🌠🌠🌠🌠🌠🌱🍯🌱🌱🍯🌱🐝🌱 🌱🍯🌱🌱🍯🌱🌱🌱 🌱🍯🍯🍯🍯🌱🍯🌱 🌱🍯🌱🌱🍯🌱🍯🌱 🌱🍯🌱🌱🍯🌱🍯🌱 🌼🌱 Hi honey! 🌱🌼Good Night 💤🌙 😊 Sweet Dream 🌠🌠🌠🌠🌠🌠🌠

@sabitabhadra3866 4 года назад

:O:: Pn

@izalman 4 года назад

Just love those 1st few turns on the balancer.... will it stay on the rollers I ask...

@wouldntyouliketoknow9891 3 года назад

Nice to see a motor being rewound in America, by Americans with the proper tools and techniques. Too many of those dirt floor India rebuilds on YT.

@DanBurgaud 6 лет назад

QUALITY JOB! +1M likes to the workers!

@nyanyuiedaniel7026 6 лет назад

I love rewind this is my second love.

@elidadiluhaka8415 4 года назад

I apliciate that, loving this work, from Tanzania

@renesiqueiros2180 10 лет назад

Es lo que buscaba,es mi trabajo en equipo,I cant handle it on My phone,I need My Own computer to stay enjoing and learning thank you very much cause you share all of this with the public,make me feel special.

@MenzelMotors 4 года назад

great job, thanks for the video

@AluminumHaste 6 лет назад

I was mesmerized, amazing work!

@chicut84 4 года назад

Amazing work!!

@MegaJohnhammond 7 лет назад

do you guys ever come in with a hangover, and just stare at all those wires going, "What the fuck"?

@electricalmaintenanceteam7702 2 года назад

Nice video

@venkatbabu186 4 года назад

Such huge motors. Pump water out of oil drilling. Ship docks. Mostly used for salt production from near by sea.

@harryv6147 6 лет назад

Very nice video and the work and craftsmanship is great!

@sofievanhulle3031 6 лет назад

beautiful craftsmanship The knowhow is tremendous

@cccc-ru9ex 6 лет назад

Looks like excellent craftsmen. Nice job

@ShannonSmith4u2 7 лет назад

that was awesome, thank you. The detail and painstaking work, wow

@deerhunter7482 6 лет назад

A good job by skilled workers!

@TheKakkarvfx 3 года назад

worker

@nazimsaifiartwork 4 года назад

WOW amazing art work

@Barnekkid 10 лет назад

Nice image of the Russian sub at the beginning.

@VOVKA_PUTIN 7 лет назад

Russian subs are the nicest in the world)

@bryanmartinez6600 6 лет назад

Best submarine builders in the world Fastest Sub K-222 Largest sub Typhoon Class And they have great stealth subs as well The new Borei is lightly smaller but far more capable than the Typhoon

@ShainAndrews 6 лет назад

While all valid points... I don't expect to see a Russian sub dry docked at Pearl Harbor so we can give it a once over.

@nagarajnagaraj.1399 6 лет назад

Barnekkid

@ct92404 5 лет назад

@@ShainAndrews Well...I guess if the Russians fork over some cash, they could slap a new coat of paint on it or something.

@adamz4345 4 года назад

Extremely cool working on such a large motor. ..How many horse power ,rpm volts ,watts and amps??

@Keys879 4 года назад

Watching this and then watching a Bangladesh man do it in a dirt field is bewildering.

@noutram1000 2 года назад

Holy crap that's big!

@diazlopez48 Год назад

Excelente trabajo...muy prolijo

@russ1618 7 лет назад

Did they rebuild the bearings too?

@ct92404 5 лет назад

Yikes...it scares me to think of the voltage and current it must take to get THAT thing running.

@Renville80 5 лет назад

ct92404 likely 2400V delta or 4160V wye.

@BlazinLow305 8 лет назад

Question: Is working a few years in a coil shop making stator coils enough experience to help get your foot in the door at a winding shop like this?

@carpii 5 лет назад

if you guys are looking to land your next major contract, the motor on my dremel has burnt out and needs replacing. The project is just in its early stages if youd like to send me your tender documents. Project budget is around $30

@marekant7776 5 лет назад

carpii 😂😂😂

@user-pe5pf8gw4m 7 лет назад

how many capacity this motor

@civedm 4 года назад

It's nice to know that the motor won't catch the coronavirus with all that anti-corona paint.

@savneetsinghrairai6823 4 года назад

Exlent very useful understanding large scale motors working and inside structure

@ChiefofTradez 5 лет назад

Great job with the craft. The video edit was nicely done too

@Marinos-Craft 6 лет назад

Very impressive! Cant imagine how expensive the rewinding must have been. Damn!

@tellmesomething2go 6 лет назад

Really nice craftsmanship.

@DjScreaM514 7 лет назад

nice work fellas!

@muhammadsaleemmuhammadhani411 5 лет назад

Wow! Great work.

@izalman 4 года назад

Fantastic to see such skills, ask a kid what an armature winder is - clueless would be 1st guess.. Just loved the 1st run up on the balancing machine... 50/50 as to whether it'd come off the rollers. Been nice to see the finished motor work full belt emptying the dry dock some massive pump I imagine..

@robertbritton656 Год назад

Why would a kid be expected to know that?

@cards0001 5 лет назад

Thats one big ass ebike hub motor!

@langer1972 9 лет назад

i worked at southern electric coil in Hammond Indiana for almost 20 years i made lots of formed coils like that.

@backstabba8959 5 лет назад

I'm from Calumet city. Small word huh?

@bulblast89 5 лет назад

How did you come to doing this kind of work? Is it something you aimed for or kind of just fell into?

@christibbs7267 5 лет назад

I work at CMI in Birmingham...we make coils like this also....

@victoryfirst2878 2 года назад

What is the model NILES lathe that is in the video Sir ??? Very nice work fellas.

@Gadgets1234-f7p 4 года назад

2:51 anti corona paint?? The whole world is in need of that now

@chuckboyle8456 6 лет назад

Those rebuilt DD motors are good for another 100 years Moke! Let’s go to Zippys for some hot dog sushi! Mahalo Koffler!

@dsdaigle81 4 года назад

The company I work for has made stator coils for y’all before!!!!

@JC-XL 5 лет назад

I don't see feminists pushing for equal gender representation in this king of laborious jobs ...

@akashshepherd4471 6 лет назад

i m interested. i love this kind of rewinding works

@soxxpuppet 10 лет назад

Very Very Impressive!

@95thousandroses 8 лет назад

my table saw ain't gonna bog down now

@mazharazhar3353 4 года назад

Very good job

@MrTaolaothiendia 7 лет назад

Very impressive rotor size. Could you tell me the number of poles and connection of the rotor winding ? Thanks

@christibbs7267 5 лет назад

By looking at the coils of the stator, looks like about a 8 or 10 pole

@mohdibrahim3342 7 лет назад

I am also motor winder.. I want this job

@mikeestes1691 5 лет назад

American workers doing an outstanding job. Company's that send their work orders overseas or to another country just to save money has always seemed wrong to me. Keep American company work orders in America.

@josecarlosserralwigge519 5 лет назад

great job ! very professional.

@adiletbeishenov5731 7 лет назад

damn never didnt see such big asynchr motor with wounded rotor.

@minhhoinguyen2937 7 лет назад

Адилет Бейшенов

@sunotospr8239 5 лет назад

@@minhhoinguyen2937 bekap yang gemuk H

@bharathkumarmanilalthakor8879 7 лет назад

nice rewinding skild devloping me

@FlatBroke612 6 лет назад

Gets all the way around installing windings "fuck I'm short one slot!"

@alphahelix91 3 года назад

Der nächste rückwärts laufende Generator. Wohl eine Lichtmaschine.

@webstennisfree 10 лет назад

really liked the video....can u tell me the rating of the motor? must be really big for the conductors used it XD

@rafaelbuono7104 5 лет назад

Professionalism and technology.

@الثعلب-المكار 3 года назад

Beautiful!

@philiphorner31 5 лет назад

It's fun work, did it for USN and USAF.

@stefkaxiao4925 5 лет назад

great work,and this video has study how to made of generator

@sysierius 5 лет назад

I use those in my Honda Prius

@markocynamon5921 4 года назад

What does this rebuild cost?

@uhmb6655 9 лет назад

Muito interessante a montagem deste motor. A qualidade e responsabilidade deve ser grande.

@harisabdullah7230 4 года назад

This for generator or what?

@oldschoolamerican714 6 лет назад

Awsome work gents!!

@samlabo1688 5 лет назад

Nice I did not know how these big motors were repaired

@TehNetherlands 10 лет назад

Nice. This surely would power my RC airplane :)

@alexabadi7458 7 лет назад

Is that giant motor brushless ?

@marvfpv1590 7 лет назад

Alex Abadi yes

@AfaqSaleemChannel 7 лет назад

No, winding and brushes on rotor

@ryandoe11 6 лет назад

Its not brushless

@curiosity551 6 лет назад

Alex Abadi I think its a 3 phase slipring motor.

@gregwarner3753 4 года назад

A narration describing what is being placed where and why would be much more helpful than the music.

@Gamerz00760 6 лет назад

I deal with some weighted parts, Im not sure I like the size and weights overhead they are working with. the guy tightening the bolt pushing foot against support board not too sure about. small clamps pinching circular lip to lift parts???