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Join Date: Oct 2005
Posts: 2

Axial Air-Gap Induction Motors

10/31/2006 10:42 AM

I will be pleased to hear from CR4 members who have any information relating to the theory, characteristics, design, construction, production of 3-phase AXIAL AIR-GAP (as opposed to radial air-gap) INDUCTION motors up to 2-3 kW power rating.

The main advantage of this kind of motor to our (potentially high-volume) project is its flat (like a pan-cake) construction (i.e. its short axial lentgh compared to its diameter).

Ultimately, I need a low-cost motor manufacturer (anywhere in the world) who already has such motors in its product portfolio.

Most small-motor manufacturers in the Far East would say "We can design and make such a motor for you. Just tell us what you want!", but they have never produced axial air-gap induction motors before (i.e. they do not have such motors in their product porfolio).

Before I can tell what I want, I need to know more about and particularly experiment with (test/evaluate):

a 3-phase star-connected 230V AC (line-to-line) axial air-gap induction motor of

~1kW power rating, preferably with a high number of poles (e.g. 8 poles or more).

This could be a rotor-stator-bearing set or a fully enclosed (e.g. IP54) motor of probably single-rotor (rather than double-rotor) construction.

Any information (advice, references, links, contacts etc.) will be much appreciated.

Many thanks in advance.

Errol

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Guru
Engineering Fields - Control Engineering - New Member China - Member - New Member

Join Date: Sep 2006
Location: CHINA
Posts: 2945
Good Answers: 14
#1

Re: Axial Air-Gap Induction Motors

10/31/2006 8:55 PM

you said in aritcle far east might be china? I dont know the motro but you said its axial is shorter than its diameter like a pan-cake, this kind of motor we indeed have. I can offer you such at once. voltage from 24vDC to 380v AC. How much do you wanted?

This motor is widly used in motorcycle and hoist etc. It has advantage of speed control easily and small volume and etc.

pls contact with info@ndt.cn

for details.

===

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