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where to source toroid cores?

Started by walsh350, May 09, 2011, 05:51:00 AM

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casman1969

#5
May 09, 2011, 10:27:45 AM
High permeability such as the "Nanoperm" in 203mm X 2mm thickness is what many, including myself, are looking for. Magnetec will charge me $300.00 for theirs and that's just too steep for me. Anyone here in the states who could find such a torroid would be greatly appreciated.

walsh350

#6
May 09, 2011, 10:47:13 AM
I've heard it mentioned that its possible make your own cores..
Does anyone have any information on this or can someone point me in the right direction?

Obviously I'm willing to accept the overall design will be less efficient by doing this. I don't want to shell out lots of money before I've had a chance to test out my design...

SchubertReijiMaigo

#7
May 09, 2011, 05:46:22 PM
QuoteHigh permeability such as the "Nanoperm" in 203mm X 2mm thickness is what many, including myself, are looking for. Magnetec will charge me $300.00 for theirs and that's just too steep for me. Anyone here in the states who could find such a torroid would be greatly appreciated.

Unfortunately I don't know "cheap" High permeability toroid...

Metglas, Nanoperm, and high µ low loss core are very expensive in nature...
So, if anyone have cheap "Nanoperm", I'am interested also, but I don't think it exist LOL...

Magluvin

#8
May 09, 2011, 08:12:01 PM
Check out Alibaba.com for cores. Alibaba is like a catalog of Chinese companies from this to that.

Like here is just 1 example

http://fskemaoyuan.en.alibaba.com/product/443082968-212419319/Ferrite_core.html

Looks to have up to 160 mm OD   ;]

There are thousands of companies.  Most will send samples. ;]
Free energy for free. =]

Mags

walsh350

#9
May 09, 2011, 08:24:12 PM
Ha, yeah. Registered with Ali earlier. I found one place that does min runs of 10.. asking for samples is kinda cheeky but its all for a good cause ; )

These guys make iron toroids Upto 800mm?!

http://fskemaoyuan.en.alibaba.com/product/451158765-210720609/Toroidal_transformer_iron_core.html

Scroll down on that page and have a look...
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