Electronics > Projects, Designs, and Technical Stuff

Toroid Winder w/o cutting the wire.

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free_electron:
toroid winders uses an intermediate spool. the indermediate spool has a hinged opening latch.

- open spool hinge
- put hinge through toroid
- close hinge.
- spin wire onto spool
- spin from spool to core

https://i.pinimg.com/originals/50/b4/89/50b489ec00c7fb79213d250a6dd01e96.jpg

Oneminde:

--- Quote from: mikeselectricstuff on May 23, 2019, 09:43:17 am ---Why would you even need this? You know ahead of time how much you need to wind, so what benefit would there be of continuous feed?

--- End quote ---
The idea was so that I could avoid the intermediate stage of winding a shuttle and make life easier. Found one patent on a shuttleless version that seem interesting. Function is similar to Ruff's GmbH Magazineless winding head with the goal of producing tightly packed toroids.

https://patents.google.com/patent/US4127238

Cliff Matthews:
Pardon my nube-like ignorance, but why don't toroid mfg's make something like an intermediate product, split in half and supplied in matched pairs with some ferrous bonding slurry and catalyst? It would make shipping them a little easier too. Winding's could cover 350 degrees of the core perhaps with the aid of 4 plastic slip-on L-rings, but would that bring down efficiency too much to be a viable product?

Psi:
It is possible, you just have to use one of the extra spatial dimensions predicted by string theory.

That will let you move wire from outside to inside the toroid without having to break it.

Good Luck

digsys:

--- Quote from: Cliff Matthews ---Pardon my nube-like ignorance, but why don't toroid mfg's make something like an intermediate product, split in half and supplied in matched pairs ..
--- End quote ---
They do ! They make ALL type torroids - split / layered / slotted / gapped etc etc and they ALL have totally different properties ! and uses.
The science of how they work / material used / shape / winding patterns etc etc is VERY complex and few people understand completely.
ANY interruption to the consistency of the donut has major side effects, which are not fixable.
For the majority of uses, the 1 piece donut is the most preferable. If there was ANY solution, it'd have been implemented long ago.

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