Wind Toroidal Cores - Tips for 20 Gauge Magnet Wire

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    Coil Winding
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SUMMARY

This discussion focuses on the techniques for winding toroidal cores using 20 gauge magnet wire. Participants explore the use of winding machines, specifically the Jovil Universal, and compare their mechanisms to sewing machines, particularly the lock-stitch mechanism. Jason O seeks to create a DIY winding jig, drawing inspiration from existing machines and discussing various design challenges. The conversation emphasizes the importance of understanding the winding process and the need for practical experimentation in achieving successful results.

PREREQUISITES
  • Understanding of toroidal core dimensions (2.5" OD, 1" ID, 1" thick)
  • Familiarity with 20 gauge magnet wire specifications
  • Knowledge of winding machine mechanisms, specifically the Jovil Universal
  • Basic skills in DIY design and prototyping
NEXT STEPS
  • Research the operational principles of the Jovil Universal winding machine
  • Learn about sewing machine mechanisms and their applications in winding
  • Explore DIY designs for toroidal winding jigs using common materials
  • Investigate techniques for maintaining wire tension and preventing tangles during winding
USEFUL FOR

Electronics hobbyists, DIY enthusiasts, and engineers interested in winding toroidal coils for inductors or transformers will benefit from this discussion.

  • #61
Yves said:
Hi there !

Just landing here bouncing from links to links contemplating to build my own toroïd winder.
Thanks for all that valuable information.
Things start to be less obscure in my head ! !

Just in case you not already know:
http://waterfuelcell.org/phpBB2/viewtopic.php?t=1034&postdays=0&postorder=asc&&start=0

I've nothing to publish by now, just sucking as much information as I can ;)

Yves.

this stuff doesn't work, you know: http://en.wikipedia.org/wiki/Stanley_Meyer
 
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  • #62
Jdo300 said:
Hi Danger,

WOW, those drawings look awesome! I've been following the thread and would have replied sooner but I was getting stuck on a couple of the construction details and haven't had the time to explain what I am confused about.

When you were describing the construction of the hoop, I was a little lost about the construction of the different components. There are also a couple of other details that I may need some clarification on. I have a 3D CAD modeling program, Autodesk Inventor6, which I would like to use to render your design. Doing so will help me to better understand what this is actually doing. Plus, if it works well, I could publish a set of DIY plans so that others can build this also. But as soon as I get a chance, I am going to start drawing up the hoop and other parts of the setup to get a better idea of how it works. Unfortunately, despite some of the detailed diagrams, I am still having a bit of trouble seeing how the wire gets from the hoop to the toroid without getting wrapped up on the hoop. But I definitely like the relative simplicity of this. If I can, I may even make a simple controller to run some stepper motors to turn the hoop and toroid :-). Again, thank you very much for your help and I will be keeping a close eye on this thread.

- Jason O

Did you ever get the stepper control system worked out?
 
  • #63
Hello Danger,
I really want to know how is the toroid coil winder work. I'm looking for the informantion found you may the gay who know that very well .Could you send some diagran to my email ? (147495715@qq.com).
Thanks
 
  • #64
Winding with the shuttle machine is the luxury method. There are still applications that call for hook winders. These are essentially a gas driven hook that pokes up through the work table and toroid. The worker then offers the next winding into the hook. The hook then pulls the winding through the hole in the center. Mind your fingers, the hook is indescreminate.
 

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