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SlunkBoy 15th December 2008 06:03 PM

Broken Drum Core Inductor
I noticed a rattle in my oscilloscope case when I took it out of storage after a move. One of the dumbbell shaped drum core inductors had broken at the point where the shaft meets the bottom disc. The coil has only unraveled a few turns and I think I can salvage it if I work carefully. Assuming I am able to situate everything back where it was, will I compromise any electrical or magnetic properties by supergluing the disc back to the shaft?

Thanks in advance,

Steerpike 15th December 2008 08:15 PM

You can glue the core, without significantly altering the properties of the inductor, but i woudn't recommend superglue (by which term I think you mean cyanoacrylate?).
Two-part epoxy is a much better product. If possible, clamp the two core portions lightly in a vice or similar arrangement to minimise the thickness of glue bond.

SlunkBoy 15th December 2008 09:54 PM

Thank you very much for the prompt reply, Steerpike. I'll give the epoxy/clamp method a shot.


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