[Boatanchors] Opening Can Capacitors

Larry McDavid lmcdavid at lmceng.com
Mon Oct 2 02:55:31 EDT 2017

I want to try replacing the guts in a failed 2000 uF can capacitor; 
Hayseed Hamfest does not have a matching can available.

Has anyone here actually opened one of these can capacitors? Looking at 
the can, the bottom with the four twist tabs and perhaps a 1/4-inch long 
cylindrical section seem to be one piece, with the top edge of the 
cylindrical section rolled onto a shoulder in the can itself.

How has a can like this been opened successfully so it can be re-assembled?

I can chuck the can in a lathe and cut the rolled section but then there 
would not be material to roll down again.

What has worked for you?

Best wishes,

Larry McDavid W6FUB
Anaheim, California  (SE of Los Angeles, near Disneyland)

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