06-27-2022, 02:44 AM
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#111 (permalink)
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Yea, don't use a drill press! I very recently tried that. I can't seem to find the drill chuck for my lathe, so I decided to try making Magic Spark Plugs with the drill press. Neither drill bit hit the center target. The result was a botched plug. Emissions showed I was better off with the normal plug.
I don't know what to say, other than the only success I've had was using a lathe to keep the holes centered. If you're a better machinist than me, maybe you can do a much better job than I did.
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06-28-2022, 10:49 AM
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#112 (permalink)
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You could use a drill press if you can dimple the electrode to provide a start point for the drill or sharpen the angle of the point (difficult on a .060 drill bit). Dimpling without breaking the electrode is going to be tough.
Would be the same effect by increasing gap, system voltage and indexing the plugs
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06-28-2022, 01:06 PM
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#113 (permalink)
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I'd let go of the idea, but a Dremel-sized ball mill would give a cupped rather than cone shape.
Now I'm not sure why the 'torch' extends beyond the electrode.
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06-28-2022, 03:21 PM
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#114 (permalink)
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06-28-2022, 03:22 PM
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#115 (permalink)
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Quote:
Originally Posted by freebeard
Now I'm not sure why the 'torch' extends beyond the electrode.
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It only does that after igniting the first puff of fuel. As that fuel burns, it becomes the blow torch.
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06-28-2022, 07:15 PM
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#116 (permalink)
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EDM
Electrical Discharge Machining (EDM).
It will make short work of this.
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06-28-2022, 07:41 PM
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#117 (permalink)
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Quote:
Originally Posted by RustyLugNut
Electrical Discharge Machining (EDM).
It will make short work of this.
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I'm not familiar with that term. Could you explain, perhaps provide a link?
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06-28-2022, 09:03 PM
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#118 (permalink)
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06-28-2022, 09:52 PM
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#119 (permalink)
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Electronic Dance Music will be at the top of your search, cuz . . .
This is what you should be looking for.
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06-29-2022, 01:42 AM
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#120 (permalink)
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Wow! I'm blown away! I've seen stuff apparently made with this process, but had no knowledge of the actual process itself. Thank you 2 folks for the quick and informative videos.
That would work for the outer electrode beautifully. Not sure how to create a satellite dish on the inner electrode, though.
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