Broken Tap Removal???

Gallery, Projects and General > How do I??

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vtsteam:

--- Quote from: picclock on October 23, 2013, 12:07:49 PM ---I found myself in a similar situation and was able to make a crude spark erosion machine with very little effort. It lacks anything sophisticated, just being a rewound mains solenoid (if you have a 12v one use as is) and a car battery charger.

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That's pretty interesting! :thumbup:

awemawson:
Years back I had a commercial 'tap disintegrater' that was simple in the extreme. The electrode was carried in the end of the armature of a solenoid. When the weight of the armature brought the electrode into contact with the work, it completed the circuit and the solenoid pulled it back up. So it buzzed away merrily arcing away the tap. There was a little plastic tank with a tap to control the flow (just a steady dripping worked best) of tap water that washed away the debris and kept things cool. I used tungsten TIG electrodes.

Joules:

--- Quote from: awemawson on October 24, 2013, 04:17:39 AM ---Years back I had a commercial 'tap disintegrater' that was simple in the extreme. The electrode was carried in the end of the armature of a solenoid. When the weight of the armature brought the electrode into contact with the work, it completed the circuit and the solenoid pulled it back up. So it buzzed away merrily arcing away the tap. There was a little plastic tank with a tap to control the flow (just a steady dripping worked best) of tap water that washed away the debris and kept things cool. I used tungsten TIG electrodes.

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aw, thats sounds really useful are they still available, that would be a cool project to build.

Joules

Sorry picclock, not had enough coffee and missed your post... :palm:

awemawson:
Not seen them for sale other than second hand, but it would be a trivial exercise building one.

vtsteam:
Andrew, how many volts was that system supply? Was it battery powered or mains? Seems like for very occasional use, a battery powered version would be ideal, if possible.

Tempted to build one. I don't have a broken tap (uh, right now), but it just sounds like a fun project. And it would be nice to have it already made up when I need it rather than being an emergency project, or a wished for one.

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