 Removing glaze from porcelain insulators
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sparky99
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Wed Feb 11 2009, 07:21AM
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Registered Member #1159
Joined: Fri Dec 07 2007, 02:10AM
Location: Hudson Valley of NY State
Posts: 84
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I recently acquired 2 insulators to be used in my 125KV X-Ray Transformer. I removed the Federal connectors & now have just the two threaded sleeves on the top of the enclosure. The lower flanges on the insulators are just a bit too big to drop down inside the threaded sleeves. Anyone know of any abrasive that will cut through porcelain & glaze ??
This transformer would look really nice with these insulators instead of plain vanilla Federal connectors.
Thanks,
bob
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Antonio
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Registered Member #834
Joined: Tue Jun 12 2007, 10:57PM
Location: Brazil
Posts: 644
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Maybe more practical to enlarge the holes in the case?
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Proud Mary
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Registered Member #543
Joined: Tue Feb 20 2007, 04:26PM
Location: UK
Posts: 4992
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I have found tile-cutting tools useful in cutting and shaping ceramic coil formers.
Or if the shape allows it, you might be able to mount the insulators in a lathe or drill press, and grind them down with carborondum paste.
Be patient, avoid sudden mechanical shocks at all costs, and keep the work cool with plenty of water-based cutting fluid.
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