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Gemstones, Minerals & Fossils
Lapidary
Problem with 1200 grit diamond lap leaving scratches.
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<blockquote data-quote="Lefty" data-source="post: 289021" data-attributes="member: 2976"><p>Is the 1200 a plated lap? New plated laps and new resin-bonded cabbing wheels both seem to need a "breaking in" period in my experience and can often leave a few outsized scratches at first. They will usually disappear as the lap wears in and little projections get smoothed out. You might be able to speed the process up by working a sacrificial stone - an old bomby sapphire or bit of quartz - across it for short while. Seems to have worked for me anyhow.</p></blockquote><p></p>
[QUOTE="Lefty, post: 289021, member: 2976"] Is the 1200 a plated lap? New plated laps and new resin-bonded cabbing wheels both seem to need a "breaking in" period in my experience and can often leave a few outsized scratches at first. They will usually disappear as the lap wears in and little projections get smoothed out. You might be able to speed the process up by working a sacrificial stone - an old bomby sapphire or bit of quartz - across it for short while. Seems to have worked for me anyhow. [/QUOTE]
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Gemstones, Minerals & Fossils
Lapidary
Problem with 1200 grit diamond lap leaving scratches.
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