Recently I noticed in a post by John Alexander that he commented on using a gloved hand to cut the sprue. It got me to think about something else. During a phone conversation with John discussing his hand cutting technique, I brought up the fact that I have a couple molds, one about 40 years old, the other not so old. However they both suffer from "base bump" syndrome. John had thought that his hand cutting technique my solve my bump issue. But it did not, the bumps were still there and then I had a very sore palm (going to use a little more padding next time).
Then in a moment of horror, we both admitted we had never sharpened a sprue/cutter surface in our lives. Now we are talking over 100 years combined casting skills. We exchanged some ways we might exach try, but neither knowing whos right,
We need a good sole on the forum with sprue plate sharpening expirience to step-up and tell us how it's done. Then we will have achieved "all knowledge", until we forget something.
PLease help us out.
David Reiss - NRA Life Member & PSC Range Member Retired Police Firearms Instructor/Armorer
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