free@rss.ponder.catMB to Hackaday@rss.ponder.catEnglish · 3 months agoAre You Using Your Calipers Wrong?hackaday.comexternal-linkmessage-square6fedilinkarrow-up116arrow-down13
arrow-up113arrow-down1external-linkAre You Using Your Calipers Wrong?hackaday.comfree@rss.ponder.catMB to Hackaday@rss.ponder.catEnglish · 3 months agomessage-square6fedilink
minus-squareHelixDab2@lemm.eelinkfedilinkarrow-up2·3 months ago.0005" is best case, with the best calipers. If you have spectacularly shitty ones, your accuracy might be more like +/- .005", or ten thou. I use calipers for reloading; rifle cases need to be trimmed because brass flows under pressure, and you def. have a minimum and a maximum tolerance.
minus-squarescrion@lemmy.worldlinkfedilinkarrow-up1·3 months agoPlus handling errors, of course. But yeah, a $170 Mitutoyo caliper will also not display anything beyond five tenths, so that’s definitely a hard limit.
.0005" is best case, with the best calipers. If you have spectacularly shitty ones, your accuracy might be more like +/- .005", or ten thou.
I use calipers for reloading; rifle cases need to be trimmed because brass flows under pressure, and you def. have a minimum and a maximum tolerance.
Plus handling errors, of course.
But yeah, a $170 Mitutoyo caliper will also not display anything beyond five tenths, so that’s definitely a hard limit.