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<blockquote data-quote="pollyp" data-source="post: 748016" data-attributes="member: 4527"><p>to correct the lathe chuck off-center, I needed a really smooth, round, straight reference rod and the shafts from my old coilover dampers came in handy</p><p></p><p>[ATTACH=full]50186[/ATTACH] </p><p></p><p>a quick jig to hold the dial indicator from my bore gauge kit.</p><p>the chuck is about 0.07-0.09mm offset and with the reading getting bigger further away from the chuck, it's also angled slightly off-axis.</p><p>I had to grind a small amount off the backing plate to give the chuck room to shift around, then with the chuck securing nuts loosened I nudged the chuck with a rubber hammer till the dial is 0.01-0.03mm offset. the accuracy is very dependant on how the 3-jaw chuck clamps onto the rod each time.</p><p></p><p>[ATTACH=full]50184[/ATTACH] </p><p></p><p>the 2 x 14mm parting blade arrived but this cheapo quick-change post ain't made right. it only has a 1mm lip and doesn't clamp squarely. it's guaranteed to slip off dangerously under load</p><p></p><p>[ATTACH=full]50189[/ATTACH] [ATTACH=full]50183[/ATTACH] </p><p></p><p>so figured I could setup the lathe like this, fit my dremel milling bit on the chuck and use it as a milling machine <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite18" alt=":cool:" title="Cool :cool:" loading="lazy" data-shortname=":cool:" /></p><p></p><p>[ATTACH=full]50188[/ATTACH] [ATTACH=full]50191[/ATTACH] </p><p></p><p>now the blade is secured much safer</p><p></p><p>[ATTACH=full]50185[/ATTACH] [ATTACH=full]50187[/ATTACH] </p><p></p><p>the lathe cross slide handle has alot of play when changing direction. I previously tried to remove this handle with a hammer to access the mechanism but was unsuccesful.</p><p>so this time made this simple puller which worked better.</p><p></p><p>[ATTACH=full]50190[/ATTACH] </p><p></p><p>there's no bearing but just a simple lip. there's a 0.07mm play in the cavity (don't have any washer that thin) so I just sanded & sanded the steel face down till it's snug enough</p><p></p><p>[ATTACH=full]50192[/ATTACH]</p></blockquote><p></p>
[QUOTE="pollyp, post: 748016, member: 4527"] to correct the lathe chuck off-center, I needed a really smooth, round, straight reference rod and the shafts from my old coilover dampers came in handy [ATTACH=full]50186[/ATTACH] a quick jig to hold the dial indicator from my bore gauge kit. the chuck is about 0.07-0.09mm offset and with the reading getting bigger further away from the chuck, it's also angled slightly off-axis. I had to grind a small amount off the backing plate to give the chuck room to shift around, then with the chuck securing nuts loosened I nudged the chuck with a rubber hammer till the dial is 0.01-0.03mm offset. the accuracy is very dependant on how the 3-jaw chuck clamps onto the rod each time. [ATTACH=full]50184[/ATTACH] the 2 x 14mm parting blade arrived but this cheapo quick-change post ain't made right. it only has a 1mm lip and doesn't clamp squarely. it's guaranteed to slip off dangerously under load [ATTACH=full]50189[/ATTACH] [ATTACH=full]50183[/ATTACH] so figured I could setup the lathe like this, fit my dremel milling bit on the chuck and use it as a milling machine :cool: [ATTACH=full]50188[/ATTACH] [ATTACH=full]50191[/ATTACH] now the blade is secured much safer [ATTACH=full]50185[/ATTACH] [ATTACH=full]50187[/ATTACH] the lathe cross slide handle has alot of play when changing direction. I previously tried to remove this handle with a hammer to access the mechanism but was unsuccesful. so this time made this simple puller which worked better. [ATTACH=full]50190[/ATTACH] there's no bearing but just a simple lip. there's a 0.07mm play in the cavity (don't have any washer that thin) so I just sanded & sanded the steel face down till it's snug enough [ATTACH=full]50192[/ATTACH] [/QUOTE]
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