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Rifles, Reloading, Optics, Equipment
Gunsmithing
Back Spindle Spider
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<blockquote data-quote="shortgrass" data-source="post: 831500" data-attributes="member: 24284"><p>The pitch isn't hard to figure, as long as you have a metric pitch gauge. The O.D.,,,,,, well, you can (and should) mic it, then convert to metric. It's not like you can thread this spider part way, remove it from the chuck and try it 'till it fits. So, you have the jam nut from the spindle. I'd use the jam nut as a gauge and make a threaded stub, 'till the nut fit right. I'd use that threaded stub as a gauge while making the spider. Basic manual machining that it didn't take a program to figure out. A mark on the threading bar for depth will tell you when to dis-engage the split nut. 'Canned cycles" are nice, but, not needed for <em>every</em> job.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="shortgrass, post: 831500, member: 24284"] The pitch isn't hard to figure, as long as you have a metric pitch gauge. The O.D.,,,,,, well, you can (and should) mic it, then convert to metric. It's not like you can thread this spider part way, remove it from the chuck and try it 'till it fits. So, you have the jam nut from the spindle. I'd use the jam nut as a gauge and make a threaded stub, 'till the nut fit right. I'd use that threaded stub as a gauge while making the spider. Basic manual machining that it didn't take a program to figure out. A mark on the threading bar for depth will tell you when to dis-engage the split nut. 'Canned cycles" are nice, but, not needed for [I]every[/I] job.:D [/QUOTE]
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Back Spindle Spider
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