{"id":564,"date":"2012-01-31T15:23:09","date_gmt":"2012-01-31T20:23:09","guid":{"rendered":"http:\/\/jmillerid.com\/wordpress\/?p=564"},"modified":"2012-02-07T09:10:40","modified_gmt":"2012-02-07T14:10:40","slug":"home-made-chuck-key","status":"publish","type":"post","link":"https:\/\/www.jmillerid.com\/wordpress\/2012\/01\/home-made-chuck-key\/","title":{"rendered":"home made chuck key"},"content":{"rendered":"<p>This weekend I spent a lot of time in the shop machining parts for my CNC mill, and ran into a problem with the lathe. The four jaw chuck has these adjustment screws to move the jaws in and out, but I can&#8217;t find the chuck key needed to adjust them. They use an inverted key&#8211;it&#8217;s and innie, not an outie, like most chuck keys&#8211;and it&#8217;s almost impossible to adjust without that particular tool.<\/p>\n<p>I had a leftover piece of steel rod, so I made my own:<\/p>\n<p><a class=\"tt-flickr tt-flickr-Medium\" title=\"IMG_2565\" href=\"http:\/\/www.flickr.com\/photos\/jmillerid\/6797374207\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone\" title=\"9x20 lathe chuck key\" src=\"http:\/\/farm8.staticflickr.com\/7144\/6797374207_b31dbbb797.jpg\" alt=\"9x20 lathe chuck key CNC machined\" width=\"500\" height=\"374\" \/><\/a><\/p>\n<p>The ends were machined on the mill, clamping the piece upright in the vise. The shoulder was turned on the lathe (in the three jaw chuck!).<\/p>\n<p><a class=\"tt-flickr tt-flickr-Medium\" title=\"IMG_2566\" href=\"http:\/\/www.flickr.com\/photos\/jmillerid\/6797374629\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone\" title=\"9x20 lathe chuck key\" src=\"http:\/\/farm8.staticflickr.com\/7154\/6797374629_5c6654dcb5.jpg\" alt=\"9x20 lathe chuck key CNC machined\" width=\"500\" height=\"374\" \/><\/a><\/p>\n<p>I milled a socket into the other end for a 3\/8&#8243; ratchet, although the fat body makes it easy to turn quickly by hand. (I tried to knurl the end but I still don&#8217;t know how to knurl properly, so I just mucked it all up)<\/p>\n<p><a class=\"tt-flickr tt-flickr-Medium\" title=\"four jaw chuck!\" href=\"http:\/\/www.flickr.com\/photos\/jmillerid\/6797375181\/\"><img decoding=\"async\" loading=\"lazy\" class=\" alignnone\" title=\"9x20 lathe four-jaw chuck\" src=\"http:\/\/farm8.staticflickr.com\/7034\/6797375181_71bc0c4d5a.jpg\" alt=\"9x20 lathe four-jaw chuck\" width=\"500\" height=\"374\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Operational!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This weekend I spent a lot of time in the shop machining parts for my CNC mill, and ran into a problem with the lathe. The four jaw chuck has these adjustment screws to move the jaws in and out, but I can&#8217;t find the chuck key needed to adjust them. They use an inverted [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[38,43],"tags":[44,35,36,43,34],"_links":{"self":[{"href":"https:\/\/www.jmillerid.com\/wordpress\/wp-json\/wp\/v2\/posts\/564"}],"collection":[{"href":"https:\/\/www.jmillerid.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jmillerid.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jmillerid.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jmillerid.com\/wordpress\/wp-json\/wp\/v2\/comments?post=564"}],"version-history":[{"count":4,"href":"https:\/\/www.jmillerid.com\/wordpress\/wp-json\/wp\/v2\/posts\/564\/revisions"}],"predecessor-version":[{"id":567,"href":"https:\/\/www.jmillerid.com\/wordpress\/wp-json\/wp\/v2\/posts\/564\/revisions\/567"}],"wp:attachment":[{"href":"https:\/\/www.jmillerid.com\/wordpress\/wp-json\/wp\/v2\/media?parent=564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jmillerid.com\/wordpress\/wp-json\/wp\/v2\/categories?post=564"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jmillerid.com\/wordpress\/wp-json\/wp\/v2\/tags?post=564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}