{"id":1586,"date":"2011-04-17T20:04:25","date_gmt":"2011-04-18T01:04:25","guid":{"rendered":"http:\/\/thmsblog.com\/?p=1586"},"modified":"2011-09-29T18:17:44","modified_gmt":"2011-09-30T00:17:44","slug":"1586","status":"publish","type":"post","link":"https:\/\/blog.thehobbyistmachineshop.com\/?p=1586","title":{"rendered":"Weighty Subject"},"content":{"rendered":"ngg_shortcode_0_placeholder\n<p>A fellow ham radio operator Dennis (KI4DW) was in need\u00a0 of replacement weights for his Brown Brothers &#8220;bug&#8221; keyer. The weights are the easy part. I thought he needed the thumb screws duplicated too. Turns out he has the screws.<\/p>\n<p>The weights I turned from a 3\/4 in leaded steel bar on the PD400. The slots are cut with a 3\/32 end mill on the X3. The digital readout was a real big help in free handing the slots. (CNC automation spoils me.) In the picture, the slots still need a bit of internal filing to square the inside corners.<\/p>\n<p>The 8-32 thumb screws would be a lot more work to make exact copies. I was afraid of the time (and cost) I would spend on two of them. I have since discovered a <a title=\"Thumb Screw\" href=\"http:\/\/www.mcmaster.com\/#thumb-screws\/=bynzun\" target=\"_blank\">good source<\/a> for these at McMaster-Carr.<\/p>\n<p>If I make any more weights, about a half hour in BobCAD should make the slot cutting easy work starting from dead center. Heck, the G-code would be easy to write from scratch.<\/p>\n<p>Just a few hours work on developing these parts. CNCing the slot would make it much faster to produce more.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A fellow ham radio operator Dennis (KI4DW) was in need\u00a0 of replacement weights for his Brown Brothers &#8220;bug&#8221; keyer. The weights are the easy part. I thought he needed the thumb screws duplicated too. Turns out he has the screws. The weights I turned from a 3\/4 in leaded steel bar on the PD400. The [&hellip;]<\/p>\n","protected":false},"author":77778,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[52],"tags":[53,107,89,28,47],"class_list":["post-1586","post","type-post","status-publish","format-standard","hentry","category-metalwork","tag-dro","tag-lathe","tag-milling","tag-proxxon","tag-x3-mill"],"_links":{"self":[{"href":"https:\/\/blog.thehobbyistmachineshop.com\/index.php?rest_route=\/wp\/v2\/posts\/1586","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.thehobbyistmachineshop.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.thehobbyistmachineshop.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.thehobbyistmachineshop.com\/index.php?rest_route=\/wp\/v2\/users\/77778"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.thehobbyistmachineshop.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1586"}],"version-history":[{"count":0,"href":"https:\/\/blog.thehobbyistmachineshop.com\/index.php?rest_route=\/wp\/v2\/posts\/1586\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.thehobbyistmachineshop.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.thehobbyistmachineshop.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.thehobbyistmachineshop.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}