{"id":54,"date":"2006-11-14T14:37:47","date_gmt":"2006-11-14T20:37:47","guid":{"rendered":"http:\/\/blog.tedatum.com\/?p=51"},"modified":"2006-11-14T14:37:47","modified_gmt":"2006-11-14T20:37:47","slug":"taking-care-of-the-little-bits","status":"publish","type":"post","link":"https:\/\/blog.thehobbyistmachineshop.com\/?p=54","title":{"rendered":"Taking care of the little bits."},"content":{"rendered":"<p>I did my homework. I looked up the <a title=\"303 Stainless\" href=\"http:\/\/www.alleghenytechnologies.com\/ludlum\/pages\/products\/xq\/asp\/P.43\/qx\/product.html#\" target=\"_blank\">characteristics of 303 stainless steel<\/a>. Then I had to do a bunch of rather interesting math. Here is the quote that caught my attention:<\/p>\n<blockquote>\n<p align=\"left\">&#8220;Since Alloy 303 will work harden, it should be machined at reduced surface feet per minute and heavier feeds to prevent glazing at the tool interface.&#8221;<\/p>\n<\/blockquote>\n<p>Circumfrence of a 1\/8 inch diameter mill bit, Pi,\u00a0surface feet per minute (SFM), number of flutes, feed in inches per revolution (IPR) per tooth, rotations per minute (RPM); all figured to the forth decimal. Phew! My math works out to 3361\u00a0RPM and 14 IPM. At least that is a starting point. I was using more like 6000\u00a0RPM and 5 IPM. Bad Dog!<\/p>\n<p>If that is all geek speak, that OK. I bet you didn&#8217;t know machining was a nerd&#8217;s job.<\/p>\n<p>Sometine soon I&#8217;ll try the new numbers and see how many more 1\/8 inch end mills I can break.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I did my homework. I looked up the characteristics of 303 stainless steel. Then I had to do a bunch of rather interesting math. Here is the quote that caught my attention: &#8220;Since Alloy 303 will work harden, it should be machined at reduced surface feet per minute and heavier feeds to prevent glazing at [&hellip;]<\/p>\n","protected":false},"author":77778,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[10],"tags":[],"class_list":["post-54","post","type-post","status-publish","format-standard","hentry","category-workshop"],"_links":{"self":[{"href":"https:\/\/blog.thehobbyistmachineshop.com\/index.php?rest_route=\/wp\/v2\/posts\/54","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=54"}],"version-history":[{"count":0,"href":"https:\/\/blog.thehobbyistmachineshop.com\/index.php?rest_route=\/wp\/v2\/posts\/54\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.thehobbyistmachineshop.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=54"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.thehobbyistmachineshop.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=54"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.thehobbyistmachineshop.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=54"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}