{"id":166,"date":"2013-10-02T06:48:04","date_gmt":"2013-10-02T06:48:04","guid":{"rendered":"http:\/\/www.waters.to\/blog\/?p=166"},"modified":"2013-12-04T16:36:47","modified_gmt":"2013-12-04T16:36:47","slug":"excellent-glue-for-3d-printed-pla-parts","status":"publish","type":"post","link":"http:\/\/www.waters.to\/blog\/excellent-glue-for-3d-printed-pla-parts\/","title":{"rendered":"Polycaprolactone, an Excellent Glue for 3d-Printed PLA parts"},"content":{"rendered":"<p>3d printed PLA is notoriously difficult to glue, but I have discovered an easy-to-handle, non-toxic glue that works really well with it: Polycaprolactone.   I get mine in pellet form for about $20\/lb &#8212; a <a target=\"_blank\" href=\"http:\/\/www.amazon.com\/s\/?_encoding=UTF8&#038;camp=1789&#038;creative=390957&#038;field-keywords=polycaprolactone&#038;linkCode=ur2&#038;rh=i%3Aaps%2Ck%3Apolycaprolactone&#038;sprefix=polycapro%2Caps%2C211&#038;tag=watersto-20&#038;url=search-alias%3Daps\">search on Amazon for polycaprolactone<\/a><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ir-na.amazon-adsystem.com\/e\/ir?t=watersto-20&#038;l=ur2&#038;o=1\" width=\"1\" height=\"1\" border=\"0\" alt=\"\" style=\"border:none !important; margin:0px !important;\" \/> will turn up several different brands, and you can also find it at <a href=\"http:\/\/www.makershed.com\/product_p\/mkshl1-500.htm\">makershed.com<\/a>.<\/p>\n<p>Here, you can see a 3d-printed bracket that cracked due to poor layer orientation.  No big deal &#8212; I just heated up a couple of pellets of PCL in hot water, pressed them into the gap like plumber&#8217;s putty, and squeezed the parts together.  2 minute fix, vs a couple of hours to re-print&#8230;<\/p>\n<p><a href=\"http:\/\/www.waters.to\/blog\/wp-content\/uploads\/2013\/10\/repaired-bracket.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.waters.to\/blog\/wp-content\/uploads\/2013\/10\/repaired-bracket-1024x1024.jpg\" alt=\"repaired bracket\" width=\"1024\" height=\"1024\" class=\"alignnone size-large wp-image-167\" srcset=\"http:\/\/www.waters.to\/blog\/wp-content\/uploads\/2013\/10\/repaired-bracket-1024x1024.jpg 1024w, http:\/\/www.waters.to\/blog\/wp-content\/uploads\/2013\/10\/repaired-bracket-150x150.jpg 150w, http:\/\/www.waters.to\/blog\/wp-content\/uploads\/2013\/10\/repaired-bracket-300x300.jpg 300w, http:\/\/www.waters.to\/blog\/wp-content\/uploads\/2013\/10\/repaired-bracket.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>The color even matches pretty well!  I didn&#8217;t bother to clean up the squeeze-out, but that would have been easy enough to scrape off while the glue was still warm.<\/p>\n<p>As another example, I used a single pellet of PCL to carefully glue each gear shaft of this elliptical gear set.   <\/p>\n<div id=\"attachment_168\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/www.waters.to\/blog\/wp-content\/uploads\/2013\/10\/gear-shaft.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-168\" src=\"http:\/\/www.waters.to\/blog\/wp-content\/uploads\/2013\/10\/gear-shaft-1024x1024.jpg\" alt=\"Elliptical PLA gears, with a single bead of PCL to glue the shafts together.\" width=\"1024\" height=\"1024\" class=\"size-large wp-image-168\" srcset=\"http:\/\/www.waters.to\/blog\/wp-content\/uploads\/2013\/10\/gear-shaft-1024x1024.jpg 1024w, http:\/\/www.waters.to\/blog\/wp-content\/uploads\/2013\/10\/gear-shaft-150x150.jpg 150w, http:\/\/www.waters.to\/blog\/wp-content\/uploads\/2013\/10\/gear-shaft-300x300.jpg 300w, http:\/\/www.waters.to\/blog\/wp-content\/uploads\/2013\/10\/gear-shaft.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><p id=\"caption-attachment-168\" class=\"wp-caption-text\">Elliptical PLA gears, with a single bead of PCL to glue the shafts together.<\/p><\/div>\n<p>It wasn&#8217;t hard to keep the gears from locking up &#8212; I just spun the gears for the 30 seconds or so that it takes the glue to cool off.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>3d printed PLA is notoriously difficult to glue, but I have discovered an easy-to-handle, non-toxic glue that works really well with it: Polycaprolactone. I get mine in pellet form for about $20\/lb &#8212; a search on Amazon for polycaprolactone will &hellip; <a href=\"http:\/\/www.waters.to\/blog\/excellent-glue-for-3d-printed-pla-parts\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[20,7,6],"class_list":["post-166","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-3d-printing","tag-pcl","tag-polycaprolactone"],"aioseo_notices":[],"_links":{"self":[{"href":"http:\/\/www.waters.to\/blog\/wp-json\/wp\/v2\/posts\/166","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.waters.to\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.waters.to\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.waters.to\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.waters.to\/blog\/wp-json\/wp\/v2\/comments?post=166"}],"version-history":[{"count":10,"href":"http:\/\/www.waters.to\/blog\/wp-json\/wp\/v2\/posts\/166\/revisions"}],"predecessor-version":[{"id":193,"href":"http:\/\/www.waters.to\/blog\/wp-json\/wp\/v2\/posts\/166\/revisions\/193"}],"wp:attachment":[{"href":"http:\/\/www.waters.to\/blog\/wp-json\/wp\/v2\/media?parent=166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.waters.to\/blog\/wp-json\/wp\/v2\/categories?post=166"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.waters.to\/blog\/wp-json\/wp\/v2\/tags?post=166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}