{"id":1089,"date":"2009-01-27T08:38:28","date_gmt":"2009-01-27T15:38:28","guid":{"rendered":"http:\/\/mightyohm.com\/blog\/?p=1089"},"modified":"2022-12-28T12:43:36","modified_gmt":"2022-12-28T20:43:36","slug":"improvements-to-the-diy-pid-controlled-soldering-hotplate","status":"publish","type":"post","link":"https:\/\/mightyohm.com\/blog\/2009\/01\/improvements-to-the-diy-pid-controlled-soldering-hotplate\/","title":{"rendered":"Improvements to the DIY PID-Controlled Soldering Hotplate"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/mightyohm.com\/files\/flickr\/3224112528_54f5f3a154.jpg\" alt=\"Improvements to PID Controlled Hotplate\" width=\"500\" height=\"375\" \/><\/p>\n<p>Last week I posted about the <a href=\"http:\/\/mightyohm.com\/blog\/2009\/01\/diy-pid-controlled-soldering-hotplate\/\">DIY PID-Controlled Soldering Hotplate<\/a> I designed and built to improve my surface mount soldering capabilities.<\/p>\n<p>I mentioned one issue I was having with the hotplate <a href=\"http:\/\/www.flickr.com\/photos\/mightyohm\/3200388775\/in\/set-72157612581741967\/\">on flickr<\/a>.\u00a0 Specifically, the aluminum baseplate was getting too hot for comfort (literally) when I set the hotplate to solder reflow temperatures (180-220C) for more than a few minutes.\u00a0 At the time I thought it was due to radiant heat from the upper aluminum block transferring to the bottom plate.\u00a0 I later discovered that the ceramic spacers I used to hold up the hotplate were much more thermally conductive than I thought and the screws I used to attach the baseplate to the spacers were burning hot before the rest of the baseplate.\u00a0 It was conducted heat, not radiant, that was the primary cause of the problem!<\/p>\n<p><a href=\"http:\/\/www.mcmaster.com\">McMaster-Carr<\/a> to the rescue!<\/p>\n<p>I was able to resolve the issue by reducing the diameter of the ceramic spacers from 1\/2&#8243; to 1\/4&#8243; and using all stainless hardware to attach the spacers.\u00a0 Now the baseplate stays relatively cool even with the hotplate at high temperatures for long periods of time.<\/p>\n<p><a href=\"http:\/\/www.flickr.com\/photos\/mightyohm\/sets\/72157612581741967\/\">View the complete set on flickr<\/a>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/mightyohm.com\/files\/flickr\/3223254473_941817c64f_t.jpg\" alt=\"Improvements to PID Controlled Hotplate\" width=\"100\" height=\"75\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/mightyohm.com\/files\/flickr\/3224111704_8a0ed1d8a3_t.jpg\" alt=\"Improvements to PID Controlled Hotplate\" width=\"100\" height=\"75\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/mightyohm.com\/files\/flickr\/3223253671_c384c8560c_t.jpg\" alt=\"Improvements to PID Controlled Hotplate\" width=\"100\" height=\"75\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/mightyohm.com\/files\/flickr\/3224111254_6d426aa2f3_t.jpg\" alt=\"Improvements to PID Controlled Hotplate\" width=\"100\" height=\"75\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/mightyohm.com\/files\/flickr\/3224111198_3e7ed87689_t.jpg\" alt=\"Improvements to PID Controlled Hotplate\" width=\"100\" height=\"75\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/mightyohm.com\/files\/flickr\/3223253357_26fb90b391_t.jpg\" alt=\"Improvements to PID Controlled Hotplate\" width=\"100\" height=\"75\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Last week I posted about the DIY PID-Controlled Soldering Hotplate I designed and built to improve my surface mount soldering capabilities. I mentioned one issue I was having with the hotplate on flickr.\u00a0 Specifically, the aluminum baseplate was getting too hot for comfort (literally) when I set the hotplate to solder reflow temperatures (180-220C) for &hellip; <a href=\"https:\/\/mightyohm.com\/blog\/2009\/01\/improvements-to-the-diy-pid-controlled-soldering-hotplate\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Improvements to the DIY PID-Controlled Soldering Hotplate<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[5,443],"tags":[36,501,147,159,20,148,149],"class_list":["post-1089","post","type-post","status-publish","format-standard","hentry","category-electronics","category-projects-2","tag-diy","tag-electronics","tag-hotplate","tag-mcmaster-carr","tag-pid","tag-soldering","tag-surface-mount"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pioCd-hz","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":1010,"url":"https:\/\/mightyohm.com\/blog\/2009\/01\/diy-pid-controlled-soldering-hotplate\/","url_meta":{"origin":1089,"position":0},"title":"DIY PID Controlled Soldering Hotplate","author":"Jeff","date":"January 17, 2009","format":false,"excerpt":"In preparation for my Arduino-based AVR HV Programmer boards coming back, I decided to step up my home lab surface mount soldering capabilities. Step one was to find a cheap stereo zoom microscope on ebay, with 7-32X magnification, perfect for working on surface mount devices.\u00a0 One of my biggest frustrations\u2026","rel":"","context":"In &quot;Electronics&quot;","block_context":{"text":"Electronics","link":"https:\/\/mightyohm.com\/blog\/category\/electronics\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/mightyohm.com\/blog\/wp-content\/uploads\/2009\/01\/3201234462_c0a761b898_o.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/mightyohm.com\/blog\/wp-content\/uploads\/2009\/01\/3201234462_c0a761b898_o.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/mightyohm.com\/blog\/wp-content\/uploads\/2009\/01\/3201234462_c0a761b898_o.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/mightyohm.com\/blog\/wp-content\/uploads\/2009\/01\/3201234462_c0a761b898_o.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/mightyohm.com\/blog\/wp-content\/uploads\/2009\/01\/3201234462_c0a761b898_o.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/mightyohm.com\/blog\/wp-content\/uploads\/2009\/01\/3201234462_c0a761b898_o.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":1823,"url":"https:\/\/mightyohm.com\/blog\/2009\/05\/keiths-hotplate-and-pid-controller-teardown-pics\/","url_meta":{"origin":1089,"position":1},"title":"Keith&#8217;s Hotplate and PID Controller Teardown Pics","author":"Jeff","date":"May 18, 2009","format":false,"excerpt":"Keith of Keith's Electronics Blog made a PID-Controlled Soldering Hotplate based on the one I fabricated earlier this year.\u00a0 He's already using it to build the stepper controller PCB for the MakerBot CupCake CNC! He also posted a bunch of teardown photos (like the one shown below) of the CD101\u2026","rel":"","context":"In &quot;Electronics&quot;","block_context":{"text":"Electronics","link":"https:\/\/mightyohm.com\/blog\/category\/electronics\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www2.neufeld.newton.ks.us\/images\/electronics\/2009\/05\/03\/DSCN3673_mid.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":3410,"url":"https:\/\/mightyohm.com\/blog\/2010\/12\/changes-to-the-mightyohm-wiki\/","url_meta":{"origin":1089,"position":2},"title":"Changes to the MightyOhm Wiki","author":"Jeff","date":"December 11, 2010","format":false,"excerpt":"I've been making some changes and additions to the MightyOhm Wiki over the past few days. To complement the awesome list of surplus electronics shops, I started creating wiki pages for the various projects I have previously documented on the blog. Last night I added\u00a0a list of cheap PID controllers\u2026","rel":"","context":"In &quot;Books and Resources&quot;","block_context":{"text":"Books and Resources","link":"https:\/\/mightyohm.com\/blog\/category\/books-and-resources\/"},"img":{"alt_text":"projects:hotplate","src":"https:\/\/i0.wp.com\/mightyohm.com\/files\/flickr\/5251955045_dc19735278.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":1133,"url":"https:\/\/mightyohm.com\/blog\/2009\/01\/heated-stage-for-thermosonic-wedge-bonding\/","url_meta":{"origin":1089,"position":3},"title":"Heated Stage for Thermosonic Wedge Bonding","author":"Jeff","date":"January 28, 2009","format":false,"excerpt":"My friend Tony created an instructable about his Heated Stage for Thermosonic Wedge Bonding, based on my PID controlled soldering hotplate design. Tony is building a home wirebonding station so he can work with microwave MMICs and build very high frequency amateur radio transceivers. Nice job, Tony!","rel":"","context":"In &quot;Electronics&quot;","block_context":{"text":"Electronics","link":"https:\/\/mightyohm.com\/blog\/category\/electronics\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.instructables.com\/files\/deriv\/FNP\/PMNT\/FQCTITAT\/FNPPMNTFQCTITAT.MEDIUM.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":2079,"url":"https:\/\/mightyohm.com\/blog\/2009\/07\/celebrating-one-year-of-hacks-and-projects-at-mightyohm-com\/","url_meta":{"origin":1089,"position":4},"title":"Celebrating one year of hacks and projects at mightyohm.com!","author":"Jeff","date":"July 20, 2009","format":false,"excerpt":"Wow!\u00a0 I can't believe it's been a year! Based on the date of my first post, last Wednesday marked the one year anniversary of my blog. While I pour a toast, here are a few highlights of the past year: PID Controlled Solder Paste Fridge The first project I documented\u2026","rel":"","context":"In &quot;Events&quot;","block_context":{"text":"Events","link":"https:\/\/mightyohm.com\/blog\/category\/events\/"},"img":{"alt_text":"PID Controller closeup","src":"https:\/\/i0.wp.com\/mightyohm.com\/files\/flickr\/2706936015_5d8ef1cfd5.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":2675,"url":"https:\/\/mightyohm.com\/blog\/2009\/12\/2009-in-review\/","url_meta":{"origin":1089,"position":5},"title":"2009 in Review","author":"Jeff","date":"December 31, 2009","format":false,"excerpt":"Wow, 2010 came a lot quicker than I expected!\u00a0 With one day to spare, here's a brief look back at some of the highlights of 2009 here at mightyohm.com. DIY PID-Controlled Soldering Hotplate: I needed a hotplate for surface mount soldering, so I built one from scratch using a milled\u2026","rel":"","context":"In &quot;Electronics&quot;","block_context":{"text":"Electronics","link":"https:\/\/mightyohm.com\/blog\/category\/electronics\/"},"img":{"alt_text":"PID Controlled Hotplate","src":"https:\/\/i0.wp.com\/mightyohm.com\/files\/flickr\/3200389041_3d2f7a7e3b.jpg?resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/posts\/1089","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/comments?post=1089"}],"version-history":[{"count":20,"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/posts\/1089\/revisions"}],"predecessor-version":[{"id":15831,"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/posts\/1089\/revisions\/15831"}],"wp:attachment":[{"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/media?parent=1089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/categories?post=1089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/tags?post=1089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}