{"id":6428,"date":"2013-05-01T05:30:50","date_gmt":"2013-05-01T03:30:50","guid":{"rendered":"http:\/\/lukse.lt\/uzrasai\/?p=6428"},"modified":"2014-03-12T02:14:17","modified_gmt":"2014-03-12T00:14:17","slug":"cnc-machining-gopro-hero-3-lens-cap-from-acrylic","status":"publish","type":"post","link":"https:\/\/lukse.lt\/uzrasai\/2013-05-cnc-machining-gopro-hero-3-lens-cap-from-acrylic\/","title":{"rendered":"CNC: machining gopro hero 3 lens cap from acrylic"},"content":{"rendered":"<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-6455 alignleft\" alt=\"CIMG9255_\" src=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9255_-200x200.jpg\" width=\"200\" height=\"200\" \/>As soon as I received my GoPro camera, I knew it needs a lens cap. I knew there were plenty of options to buy, but a) I was not eager to wait and b) I could manufacture it by myself. So, lets go ahead and manufacture it.<\/p>\n<div align=\"center\"><!--more--><\/div>\n<h3><\/h3>\n<h3><\/h3>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3><\/h3>\n<h3>CAD model<\/h3>\n<p>In several minutes I sketched a 3D model and made G-code to cut it out of stock material.<\/p>\n<div id=\"attachment_6462\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><a onclick=\"javascript:pageTracker._trackPageview('\/downloads\/uzrasai\/wp-content\/uploads\/2013\/04\/11.png');\"  href=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/11.png\" rel=\"lightbox[6428]\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6462\" class=\"size-medium wp-image-6462\" alt=\"1\" src=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/11-400x334.png\" width=\"400\" height=\"334\" srcset=\"https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/11-400x334.png 400w, https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/11.png 1000w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><p id=\"caption-attachment-6462\" class=\"wp-caption-text\">Lens cap dimensions<\/p><\/div>\n<div id=\"attachment_6463\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><a onclick=\"javascript:pageTracker._trackPageview('\/downloads\/uzrasai\/wp-content\/uploads\/2013\/04\/21.png');\"  href=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/21.png\" rel=\"lightbox[6428]\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6463\" class=\"size-medium wp-image-6463\" alt=\"2\" src=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/21-400x268.png\" width=\"400\" height=\"268\" srcset=\"https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/21-400x268.png 400w, https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/21.png 1000w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><p id=\"caption-attachment-6463\" class=\"wp-caption-text\">Underwater case lens dimensions<\/p><\/div>\n<h3>Materials and tools<\/h3>\n<p>I have chosen 10mm thickness clear acrylic (plexiglass) &#8211; I found right piece in my scrap.<\/p>\n<p>I have used these tools:<\/p>\n<div id=\"attachment_6370\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><a onclick=\"javascript:pageTracker._trackPageview('\/downloads\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9217_.jpg');\"  href=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9217_.jpg\" rel=\"lightbox[6428]\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6370\" class=\"size-medium wp-image-6370\" alt=\"CIMG9217_\" src=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9217_-400x232.jpg\" width=\"400\" height=\"232\" srcset=\"https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9217_-400x232.jpg 400w, https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9217_.jpg 800w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><p id=\"caption-attachment-6370\" class=\"wp-caption-text\">2 flute carbide 3mm end mill<\/p><\/div>\n<div id=\"attachment_6450\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><a onclick=\"javascript:pageTracker._trackPageview('\/downloads\/uzrasai\/wp-content\/uploads\/2013\/04\/engraving-tool.jpg');\"  href=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/engraving-tool.jpg\" rel=\"lightbox[6428]\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6450\" class=\"size-medium wp-image-6450\" alt=\"engraving tool\" src=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/engraving-tool-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/engraving-tool-400x300.jpg 400w, https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/engraving-tool.jpg 500w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><p id=\"caption-attachment-6450\" class=\"wp-caption-text\">3mm 90* carbide router engraving tool<\/p><\/div>\n<p>&nbsp;<\/p>\n<h3>Feeds and speeds (camera lens cap)<\/h3>\n<p>&nbsp;<\/p>\n<div id=\"attachment_6435\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><a onclick=\"javascript:pageTracker._trackPageview('\/downloads\/uzrasai\/wp-content\/uploads\/2013\/04\/2_chamfering.png');\"  href=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/2_chamfering.png\" rel=\"lightbox[6428]\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6435\" class=\"size-medium wp-image-6435 \" alt=\"2_chamfering\" src=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/2_chamfering-400x314.png\" width=\"400\" height=\"314\" srcset=\"https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/2_chamfering-400x314.png 400w, https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/2_chamfering.png 600w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><p id=\"caption-attachment-6435\" class=\"wp-caption-text\">Chamfer milling. 90* Engraving bit. (Profile depth 0.5mm; Feed 300 mm\/min; Spindle 24000 RPM)<\/p><\/div>\n<p>It&#8217;s best to clear tool path by removing material first and chamfering later, but toll\/material configuration is very forgiving, so I am chamfering at first and removing rest material after.<\/p>\n<div id=\"attachment_6436\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><a onclick=\"javascript:pageTracker._trackPageview('\/downloads\/uzrasai\/wp-content\/uploads\/2013\/04\/3_face_milling.png');\"  href=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/3_face_milling.png\" rel=\"lightbox[6428]\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6436\" class=\"size-medium wp-image-6436  \" alt=\"3_face_milling\" src=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/3_face_milling-400x308.png\" width=\"400\" height=\"308\" srcset=\"https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/3_face_milling-400x308.png 400w, https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/3_face_milling.png 600w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><p id=\"caption-attachment-6436\" class=\"wp-caption-text\">Face milling. (Face depth 0.1mm; Feed 700 mm\/min; Spindle 24000 RPM)<\/p><\/div>\n<div id=\"attachment_6437\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><a onclick=\"javascript:pageTracker._trackPageview('\/downloads\/uzrasai\/wp-content\/uploads\/2013\/04\/4_pocket_milling.png');\"  href=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/4_pocket_milling.png\" rel=\"lightbox[6428]\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6437\" class=\"size-medium wp-image-6437 \" alt=\"4_pocket_milling\" src=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/4_pocket_milling-400x320.png\" width=\"400\" height=\"320\" srcset=\"https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/4_pocket_milling-400x320.png 400w, https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/4_pocket_milling.png 600w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><p id=\"caption-attachment-6437\" class=\"wp-caption-text\">Pocket milling. (Face depth 6mm; Feed 700 mm\/min; Step down 1mm; Spindle 24000 RPM)<\/p><\/div>\n<div id=\"attachment_6438\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><a onclick=\"javascript:pageTracker._trackPageview('\/downloads\/uzrasai\/wp-content\/uploads\/2013\/04\/5_cutting_outside.png');\"  href=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/5_cutting_outside.png\" rel=\"lightbox[6428]\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6438\" class=\"size-medium wp-image-6438 \" alt=\"5_cutting_outside\" src=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/5_cutting_outside-400x330.png\" width=\"400\" height=\"330\" srcset=\"https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/5_cutting_outside-400x330.png 400w, https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/5_cutting_outside.png 600w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><p id=\"caption-attachment-6438\" class=\"wp-caption-text\">Cutting outside. (Face depth 6mm; Feed 600 mm\/min; Step down 1mm; Spindle 24000 RPM)<\/p><\/div>\n<h3><\/h3>\n<h3>Feeds and speeds (enclosure lens cap)<\/h3>\n<p>\u00a0Steps and manufacturing parameters are the same, so I will not repeat myself.<\/p>\n<div id=\"attachment_6452\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><a onclick=\"javascript:pageTracker._trackPageview('\/downloads\/uzrasai\/wp-content\/uploads\/2013\/04\/2013-04-30_14-46-13.png');\"  href=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/2013-04-30_14-46-13.png\" rel=\"lightbox[6428]\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6452\" class=\"size-medium wp-image-6452\" alt=\"2013-04-30_14-46-13\" src=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/2013-04-30_14-46-13-400x284.png\" width=\"400\" height=\"284\" srcset=\"https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/2013-04-30_14-46-13-400x284.png 400w, https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/2013-04-30_14-46-13.png 600w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><p id=\"caption-attachment-6452\" class=\"wp-caption-text\">Enclosure lens cap<\/p><\/div>\n<p style=\"text-align: center;\">\n<h3>Video<\/h3>\n<p style=\"text-align: center;\">\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" width=\"480\" height=\"360\" src=\"http:\/\/www.youtube.com\/embed\/RxZc6IejsL0?rel=0\" allowfullscreen=\"\" frameborder=\"0\"><\/iframe><\/p>\n<h3 style=\"text-align: center;\"><\/h3>\n<h3>Results<\/h3>\n<p>I am very happy with with both caps. They fit just right the way they need to.<\/p>\n<div id=\"attachment_6456\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><a onclick=\"javascript:pageTracker._trackPageview('\/downloads\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9259_.jpg');\"  href=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9259_.jpg\" rel=\"lightbox[6428]\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6456\" class=\"size-medium wp-image-6456\" alt=\"CIMG9259_\" src=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9259_-400x177.jpg\" width=\"400\" height=\"177\" srcset=\"https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9259_-400x177.jpg 400w, https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9259_.jpg 1000w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><p id=\"caption-attachment-6456\" class=\"wp-caption-text\">Both manufactured caps<\/p><\/div>\n<div id=\"attachment_6455\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><a onclick=\"javascript:pageTracker._trackPageview('\/downloads\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9255_.jpg');\"  href=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9255_.jpg\" rel=\"lightbox[6428]\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6455\" class=\"size-medium wp-image-6455\" alt=\"CIMG9255_\" src=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9255_-400x319.jpg\" width=\"400\" height=\"319\" srcset=\"https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9255_-400x319.jpg 400w, https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9255_.jpg 800w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><p id=\"caption-attachment-6455\" class=\"wp-caption-text\">Lens cap on waterproof case<\/p><\/div>\n<div id=\"attachment_6457\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><a onclick=\"javascript:pageTracker._trackPageview('\/downloads\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9260_.jpg');\"  href=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9260_.jpg\" rel=\"lightbox[6428]\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6457\" class=\"size-medium wp-image-6457\" alt=\"CIMG9260_\" src=\"http:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9260_-400x278.jpg\" width=\"400\" height=\"278\" srcset=\"https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9260_-400x278.jpg 400w, https:\/\/lukse.lt\/uzrasai\/wp-content\/uploads\/2013\/04\/CIMG9260_.jpg 800w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><p id=\"caption-attachment-6457\" class=\"wp-caption-text\">Lens cap on gopro hero 3 camera<\/p><\/div>\n<h3 style=\"text-align: left;\">\u00a0Notes<\/h3>\n<ul>\n<li>Wet manual way or use flood to cool down work tool while cutting. If no, material will not be able to clean and will start to stick to big blob around end mill. Acrylic will melt and tool will break.<\/li>\n<li>Another option is to use compressed air. It will also help cooling tool and clear chips. One drawback it&#8217;s messy. Chips will fly everywhere.<\/li>\n<li>I have chosen strategy to use manual wetting. I did not cleared wet chips intentionally &#8211; it helped to reduce flying chips and water particles.<\/li>\n<li>I used emulsion instead of plain water. It lubricates tool and prevents rusting.<\/li>\n<\/ul>\n<p><\/p>\n<dl class=\"wp-caption aligncenter\" id=\"attachment_6491\" style=\"width: 410px;\">\n<dd class=\"wp-caption-dd\">Safety first &#8211; wear eye protection!<\/dd>\n<\/dl>\n<p style=\"text-align: center;\">\n","protected":false},"excerpt":{"rendered":"<p>As soon as I received my GoPro camera, I knew it needs a lens cap. I knew there were plenty of options to buy, but a) I was not eager to wait and b) I could manufacture it by myself. So, lets go ahead and manufacture it.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"jetpack_post_was_ever_published":false,"_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":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[39,5,15],"tags":[],"class_list":["post-6428","post","type-post","status-publish","format-standard","hentry","category-cnc","category-uzrasai","category-video"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p2rU5c-1FG","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/lukse.lt\/uzrasai\/wp-json\/wp\/v2\/posts\/6428","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lukse.lt\/uzrasai\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lukse.lt\/uzrasai\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lukse.lt\/uzrasai\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lukse.lt\/uzrasai\/wp-json\/wp\/v2\/comments?post=6428"}],"version-history":[{"count":49,"href":"https:\/\/lukse.lt\/uzrasai\/wp-json\/wp\/v2\/posts\/6428\/revisions"}],"predecessor-version":[{"id":7391,"href":"https:\/\/lukse.lt\/uzrasai\/wp-json\/wp\/v2\/posts\/6428\/revisions\/7391"}],"wp:attachment":[{"href":"https:\/\/lukse.lt\/uzrasai\/wp-json\/wp\/v2\/media?parent=6428"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lukse.lt\/uzrasai\/wp-json\/wp\/v2\/categories?post=6428"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lukse.lt\/uzrasai\/wp-json\/wp\/v2\/tags?post=6428"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}