{"id":867,"date":"2015-01-23T13:59:09","date_gmt":"2015-01-23T13:59:09","guid":{"rendered":"http:\/\/blog.amberspyglass.co.uk\/?p=867"},"modified":"2015-03-30T11:19:05","modified_gmt":"2015-03-30T10:19:05","slug":"megarail-z","status":"publish","type":"post","link":"https:\/\/amberspyglass.co.uk\/blog\/2015\/01\/23\/megarail-z\/","title":{"rendered":"MegaRail Z"},"content":{"rendered":"<p><img loading=\"lazy\" class=\"alignright size-medium wp-image-868\" src=\"http:\/\/amberspyglass.co.uk\/blog\/wp-content\/uploads\/2015\/01\/MegaRail-Z1-and-Z2-211x300.png\" alt=\"MegaRail-Z1-and-Z2\" width=\"211\" height=\"300\" srcset=\"https:\/\/amberspyglass.co.uk\/blog\/wp-content\/uploads\/2015\/01\/MegaRail-Z1-and-Z2-211x300.png 211w, https:\/\/amberspyglass.co.uk\/blog\/wp-content\/uploads\/2015\/01\/MegaRail-Z1-and-Z2-106x150.png 106w, https:\/\/amberspyglass.co.uk\/blog\/wp-content\/uploads\/2015\/01\/MegaRail-Z1-and-Z2.png 312w\" sizes=\"(max-width: 211px) 100vw, 211px\" \/>These are the two designs I&#8217;m considering for MegaRail Z. They&#8217;re up <a href=\"https:\/\/github.com\/amberspyglass\/parts\/\">on GitHub<\/a>, also as PDF <a href=\"http:\/\/amberspyglass.co.uk\/resources\/parts\/pdf\/MegaRail-Z1.pdf\">here<\/a> and <a href=\"http:\/\/amberspyglass.co.uk\/resources\/parts\/pdf\/MegaRail-Z2.pdf\">here<\/a>.<\/p>\n<p>The right side is the same in both cases. \u00a0The only difference is that the first profile has an additional T-slot. The side T-slot\u00a0can be useful for attaching shields (in certain configurations), tabs for limit switches, and other accessories like that. The larger footprint is a disadvantage.<\/p>\n<p>Both profiles have exactly 15 mm between the V centerline and the base. With standard MakerSlide V-wheels, this gives 21.45 mm of space between the carriage and the surface MegaRail Z is attached to. That should be enough for smaller lead nuts (a Tr 8 anti-backlash nut is typically 20 mm diameter).<\/p>\n<p>I sent all variants I&#8217;m considering out for costing, and I&#8217;m hoping to hear back from the extruder soon.<\/p>\n<div class=\"sharedaddy sd-sharing-enabled\"><div class=\"robots-nocontent sd-block sd-social sd-social-text sd-sharing\"><h3 class=\"sd-title\">Share this:<\/h3><div class=\"sd-content\"><ul><li class=\"share-twitter\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-twitter-867\" class=\"share-twitter sd-button no-icon\" href=\"https:\/\/amberspyglass.co.uk\/blog\/2015\/01\/23\/megarail-z\/?share=twitter\" target=\"_blank\" title=\"Click to share on Twitter\"><span>Twitter<\/span><\/a><\/li><li class=\"share-facebook\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-facebook-867\" class=\"share-facebook sd-button no-icon\" href=\"https:\/\/amberspyglass.co.uk\/blog\/2015\/01\/23\/megarail-z\/?share=facebook\" target=\"_blank\" title=\"Click to share on Facebook\"><span>Facebook<\/span><\/a><\/li><li class=\"share-email\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-email sd-button no-icon\" href=\"https:\/\/amberspyglass.co.uk\/blog\/2015\/01\/23\/megarail-z\/?share=email\" target=\"_blank\" title=\"Click to email this to a friend\"><span>Email<\/span><\/a><\/li><li><a href=\"#\" class=\"sharing-anchor sd-button share-more\"><span>More<\/span><\/a><\/li><li class=\"share-end\"><\/li><\/ul><div class=\"sharing-hidden\"><div class=\"inner\" style=\"display: none;\"><ul><li class=\"share-tumblr\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-tumblr sd-button no-icon\" href=\"https:\/\/amberspyglass.co.uk\/blog\/2015\/01\/23\/megarail-z\/?share=tumblr\" target=\"_blank\" title=\"Click to share on Tumblr\"><span>Tumblr<\/span><\/a><\/li><li class=\"share-pinterest\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-pinterest-867\" class=\"share-pinterest sd-button no-icon\" href=\"https:\/\/amberspyglass.co.uk\/blog\/2015\/01\/23\/megarail-z\/?share=pinterest\" target=\"_blank\" title=\"Click to share on Pinterest\"><span>Pinterest<\/span><\/a><\/li><li class=\"share-end\"><\/li><li class=\"share-linkedin\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-linkedin-867\" class=\"share-linkedin sd-button no-icon\" href=\"https:\/\/amberspyglass.co.uk\/blog\/2015\/01\/23\/megarail-z\/?share=linkedin\" target=\"_blank\" title=\"Click to share on LinkedIn\"><span>LinkedIn<\/span><\/a><\/li><li class=\"share-reddit\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-reddit sd-button no-icon\" href=\"https:\/\/amberspyglass.co.uk\/blog\/2015\/01\/23\/megarail-z\/?share=reddit\" target=\"_blank\" title=\"Click to share on Reddit\"><span>Reddit<\/span><\/a><\/li><li class=\"share-end\"><\/li><li class=\"share-pocket\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-pocket sd-button no-icon\" href=\"https:\/\/amberspyglass.co.uk\/blog\/2015\/01\/23\/megarail-z\/?share=pocket\" target=\"_blank\" title=\"Click to share on Pocket\"><span>Pocket<\/span><\/a><\/li><li class=\"share-print\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-print sd-button no-icon\" href=\"https:\/\/amberspyglass.co.uk\/blog\/2015\/01\/23\/megarail-z\/\" target=\"_blank\" title=\"Click to print\"><span>Print<\/span><\/a><\/li><li class=\"share-end\"><\/li><li class=\"share-end\"><\/li><\/ul><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>These are the two designs I&#8217;m considering for MegaRail Z. They&#8217;re up on GitHub, also as PDF here and here. The right side is the same in both cases. \u00a0The only difference is that the first profile has an additional &hellip; <a href=\"https:\/\/amberspyglass.co.uk\/blog\/2015\/01\/23\/megarail-z\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n<div class=\"sharedaddy sd-sharing-enabled\"><div class=\"robots-nocontent sd-block sd-social sd-social-text sd-sharing\"><h3 class=\"sd-title\">Share this:<\/h3><div class=\"sd-content\"><ul><li class=\"share-twitter\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-twitter-867\" class=\"share-twitter sd-button no-icon\" href=\"https:\/\/amberspyglass.co.uk\/blog\/2015\/01\/23\/megarail-z\/?share=twitter\" target=\"_blank\" title=\"Click to share on Twitter\"><span>Twitter<\/span><\/a><\/li><li class=\"share-facebook\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-facebook-867\" class=\"share-facebook sd-button no-icon\" 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