{"id":202,"date":"2013-02-26T17:01:03","date_gmt":"2013-02-26T17:01:03","guid":{"rendered":"http:\/\/blog.amberspyglass.co.uk\/?p=202"},"modified":"2013-02-26T17:01:03","modified_gmt":"2013-02-26T17:01:03","slug":"new-spacers-belt-clamps-and-belt-tensioners","status":"publish","type":"post","link":"https:\/\/amberspyglass.co.uk\/blog\/2013\/02\/26\/new-spacers-belt-clamps-and-belt-tensioners\/","title":{"rendered":"New Spacers, Belt Clamps and Belt Tensioners"},"content":{"rendered":"<p>I&#8217;m back home, more tired than when I left. \u00a0A small pile of orders is waiting to be picked, packed, and posted. \u00a0They&#8217;ll go out tomorrow.<\/p>\n<p>I&#8217;m always trying to make the eShapeOko kit better. \u00a0I made three changes:<\/p>\n<ul>\n<li><span style=\"line-height: 15px;\">Thicker nylon spacers. \u00a0They have 50% larger cross-section, so they should help make the X carriage more rigid.<\/span><\/li>\n<li>New belt clamps. \u00a0The kits now come with laser-cut belt clamps which take M5 screws and nuts to tighten. \u00a0They are a neater solution than the zip ties.<\/li>\n<li>Redesigned belt tensioners. \u00a0The new ones are longer, and instead of a half-circle cut-out for the head of the top X rail screw, they now have a large round hole.<\/li>\n<\/ul>\n<p>All kits from the third batch got the new belt clamps instead of the zip ties (a pleasant surprise, I hope), and some got the new belt tensioners. \u00a0The fourth batch will get the thicker nylon spacers, too.<\/p>\n<p>Speaking of spacers, I have a sample of aluminium spacers on their way to me. \u00a0If they&#8217;re good, they&#8217;ll go in the store as an upgrade. \u00a0Aluminium spacers help make the X carriage even more rigid, and they allow the bolts to be tightened much more without fear of squeezing the spacers. \u00a0I&#8217;ll offer them in kits for dual-X (twelve 25.4mm spacers plus two 6.35mm spacers) and individually. \u00a0I haven&#8217;t ordered any 19.05mm spacers in aluminium, because they&#8217;re used only for the single-X (no point in making the single-X carriage more rigid) and for the spindle mount (where nylon is perfectly fine).<\/p>\n<p>Also on their way are Pololu drivers (green, black and the new purple ones), emergency stop push buttons, and a few other little things.<\/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-202\" class=\"share-twitter sd-button no-icon\" href=\"https:\/\/amberspyglass.co.uk\/blog\/2013\/02\/26\/new-spacers-belt-clamps-and-belt-tensioners\/?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-202\" class=\"share-facebook 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I&#8217;m always trying to make the eShapeOko kit better. \u00a0I made three changes: Thicker &hellip; <a href=\"https:\/\/amberspyglass.co.uk\/blog\/2013\/02\/26\/new-spacers-belt-clamps-and-belt-tensioners\/\">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-202\" class=\"share-twitter sd-button no-icon\" href=\"https:\/\/amberspyglass.co.uk\/blog\/2013\/02\/26\/new-spacers-belt-clamps-and-belt-tensioners\/?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-202\" class=\"share-facebook sd-button no-icon\" 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