{"id":5802,"date":"2022-07-24T11:59:53","date_gmt":"2022-07-24T09:59:53","guid":{"rendered":"https:\/\/www.primalucelab.it\/blog\/?post_type=ht_kb&#038;p=5802"},"modified":"2024-07-24T12:00:58","modified_gmt":"2024-07-24T10:00:58","slug":"how-to-minimise-backlash-in-altos-arm-rotation","status":"publish","type":"ht_kb","link":"https:\/\/www.primalucelab.com\/blog\/support\/how-to-minimise-backlash-in-altos-arm-rotation\/","title":{"rendered":"How to minimise backlash in ALTO&#8217;s arm rotation"},"content":{"rendered":"<p style=\"text-align: justify;\">As described in the ALTO&#8217;s manual, when ALTO arm rotates you may notice a small hesitation or gap in the movement as the weight of the ALTO\/GIOTTO passes through the apex of the movement. This is normal as the weight of the GIOTTO transitions from an upward to a downward movement (or opposite) and the backlash in the drive gear settles. But this backlash has to be small so, if you notice a large backlash (that can be generated if you manually force ALTO&#8217;s arm rotation), you can follow this guide in order to minimise backlash.<\/p>\n<p><!--more--><\/p>\n<p style=\"text-align: justify;\">By using a 2mm Allen key slightly loosen the grub screw that locks the ALTO&#8217;s arm to the motor shaft, as you can see in the picture below.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5803\" src=\"https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image1.jpg\" alt=\"How to minimise backlash in ALTO's arm rotation\" width=\"1000\" height=\"921\" srcset=\"https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image1.jpg 2000w, https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image1-300x276.jpg 300w, https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image1-1024x943.jpg 1024w, https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image1-768x707.jpg 768w, https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image1-50x46.jpg 50w, https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image1-1536x1414.jpg 1536w, https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image1-60x55.jpg 60w, https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image1-100x92.jpg 100w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Now rotate the ALTO arm so that the position of the grub screw aligns with the flat side of the motor shaft. Keep in mind that the motor shaft is not visible, so you will need to find the position of the flat side by making small adjustments until you find the best position to tighten the grub screw.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5805\" src=\"https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image2.jpg\" alt=\"How to minimise backlash in ALTO's arm rotation\" width=\"1000\" height=\"611\" srcset=\"https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image2.jpg 1640w, https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image2-300x183.jpg 300w, https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image2-1024x626.jpg 1024w, https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image2-768x469.jpg 768w, https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image2-50x31.jpg 50w, https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image2-1536x938.jpg 1536w, https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image2-60x37.jpg 60w, https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image2-100x61.jpg 100w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: justify;\">Now tighten the grub screw and test if backlash of ALTO&#8217;s arm rotation is now reduced.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>As described in the ALTO&#8217;s manual, when ALTO arm rotates you may notice a small hesitation or gap in the movement as the weight of the ALTO\/GIOTTO passes through the apex of the movement. This is normal as the weight of the GIOTTO transitions from an upward to a downward&#8230;<\/p>\n","protected":false},"author":2,"featured_media":5803,"template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[89],"ht-kb-tag":[],"class_list":["post-5802","ht_kb","type-ht_kb","status-publish","format-standard","has-post-thumbnail","hentry","ht_kb_category-alto-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to minimise backlash in ALTO&#039;s arm rotation - PrimaLuceLab<\/title>\n<meta name=\"description\" content=\"If you notice a small hesitation or gap in the ALTO&#039;s rotation, follow this guide in order to minimise backlash in ALTO&#039;s arm rotation.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.primalucelab.com\/blog\/support\/how-to-minimise-backlash-in-altos-arm-rotation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to minimise backlash in ALTO&#039;s arm rotation - PrimaLuceLab\" \/>\n<meta property=\"og:description\" content=\"If you notice a small hesitation or gap in the ALTO&#039;s rotation, follow this guide in order to minimise backlash in ALTO&#039;s arm rotation.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.primalucelab.com\/blog\/support\/how-to-minimise-backlash-in-altos-arm-rotation\/\" \/>\n<meta property=\"og:site_name\" content=\"PrimaLuceLab\" \/>\n<meta property=\"article:modified_time\" content=\"2024-07-24T10:00:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1841\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.primalucelab.com\/blog\/#organization\",\"name\":\"PrimaluceLab\",\"url\":\"https:\/\/www.primalucelab.com\/blog\/\",\"sameAs\":[],\"logo\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.primalucelab.com\/blog\/#logo\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/www.primalucelab.it\/blog\/wp-content\/uploads\/2021\/03\/logo.png\",\"contentUrl\":\"https:\/\/www.primalucelab.it\/blog\/wp-content\/uploads\/2021\/03\/logo.png\",\"width\":300,\"height\":83,\"caption\":\"PrimaluceLab\"},\"image\":{\"@id\":\"https:\/\/www.primalucelab.com\/blog\/#logo\"}},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.primalucelab.com\/blog\/#website\",\"url\":\"https:\/\/www.primalucelab.com\/blog\/\",\"name\":\"PrimaLuceLab\",\"description\":\"Aim high\",\"publisher\":{\"@id\":\"https:\/\/www.primalucelab.com\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.primalucelab.com\/blog\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.primalucelab.com\/blog\/support\/how-to-minimise-backlash-in-altos-arm-rotation\/#primaryimage\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image1.jpg\",\"contentUrl\":\"https:\/\/www.primalucelab.com\/blog\/wp-content\/uploads\/2024\/07\/How-to-minimise-backlash-in-ALTO-arm-rotation-image1.jpg\",\"width\":2000,\"height\":1841,\"caption\":\"How to minimise backlash in ALTO's arm rotation\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.primalucelab.com\/blog\/support\/how-to-minimise-backlash-in-altos-arm-rotation\/#webpage\",\"url\":\"https:\/\/www.primalucelab.com\/blog\/support\/how-to-minimise-backlash-in-altos-arm-rotation\/\",\"name\":\"How to minimise backlash in ALTO's arm rotation - 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This is normal as the weight of the GIOTTO transitions from an upward to a downward...","_links":{"self":[{"href":"https:\/\/www.primalucelab.com\/blog\/wp-json\/wp\/v2\/ht-kb\/5802","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.primalucelab.com\/blog\/wp-json\/wp\/v2\/ht-kb"}],"about":[{"href":"https:\/\/www.primalucelab.com\/blog\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/www.primalucelab.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"version-history":[{"count":3,"href":"https:\/\/www.primalucelab.com\/blog\/wp-json\/wp\/v2\/ht-kb\/5802\/revisions"}],"predecessor-version":[{"id":5811,"href":"https:\/\/www.primalucelab.com\/blog\/wp-json\/wp\/v2\/ht-kb\/5802\/revisions\/5811"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.primalucelab.com\/blog\/wp-json\/wp\/v2\/media\/5803"}],"wp:attachment":[{"href":"https:\/\/www.primalucelab.com\/blog\/wp-json\/wp\/v2\/media?parent=5802"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/www.primalucelab.com\/blog\/wp-json\/wp\/v2\/ht-kb-category?post=5802"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"https:\/\/www.primalucelab.com\/blog\/wp-json\/wp\/v2\/ht-kb-tag?post=5802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}