{"action":"created","issue":{"url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/2754","labels_url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/2754/labels{/name}","comments_url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/2754/comments","events_url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/2754/events","html_url":"https://github.com/MarlinFirmware/Marlin/issues/2754","id":114545696,"number":2754,"title":"Selectet move axis 10mm <> axis move 40mm (RC2)","user":{"login":"chaoscrack","id":14803964,"avatar_url":"https://avatars.githubusercontent.com/u/14803964?v=3","gravatar_id":"","url":"https://api.github.com/users/chaoscrack","html_url":"https://github.com/chaoscrack","followers_url":"https://api.github.com/users/chaoscrack/followers","following_url":"https://api.github.com/users/chaoscrack/following{/other_user}","gists_url":"https://api.github.com/users/chaoscrack/gists{/gist_id}","starred_url":"https://api.github.com/users/chaoscrack/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/chaoscrack/subscriptions","organizations_url":"https://api.github.com/users/chaoscrack/orgs","repos_url":"https://api.github.com/users/chaoscrack/repos","events_url":"https://api.github.com/users/chaoscrack/events{/privacy}","received_events_url":"https://api.github.com/users/chaoscrack/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-11-02T08:12:15Z","updated_at":"2015-11-02T10:43:23Z","closed_at":null,"body":"If I select \"move axis 10mm\", the selected axis traveled 40mm. Also the display shows that the axis has moved 40mm.\r\n\r\nMy settings are:\r\n- GT2 2mm belt\r\n- 16T pulley\r\n- 1/32 microsteps\r\n- NEMA17 1.8°\r\n- 200 steps/mm (at firmware)\r\n\r\nDid I forget to set a parameter?"},"comment":{"url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/comments/152984622","html_url":"https://github.com/MarlinFirmware/Marlin/issues/2754#issuecomment-152984622","issue_url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/2754","id":152984622,"user":{"login":"KiteLab","id":10833311,"avatar_url":"https://avatars.githubusercontent.com/u/10833311?v=3","gravatar_id":"","url":"https://api.github.com/users/KiteLab","html_url":"https://github.com/KiteLab","followers_url":"https://api.github.com/users/KiteLab/followers","following_url":"https://api.github.com/users/KiteLab/following{/other_user}","gists_url":"https://api.github.com/users/KiteLab/gists{/gist_id}","starred_url":"https://api.github.com/users/KiteLab/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/KiteLab/subscriptions","organizations_url":"https://api.github.com/users/KiteLab/orgs","repos_url":"https://api.github.com/users/KiteLab/repos","events_url":"https://api.github.com/users/KiteLab/events{/privacy}","received_events_url":"https://api.github.com/users/KiteLab/received_events","type":"User","site_admin":false},"created_at":"2015-11-02T10:43:23Z","updated_at":"2015-11-02T10:43:23Z","body":"16T/U * 2mm/T = 32mm/U.\r\n360°/U / 1.8°/step =   200 steps/U.\r\n200 steps/U * 32 µsteps/step = 6400 µsteps/U\r\n6400 µsteps/U / 32mm/U = 200 µsteps/mm.\r\n\r\nThe calculation looks correct.\r\n\r\nWhen your x and y axis is belt driven, it should look like\r\n```\r\n#define DEFAULT_AXIS_STEPS_PER_UNIT   {200,200,... ,... }\r\n```\r\n\r\nAs always, knowing your branch and your Configuration.h could help to analyse your issue.\r\n"}}