{"action":"created","issue":{"url":"https://api.github.com/repos/grbl/grbl/issues/1106","repository_url":"https://api.github.com/repos/grbl/grbl","labels_url":"https://api.github.com/repos/grbl/grbl/issues/1106/labels{/name}","comments_url":"https://api.github.com/repos/grbl/grbl/issues/1106/comments","events_url":"https://api.github.com/repos/grbl/grbl/issues/1106/events","html_url":"https://github.com/grbl/grbl/issues/1106","id":182602731,"number":1106,"title":"Constant Feed","user":{"login":"luni64","id":12611497,"avatar_url":"https://avatars.githubusercontent.com/u/12611497?v=3","gravatar_id":"","url":"https://api.github.com/users/luni64","html_url":"https://github.com/luni64","followers_url":"https://api.github.com/users/luni64/followers","following_url":"https://api.github.com/users/luni64/following{/other_user}","gists_url":"https://api.github.com/users/luni64/gists{/gist_id}","starred_url":"https://api.github.com/users/luni64/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/luni64/subscriptions","organizations_url":"https://api.github.com/users/luni64/orgs","repos_url":"https://api.github.com/users/luni64/repos","events_url":"https://api.github.com/users/luni64/events{/privacy}","received_events_url":"https://api.github.com/users/luni64/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2016-10-12T18:45:28Z","updated_at":"2016-10-13T14:10:57Z","closed_at":null,"body":"I need to implement an \"electronic leadscrew\" mode on my lathe. I.e., I want the z-Motor to move at a constant speed until I stop it. To do so I want to set relative mode (G91), Feedrate and then continuously send \"G1 Z100\" commands. \r\nDoes this overflow internal counters if running very long? If so, can I periodically reset the counters without having the motor stop?\r\n\r\nThanks\r\nLutz"},"comment":{"url":"https://api.github.com/repos/grbl/grbl/issues/comments/253524370","html_url":"https://github.com/grbl/grbl/issues/1106#issuecomment-253524370","issue_url":"https://api.github.com/repos/grbl/grbl/issues/1106","id":253524370,"user":{"login":"chamnit","id":948029,"avatar_url":"https://avatars.githubusercontent.com/u/948029?v=3","gravatar_id":"","url":"https://api.github.com/users/chamnit","html_url":"https://github.com/chamnit","followers_url":"https://api.github.com/users/chamnit/followers","following_url":"https://api.github.com/users/chamnit/following{/other_user}","gists_url":"https://api.github.com/users/chamnit/gists{/gist_id}","starred_url":"https://api.github.com/users/chamnit/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/chamnit/subscriptions","organizations_url":"https://api.github.com/users/chamnit/orgs","repos_url":"https://api.github.com/users/chamnit/repos","events_url":"https://api.github.com/users/chamnit/events{/privacy}","received_events_url":"https://api.github.com/users/chamnit/received_events","type":"User","site_admin":false},"created_at":"2016-10-13T14:10:57Z","updated_at":"2016-10-13T14:10:57Z","body":"@luni64 : You are correct. There is a limit on how far you can move in one direction. Grbl was built on the assumption of a finite machine volume. Not continuous motion. If I recall correctly, I think the counters should be good to tens of meters in the worst case. Tens of meters is much larger than any CNC machine I've ever seen."}}
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