Machsupport Forum
Mach Discussion => Mach3 under Vista => Topic started by: Joseph90 on June 04, 2021, 09:42:01 AM
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Hi friends. I am writing to you in case you can help me with my problem. I have mach3 v3 on window7, it works fine but constant velocity is not working. no matter how much the settings vary, it always behaves exactly the same. I have a homemade machine and the whole structure is heavy so my accelerations are not very high, constant velocity would allow me to operate at higher speeds. Thanks for your attention.
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Not working in what way, what setup have you got, do you have spindle feed back, what code are you using?
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don't have spindle feedback. A test that made me think that it is not working is to make a circle with 4 arcs, no matter what you set, it always makes a stop between one arc and the other. I have put look ahead in 200 and nothing, I have put cv tolerance in 1 and in 1000 and in both it works exactly the same. I use Windows 7, mach3 R3.043.066. these are the acceleration and velocity levels. X axis speed 2500 mm / min acceleration 100 mm / sec2 Axis y speed 2000 mm / min acceleration 100 mm / sec2 z axis speed 300 mm / min acceleration 30 mm / sec2
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This is my general config
(https://i.ibb.co/5TQ56CL/16229122175603609116017431189828.jpg) (https://ibb.co/5TQ56CL)
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hello friends i have solved the problem. the problem was that the cv feedrate parameter was active and set to 1. I have disabled it and now it works like a charm. thank you very much to all. ;D ;D :D