Please help me solve this February 04, 2014 05:23PM |
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Re: Please help me solve this February 27, 2014 08:45PM |
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Re: Please help me solve this February 27, 2014 09:11PM |
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Quote
jpan
I also found an interesting phenomenon. The pulley on y-axis motor shaft does not spin around it's center. I guess it's because the tensioned belt is only pulling one end of the pulley.
Is that a possible reason? If so how can I do that?
Re: Please help me solve this February 27, 2014 09:44PM |
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Re: Please help me solve this February 28, 2014 07:10AM |
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Quote
jpan
I am wondering if that little screw adjusting current on stepper drivers (A4988 in my case ) will make any difference if they're turned by only 5 degrees of so. I mean, how accurate are those screws? Cuz now I am adjusting them within a range of 30 degrees in which the motors works better. Don't know if I should narrow this range more.
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Re: Please help me solve this March 16, 2014 09:47PM |
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be very careful I would use a plastic screwdriver if you're adjusting this if you short it out you will be buying more electronics. Obviously you need to start with a good square machine everybody here has been trying to help you with this but you need a good machine to start with. Obviously if you pulleys are not running true they are wrong they could even be the wrong pulley for the belt in any case they need to be corrected. Mechanically your machine has to be right first to tune it upQuote
jpan
Well, so I guess the adjusting of current may not be a reason
The first one is my case I think. I'll just try some other pulleys...
The other pulleys that I have are no good, too.
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