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alejandroesteban83
May 06, 2021
In General Discussion
Hello everyone, I already assembled the robot, calibration was perfect and I run my first program. Just want to point about 3 issues that I found and see if maybe one of you guys experienced the same. 1- my program was running perfect, accuracy was incredible I was really happy about it but after 10-15 cycles the robot stops, not a single alarm, everything is fine it just stops, so when this happens I click the PLAY button and the program resumes normally. But sometimes when it resumes all the points that were saved in the program are offset for like 5 degrees. 2- J1 axis it's very smooth but when I try to job that axis to any direction +- just ONE degree it doesn't move. I have to click a lot of times so the axis moves, this only happens with degrees less than 5. 3- I have been having issues with axis j5. After I finish running my program, I move the robot to rest position and then I turn off everything. Then I power everything back on and when trying to run the program I made the J5 axis is always offset for about 15 degrees. This j5 axis always gave me a lot of issues, for example when I do auto calibration after doing it one axis at a time the j5 is always 45 degrees off from where the calibration video shows. I didn't care much about that cause the Calibration did what I expected, touching the limit switch twice like the video shows and then it showed successful! And then I did my program and everything was ok except when I turn off everything. I found that one solution was never turning off the system but maybe there is something else I am missing. Sorry for the long post but I just want to know if someone run into this as well. Thank you 🙏🏻
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alejandroesteban83
Apr 21, 2021
In General Discussion
Hi, I have attached a video showing that motor J3 is not reversing. It will go forward but not backwards. When I click on the J3- it clicks and stops right away (shown on the video) All the motors are working fine. The only issue I’m having is with Motor J3- Here are the steps I took to solve this – but no luck I changed the cable that was originally attached to Motor J3 to all other controls and it worked. Basically when I moved the cable from J3 motor to lets say J5 motor from the computer I pressed J5 +- and J3 motor worked. But when I took any of the other cables and attached it to Motor J3 those didn’t work. I checked all the cables and connections, and all are good Since I saw that the direction – of the Motor J3 is the one giving problems, I used the two cables (step = 12 and direction = 13) from the optional driver #7, and afterwards I modified the teensy software (so that J3 had step = 12 & direction = 13) still didn’t work. I put a new stepper driver for the J3 Motor and still didn’t work. After all these, I believe it might be a software control (ARCS J3 direction -) issue because no matter what driver or motor I use the J3 direction – is not sending signal as the video shows. Another email will follow shortly. Thank you Alejandro
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