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Chris Annin
Chris Annin
@chris-annin
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Joined: Jul 8, 2025
Last seen: Sep 14, 2025
Topics: 6 / Replies: 529
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RE: Crimping tool AWG wire disconnects

That looks correct, I think both of the crimpers you show will work.

2 months ago
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RE: J1 Turret Housing

You said they firmly in place but became loose, if you were to reinsert them now are they loose and not staying pressed in?

2 months ago
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RE: J1 Turret Housing

When the races were stuck how close were they to being fully seated in the housing? I assume when you say they are loose again, that you now have them...

2 months ago
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RE: NameError: name 'ser' is not defined !!!!

That is a serial connection issue, are you seeing a teensy not connected error in the log?

2 months ago
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RE: AR2 Software for 3 Axis robot

the kinematics are set up for a 6 axis robot, it might be a bit difficult to run a 3 axis machine. You can still use the AR2 software and jog your rob...

2 months ago
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RE: How can i change the calibration speed

Hello, you would actually need to change that value in the python ARCS source file. The speed value is sent from the PC along with the calibration com...

2 months ago
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RE: Large backlash on J2? (3D Printed AR3)

Hello, that is fairly typical of the backlash in the J2 gear motor. Some of that could also be in the key shaft depending on how tight of a fit your p...

2 months ago
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RE: Hello Chris, what Euler convention do you use? And is it static or rotary? I try to let your software work with powermill.

Hello, it is basic DH parameters for 6 axis robots. I have a series of videos on the youtube channel on the robot kinematics which might help.

2 months ago
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RE: Can AR3 for make money?

Hello, I have a large number of people inquiring about using the Annin Robotics design for automation and reselling. The intention of the pro...

2 months ago
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RE: What is The 3D printer Size for Robot Kit And Printed AR3

All the parts are sized to fit on a 200x200mm print bed. There are many different printers people use. I have some people using the Ender3, others usi...

2 months ago
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RE: Solidworks export for 3D printing

The main difference in the resized for shrink is that the bearing journals I made approx .2mm larger for a good fit. You may not need to do this with ...

2 months ago
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RE: I do not know how to test encoders...

Hello, it does sound like you have a grounding issue. Please note that in the earliest version of the manual I had the teensy, arduino 5v supply and t...

2 months ago
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RE: Files needed for CNC

Ive never machined the parts myself but I believe the step files are typically used for import into CNC machining but if you have solidworks 2019 you ...

2 months ago
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RE: How does one format a serial command for the AR3?

Hello, if you look on line 4493 you will find commandCalc where after the kinematics are calculated it send the arduino the steps for each motor ...

2 months ago
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