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Chris Annin
Chris Annin
@chris-annin
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Joined: Jul 8, 2025
Last seen: Oct 4, 2025
Topics: 6 / Replies: 532
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RE: Misc noob questions ;)

Its certainly possible however I would be concerned with size - not knowing your application; it is a small desktop robot. Another thing to consider i...

2 months ago
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RE: Electrical Bill of materials specifically for the AR3

No problem, I'm glad you found it and let me know if you have any questions.

2 months ago
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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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