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Chris Annin
Chris Annin
@chris-annin
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Joined: Jul 8, 2025
Last seen: Sep 13, 2025
Topics: 6 / Replies: 529
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RE: Can't find the CAD file for "J3 SPINDLE RETAINER"

Hello, my apologies, I'll check the CAD files to make sure its not missing. Please email me at info@anninrobotics.com and I will send you the file.

1 month ago
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RE: Teaching a position from encoder values with motors off

Hello, no the robot gearboxes and J5 lead screw are not designed to be back driven. The robot needs to be jogged to position.

1 month ago
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RE: Issues with Abnormal Joints During Robotic Arm Movement Tx Ty Tz

I apologize for the delay I will dig into this, the tool jogging is generally used to reorient approach vectors of the tool and given its limited use ...

1 month ago
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RE: Issues with Abnormal Joints During Robotic Arm Movement Tx Ty Tz

It looks like you are running version 5.1 that was just released. Do you see the same behavior in previous software / sketch versions?

1 month ago
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RE: J4 encoder, 5.0

Hello Matt, sorry for the late response. I also saw your comment on another thread on the connection issue. I'm not certain what would be causing the ...

1 month ago
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RE: AR2 teensy and software upgrade

Yes you can use the software in open loop mode if you do not have encoders. Yes the DM542T and DM320T will work with 3.3v input level to the teensy pi...

1 month ago
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RE: Teensy 4.1 for AR3 - breakout board required?

The breakout board is highly recommended. You might be able to solder the connections but I believe its worth the extra money to have the terminals. Y...

1 month ago
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RE: J5 Motor Question

@albert-de-mello OK, if you are getting the collision error I believe your encoder has a wiring issue. Please double check on the wiring and then test...

1 month ago
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RE: J5 Motor Question

Do you have any errors in the log showing a collision or motor error? If you run that joint in open loop mode does it still move the wrong direction?

1 month ago
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RE: Axis limits and wire lengths

@joseph That is correct. Keep me posted if you have any other questions.

1 month ago
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RE: Axis limits and wire lengths

Hello, the axis limits are shown here and are also a setting in the software on the kinematics tab. As long as you have enough slack for these rotatio...

1 month ago
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RE: J1 motor/gearbox not tapped?

That's great, I'm glad they are sending a new gearbox. I messaged them as well and they confirmed they are shipping it out to you. Stepperonline is re...

1 month ago
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RE: J1 motor/gearbox not tapped?

I haven't seen that issue come up before. I will contact Stepperonline to see if they have had any others. Let me know if you are able to tap this or ...

1 month ago
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RE: When I jog in the Y-Axis it moves first in the Z -- any idea why?

The first thing I would look at is the belt tension on J3. I suspect J2 is in effect moving first while the belt tension on J3 is being taken up. This...

1 month ago
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RE: J4 & J6 limit switch issues

Typically when the signal fluctuates its due to floating voltage and the ground signal not being connected on the NC terminal. The switch needs to sen...

1 month ago
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