THE ANNIN ROBOTICS FORUM HAS MOVED TO A NEW COMMUNITY. 👉
Chris Annin
Chris Annin
@chris-annin
Admin
Member
Joined: Jul 8, 2025
Last seen: Sep 14, 2025
Topics: 6 / Replies: 529
Reply
RE: Aluminum components

I order in complete batches so I dont have a lot of individual pieces, Please email me a picture of the damage info@anninrobotics.com Id like to see i...

2 months ago
Forum
Reply
RE: Play in the gearboxes of all step motors

from the pic it looks like movement is coming from J1, 3 & 5. After some break in I would try increasing belt and chain tension. I cant tell how m...

2 months ago
Forum
Reply
RE: Chain Sprocket or Timing Belt Pulley

I tested a few low profile belts and found they stretched too much. I didnt want to make the arm any wider and was looking for something low profile s...

2 months ago
Forum
Reply
RE: J2 Stepper, not smooth when turned

When you say turned manually do you mean that you rotate the dual shaft on the encoder end rotating the motor shaft of the motor? or putting force on ...

2 months ago
Forum
Reply
RE: ROS Integration

I did start some ROS development. I have the URDF file completed and the Moveit package complete, I got bogged down when trying to build the controlle...

2 months ago
Forum
Reply
RE: Can AC3 be taught manually and work offline?

@acai-lan Its not really setup for encoder feedback for joint manual movement to teach positions - its geared more toward similarity with industrial ...

2 months ago
Forum
Reply
RE: Can AC3 be taught manually and work offline?

with the size and planetary gear boxes and drive screw moving the joints by hand is not possible. I do not yet have capability written to work offline...

2 months ago
Forum
Reply
RE: On page 14 of the AR3 manual the J1 platform does not have a recess on the right side. Mine has a .25 recess where the 3 M6 bolts screw in.

Sorry I just saw this post - yes that was a design update to correct a minor offset that I wanted to improve. no issues.

2 months ago
Forum
Reply
RE: 5v PSU?

Any inexpensive 5v power supply should work fine, its only purpose is to power the relay board for gripper or peripheral devices, I will have a look a...

2 months ago
Forum
Reply
RE: J4 Motor trembling

typically when a motor is trembling its the motor wiring for A+A-B+B- does the motor you received from stepperonline have the typical wire colors per ...

2 months ago
Forum
Reply
RE: Source for 3mm push-in fitting to fit solenoid valve

Sorry for the late reply - I missed this post. I typically try and find the fittings I use on Amazon or Ebay but larger fittings with the 3mm can be d...

2 months ago
Forum
Reply
RE: STL to Robot Code?

not yet but that is something I plan on working on adding functionality to interpret G-code. I'll be working on that as soon as I have time.

2 months ago
Forum
Reply
RE: Need help trouble shooting

Thank you for the update, please let me know what else you find.

2 months ago
Forum
Reply
RE: Need help trouble shooting

That sounds like the connection for the limit switch ground is possibly not made and floating voltage may be causing the arduino to see a positive sig...

2 months ago
Forum
Reply
RE: Using 3Dconnexion as jogger?

Currently you would need to use the jog buttons in the software as they send the position serial commands to the control board. Providing analog contr...

2 months ago
Forum
Page 20 / 36
Upload your Photo