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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: Diferences with Nominal Sized and Resized for Shrink

Im not certain on that. both versions were created from modified version of the same .sldprt file and converted to .step using solidworks 2016. Im not...

2 months ago
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RE: Goals

You can use insert replace to manually enter coordinates, or you can use the stored position registers to call positions, I may not completely underst...

2 months ago
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RE: Extending J2 Arm

Hi Paul. I think you will be just fine to execute the plan you have lined out. I have never inverted the AR2 but I dont see why it would be an issue. ...

2 months ago
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RE: Look Ahead

Hello, no currently there is no look ahead but its definitely something Ive given a fair amount of thought to. with the current architecture I'm execu...

2 months ago
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RE: deviations

Im not sure I understand? could you elaborate on what you mean by deviation of bearing elements?

2 months ago
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RE: Printable in Carbon Fiber?

I never fully tested payload on the printed robots for fear of breaking them, I did lift 25oz with the printed robot. The aluminum robot I tested with...

2 months ago
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RE: Weight of Your AR2 (including electric control box) ?

I dont recall the weight at the moment. I just moved but after I get everything un-boxed I will try to weigh one of the robots and get you a weight. P...

2 months ago
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RE: Travel Rails

I dont have any active plans to add more axis for travel but thats something I could do in the future. right now im focusing on the next larger closed...

2 months ago
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RE: Adafruit Grand Central and uSteppers.

I’ve been looking into using a faster processor also. I was looking at the Arduino Due, However it also operates at 3.3 V. I have only been able to fi...

2 months ago
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RE: Encoders

I do plan on using encoder feedback in my next version robot. Currently this version is made to be lowest cost possible. The next version I will also ...

2 months ago
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RE: Encoders

I do plan on using encoder feedback in my next version robot. Currently this version is made to be lowest cost possible. The next version I will also ...

2 months ago
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RE: J4 and J6 Bearings

The J4 bearing are inch standard size. To use other bearings would require modifying the models.

2 months ago
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RE: chain

It’s 6mm roller chain. 43 links

2 months ago
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RE: Query on clearance between J1 sprocket and J1 base

Its fairly close, I believe a few millimeters. I'm in the middle of moving and have all my equipment and computers boxed up but I can check it when I ...

2 months ago
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RE: chain transmission

No issue with chain drive noise, Ive re-tensioned once after a break in period and it keeps position fine. I dont understand the third question about ...

2 months ago
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