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Pierre-Alexandre Girard
Pierre-Alexandre Girard
@pierre-alexandre-girard
Trusted Member
Joined: Jul 8, 2025
Last seen: Aug 19, 2025
Topics: 6 / Replies: 57
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Replies: 3
Views: 97
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RE: Hole size for J1 turret

@chris-annin Thanks a lot for your prompt response Chris. This is very helpful. Ifbthsts the size you are using to manufacture the kit I'm going to tr...

2 months ago
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Replies: 2
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RE: ROS 2 Driver for AR4 Now Available

That looks awesome, I'm not familiar with ROS/ROS2, would this run on a light client like a Pi ? Also, does your driver also control the nano/grippe...

2 months ago
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Replies: 1
Views: 138
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RE: Propose of building AR4 together

I still haven't debugged by AR3 yet but count me in for the AR4 effort. I can prototype anything on my CNC and help with the mechanical design and sim...

2 months ago
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RE: J2 Turret Housing design

This gives a positive stop to the rotation of J2, without it one would rely on the 4 screws connecting J2 Turret Housing to the platform. It's harder ...

2 months ago
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RE: AR4 Round 2 : A summer project

I forgot to mention one more part machined, the J4 Motor mount and limit ARM, very similar to the other parts so far: OP1 machining most of the ...

2 months ago
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RE: AR4 Round 2 : A summer project

With this, we have now J3 parts completed My part is now done, more update mid July when LE and BC will start machining and assembling the ...

2 months ago
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RE: AR4 Round 2 : A summer project

And now J3 Bearing cup, starting on the lathe, I turned the OD, ID and shoulder Then back on the CNC mill, I machine the hole pattern and add...

2 months ago
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RE: AR4 Round 2 : A summer project

Moving on to the J3 Tension ring, a pretty simple part but with some unique challenges in terms of machining. I opted for a slightly different ...

2 months ago
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RE: AR4 Round 2 : A summer project

Moving on to J3 spindle, a pretty straight forward part with OP1 machining most of the features. The only trick here is the order of operations, you h...

2 months ago
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RE: AR4 Round 2 : A summer project

@chris-annin Glad you like it. Let me know if you want to see the F360 file with the CAM operations, I'll be happy to share. Also, if you ever need a...

2 months ago
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RE: AR4 Round 2 : A summer project

I'm skipping J1 Turret housing and spindle for now because they are mostly lathe part and Lael is already proficient in lathe work and this will be a ...

2 months ago
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RE: AR4 Round 2 : A summer project

Moving on to the J1 and J3 motor mount. Simple parts really with the same overall process: OP1, main features: facing, ...

2 months ago
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