![Is this a standard practice where the revolving arm assembly moves on these small roller bearings in the base? Any alternatives? Considering these are 3d printed parts. : r/robotics Is this a standard practice where the revolving arm assembly moves on these small roller bearings in the base? Any alternatives? Considering these are 3d printed parts. : r/robotics](https://preview.redd.it/bk7fbgghf2q51.jpg?width=640&crop=smart&auto=webp&s=174b4e9fb43bfe1a2e1aaf89812de91111d6d3ef)
Is this a standard practice where the revolving arm assembly moves on these small roller bearings in the base? Any alternatives? Considering these are 3d printed parts. : r/robotics
![Applied Sciences | Free Full-Text | Shape Design Optimization of a Robot Arm Using a Surrogate-Based Evolutionary Approach Applied Sciences | Free Full-Text | Shape Design Optimization of a Robot Arm Using a Surrogate-Based Evolutionary Approach](https://www.mdpi.com/applsci/applsci-10-02223/article_deploy/html/images/applsci-10-02223-g001.png)
Applied Sciences | Free Full-Text | Shape Design Optimization of a Robot Arm Using a Surrogate-Based Evolutionary Approach
![Amazon.com: Global Specialties R700 Vector Robotic Arm, Programmable, 18" Arm Length, 14" Arm Height, 7.5" Base Diameter : Toys & Games Amazon.com: Global Specialties R700 Vector Robotic Arm, Programmable, 18" Arm Length, 14" Arm Height, 7.5" Base Diameter : Toys & Games](https://m.media-amazon.com/images/I/51u6eF140QL.jpg)
Amazon.com: Global Specialties R700 Vector Robotic Arm, Programmable, 18" Arm Length, 14" Arm Height, 7.5" Base Diameter : Toys & Games
![1 Dof Rotating Pan Robotic Arm Accessories Digital Steering Gear With 180/270 degree Digital Servo DS3518 Robot Arm Base Bracket 1 Dof Rotating Pan Robotic Arm Accessories Digital Steering Gear With 180/270 degree Digital Servo DS3518 Robot Arm Base Bracket](https://ae01.alicdn.com/kf/Hbde09adf5ed54865aee7773605baad60n/1-Dof-Rotating-Pan-Robotic-Arm-Accessories-Digital-Steering-Gear-With-180-270-degree-Digital-Servo.jpg)
1 Dof Rotating Pan Robotic Arm Accessories Digital Steering Gear With 180/270 degree Digital Servo DS3518 Robot Arm Base Bracket
![The robot arm JAHIR, which was used in the experiment, consisted of a... | Download Scientific Diagram The robot arm JAHIR, which was used in the experiment, consisted of a... | Download Scientific Diagram](https://www.researchgate.net/publication/228116591/figure/fig1/AS:202936157249536@1425395158406/The-robot-arm-JAHIR-which-was-used-in-the-experiment-consisted-of-a-base-upper-arm-and.png)