Round Rod Bar Motion Axle - 400mm x 2mm
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The uxcell Round Rod Bar Motion Axle is designed for hobbyists, engineers, and DIY enthusiasts who require precision components for mechanical transmission and small-scale construction projects. These stainless steel rods offer exceptional structural integrity for model making and crafting, though users should note that the 2mm diameter limits their use to lighter load applications.
All features
| Model Part Number | DOESNOTAPPLY |
|---|---|
| Brand | uxcell |
Extended Product Information
FAQs
Can these rods be used for 3D printer carriages?
These 2mm rods are generally too thin for 3D printer motion rails, which typically require 8mm or larger rods for structural stability.
What tools are recommended for cutting these rods?
A rotary tool with a reinforced cutoff wheel or a fine-tooth hacksaw works best for clean, precise edges.
Are these rods solid or hollow?
These are solid stainless steel rods for maximum mechanical strength.
Can I weld these rods?
Yes, they are made of stainless steel and can be joined using TIG welding, though caution is required to prevent warping due to the small diameter.
Does the set include mounting hardware?
No, this set includes only the 10 stainless steel rods.
Troubleshooting
Rod does not fit into existing hole or bearing
Verify that your component is designed for a 2mm metric shaft; use digital calipers to check for burrs at the cut site.
Surface rust appearing on the rod
Although stainless steel is durable, clean with a fine-grit abrasive pad and apply a thin layer of machine oil to protect the finish.
Difficulty cutting the steel
Use a specialized metal cutting blade or abrasive wheel. Avoid heavy-duty bolt cutters, which can deform the round profile of the rod.
Pros and Cons
Pros
- High-grade corrosion-resistant stainless steel
- Consistent and precise 2mm circular diameter
- Generous 10-piece count for larger projects
- Easy to cut and shape for custom hobby needs
Cons
- Limited to small-scale and light-load applications
- Not suitable for heavy-duty structural support
- Length is fixed at 400mm requiring manual cutting for smaller parts
Setup, Compatibility & Care
To integrate these rods into your project, ensure your mounting points—such as 3D-printed chassis holes or pre-bought bearings—are sized for a 2mm diameter shaft to avoid wobble. When cutting, always wear safety goggles and secure the rod in a vise to prevent slippage.
To maintain the longevity of the rods, wipe them down with a light machine oil after handling to prevent fingerprints and potential moisture buildup. If the rods are used in a high-friction environment, applying a small amount of synthetic lubricant will enhance rotation and reduce wear on both the axle and the housing.