Smooth Rod Y-Axis (MK4, MK3/S/+, MK2.5/S, MK2/S)
Smooth Rod Y-Axis (MK4, MK3/S/+, MK2.5/S, MK2/S)
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The Prusa Smooth Rod is a linear guide rod used on the movement axes of compatible FDM 3D printers. This mechanical component guides the moving carriages via linear bearings and directly contributes to the kinematic stability of movements during printing phases.
Machined for direct integration into original assemblies, this replacement rod restores axis movement precision in the event of wear, surface scoring, or mechanical play observed during extended machine use.
Linear guidance and movement precision
Smooth rods contribute to maintaining axis alignment and the regularity of print system movements. Their surface condition directly influences the behaviour of linear bearings, mechanical vibrations, and the movement quality of mobile assemblies.
Replacing a worn rod helps limit defects related to parasitic movements, dimensional variations, or irregularities visible on printed layers. This type of maintenance is commonly performed in FDM production environments operating at sustained throughput.
Maintenance and mechanical integration
This part is intended for direct replacement of original guidance components on compatible printers. It integrates into the mechanical assemblies specified by Prusa Research and can be used as part of preventive or corrective maintenance of linear axes.
Technical specifications
| Product type | Linear guide smooth rod |
|---|---|
| Function | Mechanical guidance of print axes |
| Compatible technology | FDM |
| Mechanical compatibility | Prusa-compatible linear bearings |
| Use | Maintenance and replacement |
| Installation | Direct integration on compatible assemblies |
| Contents | Linear guide smooth rod |
Compatibility
- Compatible Original Prusa FDM 3D printers
- Compatible with Prusa linear axes
- Compatible with Original Prusa MK3
- Compatible with Original Prusa MK3S
- Compatible with Original Prusa MK3S+
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We exclusively offer high-quality consumables and equipment from recognised European brands—guaranteeing traceability, reliability and a reduced carbon footprint. Our dedicated team supports professionals across Europe with expert advice, simplified purchasing and responsive support.
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