VEVOR Linear Guide Rail Set - SBR20 1000mm

The VEVOR Linear Guide Rail Set provides a comprehensive solution for precision motion control in ...

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Vevor UKVEVOR Linear Guide Rail Set, SBR20 1000mm, 2 PCS 39.4 in/1000 mm SBR20 Guide Rails and 4 PCS SBR20UU Slide Blocks, Linear Rails and Bearings Kit for Automated Machines DIY Project CNC Router Machines
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Product Information

Full details

The VEVOR SBR20 Linear Guide Rail Set is an essential component for engineers, CNC hobbyists, and automation designers looking to achieve high-precision linear motion in their custom builds. It offers exceptional load-bearing capacity and smooth travel, making it perfect for 3D printers, routers, and industrial assembly lines, though users should note that the 1000mm rails require a stable, level mounting surface to prevent binding or deflection during high-speed operations.

All features

Model Part NumberSBR20-C 1000L
BrandVEVOR

Extended Product Information

FAQs

Can these rails be cut to a shorter length?

Yes, they can be cut using a metal-cutting saw, though it is recommended to deburr the ends carefully to avoid damaging the bearing blocks.

What type of lubricant should I use?

Standard high-quality lithium-based machine grease is suitable for most applications.

Are the mounting holes pre-drilled?

Yes, the SBR rails come with pre-drilled holes in the support base for standard mounting.

What is the weight capacity of the set?

Each block supports 882 N dynamically and 1370 N statically. Distribute the load across all four blocks for best results.

Does this set include mounting bolts?

No, the set includes the rails and slide blocks; you will need to purchase the appropriate bolts for your specific mounting surface.

Troubleshooting

Slide block feels gritty or does not slide smoothly

Clean the rail surface thoroughly and ensure the rail is not bent. Re-apply a thin coat of industrial grease to the ball tracks.

Excessive noise during operation

Check if the slide blocks are properly aligned and that the mounting bolts are tightened evenly to prevent rail distortion.

Rail shows signs of deflection or bowing

Add additional mounting points along the length of the rail or reinforce the mounting base for better structural support.

Pros and Cons

Pros

  • High load-bearing capacity for heavy-duty applications
  • Pre-drilled mounting holes for easier installation
  • Excellent balance of durability and cost-effectiveness
  • Provides smooth, repeatable motion essential for CNC precision

Cons

  • Requires precise alignment during installation to avoid friction
  • Heavy weight may require significant structural support
  • Hardware for bolting to the mounting surface is not included

Setup, Compatibility & Care

  1. Surface Preparation: Ensure the mounting surface is rigid and level to avoid twisting the rails.
  2. Alignment: Use a gauge or jig to ensure the two rails are perfectly parallel before tightening the mounting bolts.
  3. Lubrication: Periodically apply machine-grade grease to the internal ball bearings of the SBR20UU blocks to maintain smooth operation.
  4. Cleaning: Keep the rail tracks free of dust, wood shavings, or metal debris to prevent premature wear on the bearing seals.
  5. Maintenance: Periodically check all mounting bolts and set screws on the slide blocks to ensure they haven't loosened due to vibration.

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