2pcs MGN7 MGN12 MGN15 MGN9 L from100mm to 1000mm miniature linear rail slide 2pcs MGN linear guide MGN carriage 3D Printer part Review

  • Aliexpress ID: 1005002762351926
  • Price: €29.54
  • Posted: December 2, 2022

The Review of: 2pcs MGN7 MGN12 MGN15 MGN9 L from100mm to 1000mm miniature linear rail slide 2pcs MGN linear guide MGN carriage 3D Printer part Review

Linear Rails and Carriages: A Brief Overview
Linear rails are precision ground steel tracks that allow a carriage to smoothly travel along their length. These rails are commonly used in CNC machines due to their accuracy and reliability. In recent years, they’ve also gained popularity in hobby 3D printers and laser cutters.

Here are some key points about linear rails:

  1. Hiwin: When researching linear rails, you’ll often encounter the name Hiwin. Hiwin is a well-known Taiwanese producer of linear motion components. Many Chinese manufacturers follow Hiwin specifications, making it easier to find compatible products. Other manufacturers include IKO, THK, and NSK.

  2. Linear Rails vs. V-Wheels:

    • V-Wheels: These are an alternative to linear rails in the hobby space. V-wheels ride on V-shaped grooves of aluminum extrusions. They’re cost-effective for large machines since parts of the frame also act as linear guides. However, V-wheels require careful tightening and maintenance over time.
    • Linear Rails: Linear rails provide better accuracy and have tighter tolerances. They’re ideal when precise motion control is crucial.
  3. Linear Rails vs. Smooth Rods:

    • Smooth Rods: Smooth rods are commonly used with linear bearings. However, they tend to have more play (clearance) compared to linear rails. Linear rails offer better load-bearing capacity and less yaw or tilting during motion.

Now, let’s address the specific product you mentioned:

  • HWWEI MGN12 MGN15 MGN9 MGN7 Linear Rail Slide:
    • This package includes 2 linear guides (rails) and 2 MGN carriages.
    • Available in various lengths from 100mm to 1000mm.
    • Suitable for CNC machines, 3D printers, and other applications.
    • You can find it on Amazon UK.
Share: