CNC Router 3D Printer SC Box Linear Two-Hole Optical Axis Short Slider SCV8UU SCV10UU SCV12UU 13 SCV16UU SCV20 25 30 35 40 50UU Review

  • Aliexpress ID: 1005004158635174
  • Price: €15.71
  • Posted: October 31, 2022

The Review of: CNC Router 3D Printer SC Box Linear Two-Hole Optical Axis Short Slider SCV8UU SCV10UU SCV12UU 13 SCV16UU SCV20 25 30 35 40 50UU Review

The components you’ve mentioned are related to both CNC routers and 3D printers. Let’s break it down:

  1. CNC Router:

    • A CNC (Computer Numerical Control) router is a machine that uses computer-controlled movements to cut, carve, or engrave materials such as wood, plastic, or metal.
    • It typically has three or more axes (X, Y, Z) for precise movement.
    • The components you’ve listed, such as the SCV8UU, SCV10UU, and SCV12UU, are likely linear motion bearings used in the CNC router’s mechanical system.
    • These bearings allow smooth movement along the linear axes, ensuring accuracy and stability during cutting or carving operations.
  2. 3D Printer Conversion:

    • Interestingly, you can convert a CNC router into a 3D printer! Here’s how:
      • Concept: The main difference between a CNC router and a 3D printer lies in the tool head and the build platform.
      • Tool Head: CNC routers use spindles, while 3D printers use extruders (hot plastic extruders).
      • Extruder as the 4th Axis: In CNC terms, the extruder is considered the 4th axis, represented by the letter “A” in G-code. However, in 3D printing, the letter “E” denotes the extruder.
      • Additional Axis Driver: If your CNC machine has only 3 axes (X, Y, Z), you’ll need to add an additional axis driver for the extruder.
      • Filament Drive Mechanism: The extruder requires a stepper motor to push the filament (usually 3mm or 1.75mm) into the hot end.
      • Hot End: The hot end melts the filament using ceramic cartridges, maintaining a stable temperature around 260°C.
      • Build Platform: The heated build platform ensures proper adhesion of printed layers.
  3. Linear Bearings (SCV8UU, SCV10UU, SCV12UU):

    • These short block linear bearings are commonly used in CNC routers and 3D printers.
    • They provide smooth linear motion for the moving parts along the axes.
    • The “SC” prefix likely stands for “short carriage,” indicating their compact design.
    • The numbers (8, 10, 12) correspond to the inner diameter (bore size) of the bearing.
    • These bearings are essential for precise movement and stability in both CNC and 3D printing applications.
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