XYZ three-axis related parts

【XYZ three-axis parts】
Ender-3 timing belt: drives the heating assembly on the X axis.
T-screw: Use a coupling to connect with the Z-axis motor to lift the X-axis.
Limit switch: Position the origin of X, Y and Z axis.

V wheel (pulley): POM material, which makes the track slide flexibly, with low noise and good abrasion resistance.