I3 X axis assembly

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Need Parts

Prusa i3 x axis 1.JPG

  • 1. 2×M8*370 mm Axis
  • 2,3,4,5. 4×RP plastic parts
  • 6. 8×8UU Bearing
  • 7. 2×M5 NUT
  • 8. 1×Pulley
  • 9. 2×Single Bearing
  • 10.8×M3flat gasket
  • 11.4×M3 LOCK NUT
  • 12.3×M3*12 screw
  • 13.2×M3*20 Countersunk head
  • 14.1×M3*25 screw
  • 15.2×M3 NUT 2×M3*6 blunt end headless screws
  • 16.1×Belt
  • 17.8×Tie
  • 18.1×NEMA 17

RP Plastic Part

Step 1

You need the 5mm dill, Set counterclockwise rotation and drill progressively and carefully along the axis.

5mm drill
5mm drill

Step 2

You need 3mm drill.Set counterclockwise rotation and drill progressively and carefully along the axis.

3mm drill
3mm drill

Step 3

8mm drill
8mm drill

X End Idler & X End Motor assembly

Step 1

You need the 15 parts.First put the M3 nut in the hole, then tighten the M3*6 blunt end headless screws.

M3 NUT
M3*6 blunt end headless screws

Step 2

You need the 9,10,11,14 parts.Please assemble in accordance with the picture.

M3*25 screw× 1,M3 LOCK NUT ×4 ,M3 flat gasket ×2 ,Single Bearing ×2

Step 3

You need the 7 parts.Please install the M5 nut to plastic parts (red mark).

M5 Nut ×2


Step 4

Push two LM8UU linear bearings in the X End Idler and two LM8UU linear bearings in the X End Motor. They can be pushed with hands but you can use a rubber mallet carefully if necessary.

8UU×4
X axis plastic parts6.jpg