I3 Connecting X-axiz and Z-axiz

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Assembly instructions

  1. Bill of materials
  2. The main panel frame assembly
  3. Y-axis assembly
  4. X-axis assembly
  5. Z-axis assembly
  6. Connecting X-axiz and Z-axiz
  7. Power and LCD assembly
  8. Extruder assembly
  9. Heated bed assembly
  10. power switch and end stops assembly
  11. Control Board assembly and wiring
  12. Circuit Diagram

Need parts:

  • 2×M5 * 295mm threaded rods
  • 2×M8*336mm Smooth rods
  • 1×Z-axis endstop switch plastic part
  • 10,11 Z axis threaded rod fixed sheet
  • 24,25 Z axis the top of Z rod fixed sheet
  • 8×M3*16 screw
  • 8×M3 flat gasket
  • 8×M3 lock nut
  • 1×synchronous belt

Threaded rod and smooth rod assembly

Step 1

The end with slot of z axis insert the plastic part at the two end of x axis.

Prusa i3 Connecting X-axiz and Z-axiz.jpg
Prusa i3 Connecting X-axiz and Z-axiz1.jpg

Step 2

As the picture, two M5 tread rod insert two acrylic holes.

Prusa i3 Connecting X-axiz and Z-axiz2.jpg
Prusa i3 Connecting X-axiz and Z-axiz3.jpg

Step 3

The end with slot of the tread rod insert compling, tighten them.

Prusa i3 Connecting X-axiz and Z-axiz4.jpg

Step 4

Take the left side screw out, move the top small acrylic sheet to show the small hole.

Prusa i3 Connecting X-axiz and Z-axiz5.jpg

Step 5

Insert M8*336mm Smooth rods

Prusa i3 Connecting X-axiz and Z-axiz6.jpg

Step 6

Insert endstop swicth plastic part location below motor plastic part(note direction).

Prusa i3 Connecting X-axiz and Z-axiz7.jpg
Prusa i3 Connecting X-axiz and Z-axiz8.jpg

Step 7

Insert Z axis into motor top acrylic hole.

Prusa i3 Connecting X-axiz and Z-axiz9.jpg

Step 8

Move the small acrylic sheet to original location, and tighten screw.

Prusa i3 Connecting X-axiz and Z-axiz11.jpg

Synchronous belt assembly

Step 1

Insert synchronous belt from above unilateral bearing.

Prusa i3 Connecting X-axiz and Z-axiz12.jpg
Prusa i3 Connecting X-axiz and Z-axiz13.jpg

Step 2

The one side insert plastic part teeth.

Prusa i3 Connecting X-axiz and Z-axiz14.jpg

Step 3

The other side insert motor plastic part, bypassing synchronous belt wheel, return to the one side.

Prusa i3 Connecting X-axiz and Z-axiz15.jpg
Prusa i3 Connecting X-axiz and Z-axiz16.jpg

Step 4

Choose the proper size(please cut short if it is longer).

Prusa i3 Connecting X-axiz and Z-axiz17.jpg

Step 5

Tighten screw.

Prusa i3 Connecting X-axiz and Z-axiz18.jpg

Step 6

Put synchronous belt into plastic part teeth.

Prusa i3 Connecting X-axiz and Z-axiz19.jpg

Complete assembly

Prusa i3 Connecting X-axiz and Z-axiz20.jpg