Y-axis assembly

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Bill of materials | The main panel frame assembly | Y-axis assembly | X-axis assembly | Z-axis assembly

Connecting X-axiz and Z-axiz | Power and LCD assembly | Extruder assembly | Heating bed assembly

power switch and end stops assembly | Control Board assembly and wiring | Circuit Diagram


Y-axis rear side parts assembly

Need parts:

Prusa i3 Y-axis assembly.jpg

  • 12,13,14 Y axis,back side thread rod fixed sheet
  • 15,16 Y axis motor sea
  • 10×M3 * 16 screw
  • 10×M3 nut
  • 10×M3 flat gasket

Step 1

Put the 4×M3 Nut into the 15,16parts(yellow mark),look at the picture.

Prusa i3 Y-axis assembly1.jpg

Step 2

Please put 13,14 parts fixed to 12 parts. (M3*16 screws×2,M3 NUT×2,M3 flat gasket×2)

Prusa i3 Y-axis assembly2.jpg

Step 3

Please install 15,16 parts to 12 parts.(M3*16 screws×4,M3 flat gasket×4)

Prusa i3 Y-axis assembly4.jpg
Prusa i3 Y-axis assembly3.jpg

Step 4

Inserted in the left side of the plate and the lower right side of the plate.( M3 * 16 screws×4, M3 flat gasket×4)

Prusa i3 Y-axis assembly5.jpg


Y-axis front side parts assembly

Need parts:

Prusa i3 Y-axis assembly6.jpg

  • 17,20,21,22 Y-axis front side fixed plate.
  • 1×M3*30 screw
  • 1×M3 Lock nut
  • 4×M3 flat gasket
  • 2×Unilateral bearing

Step 1

Please assemble 20,21,22 parts.

Prusa i3 Y-axis assembly7.jpg
Prusa i3 Y-axis assembly8.jpg

Step 2

Put the assembled parts inserted to the 17 parts.

Prusa i3 Y-axis assembly9.jpg
Prusa i3 Y-axis assembly10.jpg

Step 3

Fix the two parts use M4*30 screw× and Installed dish ×1.(look at the picture)

Prusa i3 Y-axis assembly11.jpg


Assembly with the longitudinal parts

Need parts:

Prusa i3 Y-axis assembly12.jpg

  • 2×M8*380mm threaded rods
  • 2×M8*350mm smooth rod
  • 12×M8 NUT
  • 12×M8 flat gasket
  • 6×M8 spring gasket

Step 1

Fix the threaded rods and smooth rods to the Y-axis rear side plate. (look at the picture)

Prusa i3 Y-axis assembly13.jpg

Step 2

Fix the threaded rods and smooth rods to the Y-axis front side plate. (look at the picture) Screw inserted into the hole in the optical axis, fasten the fixing plate 18, 19.,, Plus flat on the mat after tighten the nut.

Prusa i3 Y-axis assembly14.jpg
Prusa i3 Y-axis assembly15.jpg

Y-axis Pulley &the motor assembly

Need parts:

  • 1×NEMA 17
  • 1×Pulley
  • 3×M3*10 screws
  • 3×M3 flat gasket

Step 1

Fix the motor to 15, 16 parts.Pulley wheel and motor shaft is exposed 5mm, tighten the top wire.

Prusa i3 Y-axis assembly16.jpg
Prusa i3 Y-axis assembly17.jpg