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Constructing a 3D Printer [Prusa I3]

SECTION 3 - X Z axis - Page 2

Section 1 - Wooden frame : part 1 - part 2 - part 3
Section 2 - Y Axis : part 1 - part 2 - part 3
Section 3 - X-Z axis : part 1 - [[ part 2 ]]
Section 4 - Extruder : part 1 - part 2 - part 3
Section 5 - Electronics : part 1 - part 2 - part 3
Section 6 - Coarse Calibration & Software : part 1 - part 2 - part 3
Section 7 - Fine Calibration & Software : part 1 - part 2 - part 3
Section 8 - Extras : part 1 - part 2 - part 3
Section 9 - Maintenance & Modding : part 1 - part 2


Place the X-Z frame to the wooden frame.
Fix the "z axis top" part 2,5 cm from the top like the photo below and fix it with a M10 20 mm screw.
x-z axis



Now screw the three wood screws like the photos below.
x-z axis

x-z axis

Repeat the process on the other side of the z axis.
You have to use eight wood screws for this step.

It is now time to level really well the X level horizontally.
Screw / Unscrew the left or the right M5 threaded rod by hand to obtain a horizontal x axis. Here is the hole structure after leveling the X axis

x-z axis

Now pass the GT2 belt starting from the "x arm".
x-z axis

Insert the "x arm" back into it's place and use a M3 30 mm bolt and a nut in order to keep the arm into place
x-z axis

Pass the belt from the pulley.
x-z axis

Pass the belt from the "x carriage".
x-z axis

Use a couple of zip ties in order to secure the belt.
x-z axis

Do the same in the other part
x-z axis

The final result of the "x carriage"
x-z axis

Using the indicated screw you can tight the belt.
x-z axis

As we did with the y axis we repeat the process for our two (x,z) endstops.
Enlarge the two holes of each mechanical endstop using a 3 mm drill bit.
enlarge holes of the endstop

Create a new hole for the endstop handle and cut the handle at the red line.
This is not needed with the new "x-z-endstop-holder.stl". Just use the two holes.
endstop handler

Solder the two endstops with the endstop cable like the photos below :
The yellow wire is not needed [optical endstop] just isolate it.
Pay attention at the polarity of the cables. Black-front, Red-back.
mechanical endstop soldered

endstop cable

Now we have to place the X and Z endstops.
The X endstop :
x endtop

The Z endstop :
z endtop



We are done !
Again make sure that you do not fix the Y axis made into the section 2 with the frame.

The next section is the extruder part.


Section 1 - Wooden frame : part 1 - part 2 - part 3
Section 2 - Y Axis : part 1 - part 2 - part 3
Section 3 - X-Z axis : part 1 - [[ part 2 ]]
Section 4 - Extruder : part 1 - part 2 - part 3
Section 5 - Electronics : part 1 - part 2 - part 3
Section 6 - Coarse Calibration & Software : part 1 - part 2 - part 3
Section 7 - Fine Calibration & Software : part 1 - part 2 - part 3
Section 8 - Extras : part 1 - part 2 - part 3
Section 9 - Maintenance & Modding : part 1 - part 2



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