Prusa i3 Blomker
Release status: working
Description | Prusa i3 Variant by Blomker Industries
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Prusa i3 by Blomker Industries
This page describes the Prusa i3 variant put together by Blomker Industries. This is the Single Plate Aluminium version running on SCV10UU linear bearing for Y Axis. A very sturdy and rigid setup.
Josef Prusa is the designer of Prusa i3. We love his work for the way he design 3D Printers with minimalist concept.
Design
We have incorporated some of our ideas into the original Prusa i3 design. Some of the enhancements area :
- Direct Drive Extruder Carriage. Download here:Thingiverse:181015
- Glass corner bracket for a PLA Only machine. Download here : Thingiverse:193663
- Dual option for Y Axis Linear Bearing - SCV8UU, SCV10UU, SC8UU, SC10UU are supported
Specifications
- Print Area Dimensions: 200mm x 200 mm x 155 mm
- Maximum Print Speed: 150mm/sec
- Minimum Print Layer Height: 0.1mm or 100microns
- Frame: 5083 Aluminium 6mm thick, 10mm diameter galvanised threaded rod
Links
Assembly Instructions
Before you start, please take note of the following :
- Do not exert excessive force when tightening bolts and nuts on the printed parts. The printed parts may crack.
- Never connect/disconnect stepper motors when powered on. The stepper drivers may be damaged if you do so.
- Double check the polarity of power supply wiring before powering on for the first time. Reversed polarity will damage the controller board.
Tools required : X Acto Knife, Flat Head Screwdriver, a pair of 17mm Spanner, a set of Metric size Allen Key
2pcs of 10mm diameter smooth rods and 4pcs of SCV10UU Linear Bearings
Slide in two pieces of SCV10UU into each 10mm smooth rod. Do this gently to avoid knocking loose the tiny ball bearings.
Print bed and 8pcs of M5 x 10mm cap screws
Attach the print bed onto the SCV10UU with the M5 cap screws
Y belt holder, 2pcs M3x16mm cap screws, 2 M3 nut
Attach the Y belt holder to the center of print bed using the M3 cap screws
Tighten the M3 nuts at the bottom
2pcs of 10mm threaded rods, 4pcs of M10 washer, 8PCS of M10 nut. Prepare them as shown in the picture.
X End printed parts, 2pcs of M5 nut, 4pcs of LM8UU bearing
Insert the LM8UU bearings into the X End bearing holders as shown in picture. Knock them lightly into position if required.
Expanding the bearing holder with a screw driver may help.
Push the M5 nuts into the nut trap as shown (see yellow arrows)
Extruder lever arm, 623ZZ bearing, 12mm set screw
Break the support structure in bearing slot with a screwdriver
Insert the 624ZZ bearing and set screw
Cut off the tiny bit of plastic on all 4 Z Axis corners
This allow the plastic to expand a little more for 8mm smooth rods to be inserted
All 4 Z Axis corners, M3 x 16mm cap screws and M3 nut
Mount the lower Z corners as shown
Tighten the M3 nut at the back
Picture shows all 4 corners mounted but please mount only the bottom one for now.
2pcs of NEMA 17 stepper motor and 2pcs of flexible motor shaft coupler
Mount the motors onto the Z corner with M3 x 10mm cap screws
Mount a GT2 pulley up side down as shown in the picture
Secure the stepper motor onto the X End Motor Holder with M3 x 12mm cap screws
Assemble the 624ZZ on the X End Idler as shown. M4 nut not required to secure the assembly.
Insert the 5mm threaded rods 1/4 way through
3pcs LM8UU & 2pcs 8mm dia x 378mm smooth rods. Insert the bearings as shown
Download Software Pack :
Windows OS Platform http://www.blomker.com/Prusai3_Windows.zip MAC OS X Platform http://www.blomker.com/Prusai3_Mac.zip
Software installation and operating guide included in the .zip file.