Kuongshun Eletronics Prusa i3 User manual

Prusa i3 Improved Version
Use and Maintenance
manual

kuongshun eletronics company limited
1. Overview
Prusa i3 is a new generation of Reprap series printer.It is designed by Prusajr
core team the latest 3 d printer. it reference and draw lessons from the first two
generation of Prusa and others.Relative to the Prusa i2 are improved below :
Framework to become more strong (avoid recoil on the x axis)
It is easier to assemble
picture 1 Prusa i3
2. The basic parameters
Print size：200mm＊200mm＊180mm
Use consumables：ABS/PLA 3mm/1.75mm
The nozzle diameter：0.4mm
Control panel：Ramps1.4
1

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Hot bed：MK3
Control software: Repetier - Host or Printrun
The machine size: 430 mm * 500 mm * 380 mm
2. Packinglist of material
（1）Polished rod screw
table 1 screw list of polished rod
no name qty
1
M8*320mm
2
2
Polished
rod
M8*405mm
2
3
M8*384mm
2
4 M8*430mm
2
5
screw
rod
M8*209mm
3
6 M8*275mm
1
7 M5*305mm
2
（2）Frame plate
table 2 list of Frame plate
No name qty
1
main frame plate
1
2
triangle support plate
2
3
top support plate
2
4 The Z axis motor fixed plate
2
5
Z axis motor triangle plate
4
6
X type hot bed support plate
1
7
Z axis platen
2
2

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The hot support plate
x type hot bed support plate
the main frame plate
2
X aixs passive
seat
1
3
3
A motor fixing
plate
Z aixs
platen
Picture 2 frame plate
component diagram
A triangle
support plate
The Z axis delta
Motor guard
A triangle support plate
（3）Print
NO Name NUM REMARK
1
Xaixs
motor seat
1
X shaft
bracket
1

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4X axis Angle Y axis
Framework 4
Y-axis motor mount 1
5
6 Y passive wheel seat 1
7Y axis synchronous
arrange ushering 1
8 The Y axis
synchronous 2
belt clamp
9 Y linear bearing
10 Limit switch seat 3
11 Extruder Block 1
12
Extruder big gear 1
13 Extruder pinion 1

kuongshun eletronics company limited
14
The screw extruder 1
extrusion wheel
15
Extruder HotEnd 1
stents
（4）Electronic devices
（5） transmission part
t
no name qty remark
1.
LM8UU Linear bearing
10
2.
MF1045 bearing
4
3.
608ZZ bearing
3
4.
coupling
2
5.
synchronous pulley
2
6.
Synchronous belt
2
meter
（6） The screw nut etc.
Table 6 nut screw list
no name qty remark
1. screw M3*7 1
2. M2*20 6
3. M3*10 25
4. M3*16 37
5. M3*20 12
6. M3*25 8
7. M3*30 1
8. M3*50 4
9. M 5*20 2
Table 4 Electronic devices list
no name qty remark
1. Ramps1.4 1
2.
Maincontrol
board
Mega2560 1
3. A4988 driver motor 4
4. 42 series motor stepper motor 5
5.
Hot bed
1
6.
Limit switch
3
7.
Extrusion head
1
8.
Switching power supply
1

5

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10.
set
1
11. M3
square nut
20
12. M3
Hexagonal nut
35
13. M5
Hexagonal nut
4
14.
nut
M8
Hexagonal nut
38
15. M2
Hexagonal nut
6
16. M3
Hexagon antiskid
4
17. M8
Non-slip nut
1
18. M3
gasket
63
19. M2 6
20.
gasket
M5 4
21. M8
gasket
40
22. M8
big gasket
4
23.
spring
6Hot bed with four, extruder with 2
24.
Power 220 v input
line 1
25.
others
12 v power supply
output line 4
Black red each two pcs
26.
Winding belt
1
meter
27.
USB cable 1pc
28.
The hinge shaft
1
4. Installation instructions
4.1 The tools required
Table 7 May need to be in the process of installation tools
no name qty remark
1.
M8 wrench
2
2.
Long nose pliers
1
3.
M2 socket head wrench
1
Synchronous belt wheel a few
meters installed
4.
M3 socket head wrench
1
Coupling a few meters installed
5.
cross screwdriver
2
One General specification
screwdriver and a small
specification screwdriver
6.
straight screwdriver
1
small specification screwdriver
7. Soldering iron 1
8.
Solder wire
1
9. Hand electric drill 1
Due to the print not special
accurate,some Holes may be
small size
you may need a hand electric
drill to
expand it
10. Heat gun 1
11.
Insulating tape
1

12. Heat shrinkable tube 1
13. Rubber mallet 1
You may need to hit into the shaft
bearings with some force into
the bearing hole
6

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4.2 installation
4.2.1 Install the frame plate and the triangular
support backside
（1） The required material
The main frame plate X1
Triangle back board X2
M3 Square nut X6
M3*16 screw X6
M3 gasket X6
（2） Installation steps
In the triangle frame board rectangular slot into M3
square nut
With 16 M3 * and M3 screw washer fixed main frame
plate and support the back
4.2.2 Install the motor and motor protector