Make Mendel RapidBot Mega Operation manual

MAKE MENDEL Page 1
RapidBot Mega 3D Printer
RapidBot Mega is a latest generation 3D printer, capable of printing 3D objects of PLA plastic.
RapidBot Mega uses high quality Linear motion guides. So it is very easy to build. Self locking
design ensures rigid frame with easy steps(Without need of any measurements, during building)
Any person can easily build it by following our Manual.
If you have any queries or requests related to RapidBot Mega 3D Printer, Kindly drop a mail at :
[email protected], Our team will be ready to help you, and to answer your querries.

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Technical Specification :
• Machine size 900 x 350 x 500 mm
•Build size 750x250x200 mm
• Nozzle Diameter : 0.4mm
• Layer Thickness : 0.1 mm
• Speed (mm/s) : 60
• Positioning Precision : 27 microns
• Input Format : STL
• Software : Pronterface
• System Compatibility : Windows 7 and Vista
• Power Supply : ATX, 450W
• Weight : 25 Kg
Features :
1. It uses high quality linear motion guide.
2. Compact Design.
3. Printrboard and Power Supply are placed at the bottom to give clean and neat look.
4. Mechanically more Stable design.
5. Improved the PrintBed Adjustment.
6. Improved Extruder Design and Z axis.
7. Accurate and easy belt placement.
8. Large build volume with easy accessibility.
9. Uses high quality acrylic from:www.perspex.co.uk
10. Integrated power supply for both Printrboard and Heatbed.
11. Uses high quality aluminium pulley with T2.5 belts, to give high accuracy.
12. Self locking design ensures rigid frame.
Part List For RapidBotMega Acrylic Sheets

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Qty
Part
Drawing
2
Side Plates
1
Middle Plate
1
Support plate for X plate
1
Front Plate
1
Back Plate
1
Top Plate
1
Y Kite support
1
Heated Print Bed
1
Aupport Plate for PCB Heatbed
1
Acrylic plate to connect two Y
Rails
1
Support for Y Plate
2
Support for Y Plate
3
Linear Motion(LM) Guide
1
Extruder Base
1
Extruder Motor Plate

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1
Driven Holder
1
Idler Holder
1
Y-Rail Top Plate
1
Acrylic support for Z Mechanical
switch
2
Smooth Rod Cap
2
Cap screw for smooth rod
2
X and Y Belts(GT2-700 mm)
4
Brass Insert piece
HARDWARE
Qty
Part
Drawing
17
M3 Nylock Nut
40
M4 Nylock Nut
10
M2.5 Nut –& Screw Philips
4
M3 X 8 Philips Screw
22
M3 x 12 Socket Cap Screw
5
M3 x 15 Socket Cap Screw
17
M3 x 20 Socket Cap screw
4
M3 x 25 Counter Sink Cap Screw
14
M4 x 20 Socket Cap screw
19
M4 x 25 Socket Cap Screw
2
M4 x 25 Counter sink Cap Screw
2
M4 x 40 Socket Cap Screw

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6
Screw for SMPS mounting
4
M2.5x20 Mechanical switch screw
&nut x & y switch for use
2
M2.5x25 Mechanical switch for z aliment
90
M3 Washer
70
M4 Washer
2
M4x10 Washer for mechanical switch
7
624-Bearing
2
Flange nut
2
Flange bearing
2
Coupling 5 _8
2
Soft Spring (1)(Extruder 2-Opto)
Hard spring (2)
1
Heat sink Paste
1
Dummy Rails
1
Forceps
1
FeviQuick
1
Plastic Tie
HOTEND AND ELECTRONICS
Qty
Part
Drawing
5
Stepper Motors-NEMA 17

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2
GT2 Timing Pulley_5mmBore (For X-Y Motor)
1
J HotEnd Extruder
3
Heater Blocks and Extra wire with Power
Connector
1
PTFE Strain Relief
1
Printrboard REV D Electronics Board
3
Mechanical switch with 3 pin Molex Connector
1
Z Prusa Cable
1
Resistor (3 watt 6.8 Ohm)
1
Thermistor G550 EPCOS
2
Teflon sleeve
2
4 pin and 2 pin Teflon Molex connector
1
Cooling Fan 60 x 60
1
USB Printer cable
1
Universal Travel Adaptor
1
Mini SMPS
2
Kapton Tapes (50mm + 15mm)
1
Magnetic Leveler
1
10m sample PLA
1
M8 Threaded Rod-285mm
2
M8 Threaded Rod of Spool Holder-125mm
2
Smooth Rod-292mm

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M2.5 Details
1
M2.5 Philips
Countersink Belts &
nuts(10)
Heated Print Bed (10)
2
M2.5x20 philips
Countersink
screw(4)
X & Y mechanical switch
3
M2.5x25
Countersink
screw(2)
Z mechanical switch
aliment
M3 Details
1
M3 Nylock(43)
LMG Rail (26)
Idler Excle (1)
Flange Bearing (8)
Flange Nut (8)
2
M3x8 Philips
Countersink (4)
Extruder base Plate (4)
3
M3 X 12 Socket Cap
(21)
Motor (X,Y,Z) (17)
SMPS(4)
4
M3x15 Socket Cap
(35)
LMG Rail (22) fitting
item
Extruder Motor (3)
5
M3 X 20 Socket Cap
(21)
Flange Nut (8)
LNG Rail Fitting (4)
623 Ugra Bearing (1)
Flange Bearing (8)
6
M3 x 25 Socket
Counter Sink Cap (4)
Print Bed (4)
7
M3 Nut (8)
LMG (2 at each end)
fitting (8)
8
M3 Washer (90)
LMG Rail (26)
Flange Bearing (16)
X-Y-Z Motor (16)
SMPS (4)
Flange Nut(16)
Extruder Motor Plate (8)
M4 Details
1
M4 Nylock Nut (40
Smooth Rod Cap (8)
Acrylic Side Fitting (26)
Bed Adjustment (2)

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Acrylic Base Plate Fitting
(2)
Z- Opto (1)
2
M4 x 20 Socket
Cap (14)
Acrylic Support (12)
Acrylic Base Plate (2)
3
M4x25 Counter
Sink (2)
294 mm Smooth Rod
Cap (6)
4
M4 X 25 Socket cap
(19)
300 mm Smooth Rod(6)
Acrylic Support(13)
5
M4 X 40 Socket cap
(2)
Belt Adjustment X,Y (2)
6
M4 X 20 Mudguard
Washer (4)
Belt Adjustment (4)
7
M4 Washer (80)
Main Structure Panel
(50)
624 Bearing Belt (11)
Extruder Motor Support
Plate (4)
Smooth Rod Cap (14)
Other Parts
1
624 Bearing (7)
X, Y Adjusting Belt (7)
2
623 Bearing (1)
Extruder Idler Holder
Part (1)
3
608 Bearing (2)
PLA Spool Holder (2)
4
M8 Nuts (12)
PLA Spool Holder
(8)
5
M6 Brass Nut (2)
Extruder (2)
6
Flange Nut (2)
Y Plate Threaded Rod
7
Flange Bearing (2)
Y Plate Smooth Rod
8
Smooth Rod Cap (4)
Smooth Rod Cap (4)
[Top Plate
Bottom Plate]
Note : How to Increase the build dimensions for Mega in Pronterface
1) Start ProntrFace
2) Go to Settings->Options->Set Build_dimensions to “750x250x165+0+0+0”.
3) Press Ok, and then close and restart the Prontrface
4) It will show you updated PrintBed grid.

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Assembly of Mega

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Picture 1.1
Index for Picture 1.1
Part
Number
Name of Part
1
Back Plate
2
Aupport Plate for PCB Heatbed
3
Top Plate
4,5
Cap Screw for smooth rod
6
Acrylic plate to connect two Y Rails
7
X Plate
8
Extruder base Plate
9
Support plate for X plate
10, 11
Fan Support Piece
12,13,14
Acrylic piece use in Printbed assembly
15, 16
Cap screw for smooth rod
17
Y Plate
18
Side Plate
19
Front Plate
20,21
Support for Y Plate
22
Side Plate
23
Z-mechanical switch
24
Support for Y Plate