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

  • Page 1 Any person can easily build it by following our Manual. If you have any queries or requests related to If you have any queries or requests related to MegaBot 3D Printer, Kindly drop a mail at : 3D Printer, Kindly drop a mail at : support@makemendel.com, Our team will be ready to help you, and...
  • Page 2 High quality aluminium pulley with T2.5 belts for Accurate and easy belt placement. Large build volume with easy accesibility. Uses high quality acrylic from http://www.perspex.co.uk Self locking design ensures rigid frame with easy steps(Without need of any measurements, during building). MAKE MENDEL Page 2...
  • Page 3 Assembly of MegaBot MAKE MENDEL Page 3...
  • Page 4 Part List For MegaBot-Acrylic Sheets Part Drawing RightPlate LeftPlate XPlate FrontPlate BackPlate TopPlate BottomPlate MAKE MENDEL Page 4...
  • Page 5 GlassPrint Bed AcrylicPrintBed PCB HeatBed ExtruderBasePlate ExtruderMotorPlate Driven Holder Idler Holder X-Rail Top Plate TopSmoothRodCap(2 with Counter sink for Front Side) BottomSmoothRodCap Acrylic Support for Z Mechanical switch GlassSupportSquareBlocks BearingSupport in XPlate T2.5 Belt MK7 Drive Gear MAKE MENDEL Page 5...
  • Page 6 1-623 Bearing) M3x25 CounterSink (4Extruder Base Plate+8GlassSupport) M4 x20 SocketCap screw (MotorMountingPlate) M4x25 SocketCap Screw (SmoothRodCap) M4x25 Countersink Screw (SmoothRodCap) M4x50 CounterSink (4PrintBed) M4x40 SocketCap Screw (2Belt Idle on TopPlate + 1ZSwitch) M4x60 SocketCap (Belt Idler) MAKE MENDEL Page 6...
  • Page 7 (Extruder) Flange nut Flange bearing Coupling 5 _8 Soft Spring (1Extruder + 1ZSwitch) Hard spring (PrintBed) Dummy Rails Forceps FeviQuick Small Plastic Tie Big Plastic Tie Small Linear Motion Guide (XAxis) Large Linear Motion Guide (2YAxis) MAKE MENDEL Page 7...
  • Page 8 LCD flat cable LCD connection PCB Micro SD Mechanical switch with 3 pin Molex Connector Z Prusa cable Thermistor G550 EPCOS Teflon sleeve 2 pin Teflon Molex connector Cooling Fan 60 x 60 USB Printer cable MAKE MENDEL Page 8...
  • Page 9 So, there is a Z Flag, which should go into the Z Optical switch, If z switch is moved during shipping, then adjust it, so that it is pressed when nozzle is around 0.2 mm distance from PrintBed.. MAKE MENDEL Page 9...
  • Page 10 List of Frames 2x Side Plates: Front Plate: Back Plate : XPlate MAKE MENDEL Page 10...
  • Page 11 1) Using Acrylic part and Screws (M2.5 x 25) given place the mechanical switch at the Side plate. 2) Assemble M4 Nylock, M4x40 Screw, Soft Spring, Mudguard Washer and place above the Mechanical switch to limit the switch. MAKE MENDEL Page 11...
  • Page 12: Frame Assembly

    Mechanical Switch To Limit the Mechanical Switch FRAME ASSEMBLY Fix Two side plates with Bottom Plate Using plastic ties. MAKE MENDEL Page 12...
  • Page 13 2. Put Rail along with block on X Plate. Rail is pre assembly by our team. 3. Put two acrylic blocks on Rail Block. 4. On Top of that put the extruder, which is pre assembled. Use Screws to fix the extruder on Rail. MAKE MENDEL Page 13...
  • Page 14 5. Now will assemble X Mechanical switch on X plate. Use M2.5 x 25 Screw to fix it at proper place. Mechanical switch is soldered to two pin Molex already which will go to Printrboard (X-STOP). 6. Your X Plate is ready with complete Extruder placed on it. MAKE MENDEL Page 14...
  • Page 15 1. Facing machine from front, rod assembly for left side as follows. 2. Put the coupling at the bottom side of Lead screw (8mm side). Other side of coupling will be fixed in motor shaft (5mm side). Motor is already fixed on Bottom plate. MAKE MENDEL Page 15...
  • Page 16 Fix the base of smooth rod in smooth rod caps using screws. 4. Repeat step no.2 & 3 to do assembly of rods on right hand side. 5. Now your rods are fixed on Bottom plate. MAKE MENDEL Page 16...
  • Page 17 3. Use the small 8 x acrylic Blocks given. They are to give support to glass printbed, so that it will not shake and will keep the glass in a fix place. 4. Use plastic ties to fix those 8 x small acrylic blocks. MAKE MENDEL Page 17...
  • Page 18 MAKE MENDEL Page 18...
  • Page 19: Top Plate Assembly

    1. Place the two motors at each corner of Top plate using M3 x 12 screws, fix T2.5 pulleys to the motor shaft. 2. On the Bottom side of Top plate fix rails using screws at the end of each rail, use screws at alternative holes on rail to keep to properly place. MAKE MENDEL Page 19...
  • Page 20 3. Turn around your Top plate, Put already assembled X plate on rail blocks. Use screws to fix it. move X plate forth and back, just to check the Rapid movement. MAKE MENDEL Page 20...
  • Page 21 4. Place the belt adjuster and T2.5 Pulley on Top plate. See below image for the places where they should be placed. 5. Place Bearing stack on X plate. Use Bearing Support of X plate. They should be place on four corners of x plate. 2 bearing support at each corner. MAKE MENDEL Page 21...
  • Page 22 3) Attach the Extruder base plate on the Rail Block. 4) At the time of assembling belt Keep X plate at the center of Top plate, so that you can judge how tight belt is to keep. After Assembling of Complete Extruder MAKE MENDEL Page 22...
  • Page 23 7. You are done with top plate assembly.  Now put all the frames together, Starting from Bottom plate.  Your frame with Rods , Glass Printbed is ready, Just put the top frame and your machine is ready to print.. MAKE MENDEL Page 23...
  • Page 24 STEP 8 –J-HOTEND SOLDERING: We have already, given you pre-soldered Hotend with the Kit. So you do not need to do below steps. MAKE MENDEL Page 24...
  • Page 25 1) Thermistor with Kapton tape and Teflon sleeve 2) Teflon Wire with 4 Pin Molex connector  Solder the yellow and grey wire to resistor  Solder the Red wire to thermistor MAKE MENDEL Page 25...
  • Page 26 4) Final Assembling of J head hotend Extruder. Note: Set Extuder Temperature to 185 Degree, allow it to heat up to 180 degree then only hit “Extrude” Button on Pronterface software. This will avoid clogging in Hotend MAKE MENDEL Page 26...
  • Page 27 STEP 9: Electrical wiring (Printrboard) Place PrintrBoard on Acrylic Board with Cap Screw M3x12 Connect the cables as shown above. MAKE MENDEL Page 27...
  • Page 28 1. Check whether all the connections made on your Printrboard Board are proper. 2. Printrboard comes ready to print with Marlin RC 2 Firmware and LUFA CDC BootLoader, So you do not need to change any firmware, if you have purchased entire MegaBot/Orca Kit from us. 3. Install Pronterface (With Slic3r) http://makemendel.com/support-1/downloads 4.
  • Page 29 Printer Images: MAKE MENDEL Page 29...