MAKE MENDEL Page 1

PlusBot 3D Printer

PlusBot is a latest generation 3D printer, capable of printing 3D objects of PLA/ABS plastic. PlusBot 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 RapidBotPlus 3D Printer, Kindly drop a mail at :

support@makemendel.com, Our team will be ready to help you, and to answer your querries.

MAKE MENDEL Page 2

Technical Specification :

• Machine size 400 x 200 x 320 mm

• Build size 220 x 220 x 165 mm

• Nozzle Diameter : 0.4mm

• Layer Thickness : 0.1mm

• Speed : 60 mm/s

• Positioning Precision : 27 microns

• Input Format : STL

• Software : Pronterface (Available on site for free under Download section)

• System Compatibility : Windows 7 and Vista

• Power Supply : ATX, 450W

• Weight (Kg) : 12

Features :

1) XY Core Mechanism.

2) Spring Printbed Adjustment.

3) High quality linear motion guides.

4) Printrboard and Power Supply are adjusted at the bottom to give clean and neat look.

5) Mechanically more Stable Design

6) Very easy to build, just 7-8 hours.

7) High quality Aluminium T2.5 Pulley and belt with Accurate and easy placement.

8) Large build volume with easy accesibility.

9) Uses high quality acrylic from http://www.perspex.co.uk

10) Self locking design ensures rigid frame with easy steps(Without need of any

measurements, during building).

MAKE MENDEL Page 3

Assembly of PlusBot

MAKE MENDEL Page 4

Part List For PlusBot-Acrylic Sheets

Qty Part Drawing

2 Side Plates

1 Middle Plate

1 Front Plate

1 Back Plate

1 Top Plate

MAKE MENDEL Page 5

1 BottomPlate

1 PrintrBed-Support Plate

1 AcrylicPrintBed

1 PCB HeatBed

1 Extruder Base

1 Extruder Motor Plate

1 Driven Holder

2 Idler Holder

2 X-Rail Top Plate

2 Smooth Rod Cap

2 Cap screw for smooth rod

1 Acrylic support for Z Mechanical switch

12 BearingSupport in XPlate

2 T2.5 Belt 195cm

MAKE MENDEL Page 6

1 MK7 Drive Gear

Hardware

Qty Part Drawing 23 M3 Nylock Nut

8 M4 Nylock Nut

4 M2.5x20 Screw

2 M2.5x25 Screw

6 M2.5 Sada Nut,

13 M3x12 SocketCap Screw

18 M3x15 SocketCap Screw 19 M3x20 SocketCap screw

4 M3x25 CounterSink

2 M4 x20 SocketCap screw

6 M4x25 SocketCap Screw

2 M4x25 Countersink Screw

3 M4x50 Countersink Screw

3 M4x40 SocketCap Screw

4 M4x60 SocketCap

5 SMPS mounting Screw

MAKE MENDEL Page 7

M3 Washer

M4 Washer

M4x10 Washer

6 624-Bearing

2 623-Bearing

1 ACME Flange nut

2 Flange bearing

1 Coupling 5 _8

2 Soft Spring

(1Extruder + 1ZSwitch)

3 Hard spring

1 Dummy Rails

1 Forceps

1 FeviQuick

8 M3 x 15 screw

1 Plastic Tie

1 Small Linear Motion Guide

2 Large Linear Motion Guide

Hotend and Electronics

Quantity Part Drawing

4 Stepper Motors-NEMA 17

MAKE MENDEL Page 8

2 T2.5 Timing Pulley_5mmBore (For X-Y Motor)

1 J HotEnd Extruder

1 PTFE Strain Relief

1 Printrboard REV D Electronics Board

1 LCD

1 LCD flat cable

1 LCD connection PCB

3 Mechanical switch with 3 pin

Molex Connector

1 Z Prusa Cable

1 Cartridge Heater (12V, 40 Watt)

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 SMPS

2 Kapton Tapes (50mm + 15mm)

MAKE MENDEL Page 9

1 Magnetic Leveler

1 10m sample PLA 1 M8 Threaded Rod-250mm 2 M8 Threaded Rod of Spool Holder-

125mm

2 Smooth Rod-333mm 1 Paper Tape 50mm wide

1 Allan Key 2

1 Allan Key 3

1 Wrench 5mm, 6mm

NOTE:

Dummy Rails: Dummy rails are given for maintenance purpose, if you will need in future. Be

careful while removing the LM block from the Rail. Put dummy rail on block before removing it.

4 pin Molex Connector: We give one extra.

Cooling Fan: Cooling Fan are needed for ABS , If you are using PLA there is no need of Cooling

fan

Hotend: We provide are pre-solder Hotend

End Stops: When you press Print button, basically all 3 axis move to its HOME position. HOME position is detected by Mechanical Switch. When switch is pressed, then printer understands that, it has reached its home. So there are 3 mechanical switch, 1 for each axis(X,Y,Z). 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 10

List of Frames

2 x Side Plates: Front Plate:

Back Plate : XPlate :

Insert 2 Side plates, in Slots of Front and Back plate, Then connect the structure using

M4x20 Cap scre

MAKE MENDEL Page 11

Assemble Bottom Plate : 1) Attach the Circuit board (Printrboard) at the bottom of the bottom-Plate, using Plastic

Ties. Fix ATX Power supply using SMSP Mounting screws.

2) Attach one Z motors at the Bottom plate between Printrboard and ATX Power supply.

Bottom View of Y Frame:

Z Mechanical Switch Assembly

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.

.

Mechanical

Switch

To Limit the

MAKE MENDEL Page 12

Assembly of PrintBed Support Plate

Bottom Side:

1) First attach 2 Linear bearing to the PrintBed Support Plate using M3x20 Cap Screw.

2) Acme Lead Screw with flange nut is given, fix the Nut to Printbed Support Plate. At

Bottom end of Acme Lead screw fix Coupling5_8. Acme lead screw will go into 8mm bore

of coupling while motor shaft will be fix in 5mm bore of coupling

Flange Nut Flange Bearing

MAKE MENDEL Page 13

3) Now Between Printbed Support plate and printbed fix the springs using M4 x 50

countersink screws.

4) Springs are to be placed in triangular shape.

5) Now place PCB on Acrylic plate. Cover RED side of PCB with kapton tape, At Bottom of

RED side 4 Pin molex is already soldered which will go to Printrboard . On BLACK side of

PCB Thermistor is placed at the center with Kaptont tape. Open ends of thermistors are

attached to 2 Pin Molex which will go to Printrboard.

6) Use Plastic ties to fix PCB heatbed on Acrylic plate.

MAKE MENDEL Page 14

MAKE MENDEL Page 15

Now assemble the both Side plates with Bottom plate .

Before moving to top plate assembly will keep the belt adjuster ready, so that belt placement

will be much handy.

Assemble a set of 624 Bearings, M4x40 Socket, Mudguard, M4 washer, and M4 Nylock nut.

MAKE MENDEL Page 16

Top Plate Assembly

1. Place two motors at each corner of Top plate using M3 x 12 screws, fix T2.5 pulleys to the motor shaft.

2. On the Inner side of Top plate Rails are already Pre-attached by our Team. 3. Put already assembled X plate on both side rail blocks. Use M3 x 12 screws to fix it.

Move X plate forth and back, just to check the Rapid movement. 4. Place the belt adjuster and T2.5 Pulley on Top plate. Belt Adjuster to be placed In Opposite of T.25 Pulley 5. Place Bearing stack on X plate. Use Bearing Support of X plate to place Bearing stack of 624 bearing. See below image for where to place Bearing stacks. 6. They should be place on four corners of x plate. 2 bearing support at each corner.

7. Now will assemble belt, follow the below sequence. Attaching belt to the ExtruderBase Plate

1) Take the ExtruderBase Plate, apply some glue on side face (this is not must), then just use

Plastic ties to tie it. Start to fix the T2.5 belt from one side of Extruder base plate.

2) Complete the belt round through Pulley, belt Adjuster and Bearing stack at X plate and

finish it to opposite side of extruder base plate.

MAKE MENDEL Page 17

3) Attach the Extruder base plate on the Rail Block.

4) At the time of belt assembly Keep X plate at the center of Top plate, so that you can judge

how tight belt is to keep.

X-Mechanical Switch Linear Motion Guide

MAKE MENDEL Page 18

After Assembling of Complete Extruder

Now put the Top plate on to complete machine. Below is complete

assembled machine image.

M4x20

Driver Gear

MAKE MENDEL Page 19

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 20

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 brown and black wire to thermistor

MAKE MENDEL Page 21

3) Use the silicon glue to fill the gap between resistor and brass block of hotend.

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 22

STEP 9: Electrical wiring (Printrboard)

Place PrintrBoard on Acrylic Board with Cap Screw M3x12

Connect the cables as shown above.

MAKE MENDEL Page 23

Steps to be followed while using Printrboard Electronics: 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 RapidBotPlus/Orca Kit from us.

3. Install Pronterface (With Slic3r) http://makemendel.com/support-1/downloads 4. Set Baud rate as 250000 5. Note: You have to connect the Hotend thermister to PrintrBoard, then this “Min

Temprature triggered” error will go away.

6. Remove the Boot Jumper (Black) from the printrBoard, before connecting it to the PC.

The jumper is only needed only during the firmware update

MAKE MENDEL Page 24

Printer Images:

Front View

Back View

MAKE MENDEL Page 25

Top View:

Right Side View

MAKE MENDEL Page 26

Left Side View