Evil Mad EggBot, Instructions Manual

Page 1: ...EggBot Instructions...

Page 2: ...s a mini cnc machine capable of drawing on spherical objects such as eggs or christmas decorations balls Users can produce their own digital drawings and the machine will then transfer them onto spher...

Page 3: ...eter about 4cm long 2 x silicon o rings 1 x Arduino uno board 1 x Adafruit motor shield V2 2 x NEMA 17 stepper motors step angle 1 8 rated voltage 12V rated current 1 7A 1 x Power supply 12v 2A 20 x M...

Page 4: ...Assembling instructions...

Page 5: ...ATTACH THE BEARINGS Position the bearings on each side part of the eggbot as depicted below...

Page 6: ...s the rear of the eggbot and the supports for the two sides purple 3D printed parts in the picture below together using threaded rods and M8 bolts You will need about 20 bolts 1 M2x14 screw and 1 M2 n...

Page 7: ...MOUNT THE X AXIS MOTOR Use 3 M2x7 screws and 1 M2x14 screw 1 M2 washer to mount the X axis motor to the left side of the eggbot...

Page 8: ...MOUNT THE Y AXIS MOTOR Use 4 M2x10 screws and 4 M3 washers to mount the Y axis motor to the back of the eggbot...

Page 9: ...MOUNT ATTACHMENT PIECE FOR PEN ARM Place 2 M2 nuts inside the 3D printed part depicted below Then mount the latter to the Y axis engine M2 nuts facing the rear of the eggbot...

Page 10: ...ASSEMBLE PEN ARM Use 2 M3x10 screws 2 M3 washers to mount the part mentioned above to the servo arm...

Page 11: ...MOUNT THE PEN ARM mount the arm for the pen to the Y axis motor as shown below...

Page 12: ...he spring should be positioned on the inside of the structure along the threaded rod Attach the 3D printed head onto the end of the thread rod This should be able to move backwards a little bit by com...

Page 13: ...nect the X axis motor to M1 and M2 left side of the motor shield and the Y axis motor to M3 and M4 right side of the shield Connect the cables in the same order for each motor For example red blue bla...

Page 14: ...CONNECT THE SERVO MOTOR Connect the servo motor to servo 1 on the shield with the brown cable ground on the left and the yellow cable signal to the right...

Page 15: ...CONNECT THE POWER SUPPLY Finally connect the power supply to the power pins of the shield Red to the positive input left and black to the negative right...

Page 16: ...e egg sits inside to hold it sufficiently The egg is being held firmly so that it won t slip when it rotates All bolts are tightly done up Sides are at 90 degrees to the desk and straight The pen arm...

Page 17: ...PROGRAM YOUR BOARD...

Page 18: ...ZIP button Open up SphereBot ino with the IDE a Under Tools ensure Board is set to Arduino Genuino Uno and Port is set to the proper serial port b Under Sketch Include Library Manage Libraries search...

Page 19: ...CONNECT TO THE BOARD Connect the board using the USB Check that the correct board and port is selected...

Page 20: ...VERIFY IT WORKS Click the serial monitor button in the upper right of the IDE Make sure you have Newline and 115200 baud selected in the lower right drop downs...

Page 21: ...ype G0 X1600 into the top field The egg motor should spin 180 degrees with the side facing you traveling down counter clockwise looking at the face of the motor Type G0 X0 it should rotate back to the...

Page 22: ...now swing all the way to the right Again make sure it isn t hitting anything If your motors are not moving in these directions it is okay as long as they are BOTH moving in the wrong direction Otherwi...

Page 23: ...Enter M300 S115 that should gently lower the pen a little bit Enter M300 S110 Check that the pen sits above the egg and will not draw at this position Enter M300 S130 Check that the pen sits on the e...

Page 24: ...CREATING DIGITAL DESIGN...

Page 25: ...L DESIGN ON INKSCAPE You can now create your own designs on inkscape Under File Document Properties Page set a custom size of 3200 width 800 height and all of the units are in px Make sure the x to y...

Page 26: ...ype any text make sure to convert it to path before exporting the design for the eggbot Path Object to path If you import an image from the internet or your own image make sure to vectorise it Path Tr...

Page 27: ...L YOUR FINISHED DESIGN TO c souter226 gmail com Or if you have more time please continue A person from group 3 will join you at some point please help them to vectorise their image in Inkscape and ema...

Page 28: ...CREATE DIGITAL FILE FOR THE EGGBOT...

Page 29: ...ware that you will use to create your digital design Download the Unicorn G Code plugin for inkscape and install it Save the contents of the Zip folder in your inkscape extentions folder as shown Make...

Page 30: ...AVE YOUR FILE AS A GCODE Once you ve finished working on the design you will need to turn your drawing into g code for the eggbot To do so choose File Save as Under type select Makerbot Unicorn G Code...

Page 31: ...SET THE SETTING FOR YOUR GCODE FILE When prompted by the software provide the following values Page 1 of 2 125 0...

Page 32: ...SET THE SETTING FOR YOUR GCODE FILE When prompted by the software provide the following values Page 2 of 2...

Page 33: ...EMAIL YOUR DESIGN TO c souter226 gmail com A person from group 3 will now join you Please help them to vectorise their image and turn it into a gcode which the EggBot can read...

Page 34: ...CREATING DIGITAL DESIGN FROM A DRAWING...

Page 35: ...AD CAMSCANNER Install the CamScanner App onto your phone through the Google Play Store You should Skip the page about the premium free trial and there is also no need to make an account by clicking Us...

Page 36: ...CREATE YOUR IMAGE Draw your image on paper using black marker pens Make sure that it is a clear and solid black line with no small white gaps this will make it easier to vectorise...

Page 37: ...ing the CamScanner app scan in your drawing by taking a photo Crop the image so you have a small white border around your drawing Use the Magic Color filter to give a good contrast between your drawin...

Page 38: ...DIGITISE YOUR IMAGE Save then share small button in the top right corner as a jpeg to yourself by emailing uploading to your drive or sending to yourself over fb messenger...

Page 39: ...TORISE YOUR IMAGE Find a partner who was in Group 2 who has Inkscape and the Unicorn G Code plug in already installed Work together to import your image into Inkscape vectorise it and save it as a G C...

Page 40: ...PRINT YOUR DESIGN...

Page 41: ...your design into g code download and launch Repetier Host Connect your Eggbot by clicking connect and load your g code Once loaded put your egg into the EggBot and click print SUCCESS Watch your EggB...

Page 42: ...ions folder itself If motors stop working Disconnect reconnect reboot Arduino and rerun Distorted drawing could possibly be due to poor grip on the egg during rotation Try to use Blue tac or double si...