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ROBBO MINI User Manual

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ROBBO
3D PRINTER MINI
User Manual

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Summary of Contents for ROBBO MINI

  • Page 1 ROBBO 3D PRINTER MINI User Manual...

  • Page 3: Table Of Contents

    Table of Contents 1. Introduction 2. Purpose 3. Specifications 4. Contents of Delivery Kit 5. Structure and Working Principle 5.1. Physical Form Mounting base 5.1.1. Print bed 5.1.2. Z-axis sliding cradle 5.1.3. 5.2. Printing Technology 5.3. Suitable Working Materials 6. Safety Instructions 7.

  • Page 4: Introduction

    3D printer, or disfigured product. 2. Purpose ROBBO 3D PRINTER MINI is designed for home usage and mastering the 3D printing. The 3D printer uses fused-deposition layering technology to create a physical object after a digital 3D model. Despite its relatively small size, the 3D printer enables you to create a variety of artworks, plastic mechanisms, utensils etc.

  • Page 5: Contents Of Delivery Kit

    4. Contents of Delivery Kit The ROBBO 3D PRINTER MINI delivery kit includes: ● Assembled and configured 3D printer ● USB stick with software and setup ● Filament filter ● Power supply unit ● USB cable 5. Structure and Working Principle 5.1.

  • Page 6: Mounting Base

    5.1.1. Mounting base The mounting base of the 3D printer houses two stepped motors (Y and Z) and electronics compartment. 5.1.2. Print bed Moving print bed consists of X-axis stepped motor, guiding rods, and printing surface.

  • Page 7: Z-Axis Sliding Cradle

    Z-axis sliding cradle includes extruder’s motor, extruder, and airstream cooler (with the hood). 5.2. Printing technology ROBBO 3D PRINTER MINI uses Fused Depositing Method (FDM). 3D objects are created by depositing the fused layers of melted plastic on the print bed.

  • Page 8: Suitable Working Materials

    5.3. Suitable working materials The choice of the working materials for ROBBO 3D PRINTER MINI is based on four criteria: ● Operating temperature of the extruder (will the plastic melt?) ● Surface adhesion (will the plastic hold to the surface?) ●...

  • Page 9: Safety Instructions

    ● Do not touch the heater when the 3D printer is working. ● Do not let foreign objects in moving parts and fans. 7. Software ROBBO 3D PRINTER MINI runs the free and open source firmware Marlin. (https://github.com/MarlinFirmware/Marlin) Free application Repetier-Host is used as operating software (https://www.repetier.com) Free application Slic3r is used to prepare the 3D model for printing (http://slic3r.org/)
  • Page 10 Left-side toolbar Toolbar on top (Upper toolbar)
  • Page 11 Right-side toolbar The right-side toolbar contains five tabs with buttons. ● 1 — Object Placement ● 2 — Slicer ● 3 — Preview This tab shows the parameters of the ready model (printing time, number of layers, approximate length of the filament needed).

  • Page 12: Software Installation

    ● 4 — Manual Control ● 5 — SD Card It enables saving the ready model on an SD card for printing afterwards. 7.2. Software Installation The accompanying USB stick contains the distributions of the required software. The software is free, and you can also download the latest versions from the developers’ website. The software is installed by two stages.
  • Page 13 3. Click [Next]: 4. Tick the checkbox to accept the license agreement and click [Next]:...
  • Page 14 5. Choose a folder for software installation: 6. Choose the program components to install (make your choice as shown in the picture):...
  • Page 15 7. Create the shortcut to launch the program: 8. Create such shortcut on the desktop too:...

  • Page 16: For Linux

    9. Click [Install]! After that, copy Slic3r folder into the folder where Repetier-Host has been installed: Congratulations, the software is installed! Go to Section 7.3 of this Manual. 7.2.2. For Linux To install Repetier-Host, unpack the archive in your home directory. To do so, you have to unpack it in the Home folder of your system.

  • Page 17: Software Setup

    7.3. Software Setup 3D printer has two categories of settings: Repetier-Host settings and Slic3r settings. Repetier-Host settings are to be typed manually in the Printer Settings window. For that, click the [Printer Settings] button: Copy the values from the picture below (the [Connection] tab): WARNING: while choosing COM port, the 3D printer should be connected.
  • Page 18 Copy the values from the picture (the [Printer] tab): Copy the values from the picture (the [Extruder] tab):...
  • Page 19 Copy the values from the picture (the [Printer Shape] tab): Congratulations, you have configured Repetier-Host. Now we have to go to Slic3r settings.
  • Page 20 Slic3r settings are loaded automatically. To load them, go to the [Slicer] tab and click the [Confuguration] button: In the window that opens, select [File], then click [Load Config Bundle], and choose the file that contains the settings (ROBBO_3D-PRINTER_MINI_Slic3r_config_bundle) on USB stick.

  • Page 21: Preparation For Work

    Then close Slic3r window. Next, you have to specify the settings to be used in Repetier-Host (under the [Slicer] tab): Congratulations! The software is up and ready to run. 8. Preparation for Work The following is required to start printing: 1.

  • Page 22: Maintenance

    9. Maintenance 9.1. Lubrication Once a month, lubricating the cylindrical guiding rods X Y Z is required. To that effect, lubricating oil for home appliances should be used. The lubricant should be applied on 5–10cm of the guiding rod length. 9.2.

  • Page 23: Notched Belt Tension

    Filament replacement is completed. 9.3. Notched Belt Tension No less often than every 3 months, the tension of notched belts of X-axis and Y-axis should be checked. The check should be made as follows: 1. Switch off the 3D printer. 2.

  • Page 24: Pulling-Up The Х-Axis Belt

    9.3.1. Pulling-up the X-axis belt 1. Loosen the screw with the 7-size spanner. 2. Pull the belt with your hand in the red arrow direction. 3. Pull the belt tight as required, holding it with your hand. 4. Tighten the tensioner screw. 9.3.2.

  • Page 25: First Launch

    9.4. First launch Having the 3D printer unpacked and the software installed, you should check the performance. Start Repetier-Host. 1. Plug the USB cable in. 2. Click [Connect]. The button gets green (and its title changes to Disconnect), which means the connection is established.

  • Page 26: Test Printing

    9.5. Test printing To start test printing, click the [Load] button in Repetier-Host. Go to the [Slicer] tab and “slice” the model (by clicking the [Slice with Slic3r] button). When slicing the model is finished, start printing. 9.6. Troubleshooting Z-axis accuracy Poor accuracy along the Z axis results in 3D printer malfunctioning.
  • Page 27 Such problems are caused by the offset of zero point. This issue is solved by adjusting the print bed height programmatically. To do so: 1. Connect the 3D printer to the computer. 2. Launch Repetier-Host and click the [Connect] button. 3.
  • Page 28 4. Marlin Firmware EEPROM Settings window will open. This window contains the main 3D printer settings (also included in the firmware) and enables to modify them in a quick and friendly way. To calibrate the print bed position, modify the setting in Homing Offset: > Z: field. ●...

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