Imaginbot Controller for 1 Cubic Meter 3D Printer

Custom PCB

Arduino Mega 2560

Arduino IDE

Soldering Station, 110 V

<p ></p><div class="se-component se-video-container __se__float-none" contenteditable="false" style="width: 100%;"><figure style="width: 100%; height: 56.25%; padding-bottom: 56.25%; margin: 0px;"><iframe frameborder="0" allowfullscreen="" src="https://www.youtube.com/embed/UdN6qVLs8tQ" data-proportion="true" data-percentage="100%,56.25%" data-size="100%,56.25%" data-align="none" style="width: 100%; height: 100%;" data-index="0" data-file-size="0" data-origin="100%,56.25%"></iframe></figure></div><h3 >BLOCK DIAGRAM</h3><p >Connect the various modules that make up the system respecting this diagram attached in the SCHEMATICS section (at the bottom of the page).</p><div id="gallery"><img id="gallery" src=https://projects.arduinocontent.cc/2023d56e-be7c-4db9-bc25-aadd32be7ba1.jpg /><figcaption> </figcaption><img id="gallery" src=https://projects.arduinocontent.cc/3dd27c76-2aa2-4715-ba05-6e1da257bc17.jpg /><figcaption> </figcaption></div><h3 >Download the Complete Manual</h3><p ><a href="http://www.imaginbot.com/it/wp-content/uploads/imaginbot_com_v_a1_manuale.pdf">PDF Manual Download</a></p><p ><a href="http://www.imaginbot.com/it/wp-content/uploads/PART-LIST.pdf">Download List of components</a></p><h3 >DOWNLOAD GERBER ORIGINAL FILES FOR FREE</h3><p >to print the imaginbot 3D controller circuit</p><p ><a href="http://www.imaginbot.com/it/download-the-files-for-free/">Download Gerber file to build the circuit</a></p><h3 >CONTROLLER CARD</h3><p > </p><figure><img src=https://projects.arduinocontent.cc/def13900-bb58-47db-9a7d-79737e1a2fac.jpg /><figcaption> </figcaption></figure><p ></p><h3 >DC POWER SUPPLY</h3><p >Use a six-wire cable to connect the power supply of the controller board (POWER SUPPLY connector) to the power supply board (POWER SUPPLY connector).</p><p >You can also use three pairs of cables.</p><div id="gallery"><img id="gallery" src=https://projects.arduinocontent.cc/235ec7af-0935-41a6-af12-812e68e2ca09.jpg /><figcaption> </figcaption><img id="gallery" src=https://projects.arduinocontent.cc/6faa8435-a8ff-482f-844d-56200d786bde.jpg /><figcaption> </figcaption><img id="gallery" src=https://projects.arduinocontent.cc/3b75aaf3-6482-4c4d-91cc-abc92a15e8ed.jpg /><figcaption> </figcaption></div><h3 >USB</h3><p >Connect a common USB cable directly to the Arduino USB port.</p><figure><img src=https://projects.arduinocontent.cc/a5353574-e37e-41dd-ab9d-4b18773c247b.jpg /><figcaption> </figcaption></figure><h3 >STEP-BY-STEP DRIVERS</h3><p ><strong >(CONNECTORS FROM M1 TO M7)</strong></p><p >Use the four-wire cable for signals respectively:</p><p >Y1 (M1) and Y2 (M2) connectors: driver cables of the 2 motors on the Y axis.</p><p >Connectors Z1 (M3), Z2 (M4), Z3 (M5), Z4 (M6): driver cables of the 4 Z-axis motors.</p><p >Connectors X1 (M7): X-axis motor driver cables.</p><figure><img src=https://projects.arduinocontent.cc/e01a96cb-0d7a-4a62-8a2c-39479c06d7f4.jpg /><figcaption> </figcaption></figure><p >Follow this table for connecting the driver cables:</p><p >Screen printing on card --- Color</p><p >5V ---------------------- Red</p><p >PUL --------------------- Green</p><p >DIR --------------------- Yellow</p><p >EN ---------------------- Blue</p><p >The connectors are intended for the various drivers and can be wired with 0, 5 mm2 wire.</p><p >It is a good idea that the wire is not spirally wound (twisted) on the 4 connections relative to each driver.</p><p >The driving capacity of the various axes is expressed by the following table:</p><p >Axis-Connectors - Piloting capacity</p><p >X --------- M7 -------------- 1 driver</p><p >Y ------- M1, M2 ----------- 2 drivers</p><p >Z ---- M3, M4, M5, M6 ----- 4 drivers</p><figure><img src=https://projects.arduinocontent.cc/27deec1f-8369-41c5-992e-bf04da92af16.jpg /><figcaption> </figcaption></figure><h3 >LIMIT SWITCH (END-STOP)</h3><p >Use the two-wire cable to connect the limit switches respectively:</p><p >X-MIN (M9) and X-MAX (M10) connector: minimum and maximum X-axis limit switch.</p><p >Y-MIN connector (M11) and Y-MAX (M12): minimum and maximum Y-axis limit switch.</p><p >Z-MIN connector (M13) and Z-MAX (M14): minimum and maximum Z-axis limit switch.</p><div id="gallery"><img id="gallery" src=https://projects.arduinocontent.cc/f503d808-af7a-426a-81f7-99832b3d8a87.jpg /><figcaption> </figcaption><img id="gallery" src=https://projects.arduinocontent.cc/91c6f120-e512-4dfa-adf1-30e868c88279.jpg /><figcaption> </figcaption></div><h3 >EXTRUDER</h3><p >The extruder group includes several cables:</p><p >EXTRUDER connector (M8): Extruder four-wire stepper motor cable.</p><p >RISC connector (M15): Two-wire heating element cable.</p><p >TERM connector (M18): Two-wire thermistor cable.</p><p >VENT connector (M16): Two-wire fan cable (observe polarity).</p><figure><img src=https://projects.arduinocontent.cc/2bb240bc-e8b9-41cb-9928-53d17be17b20.jpg /><figcaption> </figcaption></figure><h3 >EXTRUDER MOTOR (M8 CONNECTOR)</h3><p >This connector transfers the command pulses to the extruder's stepper motor.</p><p >Having to support about 1 A of current for each pin it is good to be wired with wires not less than 1 mm2 (18 AWG).</p><p >If the cable length exceeds 1m it is necessary to increase the section to 1.2 mm2.</p><div id="gallery"><img id="gallery" src=https://projects.arduinocontent.cc/d3c5c294-9b7e-46f8-9a8b-a928ffe85c4c.jpg /><figcaption> </figcaption><img id="gallery" src=https://projects.arduinocontent.cc/6da65527-a101-41ff-a5a5-6c4816606e17.jpg /><figcaption> </figcaption></div><h3 >HEATING ELEMENT</h3><p >(M15 CONNECTOR)</p><p >The 12 VDC power supply portal connector on the extruder heating resistance.</p><p >The wires must have a cross-section of at least 1.5 mm2.</p><p >Enabling is indicated by the red LED.</p><figure><img src=https://projects.arduinocontent.cc/e78892e2-bcd5-4f65-a380-0c340e9107b0.jpg /><figcaption> </figcaption></figure><h3 >THERMISTOR (M18 CONNECTOR)</h3><p >The connector collects the thermistor connections inside the extruder.</p><p >It is important that in the event of a connection coming from the thermistor is connected directly to the metal parts, it is connected to the right pin (if viewed from the front).</p><p >The right pin is grounded and can be distinguished in the general drawing because it has a square pad.</p><p >If in doubt, it is advisable to check whether one of the wires related to the thermistor really has a direct connection on the metal parts (extruder) and, in this case, proceed as indicated.</p><figure><img src=https://projects.arduinocontent.cc/7142cd9f-2b16-4586-ac53-88711ead1f28.jpg /><figcaption> </figcaption></figure><h3 >EXTRUDER FAN (M16 CONNECTOR)</h3><p >This connector controls, via software, the fan present on the extruder.</p><p >The wires can be of section 0, 5 mm2.</p><p >The enabling of this fan is indicated by the green LED.</p><figure><img src=https://projects.arduinocontent.cc/a2cd025f-5669-46cf-88e1-c8f27abd26a7.jpg /><figcaption> </figcaption></figure><h3 >SERVICES (M17 CONNECTOR)</h3><p >There are 12 service VDCs for a maximum current that can be drawn equal to 0, 4 A.</p><p >The polarity is marked with the &#34;+&#34; symbol on the screen printing.</p><p >This terminal can be used to connect any fans not controlled by the software (always active) also intended for cooling external power supplies.</p><figure><img src=https://projects.arduinocontent.cc/e341ad37-4642-44b9-9163-ac20eb0229f8.jpg /><figcaption> </figcaption></figure><h3 >SD PLAYER DISPLAY (EXP1 AND EXP2)</h3><p >The connectors have the task of connecting the display-encoder unit to the board.</p><p >Connect the 12864 display via its 10-wire flat cables.</p><p >Connect the first cable to the EXP1 connector and the second cable to the EXP2 connector.</p><p >Respect the right direction on both sides by orientating the cleat on the cable connector towards the slot on the connector on the board.</p><figure><img src=https://projects.arduinocontent.cc/e8e1aacd-00ad-41dd-88f8-f15e4a0ceb0c.jpg /><figcaption> </figcaption></figure><p ><strong >WARNING!</strong></p><p >An incorrect arrangement of the same (can easily lend itself to being reversed between them) can cause irreversible damage.</p><p >The maximum length of the flat cable should not exceed 25cm.</p><figure><img src=https://projects.arduinocontent.cc/7f430cd3-039f-452b-8403-71aa8746fd01.jpg /><figcaption> </figcaption></figure><h3 >POWER SUPPLY CARD</h3><p ></p><div id="gallery"><img id="gallery" src=https://projects.arduinocontent.cc/b4bead05-23f0-4164-a5a0-8c4e1cdb5ed8.jpg /><figcaption> </figcaption><img id="gallery" src=https://projects.arduinocontent.cc/dc3602f3-9f69-40d3-98e1-9405312037d7.jpg /><figcaption> </figcaption></div><p > </p><h3 >POWER SUPPLY CONNECTOR</h3><p ><strong >INPUT FROM ELECTRICITY NETWORK</strong></p><p >Present on the front panel, it supplies AC power to both the external board and the power supplies.</p><p >It can be wired with a female connector for IEC type tray, commonly available.</p><p >The cable must not have a section less than 1.2 mm2 and must be equipped with earth.</p><p >A common 220VAC cable for fixed computers can be used.</p><p >Before connecting the cable, make sure that the main switch is OFF and that the card is inside an insulating container so as to protect.</p><div id="gallery"><img id="gallery" src=https://projects.arduinocontent.cc/a3d55359-69b9-4c18-9d8e-377953f80dce.jpg /><figcaption> </figcaption><img id="gallery" src=https://projects.arduinocontent.cc/913f8bad-08cb-42d8-a778-57c955e1cfd0.jpg /><figcaption> </figcaption><img id="gallery" src=https://projects.arduinocontent.cc/6facb381-a2e4-4187-be2c-d34add731399.jpg /><figcaption> </figcaption></div><h3 >DC OUTPUT FOR POWER SUPPLY</h3><h3 >CONTROLLER CARD</h3><p >Use the cables recommended in the table at the end of this document to connect the two boards together, Controller and Power Supply.</p><div id="gallery"><img id="gallery" src=https://projects.arduinocontent.cc/73a88449-9200-4a84-b4ca-1d23dc6b5f68.jpg /><figcaption> </figcaption><img id="gallery" src=https://projects.arduinocontent.cc/9ec9f827-5858-4367-88b3-23f11ec72e2a.jpg /><figcaption> </figcaption><img id="gallery" src=https://projects.arduinocontent.cc/7d9dbf47-80e7-4459-aa9f-91e25baa0b44.jpg /><figcaption> </figcaption></div><h3 >RC FILTERS</h3><p >Connect the 220VAC inputs of the two RC filters with a common monitor cable to the connector on the 220VAC output power supply board.</p><p >Each cable must have three conductors:</p><p >Phase (brown).</p><p >Neutral (blue).</p><p >Earth (green and yellow).</p><p >The inputs of the filter 1 and filter 2 can be connected in parallel.</p><div id="gallery"><img id="gallery" src=https://projects.arduinocontent.cc/62c0b864-076e-45f2-a1c8-000f849a942f.jpg /><figcaption> </figcaption><img id="gallery" src=https://projects.arduinocontent.cc/caafa65a-97d9-41a3-bab5-f15a7f4c8227.jpg /><figcaption> </figcaption><img id="gallery" src=https://projects.arduinocontent.cc/cc31c2df-dbfb-415b-810a-01a69806558d.jpg /><figcaption> </figcaption></div><h3 >OUTDOOR POWER SUPPLY CONNECTIONS</h3><p ><strong >OUTPUT POWER SUPPLY CONNECTOR</strong></p><p >It is present on the front panel.</p><p >This is the connector that returns the 220VAC network to external power supplies.</p><p >It can be wired with a male plug for IEC type tray, commonly available.</p><p >The cable must not have a section less than 1.2mm2 and must be equipped with earth.</p><p >Connect the 220VAC output of the RC filters with four common cables for electrical systems to the four external power supplies:</p><p >Exit from Filter 1: power supply 1 and 2.</p><p >Exit from Filter 2: power supply 3 and 4.</p><p >Each cable must have three conductors: Phase (brown).</p><p >Neutral (blue).</p><p >Earth (green and yellow).</p><div id="gallery"><img id="gallery" src=https://projects.arduinocontent.cc/e6b0ff78-b34e-4fa8-b889-970d98e6f2df.jpg /><figcaption> </figcaption><img id="gallery" src=https://projects.arduinocontent.cc/14208dbb-2b48-4d7c-aeaa-b1eb6f70807c.jpg /><figcaption> </figcaption><img id="gallery" src=https://projects.arduinocontent.cc/495a9433-feb9-4f78-8eba-bb979157379d.jpg /><figcaption> </figcaption></div><h3 >LOW VOLTAGE (DC)</h3><p >Use a two-wire cable for each driver respectively (observe polarity):</p><p >Power supply 1: Z1 and Z2 axis drivers.</p><p >Power supply 2: Z3 and Z4 axis drivers.</p><p >Power supply 3: Y1 and Y2 axis drivers</p><p >Power supply 4: X1 axis driver.</p><div id="gallery"><img id="gallery" src=https://projects.arduinocontent.cc/f96e109c-dd13-45b5-8370-7772c3058b7d.jpg /><figcaption> </figcaption><img id="gallery" src=https://projects.arduinocontent.cc/49853dce-9824-472e-a9b8-0dbd4ad3ca54.jpg /><figcaption> </figcaption></div><h3 >STEP-BY-STEP MOTOR DRIVER CONNECTIONS</h3><p >Use the guinea pigs two wires coming from the DC outputs of the power supplies for the power supplies of each driver (positive and negative).</p><p >Use the four-wire cable from the controller board for each driver's signals.</p><p >On the driver connectors, make the connections and bridges as shown in this diagram:</p><div id="gallery"><img id="gallery" src=https://projects.arduinocontent.cc/783745b5-e009-4e68-9f17-b4eb0f149ad2.jpg /><figcaption> </figcaption><img id="gallery" src=https://projects.arduinocontent.cc/58d127f4-f43c-4afc-ba26-2b7e5edacc99.jpg /><figcaption> </figcaption><img id="gallery" src=https://projects.arduinocontent.cc/b2ad26f6-04ae-4362-8023-a0110e21020e.jpg /><figcaption> </figcaption></div><h3 >Download the Complete Manual</h3><p ><a href="http://www.imaginbot.com/it/wp-content/uploads/imaginbot_com_v_a1_manuale.pdf">PDF Manual Download</a></p><p ><a href="http://www.imaginbot.com/it/wp-content/uploads/PART-LIST.pdf">Download List of components</a></p><h3 >DOWNLOAD GERBER ORIGINAL FILES FOR FREE</h3><p >to print the imaginbot 3D controller circuit</p><p ><a href="http://www.imaginbot.com/it/download-the-files-for-free/">Download Gerber file to build the circuit</a></p>

Imaginbot Controller for 1 Cubic Meter 3D Printer

This controller was designed to build a 3D cubic meter printer by commanding large-scale stepper motors.