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Aurarum Wombot Exilis Assembly & Instruction Manual

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Summary of Contents for Aurarum Wombot Exilis

  • Page 1 Assembly Instruction Manual Wombot is a brand of...

  • Page 2: Health And Safety

    Nozzle/Hot End/Extruder, which is designed to operate at a maximum of 250 degrees Celsius. Instant and serious burns will result from contact with the skin. Once you have completed the assembly of your Wombot Exilis, please also familiarise yourself with the User Manual before attempting to print for the first time as it contains useful information on how to calibrate and operate your Exilis as well as troubleshooting information.
  • Page 3 Required Items to complete the build All components and fasteners required to complete assembly are included with your Exilis Kit. You will also require some basic hand tools and equipment as follows:...
  • Page 4 Base Frame Module Step 1 – Y Idler Module Pre-Assembly In your kit of parts, locate the following items. ITEM DESCRIPTION BOLT M8 X 45mm CAP HEAD IDLER PULLEY LARGE NYLON NUT M8 NYLOC WASHER M8 FLAT Assemble the Y Idler Module as per the following image then set it aside to be fitted later. Only tighten the lock nut until it touches the bearing centre on the idler.

  • Page 5: Top View

    Step 3 – Base Frame Layout In your kit of parts, locate the following items. ITEM DESCRIPTION 3030 EXTRUSION 410mm LENGTH 3030 EXTRUSION 340mm LENGTH 3030 SLIDING NUT M6 3030 SLIDING NUT M5 Lay out all Base Frame components on a clean flat surface. Arrange the Aluminium Extrusion pieces by length and insert all Sliding Nuts and Right Angle Joints as per the images according to the Item Number in the component listing.

  • Page 6: Step 4 - Base Frame Assembly

    Step 4 – Base Frame Assembly Once all sliding nuts, right angle brackets and Y idler have been fitted, gently slide together the frame on a flat surface and gently tighten each of the cap head screws in the right angle brackets so that they can still be adjusted or moved. Make sure that the frame is true and square before tightening the four corner brackets in the base of the frame using a square as follows: All corner joints must be at 90 degrees (perpendicular).
  • Page 7 Please note that the Y motor bracket (the one in the middle) is modified - it has a small notch cut out in one mounting arm to avoid the bed rail which will be fitted in the next step. Please also observe the orientation of the connectors on the stepper motors when fitting, as per the below images: Locate the following items in your kit and fit them as per the below images: ITEM...
  • Page 8 Step 7 – Assembling the Heated Bed Platform. In your kit of parts, locate the following items: ITEM DESCRIPTION PRE-WIRED WOMBOT MK4 HEATED BED SCREW COUNTERSUNK M3 x 20mm BED SPRING NUT M3 NYLOC Fit the Countersunk M3 screw from the top side of the heated bed (side with the Wombot Logo and warning symbols) and secure in place on the underside of the bed (side with tracks) with nyloc nuts firmly.
  • Page 9 BED SPACER ALUMINIUM BED BELT MOUNTING BLOCK BOLT M3 x 20mm CAP HEAD NUT M3 NYLOC An Important Note on Eccentric Nuts and their function: Before beginning assembly of your Heated Bed Platform (or Extruder Carriage Module in a later step), it is essential that you understand the installation and correct operation of Eccentric Nuts.
  • Page 10 Proceed by fitting the Bolts, Eccentric Nuts, Spacers and Black Delrin Wheels to the bed trolley as per the below images while noting the orientation of the aluminium bed trolley in relation to the mounting holes in the centre and along the edge (yellow arrows).
  • Page 11 The M3 Nyloc Nuts holding the heated bed to the aluminium trolley should have between ½ mm and 1mm pass-through of thread from the bolt. Do not concern yourself with making each corner of the heated bed the same distance from the trolley at this point, they will need to be adjusted later to level the bed manually prior to printing.
  • Page 12 Pass the GT2 Belt through the Bed Belt Mounting Block with the teeth (rounded portions of the belt) in such a way that the belt will travel towards the Y motor and engage with the pulley. Place the GT2 Belt Wedge on the belt so that it engages with the belt –...
  • Page 13 The underside of your frame should look like this once the Y Belt work is finished. Adjust the position of the Y motor so that the belt runs perfectly straight and parallel to the bed rail as indicated by the yellow arrows below. Adjust the height of the GT2 Pulley on the Y motor shaft so that the belt is flat and straight in relation to the rail and Y Idler.
  • Page 14 Using a cordless drill fitted with a 3mm diameter drill bit, drill two holes as per the below image so that the loom coming from the heated bed assembly can be anchored with cable ties to the bed rails: Locate the following items in your kit of parts for the next step: ITEM DESCRIPTION SPIRAL WRAP BLACK NYLON...
  • Page 15 Wrap the heated bed wires with spiral wrap as a protective sheath. Cable tie the loom to the bed rail as per the below images making sure that there is sufficient strain relief (extra length) on the loom so that it can travel the full length of the bed, front to rear, without any tension or binding: Fit one of the 900mm stepper looms to the R/Hand Z motor.
  • Page 16 Your Exilis Printer Base Frame can be set aside for now while you pre-assemble the remaining modules before fitting them to the printer frame. Step 9 – X Rail In your kit of parts, please locate the following items and lay them out on your table: ITEM DESCRIPTION X MOTOR BRACKET...
  • Page 17 Set aside the assembled motor and locate the following items in your kit of parts: ITEM DESCRIPTION X IDLER HOUSING IDLER PULLEY GT2 16 TOOTH BOLT M5 x 25mm CAP HEAD NUT M5 NYLOC Place the Idler Pulley inside the Housing and insert the M5 bolt from the top of the housing. Make sure it passes through the centre of the idler pulley and out through to the other side of the housing.
  • Page 18 Assemble the X Rail Brackets by inserting the M8 Bolts into the bracket from the flat side of the bracket. Lock them in place using M8 Standard Hex Nuts. Gently lock in place by using a ring spanner or adjustable wrench and a hex key. Please do not over-tighten them as this may cause the bracket to compress and split over time.
  • Page 19 Place Flat Washers on the M4 x 10mm Cap Head Screws and set them aside, then place Spring Washers and Flat Washers on the M4 x 12mm Cap Head Screws and set them aside as per the following images: Locate the piece of 445mm long 2020 Black Extrusion – this serves as the chassis of the X rail which will travel up and down on the Z axis while serving as the carriage for the extruder to move left to right while printing (X Axis).
  • Page 20 With respect to the orientation of the X Motor Module, please load the rest of the M4 Sliding nuts as per the below images. Please note that there are no sliding nuts on the FRONT of the X rail, only TOP, REAR and BOTTOM:...
  • Page 21 Once all sliding nuts are in place and are captive in the extrusion slots, fasten the X Idler Module to the other end of the rail using the 10mm long M4 cap head bolts with flat washers. Please observe the orientation of the X Idler Module in relation to the X Motor Module: Using an M4 x 10mm Bolt with Flat Washer fitted, secure the X End Stop Module to the BOTTOM of the frame.
  • Page 22 Now is a good time to align and secure the Pulley on the X Motor Module. Using an Allen Key of appropriate size, align the pulley tooth surfaces with the centre of the slot in the X rail. The Pulley needs to be aligned perfectly with the slot in the extrusion because half of the belt length will travel inside the extrusion during X Axis motion.
  • Page 23 Connect the 900mm Stepper Motor Loom to the X Axis Motor Module as per the following image: Join the X Stepper Motor Module Loom to the X Axis End Stop Module loom using Black Spiral Wrap. Please remember to allow some extra cable in a small loop for the End Stop Module Loom to allow for final adjustment of the End Stop Position.
  • Page 24 Step 8 – Extruder Carriage Assembly. In your kit of parts, locate the following items: ITEM DESCRIPTION EXTRUDER CARRIAGE PLATE DELRIN WHEEL BLACK ECCENTRIC NUT M5 NUT M5 NYLOC WASHER M5 FLAT BOLT M5 x 35mm CAP HEAD Begin by loading each M5 x 35mm Bolt with a Flat Washer. Pass these bolts through the Extruder Carriage Plate from the Flat Side.
  • Page 25 Place two of the three black delrin bearings over the bolts as per the below image and fasten them down with two of the three remaining M5 Nyloc Nuts. Set aside the remaining Black Delrin Wheel and M5 Nyloc Nut for a later step – Fitting the Extruder.
  • Page 26 Remove 3 screws from the rear of the Stepper Motor as per the below image. Fit the motor to the Extruder Carriage using 3 x 45mm M3 Cap Head Screws, each with Spring and Flat Washers fitted. Fit the remaining M3 x 45mm Cap Head Bolt into the pre-drilled hole on the top of the extruder carriage bracket as per the following image.
  • Page 27 Secure the two M3 x 40mm Cap Head Bolts into the side of the extruder carriage plate utilising the two pre-drilled holes and 2 x M3 Standard Hex Nuts as per the following image. There is already a cavity in the rear of the extruder carriage to house and retain the two nuts to prevent them from turning during tightening.
  • Page 28 Begin by securing the Part Cooling Fan Brace to the Part Cooling Fan loosely using one of the 20mm M3 Cap Head Bolts, one Flat Washer under the head of the bolt and one Nyloc Nut as per the image below. Next, using the other mounting hole in the Fan, fit it to the Extruder Carriage Plate loosely with the other 20mm M3 Bolt with one Flat Washer under the head of the bolt.
  • Page 29 Step 9 – MK8 Extruder Module Assembly. In your kit of parts, please locate the following items: ITEM DESCRIPTION MK8 EXTRUDER MOUNTING PLATE BOLT M3 x 8mm PAN HEAD PHILLIPS #1 BOLT M3 x 5mm PAN HEAD PHILLIPS #1 MK8 EXTRUDER IDLER TENSION ARM MK8 EXTRUDER FILAMENT TENSION BEARING BOLT M4 x 7mm BROAD PAN HEAD PHILLIPS #2 BOLT M3 x 16mm CAP HEAD...
  • Page 30 Secure the Filament Tension Bearing to the Tension Arm tightly using the M4 x 7mm Broad Head Phillips Bolt. Set it aside for the moment. Place your Extruder Carriage on your workspace, motor face up and secure the Extruder Mounting Plate to the face of the Motor using the M3 x 5mm Philips Bolt as per the below images: Tightly secure the M3 x 8mm Pan Head Bolt into the bottom of the Extruder Mounting Plate as per the below image.
  • Page 31 Assemble the Filament Tension Spring to the M5 x 8mm Cap Head Bolt. This bolt serves as a locator and anchor for the filament tension adjustment bolt. Insert the assembled spring into the extruder module. Install the M4 x 40 Cap Head Bolt in the top of the Tension Arm so that it passes through the arm and locates itself in the head of the bolt on the spring assembly.
  • Page 32 Begin assembling the Hot End by screwing the Nozzle all the way into the Thermal Block until it stops. Please note orientation of Nozzle to Thermal Block with respect to the position of the Grub Screw. Only tighten the nozzle finger tight, it will need to be unscrewed slightly later in order to secure the Thermal Break.
  • Page 33 Unfortunately, this also makes them susceptible to breaking if handled roughly, over-tightened or mechanically twisted or bent. Please exercise care and a gentle hand when handling thermal breaks of all types as they are low cost consumable items that are not covered under warranty, should you break it during assembly of your kit. Fit the Heater Cartridge into the thermal block and secure it gently with the grub screw on the nozzle side of the block.
  • Page 34 Next, in your kit of parts, please locate the following items: ITEM DESCRIPTION MK8 EXTRUDER HEATSINK FAN 40mm AXIAL 24V DC FAN GUARD 40mm WASHER M3 FLAT WASHER M3 SPRING BOLT M3 x 45mm CAP HEAD Place the MK8 Heatsink on top of the Extruder as per the following image. Place the 40mm Fan on top of the heatsink. Load one M3 Spring Washer and one M3 Flat Washer to each of the M3 x 45mm Bolts.
  • Page 35 Please note: these two Bolts extend into the bottom two tapped (threaded) holes on the Extruder Stepper Motor. These Bolts are intended to hold the Heatsink, Fan, Fan Guard In your kit of parts, please locate the following items: ITEM DESCRIPTION BL-TOUCH BRACKET RIGHT ANGLE BL-TOUCH MODULE...
  • Page 36 Using the two M3 x 16mm Cap Head Screws, two M3 Flat Washers and two M3 Nyloc Nuts, fit the BLTouch Bracket to the Extruder Carriage Module. There are recesses in the rear of the Extruder Plate to house and lock the Nyloc Nuts in place. Do not fully tighten this bracket to the carriage, it will need to move up or down for final calibration of the BLTouch Sensor at the end of the build.
  • Page 37 With the BLTouch Sensor installed, connect the two DuPont Extension cables into the connectors on the end of the wires coming from the BLTouch sensor EXACTLY the same as the following image. Make sure that on the 2 pin connectors you join BLTouch BLACK to Extension RED and that you join BLTouch WHITE to Extension BLACK.
  • Page 38 Please study the following images for guidance on how to shape and secure the wires to the extruder carriage, BLTouch Bracket and the M3 Bolt Turret on the top of the Extruder Carriage using cable ties and Spiral Wrap. Please remember to allow a little extra cable for each component, but not so much that the excess cable will interfere with operation or get in the way.
  • Page 39 In your kit of parts, please locate the following items: ITEM DESCRIPTION 3030 EXTRUSION 465mm LENGTH - VERTICAL RAIL TRAPEZOIDAL LEAD SCREW 4-START 8mm DIAMETER 8mm PITCH T-NUT BRASS 4-START 8mm PITCH COUPLER FLEXIBLE 5mm TO 8mm ALUMINIUM Place your Base Frame on a clean flat surface. Loosen the four right angle brackets on the top side of the Base Frame so that the Vertical Rails can be slotted into them easily and shifted into their final locations.
  • Page 40 Take your Trapezoidal Lead Screws and Couplers. Lay them out on your table. Loosen the grub screws so that they are clear of the internal bore of the coupler. Insert 8mm of Lead Screw into the end of each coupler and tighten the grub screws so that the Lead Screw is secure in the Coupler as per the following image.
  • Page 41 Loosen the four screws on the X Rail as per the following image: Gently align the X Rail with the top of the vertical rails making sure the Large White Bearings align with the grooves on the outside of the Vertical Rails and that the Lead Screws pass through the holes in the X Rail Brackets. Lower the X Rail down gently and slowly.
  • Page 42 Next, please locate the following items in your kit of parts: ITEM DESCRIPTION BOLT M3 x 15mm CAP HEAD NUT M3 NYLOC TR8 STABILISER BRACKET- 3D PRINTED RADIAL BEARING 608Z...
  • Page 43 Press the 608Z Bearings into the TR8 Stabiliser Brackets. Set them aside for the moment. With the X Axis Rail still at a height that will allow you to access the underside of the Brass T Nuts on both sides, rotate each T Nut slightly until one of the mounting holes in the flange of the T Nut aligns with the hole in the X Axis Bracket.
  • Page 44 Step 12 – Top Gantry In your kit of parts, please locate the following items: ITEM DESCRIPTION 3030 EXTRUSION 340mm LENGTH 3030 INTERNAL R/ANGLE BRACKET GRUB SCREW M6 BOLT M6 x 10mm CAP HEAD 3030 SLIDING NUT M5 BOLT M5 x 16mm CAP HEAD 3030 SLIDING NUT M6 Using the M5 Grub Screws and two of the M6 x 10mm Bolts, prepare the R/Angle Brackets as per the following images: Set aside the Right angle brackets for the moment and lay your piece of 3030 extrusion out on the table.
  • Page 45 Insert the Top Gantry complete with Sliding Nuts and R/Angle Brackets into the Vertical Rails as per the following images. Make sure that the Gantry Rail is pushed flush with the Vertical Rails on the top and sides before tightening in place. It may be necessary to push the vertical rails outward slightly in order to fit the Top Gantry.
  • Page 46 Once you are satisfied that the Top Gantry is flush on all corners with the Vertical Rails, fasten the Grub Screws and CapHead Screws in the R/Angle Bracket to secure the Gantry in place, alternating between Grub Screw and Cap Head Bolt to make sure the R/Angle Bracket centralises correctly between the two parts.
  • Page 47 Step 13 – Fitting the Extruder Module to the X Rail It is now time to fit the Extruder Module to the X rail. Please locate the following in your kit of parts: ITEM DESCRIPTION GT2 BELT 6mm WIDTH 1 MT GT2 BELT WEDGE GT2 X BUCKLE 3D PRINTED EXTRUSION CLIP...
  • Page 48 Place the Extruder Module on the Heated Bed. Feed the GT2 Belt through the front of the cavity in the X Axis Motor Mount on the left hand side of the printer and around the pulley. Pass the pulley through the rear of the X Axis Idler Bracket and around the Idler Pulley.
  • Page 49 With the Extruder Module now fitted to the X Rail, bring the GT2 Belt up to the right hand side of the extruder. Pass it through the GT2 X Buckle and snap the GT2 Buckle into place over the two long bolts on the side of the extruder module. Take note of the position of the belt in regard to the left hand side of the buckle –...
  • Page 50 It comes delivered to you already pre-loaded with a modified version of Marlin Firmware for your Wombot Exilis as well as all required stepper motor drivers (already pre-tuned to the correct current settings) so that you don't have to worry about loading firmware, modifying code or measuring stepper drivers to get your machine up and running in the quickest possible time frame.
  • Page 51 In your kit of parts, please locate the following items: ITEM DESCRIPTION MOTHERBOARD - MKS GEN 1.4 MOTHERBOARD ENCLOSURE BOLT M5 x 10mm CAP HEAD 3030 SLIDING NUT M5 SELF TAPPING SCREW SILVER FAN 40MM AXIAL 24VDC MOTHERBOARD ENCLOSURE COVER BOLT M3 x 15mm CAP HEAD NUT M3 NYLOC RIBBON CABLE SET - 10WAY IDC - LCD...
  • Page 52 Set aside the cover for now and fit the M5 x 10mm bolts and M5 3030 Sliding Nuts to the Motherboard Enclosure as per the following image (it is easier at this point of assembly with the machine frame built and the vertical rails in place to fit the sliding nuts to the case and slide it on than it is to slide the nuts into the frame while trying to hold the nuts in place).
  • Page 53 Secure the bottom loom you have just fed into the enclosure to the vertical rail using an extrusion clip and a cable tie as per the following images: Your Main Board must be wired in two stages – firstly the wires that need to be cut to length, stripped and screwed into the terminals along the top of the board and run behind the board prior to securing it within the enclosure and second, the wires that only need to be plugged in to sockets and the excess cable lengths cable tied together at the end.

  • Page 54: Power Terminals

    Please see the below table and image for the correct termination point for each set of power related cables on your Wombot Exilis. Familiarise yourself with where each component needs to be wired to then follow the steps below in sequence.
  • Page 55 Start wiring your Motherboard by loosening all of the screw terminals on the board so that they can accept wires. Bring the Motherboard up to the enclosure and first of all, secure the Main Power Input cables and the Heated bed cables. These will sit behind the board when you secure the Motherboard to the enclosure floor.
  • Page 56 With these two sets of cables terminated, bring the Motherboard up to the enclosure with the screw terminals towards the top, making sure that the Main Power and Heated Bed cables are routed BEHIND the board and flat against the rear of the Motherboard Enclosure.
  • Page 57 Next, bring the second loom from the X Axis Rail up to the bottom of the Motherboard Enclosure so that it forms a “U” shape . This extra loom material will provide plenty of spare cable for the X Axis to move up and down in the Z direction during printing.

  • Page 58: Stepper Motors

    Thermistors In your wiring looms, locate the Heated Bed and Extruder Thermistor cables. Connect them to the motherboard as per the following image: Stepper Motors Locate the Stepper Motor Looms for each stepper motor on your Exilis. Plug them in to the corresponding ports on the Motherboard.
  • Page 59 LCD Cables Plug in the two Ribbon Cables to the Motherboard – they are located at the bottom of the motherboard below the thermistor connectors. Take note of which cable is connected to the EXP 1 port and which is connected to the EXP 2 port.
  • Page 60 Closing Up the Motherboard Enclosure Once you are happy that all wires have been terminated in their correct positions on the Motherboard (please double check them to make sure) and that there is no strain present on any of them (not tightly pulled against anything and properly seated to the Motherboard) you can gently push the wiring into position within the confines of the enclosure and fit the Motherboard Enclosure Cover.
  • Page 61 First, fit the LCD Mounting Bracket to the rear of the Gantry Frame. You will need to load one M5 x 10mm Bolt and one 3030 M5 Sliding nut to the bracket first so that it can slide vertically into the rear of the left hand vertical rail. Please note that the bracket has a tapered opening –...
  • Page 62 Next, assemble the LCD into the housing by placing the LCD face down into the Fascia, placing the Rear Cover over the LCD rear panel and securing it with the four M3 x 20mm bolts. Important note: do not over-tighten these 4 Bolts to the point where it distorts the housing –...
  • Page 63 Step 16 – End Caps, Idler Wheel Cover Plate and Spool Holder In your kit of parts, locate the following items: ITEM DESCRIPTION Y IDLER COVER PLATE 2020 END CAP COVER 3030 END CAP COVER BOLT M5 X 10mm CAP HEAD SPOOL HOLDER BRACKET SPOOL TUBE Place the Y Idler Cover Plate over the front bottom rail of the Exilis.
  • Page 64 Fit the two Spool Brackets to the Top Gantry using the two Bolts you loaded previously, as per the following image. The Spool tube can be fitted between the two collets at the top of the spool holders to support the roll of filament.
  • Page 65 Congratulations, If you have followed each assembly process carefully and completed each step, then you have completed the assembly of your Wombot Exilis 3D Printer. All that's left now is to check a few things, calibrate your end stops and you will then be ready to power up your printer.
  • Page 66 Eccentric Nuts – Please re-check the eccentric nuts on the extruder carriage and bed trolley to make sure that they are the correct tension and that there is no excessive slop throughout their entire range of movement. Hot End – Check that your thermal break, heater block and nozzle are tight and do not rotate when turned by hand. Bed Level –...
  • Page 67 Remove the M5 Bolt and Nut and replace them in the LCD Module to secure the LCD. You can now proceed to powering up your Wombot Exilis and familiarising yourself with the display, menu structure and features.