Introduction
Please note: All measurements provided in this guide are based upon building a 300x300 V-Core 3.
If you are building a machine of a different size, the following adjustments can be made to the stated extrusion lengths:
- 200x200: Remove 100mm
- 400x400: Add 100mm
- 500x500: Add 200mm
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6x T-Shape Joining Plate for 3030
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30x M6x12 Cap Head Screw
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30x 3030 Drop-in T-Nut - M6
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M6x12 Cap Head Screw
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3030 Drop In T-Nut - M6
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T-Shape Joining Plate for 3030
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Loosely thread the 3030 T-Nuts onto the M6x12 screws. Do not tighten them at this point.
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Set these plates aside until Step !!
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10x panel_magnet_holder printed part
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10x panel_magnet_mount printed part
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10x M6x12 Cap Head Screw
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10x 3030 Drop-in T-Nut - M6
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40x Neodymium Disc Magnet - 10x4mm
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20x M6 Nylon Locking Hex Nut
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panel_magnet_mount printed part
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Neodymium Disc Magnet - 10x4mm
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The magnets are designed to be a tight fit into the printed part. If they are loose, or you wish to secure them further, place a few drops of cyanoacrylate glue into the printed part before adding the magnet
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M6x12 Cap Head Screw
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3030 Drop-in T-Nut - M6
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Loosely thread the 3030 T-Nuts onto the M6x12 screws. Do not tighten them at this point.
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Set these assemblies aside until Step !!
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panel_magnet_holder printed part
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Neodymium Disc Magnet - 10x4mm
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The magnets are designed to be a tight fit into the printed part. If they are loose, or you wish to secure them further, place a few drops of cyanoacrylate glue into the printed part before adding the magnet
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M6 Nylon Locking Hex Nut
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Set these assemblies aside until Steps 7, 8 & 11
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RatRig provides DXF and STEP files for you to have your own panels produced locally. These are available for download on the RatRig V-Core 3 GitHub repository
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2x panel_enc2_side_size
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1x panel_enc2_door_size
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1x panel_enc2_top_size
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1x panel_enc2_back_size
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Use the file with the correct size for your printer (200, 300, 400 or 500)
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4x Rat Rig nylon door handle
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10x Panel magnet mount assemblies from Step 5
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8x M6x16 Cap Head Screw
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8x M6 Nylon Locking Hex Nut
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24x M6x12 Cap Head Screw
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24x M6 Washer
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There are 6 magnet mount positions on the door (or 4 on the 200). Repeat the following for each of them
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panel_enc2_door_size
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M6x12 Cap Head Screw
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M6 Washer
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Panel magnet mount assembly from Step 5
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Take care not to over tighten the M6x12 screw as you can damage the printed parts
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There are 2 magnet mount positions on the door. Repeat the following for each of them
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panel_enc2_door_size
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Rat Rig nylon door handle
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M6x16 Cap Head Screw
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M6 Nylon Locking Hex Nut
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Do not overly tighten the M6 nylon locking hex nuts when securing the handles, as this can cause the panel to warp which will prevent a good seal to the printer
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Completed door panel assembly
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Set the completed door assembly aside until Step !!
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panel_enc2_top_size
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Install four of the panel magnet mount assemblies to the top panel
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Take care not to over tighten the M6x12 screw as you can damage the printed parts
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Install two of the Rat Rig nylon handles to the top panel
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Do not overly tighten the M6 nylon locking hex nuts when securing the handles, as this can cause the panel to warp which will prevent a good seal to the printer
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Set the completed top assembly aside until Step !!
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48x M6x12 Cap Head Screw
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48x M6 Washer
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48x 3030 Drop-in T-Nut - M6
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panel_enc2_side_size
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M6 Washer
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M6x12 Cap Head Screw
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3030 Drop-in T-Nut - M6
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Loosely thread the 3030 T-Nuts onto the M6x12 screws. Do not tighten them at this point.
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Repeat the previous steps to install an M6x12 cap head screw, M6 washer and 3030 drop-in t-nut to each hole on the remaining panels as shown
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Set all panels aside until Step !!
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EVA3 toolhead assembly
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Upper CoreXY belt tensioner
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Lower CoreXY belt tensioner
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Loosen both CoreXY belt tensioners as shown
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Left CoreXY motor assembly
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M3x35 Cap Head Screw
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Support the NEMA17 stepper motor whilst removing the M3x35 screws
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Remove the four M3x35 screws to release the NEMA17 motor
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Left CoreXY NEMA17 stepper motor
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Set the 4x M3x35 screws and NEMA17 stepper motor aside until Steps 20 & 21
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M5x40 Cap Head Screw
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Loosen, but do not remove, both of the M5x40 screws
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M6x14 Countersink Screw
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Loosen the three M6x14 screws
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Lift the upper CoreXY motor cage assembly from the machine
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Remove all 3 M6x14 screws, and 3030 t-nuts, from the printed part
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Remove the two M5 nylon locking nuts from the printed part
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xy_motor_cage_top_left_3.1_cutout printed part
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M6x14 Countersink Screw
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M5 Nylon Locking Hex Nut
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3030 Drop-in T-Nut - M6
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Assemble the new CoreXY motor cage top as shown
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Install the xy_motor_cage_top_left_3.1_cutout assembly onto the frame as shown
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Make sure the belt loop remains in the position shown
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Tighten the three marked M6x14 screws to secure the CoreXY motor cage top to the frame
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M5x40 Cap Head Screw
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Tighten the M5x40 screws to secure the bearing stacks into the CoreXY motor cage top
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CoreXY NEMA17 stepper motor from Step 16
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Position the NEMA17 motor up and into the motor cage from below,
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Insert the M3x35 screws from Step 16 into the CoreXY motor cage as shown, and fasten them to secure the NEMA17 motor to the mount
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Repeat Steps 16 thru 21 to replace the right side CoreXY motor cage top
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M6x12 Cap Head Screw
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Loosen all of the M6x12 screws and remove the corner plate assembly
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Loosen all of the M6x12 screws and remove the second corner plate assembly as well
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Set these corner plate assemblies aside until Step !!
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M6x12 Cap Head Screw
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Loosen but do not remove the marked M6x12 screws
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Rear right 3030 extrusion
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Pull the 3030 extrusion upwards to remove it from the machine frame
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760mm 3030 Extrusion
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Insert the 3030 extrusion into the bottom corner plate assemblies
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You may need to rotate the 3030 t-nuts to insert the 3030 extrusion
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Measure from the underside of the rear extrusion, to the top of the newly installed extrusion. It should measure either 230mm (for a V-Core 3 200) or 280mm (for a V-Core 300, 400 or 500)
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Ensure the extrusion is fully inserted before continuting
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Tighten the six marked M6x12 screws to secure the 3030 extrusion to the frame
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T-Shape plate assembly from Step 2
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Position the T-shape plates as shown
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Secure the T-shape plates to the frame by fastening the five M6x12 screws
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M6x12 Cap Head Screw
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Loosen all of the M6x12 screws and remove both corner plate assemblies
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Loosen but do not remove the marked M6x12 screws
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Pull the rear left 3030 extrusion upwards to remove it from the machine frame
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Insert the 760mm 3030 extrusion into the bottom corner plate assemblies
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You may need to rotate the 3030 t-nuts to insert the 3030 extrusion
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Measure from the underside of the rear extrusion, to the top of the newly installed extrusion. It should measure either 230mm (for a V-Core 3 200) or 280mm (for a V-Core 300, 400 or 500)
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Tighten the six marked M6x12 screws to secure the 3030 extrusion to the frame
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T-Shape plate assembly from Step 2
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Position the T-shape plates as shown
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Secure the T-shape plates to the frame by fastening the five M6x12 screws
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Print bed assembly
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Lift the print bed assembly off of the bed arms and set it on the base panel (if installed), or the surface the printer sits on
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To lower the bed arms, you can manually rotate the leadscrews counter-clockwise
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8x M6x12 Cap Head Screw
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8x 3030 Drop-in T-Nut - M6
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2x M5x45 Cap Head Screw
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4x idler_plate_enclosure_2.0 plate
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2x y_min_bumper printed part
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2x M5 Nylon Locking Hex Nut
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