¶ Introduction
[video|https://youtu.be/_kuzqB8I_Ww]
¶ Step 1 - Prepare the EVA parts - Front & Back
- universal_face & back_cartesian printed parts
- cartesian_cable_fin printed part
- 13x M3 Hex Nut
- 2x M3x30 Cap Head Screw
- 1x M3x25 Cap Head Screw
- 1x M3x12 Cap Head Screw
- 600mm 2GT 6mm Wide Timing Belt
- 1x 24v 5015 Blower Fan
¶ Step 2 - Assemble the EVA front
- universal_face printed part
- M3 Hex Nut
- Install an M3 hex nut into each of the five positions shown
- Set this assembly aside until Step 21
¶ Step 3 - Assemble the EVA back - Part 1
- back_cartesian printed part
- M3 Hex Nut
- Install an M3 hex nut into each of the three positions shown
- 600mm 2GT 6mm Wide Timing Belt
- Install one end of the timing belt into the printed part as shown
¶ Step 4 - Assemble the EVA back - Part 2
- Assembly from Step 3
- M3 Hex Nut
- Install an M3 hex nut into each of the four positions shown
¶ Step 5 - Assemble the EVA back - Part 3
- Assembly from Step 4
- cartesian_cable_fin printed part
- M3x30 Cap Head Screw
- M3x12 Cap Head Screw
- Take care not to over tighten the M3 screws as you can damage the printed parts
¶ Step 6 - Assemble the EVA back - Part 4
- Assembly from Step 5
- 24v 5015 Blower Fan
- Install the 5015 fan into the cartesian_back printed part as shown
- M3x25 Cap Head Screw
- M3 Hex Nut
- Secure the fan in place by fitting the M3x25 screw and M3 hex nut as shown
- Take care not to over tighten the M3x25 screw as you can damage the printed part
- Set this assembly aside until Step 22
¶ Step 7 - Prepare the EVA hotend parts
- bmo_face printed part
- 1x Assembled Pheatus Dragonfly BMO hot end
- Refer to the documentation supplied with the hot end for instructions on assembly
- LJ8_probe_mount_8mm printed part
- 4x M3 Hex Nut
- 2x M3x8 Cap Head Screw
- 4x M2.5x8 Cap Head Screw
- These screws are provided with the Pheatus Dragonfly BMO hot end
¶ Step 8 - Assemble the EVA hot end mount - Part 1
- bmo_face printed part
- M3 Hex Nut
- Install an M3 hex nut into each of the two positions shown
- M3 Hex Nut
- Install an M3 hex nut into each of the two positions shown
¶ Step 9 - Assemble the EVA hot end mount - Part 2
- Assembly from Step 8
- M2.5x8 Cap Head Screw
- Assembled Pheatus Dragonfly BMO hot end
- Secure the Pheatus Dragonfly BMO hot end to the printed part using the M2.5x8 screws
- Take care not to over tighten the M2.5x8 screws as you can damage the printed parts or the threads in the hot end heatsink
¶ Step 10 - Assemble the EVA hot end mount - Part 3
- Assembly from Step 9
- LJ8_probe_mount_8mm printed part
- M3x8 Cap Head Screw
- Loosely thread the M3x8 screws into the M3 nuts. Do not tighten them at this point
- Set this assembly aside until Step 26
¶ Step 11 - Prepare the EVA top parts
- 1x Limit Switch
- 1x M3 Hex Nut
- 3x M3 Square Nut (Included with the Bondtech LGX Lite)
- 3x M3x8 Cap Head Screw
- 6x M3x10 Cap Head Screw
- top_endstop_angled printed part
- 1x Bondtech LGX Lite Extruder
- top_mgn12_lgx_lite printed part
¶ Step 12 - Assemble the X-axis end stop
- Limit Switch
- top_endstop_angled printed part
- M3x8 Cap Head Screw
- Secure the limit switch to the printed part using the M3x8 screws
- Take care not to over tighten the M3x8 screws as you can damage the printed part
- M3 Hex Nut
- Insert the M3 hex nut into the underside of the printed part
- Set this assembly aside until Step 18
¶ Step 13 - Adding M3 square nuts to the Bondtech LXG Lite - Part 1
- Bondtech LGX Lite extruder
- Remove the two M3x25 screws holding the Bondtech LGX Lite together
- Carefully remove the face plate from the LGX Lite assembly
¶ Step 14 - Adding M3 square nuts to the Bondtech LXG Lite - Part 2
- M3 Square Nut
- Insert one M3 square nut into each of the marked holes on the LGX Lite
- Re-install the LGX Lite face plate
¶ Step 15 - Adding M3 square nuts to the Bondtech LXG Lite - Part 3
- Bondtech LGX Lite extruder
- Carefully separate the LGX Lite motor and back plate from the assembly as shown
¶ Step 16 - Adding M3 square nuts to the Bondtech LXG Lite - Part 4
- M3 Square Nut
- Insert one M3 square nut into the marked hole on the LGX Lite
- Re-install the LGX Lite back plate and motor
¶ Step 17 - Adding M3 square nuts to the Bondtech LXG Lite - Part 5
- Re-install the two M3x25 screws, these secure the Bondtech LGX Lite together
- Set the LGX Lite aside until Step 19
¶ Step 18 - Install the EVA top & X-axis end stop
- top_mgn12_lgx_lite printed part
- M3x10 Cap Head Screw
- Fasten all four M3x10 screws to secure the EVA top to the MGN12 carriage
- Slide the X-axis left and right along the rail to make sure it moves smoothly
- If the carriage binds at all, slightly loosen the M3x10 screws and check again
- X-axis end stop assembly from Step 12
- M3x8 Cap Head Screw
- Insert the end stop assembly as shown and secure in place with the M3x8 screw
¶ Step 19 - Install the Bondtech LGX Lite
- Bondtech LGX Lite extruder
- M3x10 Cap Head Screw
- M3x8 Cap Head Screw
- Insert the three M3 screws as shown, fasten them to secure the LGX Lite extruder to the EVA top
- Take care not to over tighten the M3 screws as you can damage the printed part
¶ Step 20 - Prepare parts for the EVA assembly
- bottom_mgn12_short_duct printed part
- bmo_support printed part
- 4x M3x35 Cap Head Screw
- 2x M3x25 Cap Head Screw
- 1x M3x6 Cap Head Screw
- 2x M3 Hex Nut
- 1x 53mm PTFE Tube
¶ Step 21 - Install the EVA face
- EVA face assembly from Step 2
- Insert the EVA face into the EVA top as shown
- M3x35 Cap Head Screw
- Insert the M3x35 screws partially to hold the EVA face in place. They will be fully secured in the next step
¶ Step 22 - Install the EVA back
- EVA back assembly from Step 6
- Align the EVA back with the top
- Fully insert and fasten the M3x35 screws, securing the EVA back in place
- Take care not to over tighten the M3x35 screws as you can damage the printed parts
¶ Step 23 - Install the EVA base
- bottom_mgn12_short_duct printed part
- M3x35 Cap Head Screw
- Position the EVA bottom_mgn12_short_duct printed part as shown
- Secure it in place by inserting and fastening the M3x35 screws into the EVA back
- Take care not to over tighten the M3x35 screws as you can damage the printed parts
¶ Step 24 - Secure the Bondtech LGX Lite
- M3x10 Cap Head Screw
- Insert and fasten the two M3x10 screws as shown to securely assemble the LGX Lite and EVA parts
- Take care not to over tighten the M3x10 screws as you can damage the printed parts
¶ Step 25 - Install the EVA hot end support
- bmo_support printed part
- M3 Hex Nut
- Install an M3 hex nut into each of the two positions shown
- M3x6 Cap Head Screw
- Secure the bmo_support part to the EVA face using the M3x6 screw
- Take care not to over tighten the M3x6 screw as you can damage the printed parts
¶ Step 26 - Install the hot end assembly
- PTFE Tube - 53mm
- Hot end assembly from Step 10
- Insert the length of PTFE tube into the hot end assembly as shown
- Rotate the hot end assembly as shown
- Line up the end of the PTFE tube with the hole in the underside of the LGX Lite extruder mount and push the hot end assembly upwards
- Rotate the bottom of the hot end assembly towards the EVA assembly
- When properly lined up, the hot end assembly should rest atop the BMO-support printed part as shown
¶ Step 27 - Secure the hot end assembly
- M3x25 Cap Head Screw
- Insert the M3x25 screws through the hot end assembly fasten them to secure it to the EVA assembly
- Take care not to over tighten the M3x25 screws as you can damage the printed parts
¶ Step 28 - Prepare parts for the EVA assembly
- 1x 40x10 24V Fan
- trihorn_duct printed part
- shroud printed part
- The design of the EVA shroud may vary
- 4x M3x25 Cap Head Screw
- 2x M3x12 Cap Head Screw
- 2x M3 Hex Nut
¶ Step 29 - Install the EVA duct
- trihorn_duct printed part
- M3 Hex Nut
- Insert an M3 hex nut into each of the shown positions on the trihorn_duct
- Position the trihorn_duct as shown
- M3x12 Cap Head Screw
- Insert the M3x12 screws as shown and fasten them to secure the trihorn_duct to the EVA assembly
- Take care not to over tighten the M3x12 screws as you can damage the printed parts
¶ Step 30 - Install the hot end fan and EVA shroud
- 40x10 24V Fan
- shroud printed part
- M3x25 Cap Head Screw
- Insert an M3x25 through each hole in the shroud as shown. Install the 40x10 fan onto the screws and then secure the shroud and fan to the EVA assembly.
- Take care not to over tighten the M3x25 screws as you can damage the printed parts
¶ Step 31 - Prepare the X-axis tensioner parts
- 1x M3x40 Cap Head Screw
- tension_slider_6mm_belt_M3s printed part
- M3 Square Nut
¶ Step 32 - Install the X-axis belt - Part 1
- Take the free end of the X-axis timing belt and feed it around the idler pulley
- Continue along the underside of the X-axis, passing through the hole in the EVA assembly
- Feed it around the X-axis stepper motor pulley...
- ...and continue back to the EVA assembly
- Pull the belt and mark where it meets the EVA assembly. This can be with a marker, or simply by holding it
- Measure 16mm, or count 8 teeth on the belt, from the position marked previously. Double check your measurements and then cut the belt at this point
- The belt can be cut with regular scissors.
- It is better to cut the belt too long than too short! If you are unsure, cut it longer than expected, you can always remove more if needed
¶ Step 33 - Install the X-axis belt - Part 2
- tension_slider_6mm_belt_M3s printed part
- M3 Square Nut
- Insert the M3 square nut into the end of the tension_slider printed part as shown
- Cut end of 2GT 6mm timing belt
- Insert the end of the belt into the printed part as shown
- M3x40 Cap Head Screw
- Insert the M3x40 screw into the EVA assembly as shown. This will be used to tension the belt in the next step
¶ Step 34 - Install the X-axis belt - Part 3
- M3x40 Cap Head Screw
- Fully insert the M3x40 screw as shown
- Insert the tension_slider assembly into the EVA assembly as shown and secure by tightening the M3x40 screw
- You can now adjust the tension of the X-axis belt:
- Tighten the M3x40 screw to increase belt tension
- Loosen the M3x40 screw to decrease belt tension
¶ Step 35 - Align the X-axis motor drive pulley
- Slowly move the completed EVA assembly along the X-axis a few times. This will allow the pulley on the stepper motor to align itself
- Secure the pulley to the stepper motor shaft by tightening both grub screws as shown
¶ Step 36 - Install the Z-axis probe
- 8mm Inductive Probe
- Insert the probe as shown
- Position the probe so that its tip is 1-2mm above the height of the nozzle
- Secure the probe in place by tightening the two M3x8 screws
¶ Step 37 - Next guide
- Continue with the next guide: 08. Electronics Enclosure