¶ Step 1 - Recommended Tools
- It is recommended to have the following tools available for assembling the Compact CNC Electronics Enclosure:
- Allen Key / Hex Wrenches in the following sizes: 2mm, 3mm & 5mm
- Wire cutters & a wire stripper
- Crimping tool (JST-XH, Molex-Micro fit and 18-14AWG Fork + Spade terminals)
- Cross slot / phillips and flat screwdrivers
- Soldering Iron with an M3 heat insert tip
¶ Step 2 - Prepare the printed parts
- The following printed parts need preparation:
- 4x compact_cnc_electronics_corner printed part
- 2x compact_cnc_electronics_btt_rodent printed part
- 2x compact_cnc_electronics_psu printed part
- This part also has sacrificial layers which need to be cleared
- 36x M3 heat insert
¶ Step 3 - Installing a heat insert - Part 1
- These steps show how to install an M3 heat insert into the printed parts
- M3 heat insert
- Soldering iron with M3 heat insert tip
- Align the soldering iron tip with the heat insert
- Be careful not to burn yourself!
¶ Step 4 - Installing a heat insert - Part 2
- Slowly press the heat insert into the printed part
- Ensure the heat insert is flush with the printed part, or even a little below the surface
- Avoid having a heat insert higher than the printed part, this can cause assembly issues
- Remove the soldering iron
- Be careful not to burn yourself!
¶ Step 5 - Prepare the corner printed parts (4x)
- compact_cnc_electronics_corner printed part
- M3 heat insert
- Install the M3 heat inserts into the indicated holes
- Repeat for all 4 compact_cnc_electronics_corner printed parts
- Set these assemblies aside until Step 19
¶ Step 6 - Prepare the Rodent CNC controller mount printed parts
- compact_cnc_electronics_btt_rodent printed part
- M3 heat insert
- Install the M3 heat inserts into the indicated holes
- Set these assemblies aside until Step 17
¶ Step 7 - Prepare the PSU mount printed parts (2x)
- compact_cnc_electronics_psu printed part
- M3 heat insert
- Install the M3 heat inserts into the indicated holes
- Repeat for both compact_cnc_electronics_psu printed parts
- Set these assemblies aside until Step 15
¶ Step 8 - Prepare the cooling panel parts
- 1x compact_cnc_rear_cooling_panel
- 4x Self tapping screw - fan - 12mm
- 1x 50mm fan grille
- 1x 50x15mm 24V fan
¶ Step 9 - Assemble the cooling panel
- 1x 50mm fan grille
- 1x compact_cnc_rear_cooling_panel
- 1x 50x15mm 24V fan
- 4x Self tapping screw - fan - 12mm
- Insert the screws through the fan grille, through the panel, and then thread them into the fan body
- Set this panel assembly aside until Step 19
¶ Step 10 - Prepare the left panel parts
- 1x compact_cnc_left_panel
- 1x Switchable & fused IEC inlet
- 2x M3x12 Countersink screw
- 2x M3 locking hex nut
- 1x compact_cnc_electronics_panel_collar printed part
- 1x compact_cnc_electronics_panel_collar_nut printed part
¶ Step 11 - Assemble the left panel - Part 1
- 1x compact_cnc_left_panel
- 1x Switchable & fused IEC inlet
- Insert the IEC inlet into the panel as shown
- 2x M3x12 Countersink screw
- 2x M3 locking hex nut
- Tighten the M3 screws to secure the IEC inlet to the panel
¶ Step 12 - Assemble the left panel - Part 2
- 1x compact_cnc_electronics_panel_collar printed part
- 1x compact_cnc_electronics_panel_collar_nut printed part
- Do not overtighten the printed nut as you can damage the printed parts
- Set this panel assembly aside until Step 19
¶ Step 13 - Prepare the top panel parts
- 1x compact_cnc_top_panel
- 1x IPEX to SMA female WiFi pigtail
- 1x SMA 2.4GHz Wifi antenna
¶ Step 14 - Assemble the top panel
- 1x compact_cnc_top_panel
- 1x IPEX to SMA female WiFi pigtail
- Remove the marked nut from the WiFi pigtail, then insert the pigtail into the panel
- 1x SMA 2.4GHz Wifi antenna
- Secure the WiFi pigtail to the panel by reinstalling the nut
- Screw the WiFi antenna onto the WiFi pigtail
- Set this panel assembly aside until Step 19
¶ Step 15 - Prepare the PSU parts
- 1x Weho LRS-250-24 fanless PSU
- 4x M4x6 cap head screw
- 2x PSU mount assemblies from Step 7
¶ Step 16 - Assemble the PSU
- 1x Weho LRS-250-24 fanless PSU
- 2x PSU mount assemblies
- 4x M4x6 cap head screw
- Align the PSU mounts with the holes on the PSU. Secure them to the PSU using the M4x6 cap head screws
- Take care not to over-tighten the screws as you can damage the printed parts
- Set the PSU assembly aside until Step 25
¶ Step 17 - Prepare the Rodent CNC controller parts
- 2x Rodent mount assemblies from Step 6
- 1x BIGTREETECH Rodent CNC Controller
- 4x M3x6 cap head screw
¶ Step 18 - Assemble the Rodent CNC controller & mount
- 2x Rodent mount assemblies
- 1x BIGTREETECH Rodent CNC controller
- 4x M3x6 cap head screw
- Align the Rodent CNC controller with the holes on the mounts. Secure the controller to the mounts using the M3x6 cap head screws
- Take care not to over-tighten the screws as you can damage the printed parts or the controller
- Set the controller assembly aside until Step 25
¶ Step 19 - Prepare the enclosure parts
- 1x Top panel assembly from Step 14
- 1x Cooling panel assembly from Step 9
- 1x Left panel assembly from Step 12
- 1x compact_cnc_right_panel
- 1x compact_cnc_bottom_panel
- 4x Corner assembly from Step 5
- 16x M3x8 button head screw
- 4x M3x6 countersunk screw
¶ Step 20 - Assemble the enclosure - Part 1
- 1x compact_cnc_bottom_panel
- 4x Corner assembly
- 4x M3x6 countersunk screw
- Align each corner assembly with the bottom panel, secure them together with an M3x6 countersunk screw
- Take care not to over-tighten the screws as you can damage the printed parts
¶ Step 21 - Assemble the enclosure - Part 2
- 1x Enclosure assembly from the previous step
- Ensure the assembly is oriented as shown. Pay attention to the marked holes to help orient it correctly
- 1x Left panel assembly
- 4x M3x8 button head screw
- Take care not to over-tighten the screws as you can damage the printed parts
¶ Step 22 - Assemble the enclosure - Part 3
- 1x Enclosure assembly from the previous step
- 1x compact_cnc_right_panel
- 4x M3x8 button head screw
- Take care not to over-tighten the screws as you can damage the printed parts
¶ Step 23 - Assemble the enclosure - Part 4
- 1x Enclosure assembly from the previous step
- 1x Cooling panel assembly
- 4x M3x8 button head screw
- Take care not to over-tighten the screws as you can damage the printed parts
¶ Step 24 - Assemble the enclosure - Part 5
- 1x Enclosure assembly from the previous step
- 1x Top panel assembly
- 4x M3x8 button head screw
- Take care not to over-tighten the screws as you can damage the printed parts
¶ Step 25 - Prepare the electronics
- 1x PSU assembly from Step 16
- 1x Rodent CNC controller assembly from Step 18
- 4x M3x8 button head screw
- 4x M3x20 button head screw
¶ Step 26 - Install the PSU assembly
- 1x Enclosure assembly
- 1x PSU assembly
- Align the holes in the PSU mounts with the holes in the bottom panel
- 4x M3x8 button head screw
- Take care not to over-tighten the screws as you can damage the printed parts
¶ Step 27 - Install the Rodent CNC controller assembly
- 1x Enclosure assembly
- 1x Rodent CNC controller assembly
- Align the Rodent CNC controller assembly with the holes in the side panels
- 4x M3x20 button head screw
- Take care not to over-tighten the screws as you can damage the printed parts
¶ Step 28 - Standalone vs Mounted
- The compact CNC electronics enclosure supports two mounting options:
- 1. Standalone
- The electronics enclosure can be assembled with rubber feet, allowing it to sit next to the machine it controls
- Proceed to Step 29 for standalone assembly instructions
- 2. Mounted to the Rat Rig Mill
- The electronics enclosure can be mounted directly to the back of the Rat Rig Mill
- Proceed to Step 31 for instructions on mounting to the Rat Rig Mill
¶ Step 29 - Prepare the standalone feet parts
- 4x Rubber foot with metal insert
- 4x M6x16 cap head screw
- 4x M6 locking hex nut
¶ Step 30 - Install the standalone feet
- 1x Enclosure assembly
- 4x Rubber foot with metal insert
- 4x M6x16 cap head screw
- Insert an M6x16 cap head screw into each foot and through hole in the base panel
- 4x M6 locking hex nut
- Proceed to Step 34 for the final steps
¶ Step 31 - Prepare the Rat Rig Mill mounting parts
- 4x M6x12 cap head screw
- 4x T-nut drop-in for 4040 - M6
¶ Step 32 - Install the Rat Rig Mill mounting hardware
- 1x Enclosure assembly
- 4x M6x12 cap head screw
- 4x T-nut drop-in for 4040 - M6
- Loosely thread a 4040 T-Nut on to each M6x12 screw. Do not tighten them at this point.
¶ Step 33 - Installation on to the Rat Rig Mill
- 1x Enclosure assembly
- 1x Rat Rig Mill
- Align the electronics enclosure with the back of the Rat Rig Mill as shown
- Tighten all 4x M6x12 cap head screws to secure the electronics enclosure to the Rat Rig Mill
- Proceed to Step 34 for the final steps
¶ Step 34 - Prepare the enclosure cover parts
- 1x compact_cnc_cover_panel
- 4x M3x8 button head screw
¶ Step 35 - Install the cover panel
- 1x Enclosure assembly
- 1x compact_cnc_cover_panel
- 4x M3x8 button head screw