00. Compact CNC Electronics Enclosure

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

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

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!

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!

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

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

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

1x compact_cnc_rear_cooling_panel

4x Self tapping screw - fan - 12mm

1x 50mm fan grille

1x 50x15mm 24V fan

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

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

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

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

1x compact_cnc_top_panel

1x IPEX to SMA female WiFi pigtail

1x SMA 2.4GHz Wifi antenna

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

1x Weho LRS-250-24 fanless PSU

4x M4x6 cap head screw

2x PSU mount assemblies from Step 7

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

2x Rodent mount assemblies from Step 6

1x BIGTREETECH Rodent CNC Controller

4x M3x6 cap head screw

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

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

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

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

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

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

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

1x PSU assembly from Step 16

1x Rodent CNC controller assembly from Step 18

4x M3x8 button head screw

4x M3x20 button head screw

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

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

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

4x Rubber foot with metal insert

4x M6x16 cap head screw

4x M6 locking hex nut

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

4x M6x12 cap head screw

4x T-nut drop-in for 4040 - M6

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.

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

1x compact_cnc_cover_panel

4x M3x8 button head screw

1x Enclosure assembly

1x compact_cnc_cover_panel

4x M3x8 button head screw