MiniCube 3D Printer

Description

Hello, this is my design for compact but fast CoreXY 3D printer. # This is work in progress and lot of things will change in future. I am working on big update with open front and different toolhead. # Assembly instructions will be aded later with anounced big update (i hope that this will be before 2021/05/30). Fusion 360 file included is really big mess, because this is my first design in Fusion 360 and i have ben learning on this file. Please take note, that it includes outdated parts and some parts not used in this build. Refer to included images and STL files, they are most actual. Build volume of this printer is 149x140x135mm. Main body of printer has size 265x265x265mm. Maximum size including extruder, filament spool and bowden is 265x340x350mm. This is not an easy build, because there is involved lot of cutting, filing, drilling and other fabrication methods. Main body is built from 20x10x2mm aluminium L profiles (roughly 4 000mm needed), 1mm steel sheets (1x 265x265mm, 2x 110x220mm) for main body covers and 2mm steel sheet for heated bed assembly and x linear rail holder (1x 170x180mm, 1x 440x40mm 1x 250x40mm. Plastic parts should be printed from ABS. Use your common sense with placing on bed and using supports. In Hotend MUST be installed titanium heatbreak, because hotend has non-optimal position to cooling fan using steel or PTFE lined heatbreak can lead to heat creep. Titanium has roughly 3x lower heat conductivity than steel. With titanium heatbreak i am able to print PLA with 0.2mm airbrush nozzle without any problems. Electronics 1x Bigtreetech SKR 1.3 mainboard 4x TMC 2208 Stepper driver 1x BTT TFT24 or BTT Mini12864 display 1x Mean Well LRS-150-12 Power supply 1x SSR Relay 8A - Hoymk SSR-D3808HK 1x 16mm anti-vandal power momentary switch - 110/220V variant 1x IEC 320 C14 Power inlet 1x Arduino 1channel relay with mounting holes 2x Optical endstop 1X LJ-8-A3-2-Z/BX-5V or PINDA probe Movement 5x MGN9 200mm linear rail 3X NEMA 17 34mm 1,8° Stepper motor 1x NEMA 17 23mm 1,8° Stepper motor 2x 16T stepper pulley (5mm ID) 4x 20T smooth bearing pulley (3mm ID) 8x 20T teeth bearing pulley (3mm ID) 2m Gates GT2 belt 1x 200mm TR8 8mm lead screw with nut 1X KFL08 Bearing 1X 5x8mm Flexible coupling Extruder and fans 1x BMG extruder OR Orbiter extruder v1 1x E3D V6 hotend 12V 1X Titanium heatbreak for E3D V6 (NEEDED PART) 2x Noctua NF A4x10 12V FLX 1x 4010 blower fan 12V 500mm PTFE tube 2mm ID, 4mm OD (or Capricorn PTFE) Heaters 1x 12V E3D V6 40W heater (if not included) 1x 110/220V AC Silicone heater pad 150x150mm (100-200W) 1x NTC100K B3950 glass thermostor for silicone heater (if not included) 1x 104NT-4-R025H42G thermostor cartridge for hotend (if not included) 1x ENERGETIC 150x150mm spring steel PEI buildplate with magnetic sticker 1x 150x150mm self-adhesive heat insulation cotton Filament holder 2x 608ZZ bearing 1x M8x60 screw (DIN 933, head for 13mm spanner) 1x M8 washer 3x M8 nut 1x M3x35 screw 1x M3 nyloc nut Screws, nuts, other hardware (aproximate number) 100x M3x8 20x M3x10 10x M3x12 10x M3x15 10x M3x20 30x M3x30 100x M3 hexagonalnut 50x M3x5x5 brass heatset insert 150x M3 washer 3x heatbed spring Other 4x rubber feet (for 3mm screw) Wires and connectors (aproximate length) 4x 4 pin stepper wire 30cm 1X 4 pin Stepper wire 70cm (For Orbiter only) 3x 3 pin endstop wire 40cm 1X 3 wire AC cable 150cm 1x JST-XH 2.54mm Pitch Connector Kit (2-5 pin) 1x heat shrink tubes kit 1x 3pin screw terminal (for AC bed connection) 10x FASTON female 6,3mm crimp connector 10x FASTON female 2,8mm crimp connector 5x M4 ring cable lug 5x M5 ring cable lug 50x Ferrule (various size) for wire terminals 1m spiral wire wrap Needed tools 1x SN-01BM crimp tool (for JST connectors) 1x SN-48B crimp tool (for FASTON and cable lugs) 1x HSP 80132 - RC Wheel Nut Wrench, 4 / 5 / 5.5 / 7mm Metal saw Hand drill and drill bits Metal files Soldering iron Set of long HEX screwdrivers (1.5/ 2.0/ 2.5/ 3.0 mm) Set of small wrenches ( 5 / 5.5 / 7mm )

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