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LATHE "THE SIMPLE" r2.0 POWERED BY WASHING MACHINE BLDC MOTOR

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PDF, STL, and ZIP Folder details Close
  • CNC_KIT.zip
    • 3buttons.zip
    • files/CNC_chain_support.stl
    • files/CNC_electricbox_support_2x.stl
    • files/CNC_electric_box_back.stl
    • files/CNC_electric_box_front.stl
    • files/CNC_tools_support.stl
    • files/CNC_X_axis_cariage_back.stl
    • files/CNC_X_axis_cariage_front.stl
    • files/CNC_X_axis_endstop_cover.stl
    • files/CNC_X_axis_gear_box.stl
    • files/CNC_Z_axis_endstop_cover.stl
    • files/CNC_Z_axis_gear_box.stl
    • files/cover_CNC_Z_axis_gear_box.stl
    • files/F3D/CNC_chain_support.f3d
    • files/F3D/CNC_electricbox_support_2x.f3d
    • files/F3D/CNC_electric_box_back.f3d
    • files/F3D/CNC_electronic_box_front.f3d
    • files/F3D/CNC_tools_support.f3d
    • files/F3D/CNC_X_axis_cariage_back.f3d
    • files/F3D/CNC_X_axis_cariage_front.f3d
    • files/F3D/CNC_X_axis_endstop_cover.f3d
    • files/F3D/CNC_X_axis_gear_box.f3d
    • files/F3D/CNC_Z_axis_endstop_cover.f3d
    • files/F3D/CNC_Z_axis_gear_box.f3d
    • files/F3D/cover_CNC_Z_axis_gear_box.f3d
    • files/instructions.txt
    • files/STEP/CNC_chain_support.STP
    • files/STEP/CNC_electronic_box_front.STP
    • files/STEP/CNC_tools_support.STP
    • files/STEP/CNC_X_axis_cariage_back.STP
    • files/STEP/CNC_X_axis_cariage_front.STP
    • files/STEP/CNC_X_axis_endstop_cover.STP
    • files/STEP/CNC_X_axis_gear_box.STP
    • files/STEP/CNC_Z_axis_endstop_cover.STP
    • files/STEP/CNC_Z_axis_gear_box.STP
    • files/STEP/cover_CNC_Z_axis_gear_box.STP
    • Marlin.zip
  • LCD_GRBL_MEGA_2AXES.zip
    • LCD_GRBL_MEGA_2AXES/LCD_GRBL_MEGA_2AXES.ino
    • grbl/config.h
    • grbl/coolant_control.c
    • grbl/coolant_control.h
    • grbl/cpu_map.h
    • grbl/defaults.h
    • grbl/eeprom.c
    • grbl/eeprom.h
    • grbl/examples/grblUpload/grblUpload.ino
    • grbl/examples/grblUpload/license.txt
    • grbl/examples/grblWrite_BuildInfo/grblWrite_BuildInfo.ino
    • grbl/examples/grblWrite_BuildInfo/license.txt
    • grbl/gcode.c
    • grbl/gcode.h
    • grbl/grbl.h
    • grbl/jog.c
    • grbl/jog.h
    • grbl/limits.c
    • grbl/limits.h
    • grbl/main.c
    • grbl/motion_control.c
    • grbl/motion_control.h
    • grbl/nuts_bolts.c
    • grbl/nuts_bolts.h
    • grbl/planner.c
    • grbl/planner.h
    • grbl/print.c
    • grbl/print.h
    • grbl/probe.c
    • grbl/probe.h
    • grbl/protocol.c
    • grbl/protocol.h
    • grbl/report.c
    • grbl/report.h
    • grbl/serial.c
    • grbl/serial.h
    • grbl/settings.c
    • grbl/settings.h
    • grbl/spindle_control.c
    • grbl/spindle_control.h
    • grbl/stepper.c
    • grbl/stepper.h
    • grbl/system.c
    • grbl/system.h
  • MANUAL_F3D.zip
    • cover_X_axis_gear_box.f3d
    • cover_Z_axis_gear_box.f3d
    • knob_10mm_bore.f3d
    • knob_8mm_bore_2x.f3d
    • knob_handle_3x.f3d
    • motor_support_BLOCK_4X.f3d
    • tailstock_carriage_2x.f3d
    • tailstock_chuck_support.f3d
    • tailstock_lock_knob_2x.f3d
    • tool_tower_carriage_base.f3d
    • tool_tower_top.f3d
    • X_axis_cariage_back.f3d
    • X_axis_cariage_front.f3d
    • X_axis_carriage_base.f3d
    • X_axis_gear_box.f3d
    • Z_axis_gear_box.f3d
    • Z_axis_gear_box_bearing_cover.f3d
    • Z_axis_gear_box_cover.f3d
    • Z_axis_lead_screw_back_left_support.f3d
    • Z_axis_lead_screw_right_support_2x.f3d
  • MANUAL_STEP.zip
    • cover_X_axis_gear_box.STP
    • cover_Z_axis_gear_box.STP
    • electricbox_support_2x.STP
    • electric_box_back.STP
    • electric_box_front.STP
    • knob_10mm_bore.STP
    • knob_8mm_bore_2x.STP
    • knob_handle_3x.STP
    • motor_support_BLOCK_4X.STP
    • tailstock_carriage_2x.STP
    • tailstock_chuck_support.STP
    • tailstock_lock_knob_2x.STP
    • tool_tower_carriage_base.STP
    • tool_tower_top.STP
    • X_axis_cariage_back.STP
    • X_axis_cariage_front.STP
    • X_axis_carriage_base.STP
    • X_axis_gear_box.STP
    • Z_axis_gear_box.STP
    • Z_axis_gear_box_bearing_cover.STP
    • Z_axis_gear_box_cover.STP
    • Z_axis_lead_screw_back_left_support.STP
    • Z_axis_lead_screw_right_support_2x.STP
  • ROTATE.zip
    • rotating_turret_base.stl
    • rotating_turret_lock.stl
    • rotating_turret_support.stl
    • CNC_rotating_turret_base.stl
    • STEP.zip
    • F3D.zip
  • VFD ASKPOWER A131 UserGuide.pdf
  • X_axis_cariage_back.stl
  • X_axis_cariage_front.stl
  • X_axis_carriage_base.stl
  • X_axis_gear_box.stl
  • X_carriage_exploded_view.stl
  • Z_axis_carriage_base_2x.stl
  • Z_axis_gear_box.stl
  • Z_axis_gear_box_bearing_cover.stl
  • Z_axis_gear_box_cover.stl
  • Z_axis_lead_screw_back_left_support.stl
  • Z_axis_lead_screw_right_support_2x.stl
  • Z_axis_lead_screw_right_support_3x.stl
  • cover_X_axis_gear_box.stl
  • cover_Z_axis_gear_box.stl
  • electric_box_back.stl
  • electric_box_front.stl
  • electricbox_support_2x.stl
  • exploded_views.zip
    • driving_belt_exploded_view.stl
    • motor_support_exploded_view.stl
    • tailstock_carriage_exploded_view.stl
    • X_carriage_exploded_view.stl
    • Z_axis_gear_box_exploded_view.stl
  • foot_4x.stl
  • knob_10mm_bore.stl
  • knob_8mm_bore_2x.stl
  • knob_handle_3x.stl
  • motor_support_BLOCK_4X.stl
  • tailstock_carriage_2x.stl
  • tailstock_chuck_support.stl
  • tailstock_lock_knob_2x.stl
  • tool_tower_carriage_base.stl
  • tool_tower_top.stl

Learn more about the formats
Last update 2022-07-25 at 11:00
Publication date 2022-07-04 at 08:50
Design number 772900
francescangelif

francescangelif

Template info

3D model description

Well, this is the r2.0 version of my lathe, only handly driven, but easely portable to CNC.

  • Into provided CNC.ZIP you'll find all items needed to build the CNC version.
  • Items in STEP and F3D format are provided for both versions.

As usual, buyers can request the link to the whole project at Tinkercad.com.

First alignment video here: https://youtu.be/TfO16oEG1MU
Second video with CNC wotking here: https://youtu.be/YZiykR4ji8k
Third video here: https://youtu.be/6G-Da1S9fOc
Fourth video (cold CNC test) here: https://youtu.be/pcWi-et-hy8

UPDATES

2022-07-05
- For brave hearts only; added a experimental rotating turret, 360° in 22.5° self-locking steps. All necessary items and instructions in ROTATE.ZIP.
2022-07-10
- uploaded 3BUTTONS.ZIP with Arduino UNO sketch to drive the Z stepper manually via 3 buttons.
2022-07-13
- uploaded Z_AXIS_CARRIAGE_BASE.STL, aimed to reinforce carriage robustness
2022-07-16
- uploaded brand new software LCD_GRBL_MEGA_2AXES.ZIP implementing LCD 2004 and SD card (see fourth video above).
Thanks to Carlos Guerrero https://github.com/cguerrero1205/LCD_GRBL
and Bart Venneker https://github.com/bvenneker/Arduino-GCode-Sender
for their wonderful work!

As previous version, it uses an easy to get motor from faulty washing machines; at today they're almost all BLDC (Brush Less Direct Current) equipped, very similar as concept to the stepper motor we're used to.
The motor I use is an Ignis WM (Nideco motor) and needs 195VDC at 310Hz for max power and speed, but it can be driven with a lower frequency (less speed and without almost any loss of its 600W power); I opted for an VFD 220V 0-400Hz 1,5KW and 50Hz seems to be good choice for speed.
Furthermore it features wonderful bearings, engineered for big radial charge, perfectly balanced rotor and, last but not least, a very quit operation.
If you however don't like BLCD motors, you can always a motor of your choice and provide it with adequate suppports and driving method.

This lathe features:
- main carriage knob to intuitive movements, 2.5:1
- reinforced and dust protected tool carriage with C-Beam profile, two sides driven
- continuously variable speed via a cheap VFD BLDC controller
- fixed tools turret with two insertion sides, 0° and 90°
- optional rotating turret 360° in 60° clicking steps
- tailstock carriage sliding with manual action, lockable in place
- can accomodate also every printed 80mm chuck
- max workable length 500 mm (with tailstock, of course...)
- very few printed items
NEW
- LCD2004 and SD card to work from files or manually move the axes (n. 1 Arduino Mega, encoder KY-040 and Arduino MicroSD card adapter)

Exploded views STL included.

I hope you like this too...

INSTRUCTIONS

Motor:
- cut away 10mm from back foots (see red parts in picture above)
- put it exactly at center of profile and place the 4 foots
- move the tailstock close to the chuck and align the chuck center to it
- tight firmly the motor and the four feet screws
- apply the 19-14mm adapter to the motor rotor
- screw in the chuck adapter plate
- with spinning motor ensure that there's absolutely no oscillation
- tight the two 19/14 adapter grubs enough to let a mark on the rotor
- remove the adapter from motor and with a 4.5mm drill bit make a little conical hole 1mm deep to each mark on the rotor, to fit the grub points
- apply again the adapter and tight well the grubs
- check again with spinning motor that there's absolutely no oscillation and eventually correct

CNC

Manual operation:
It's only necessary cut off the power to the controlling board...

Firmware:
brand new based on GRBL 1,1h, implements LCD 2004 and SD card wich lets you work directly from SD or manually move axes.

BOM

Electronics:
manual version
- n. 1 washing machine BLDC motor
- n. 1 button self-locking switch
- n. 1 safety switch
- n. 1 cheap VDF 1.5KW 3 phase controller
- n. 1 SSR relay in 220/380 out 220/380
- n. 1 10KOhm linear 10 turns potentiometer
CNC version
- n. 1 washing machine BLDC motor
- n. 1 button self-locking switch
- n. 1 safety switch
- n. 1 cheap VDF 1.5KW 3 phase controller
- n. 1 SSR relay in 220/380 out 220/380
- n. 1 I2C LCD 2004 display
- n. 1 Arduino Mega 2560 board
- n. 1 Arduino Uno board
- n. 1 Arduino Uno CNC shield
- n. 1 Arduino MicroSD module
- n. 1 KY-040 encoder
- n. 1 ON-OFF switch
- n. 2 Nema23 steppers
- n. 1 12VDC20A power supply
- n. 1 40mm fan 12VDC
- n. 2 hall proximity sensors
- n. 2 8x3mm Neodymium magnets
- n. 1 10KOhm linear 10 turns potentiometer

Mechanics:
- n. 1 K11-80 chuck
- n. 1 14mm base for K11-80
- n. 1 19mm to 14mm adapter for above chuck
- n. 1 Makita 9523 gears set, very cheap
- n. 4 Bevel gears 1.5 Modulus 20 teeth 8mm bore

Body:
- n. 1 C-Beam profile 4080 308mm
- n. 2 profiles 2080 230mm
- n. 1 profiles 2060 230mm
- n. 2 profiles 2060 70mm
- n. 2 profiles 2040 1000mm
- n. 2 profiles 2040 175mm
- n. 2 profiles 2020 807mm

Bearings:
- n. 13 608ZZ bearings
- n. 2 F6900ZZ bearings
- n. 11 M5 spacer 6mm

T8:
- n. 1 T8-2 leadscrew 770mm
- n. 1 T8-2 leadscrew 580mm
- n. 1 T8-2 leadscrew 350mm
- n. 4 T8-2 round nuts
- n. 1 T8-2 T type Opensource anti-backlash nut

Rods and bars:
- n. 1 M10x135mm threaded rod
- n. 2 rod 8x65mm
- n. 2 rod 8x45mm

Wheels:
- n. 1 threaded hex coupler M10x32mm
- n. 28 24mm Delrin wheels
- n. 14 5mm eccentric nuts

MISCELLANEOUS
- n. 1 safety switch
- n. 1 T2 loop belt 810mm
- n. 2 T2 belt timing 60 teeth 44mm OD 8mm bore
- n. 2 no teeth pulleys 5mm bore
- n. 1 5 to 8mm flexible coupler
- n. 1 10mm socket drill chuck
- n. 31 90 degrees profile locks
- n. 8 8mm collar locks
- n. 1 M10 nut
- M5 flat head screws screws
- M5 nyloc nuts
- t-nuts

Manufacturing settings

  • PLA or stronger material
  • infill 35%

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