DIY Coil Winder ( 38awg , 0.1007mm Wire )

I made a lot of improvements to my coil winder, version 2.0 is finally ready. I made hardware and software improvements to my coil winder. I also made a timelapse video of winding coil. The coil was wound without interruptions, once I gave the command from my computer I did not interfere with it in any way. It was complete success. I used 38AWG ( 0.1007mm ) wire.

Please do let me know in the comments if I missed something from parts list, or you need new features, etc.

Most of these things can be bought in a kit.

1x T8 Lead Screw ( choose whatever length you are planning to build, mine was 600mm)

2x 8mm Linear Motion Rod Shaft

3x Linear Slide Blocks SCS8UU (don't use 4, even though kit might come with 4)

1x Lead Screw nut

1x Lead Screw nut block (see image)

2x Lead screw bearings KP08 (see image)

15x 608zz bearings

1x 400mm belt

1x 110mm belt

1x 300mm belt

5x 20 tooth GT2 timing pulley

3x Stepper Motors (1.7A)

3x Stepper Motor mounting brackets

1x Arduino Uno

1x CNC shield

2x DRV8825 drivers (you only need two, one stepper is left unconnected)

1x 12V 9A power supply

1x 5/16" (7.9mm) threaded rod (make sure its straight, I just checked them at hardware store by rolling them on floor)

Other tools / items:

3D printer

M3 screws and nuts (buy a assortment kit)

M4 screws and nuts (buy a assortment kit)

small box of wood screws (they should not puncture out of your wood planks)

one wood plank (mine was 17mm thick, 370mm x 740mm)

drill

some zip times

Code, 3d models, etc.

https://github.com/MrSimranjitSingh/Coil_Winder

Cut the wood plank according to size I provided in image (or according to your size of components you are using). Make the holes with a drill. Dimensions in above image is in cm.

Print all your 3d prints. I used PLA, 40% infill is more than enough. Use the wood screws to secure them on wood plank.

Mount power supply, Arduino uno, CNC shield

Mount stepper motors on 3d prints. Connect them with CNC shield. Put the enable jumper on CNC shield.

Put all 3 jumpers (M0, M1, M2) for each stepper driver. Connect DRV8825 drivers.

Program your Arduino with provided code.

Connect power to power supply.

Everything is controlled via Serial Monitor. You will be presented with options. Choose the option to your liking.

1) Wind coil

2) Wind inductor

3) Wind slotted Coil

4) Move head (mm)

5) Move head (steps)

6) Rotate Coil

7) Unmind coil

You can enter a number (for example: 200) when coil winding is in process to change speed.

After you have finished winding coil, break wire from wire-guide and then tape that end of wire to threaded rod. Select "Rotate coil" option. This will only rotate coil. Now you can apply varnish to protect coil and give finishing touches.

Keep these two bolts (see image above) of Y-axis loose. Do not completely tighten them.

After you are finished mounting everything, run the Y-axis wire-guide back and forth for the whole length to make sure its not binding. You can rotate Y-axis with hand to get better feel of it.