GRBL Based Coil Winder From Water Pipe
Introduction: GRBL Based Coil Winder From Water Pipe
When I was working on the Toy Magnetic Levitation project with a solenoid coil, I thought to myself, why didn't I make a coil winder. So I took my times to build a simple coil winder based on GRBL firmware and it was made from PVC pipes. I'm willing to share how I made it, please check out video below and let's get started.
Step 1: Supplies
Main components:
* 1pcs x Arduino Uno R3: Amazon - Banggood.
* 1pcs x Arduino CNC Shield V3 GRBL: Amazon - Banggood.
* 2pcs x Stepper Motor Driver A4988: Amazon - Banggood.
* 2pcs x Stepper motor NEMA 17: Amazon - Banggood.
* 2pcs x GT2 6mm Closed Timing Belt 200mm: Amazon - Banggood.
* 2pcs x GT2 Timing Pulley 60 Teeth, Hole diameter 8mm: Amazon- Banggood.
* 1pcs x Round Bar Shaft Rod Diameter 8mm, Length 400mm: Amazon - Banggood.
* 3pcs x Round Bar Shaft Rod Diameter 8mm, Length 200mm: Amazon - Banggood.
* 1pcs x T8 Lead Screw 2mm Pitch, 8mm Lead , Length 400mm with Copper Nut: Amazon - Banggood.
* 16pcs x F608ZZ Ball Flanged Shielded Bearings 8 x 22 x 7mm: Amazon - Banggood.
* 2pcs x XH2.54mm – 4P Wire Cable Double Connector: Amazon - Banggood.
* 1pcs x 5mm DC Female Power Plug: Amazon - Banggood.
* 1pcs x Power Supply 12VDC: Amazon - Banggood.
* 1pcs x Clear/White Acrylic, size A3, thickness 5~10mm: Amazon - Banggood.
* 1pcs x Empty plastic spool. I reused empty plastic spool that is used to coil the soldering tin wires.
* 2pcs x Small Rubber Guide Roller V type.
* 6pcs x Elbow PVC Pipe Ø42mm.
* pcs x Straight connector PVC Pipe Ø42mm.
* 2 meter x PVC Pipe Ø42mm.
* 12pcs x Tee PVC Pipe Ø42mm.
* 12pcs x End Cap PVC Pipe Ø42mm.
The pipe and its fittings are shown below:
Tools:
* Drilling machine with drill bit hole 22mm.
* Hand saw.
* Soldering machine.
* Big scissor.
Step 2: Schematic
The connection diagram is very simple. I just plugged the CNC shield onto the Arduino Uno R3 and connected the cables to 2 stepper motors. Two stepper motor drivers A4988 were also plugged on the CNC shield at X and Y position.
There are 2 axes for a coil winder which are called:
* Feeder axis: connecting to X axis marked on CNC shield.
* Spindle axis: connecting to Y axis marked on CNC shield.
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Step 3: Assembly Work
Firstly, I’ve tried to figure out how to build the coil winding machine. And it seems easy with PVC pipes. What we need is patience and carefulness.
1. Building a coil winder frame:
I assembled a square frame, dimension about 480 x 480mm. It was made of 7pcs x tees, 4pcs x elbows and connecting pipes.
Connecting pipes should be cut in suitable length so that when we connect elbow to tee or tee to tee, there is no gap between them. With this connecting way, we don't need to do any measurements or alignments later because they are the same size and completely symmetrical each other. As the picture above, we have 3 pairs of pipe that are completely symmetrical each other.
2. 819