The Arduino Quilting Machine combines the mechanics of a sewing machine, CNC technology and Arduino as an operating system. The project is designed to translate a vector file from a computer into G-code and subsequently into Arduino language which then moves the machine. The project uses four stepper motors to control the x-axis, y-axis, the bobbin case, and the threading. The bed moves in x and y direction while the threading moves up and down. This project is currently a work in progress and still being developed and tested.
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Step 1: Block Diagram
Step 2: Parts
Step 3: Laser-cut
1. Most of the parts are from laser-cut. I modeled in Rhino first to see how it looks and then make this laser cut file. The file is for 3/8”, 1/8” and 1/4" plywood.
2. Glue all the same parts together to prepare for construction, for example, all the A1 together, and all the B2 together....etc.
Step 4: Deconstructing the Mini Sewing Machine
Instead of fabricating all mechanical parts of the sewing machine, I took the existing parts of a mini sewing machine and reassembled them for my Arduino Quilting Machine. The only custom parts are the shuttle hook cover, shuttle race, bobbin case and the entire needle bar.
Step 5: Construction
1. Take out linear bearings, and place it in C1/C2 and E1/E2.
2. Place square nut into C3/C4 and D1/D2.
3. Glue C1/C2/C3/C4 on each corner of B1 ( This is the bed of the machine that moves X direction), and place B2 on top of B1.
4. Place one threaded rod and one linear shaft into C1/C2/C3/C4, and then put it aside.
5. Glue D1/D2 and E1/E2 on both sides of F1 (This is the bed of the machine that moves in the Y-axis), and place one threaded rod and one linear shaft into D1/D2 and E1/E2.
6. Glue a piece of P1 on top of A1/A2, I1 and J1, and then place A1/A2 at both ends of the linear shaft of the X-axis bed, and place I1 and J1 at both ends of the Y-axis bed.
7. Use the rest of P1 and some 1/4" screws to tighten both linear shafts.
8. Glue L1 to M1, and L2 to M2. Place two stepper motors on top of them.
9. Connect threaded rod to stepper motors with shaft couplers. Just one on each end of the two rods.
10. Place G1 at the end of threaded rod of X-axis bed, and H1 at the end of Y-axis bed.
11. Place and glue the entire Y-axis bed on Q1.
12. Place and glue the entire X-axis bed on the Y-axis bed.
Step 6: RAMPS/ Stepper Motor Drives/ Stepper Motors
1. The heat sinks prevent the drives from overheating. Before placing the stepper-motor drives on the RAMPS-shield, heat sinks should be placed on the drives with adhesive tape.
2. In order to make a clean connection between stepper motors and RAMPS that can easily be adjusted in the future, solder the wires to female headers and cover them with heat shrink. After soldering, connect the wires to the RAMPS. The wires from each stepper motor are color-coded red | blue | green | black and should be connected to pins 2B | 2A | 1A | 1B respectively. The first digit denotes the number of the stepper rotor inside the motor, and the second digit denotes polarity (e.g. 2A would be “second stepper rotor with ‘A’ polarity”. The polarity is not predefined, which means it can be either as long as both A’s have the same polarity).
3. Connect external power to the RAMPS. On the left side of the RAMPS you will find four screw terminals. The bottom two screw terminals are for 5A current, and top two are for 11A current. RAMPS is designed for 3D printers, so the 11A is for the heating element inside a 3D printer. The lower terminal of the screw terminal set is ground, the upper terminal is positive.
Step 7: Sketch
This is a sketch I found on online to test if the connection of the Stepper motors are actually correct. Library is included in the package.
1 Person Made This Project!
AntonioA46 made it!