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PaxSpace CNC Router is moving forward

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To get this project started, We have decided to purchase the core set of electronics to begin the CNC Router project.

The goal is to build a 2’x4′ CNC Router at low cost with the capability for future upgrades.

After canvasing the internet, We have developed the following Bill of Material (BOM) for the electronics.  If you would like to proposed alternative parts, please reply in the Project : CNC Router: CNC Electronics Forums with your proposal that we may not have thought of yet.

Plan to purchase Friday 1/17/2014 unless someone has any objections. This project is being funded through donations made to the CNC Router project.

1) We have decided to go with an Arduino based controller, with GRBL Firmare: An open source, embedded, high performance g-code-parser and CNC milling controller written in optimized C that will run on a straight Arduino. WebLink:

2)#23-205-DS8 285oz-in bipolar rating, 205oz-in unipolar rating. 3v, 3A, 200 S/R, 2.2mH, Size #23, Dual Shaft (HobbyCNC, $46 x 3) :NEMA 23 Bipolar Motors for maximum torque with a good price per performance that matches our chosen drivers. WebLink:

3) SainSmart CNC Router Single 1 Axis 3.5A TB6560 Driver (SainSmart, $13.99 x 3):  High Current, Good Features, Good Quality that should last the life of our router. WebLink:

4) 24V 15A 360W DC Regulated Switching Power Supply (Amazon, $27.98) Cheap good power supply that can be adjusted up to approximately 29.5V: WebLink:

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