CNC

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This page describes my capabilities and lessons learned with CNC machining. My first CNC machine is the MyDIYCNC machine, found here: http://www.mydiycnc.com/complete_kit and was built from the complete kit. The machine was upgraded with a more powerful spindle (300W DC), and corresponding stronger Z axis sled. I have since purchased a Harbor Freight Mill (#44991), aka Sieg X2 clone, which should be capable of machining aluminum. This page will also serve as a cost breakdown of all components needed for the complete systems.

Subsystems

MyDIYCNC System Cost

Part Quantity Unit Cost Total Cost Source
MyDIYCNC Complete Kit 1 $528.91 $528.91 MyDIYCNC
PCI-e 1x to Parallel Card (Rosewill RC-302E) 1 $24.43 $24.43 Newegg
Motor Speed Controller 1 $7.79 $7.79 eBay
300W DC Spindle 1 $81.89 $81.89 eBay
48V 360W DC Power Supply 1 $26.00 $26.00 eBay
Total Cost $669.02 (as of 11/12/15)

X2 Mill System Cost

Part Quantity Unit Cost Total Cost Source
Harbor Freight Mill #44991 1 $587.45 $587.45 Harbor Freight Tools
12" Digital Readout 2 $31.54 $63.08 eBay
6" Digital Readout 1 $28.29 $28.29 eBay
3" Screwless Vise 1 $59.95 $59.95 Little Machine Shop
Edge Finder 1 $7.50 $7.50 Little Machine Shop
3/8" R8 Collet 1 $6.95 $6.95 Little Machine Shop
R8 1 Piece Drawbar 1 $9.95 $9.95 Little Machine Shop
Shipping/Handling/Tax 1 $13.38 $13.38 Little Machine Shop
58 Piece Clamping Kit 7/16" 1 $48.05 $48.05 Amazon
Dial Test Indicator 1 $30.51 $30.51 Amazon
1/2" R8 Collet 1 $7.59 $7.59 Enco
2 Flute HSS End Mills: 1/4", 5/16", 7/16", 3/8", 1/2" 1 $53.41 $53.41 Enco
HSS/Cobalt Screw Machine Drills: 5/32", 1/4", 3/8", 1/2" 1 $20.55 $20.55 eBay
Total Cost $936.66 (as of 11/12/15)