My CNC Machine
last updated: Oct. 15, 2012
Making parts for itself
A few other things it's milled
Experimenting with 3D
Software
Parts
The Base
- rods - qty:2, stainless steel, 0.750", 15", ends drilled and tapped for 1/4-20 screws
- ACME leadscrew - steel, 0.500", 10 TPI
- #608 rollerskate bearings - qty:2, 0.315"(8mm)ID, 0.866"(22mm)OD, 0.275"(7mm)thick
- front bar - MDF, 0.750" x 12.500" x 2.250"
- rear bar - MDF, 0.750" x 12.500" x 2.250"
- table - Aluminum, 0.375" x 12.000" x 18.000"
The Gantry (Y assembly)
- cross bars - qty:2, aluminum, 0.5" x 1.25" x 12.6"
- bushings - qty:4, bearing bronze, 0.875" OD, 0.755" ID
- leadscrew nut - Polyethylene, 0.500" thick
- side bars - qty:2, aluminum, 0.5" x 3" x 10"
- rods - qty:2, stainless steel, 0.500", 12.600", ends drilled and tapped for 1/4-20 screws
- ACME leadscrew - steel, 0.500", 10 TPI
- #608 rollerskate bearings - qty:2, 0.315"(8mm)ID, 0.866"(22mm)OD, 0.275"(7mm)thick
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The X & Z axis assembly)
- side bars - qty:2,
- bushings - qty:4, bearing bronze, 0.625" OD, 0.502" ID
- leadscrew nut - brass, 0.500" thick
- top plate - .1875" x 2.500" x 2.600"
- bottom plate - .375" x 2.500" x 2.100"
- rods - qty:2, stainless steel, 0.500", 5", ends drilled and tapped for 1/4-20 screws
- ACME leadscrew - steel, 0.500", 10 TPI
- #608 rollerskate bearing - 0.315"(8mm)ID, 0.866"(22mm)OD, 0.275"(7mm)thick
- cross bars
- bushings-qty:4, bearing bronze, 0.625" OD, 0.502" ID
- leadscrew nut - Polyethylene, 0.500" thick
- spindle mounting bar - aluminum, 0.187" x 2" x3.500"
- lower spindle mounting bracket - alumimum
- upper spindle mounting bracket - polyethylene
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The bits I use
OSG Tap & Die, endmill, square end, 1/8" shank, 2 flute, center cutting, carbide
Bought at Legere Engineering
- .047" (3/64) 402-0469
- .0625" (1/16) 402-0625 1/4" is the deepest it can go.
- .094" (3/32) 402-0938
- .125" (1/8) 402-1250
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