#cnc-milling

[makerspacelt]

Use CNC mill they said.. it will be faster they said... Looks like the process has more rough corners than the part itself at the moment.

[prototypinglog]

From DEM to CNC-model (waterline finishing)

CamBam

21 mm birch plywood.

Based on this: http://www.cambam.info/doc/plus/tutorials/3DProfile.htm

Open STL in CamBam.

Object moved, so the topmost point is placed at z=0.

Under “Machining” set Fast Plunge Height to “0.2″.

Waterline roughing pass (3mm chipbreaker)

Profile 3D Method: Waterline Rough

Boundary Margin: 1.5

Boundary Method: Shape Outline

Boundary Taper: 1.5

Clearance Plane: 1

Depth Increment: 1.5

Cut Feedrate: 6000

Plunge Feedrate: 3000

Lead In Move: Spiral, Spiral Angle: 5

Cut Ordering: Level First

Roughing/Finishing: Roughing

Spindle Speed: 15000

Roughing Clearance: 1

StepOver: 0.5

Tool Diameter: 3

Tool Profile: End Mill

Waterline finishing Pass (3mm downcut two-flute endmill)

Profile 3D Method: Waterline Finish

Boundary Margin: 1.5

Boundary Method: Shape Outline

Boundary Taper: 1.5

Clearance Plane: 1

Depth Increment: 0.5

Cut Feedrate: 6000

Plunge Feedrate: 3000

Roughing/Finishing: Finishing

Spindle Speed: 15000

Resolution: 0.1

StepOver: 0.2

Tool Diameter: 3

Tool Profile: End Mill