Precision Machining and Processes
The
chart below summarizes various machines that can be used to manufacture
parts.
Custom Fabrications
Secondary Processes
Machine
Method
D
Materials
T
Bending
Bends sheet metal to an angle
3D
Metal
N
Counter boring *
Rotating tool enlarges upper portion of hole
NA
Hard
N
Countersinking *
Conical tool adds conical shape to top of hole
NA
Hard
N
Drilling
Rotating cutter moves in one dimension
1D
Hard
N
Finishing
Various methods of treating surface of work piece
NA
Metal
N
Grinding, Surface
Abrasive wheel creates uniform flat surface
2D
Metal
N
Honing *
Tool with rotating abrasive enlarges hole
NA
Metal
N
Knurling *
Textured tool presses coarse textured pattern (cylindrical shapes)
NA
Metal
N
Reaming *
Precision cutting tool creates accurate hole
1D
Metal
N
Band sawing *
Cutting blade cuts material in straight line
NA
Hard
N
Shearing *
Scissors-like action cuts material in straight line
NA
Most
N
Silk Screen
Ink is forced thru a mesh that holds a graphic pattern
2D
Most
Y
Threading & Tapping
Threads holes and protrusions
3D
Hard
N
Welding
Joins metal surfaces
3D
Metal
N
Machine
Method
D
Materials
T
T = Uses tooling (generally beneficial for longer runs). D = 2D or 3D shapes
* Specified using the Comments To Machinist features of the eMachineShop CAD.
Also see common fabrication methods .
The above processes are compatible in various combinations with: Aluminum ... Stainless Steel ... Copper ... Sheet Metal ... Nylon ... Steel ... Acetal ... Polycarbonate ... Polystyrene ... Acrylic ... Plastic ... Fiberglass ... Brass ... Carbon fiber ... Teflon ... Titanium ... ABS ... PVC ... Sterling Silver ... Spring Steel ... Bronze and Rubber .
Video correction: The new Auto selection in the machines dialog is now used in most cases. The Auto choice results in automatic selection of the optimal machine for your design.