Computer Numerically Controlled (CNC) Machining and Tool Path ...
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Computer Numerically Controlled (CNC) Machining and Tool Path ...
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Computer Numerically Controlled (CNC) Machining and Tool Path Programming
CNC Machining of Complex Surface Parts
2 ½ and 3 Axis Milling
Face Milling
Pocketing
Three-Axis CNC Machines • In 3-axis CNC vertical machine, the working table moves along x- and y-axis, and the tool along z-axis. • In machining, tool orientation is fixed, either in vertical or horizontal direction. • If all surfaces to be machined are accessible by the cutter in one setup, select a 3-axis CNC machine. Synchronized Motions in 3 Axis
Five-Axis CNC Machines • X-, Y-, and Z- Axis Motions and A- and B- axis Rotations (Simultaneously) • Tool orientation can be changed simultaneously during machining. • If some surface patches to be machined are not accessible by the cutter in one setup, consider to use a 5-axis CNC machine.
Five-Axis CNC Machines
Five-Axis CNC Machining
Cincinnati V5-2000 5-Axis CNC Machining Center
Machined Surface CAD Model of the Surface Tool Path Generation Simulation of Cutting Accuracy of the Machined Surface Over-cut and Over Cut Detection
Tool path
Trails Trail patches
Cutter contact point Cusp
Computer-Aided Manufacturing (CAM) CNC Tool Path Programming • … • Automatic Tool Paths Generation for CNC Machining from CAD Models • Tool Path Verification and Graphical Simulation of CNC Machining • CNC Post-Processor for Machine Dependant G-code Generation
Tool Path Generation and Machining Simulation Verify the tool paths and simulate the milling process Generate 3-axis CNC tool paths for the mold of a phone handset Flat, Torus and Ball End Mill
The digital result of the virtual CNC machining
2 ½ Axis Rough Machining • Stock (or Workpiece in Pro/Mfg) • Mechanical Part • 2D Contours for Layered Machining • Tool Path for Example 2D Layers
Different Tool Path Patterns
Conventional Surface
Profile
Face
Pocket
Trajectory
Surface Normal
Cutter, Part Surface, Surface Normal, Tolerance Surface, Tool Path, Cusp
Planar Cutting Edge Tolerance surface
Effective Cutting Edge l-axis Cutter Contact Point
Z Steepest-Directed Tool Paths
Steepest-Directed & Iso-Cusped Tool Paths
Y Cusp X
Iso-Cusped Tool Paths
Parallel-Plane-Guided and Radial Tool Paths
Setting Up Tools
Setting Up Machining Parameters
Pro/Mfg Menu System
VERICUT Interface to Major CAD/CAM Systems
Pro/E has licensed a CNC simulation module from VERICUT – with no machine tool modeling capability
Simulation of CNC Machining (VERICUT)
Machining Simulation and Tool Path Verification
5-Axis CNC Milling Based on a CAD Model of Boat Design
