CNC MILLING (8 Weeks)

• Introduction of & CNC Machines and its Safety.
• Advantages and Disadvantages of NC and CNC Machines.
• Main Features of CNC Machines.
• ISO and EIA Coding Systems.
• Data Storage Medias.

• Dimensioning systems: a) Absolute System b) Incremental System
• Types of Path Control: a) Point To Point Path Control b) Continuous Path Control
• 2D Continuous & 2-1/2D Continuous.
• Explanation of Point types used in CNC: a) Machine Zero Point. b) Work piece Zero Point. c) Program Zero Point. d) Reference Point.
• Preparatory Functions. “G” Codes.

• Miscellaneous Functions “M” Codes.
• Programming.
• Cutter Radius Compensation “LEFT”.
• Cutter Radius Compensation “RIGHT”.
• Tool “LENGTH” Compensation.
• Introduction of Co-ordinates Systems: a) Rectangular System. b) Polar System.

• Insertion of Chamfer and Radius in Program.
• Study of Circular Interpolation: a) Clockwise Direction. b) Counter Clockwise Direction
• Soft Start.
• Programming with Absolute Dimensioning.
• Programming with Incremental Dimensioning.

TRIGNOMETERY

• Trigonometric Ratios.
• Solution of Right Angled Triangle.
• Calculation of Points with Sin, Cos, Tan and their Inverse.
• Programming with above calculation.

• Sub-routine.
• Loop Programming.
• Programming of External Profile.
• Programming of Internal Profile.

STANDARD BORING CYCLE

• Drilling.
• Centering (G81).
• Boring with Spot Facing (G82).
• Deep Drilling Hole (G83).
• Tapping Cycle (G84).
• Drilling on different Surfaces (G85).
• Reaming Cycle (G89).

STANDARD POCKET MILLING CYCLES

• Groove Cutting Pattern (L94).
• Rectangular Pocket Milling (L95).
• Circular Pocket Milling (L96).
• Boring Pattern (L97).
• Slot Cutting Pattern (L98).