CNC – Milling Programming

The course covers complete understanding of the basics of CNC programming for milling Machines. Classes start with a view that includes Motion Axis, coordinates and absolute and incremental movements in detailed explanations of the codes-G. Code groups, commands “modal”, Cutter Compensation, canned cyles and more which are described below.

Module 1:

• Basic Machining Centre Principles
• Different   Models of Machine and Controls
• Operating   Principles (Vertical & Horizontal)
• (VMC & HMC)
• Basic Components of the machine (Spindle, drives, Measuring   systems, Encoders &   Ball Screws, pallets)

Module 2:

• Basic Machining Introduction-
• Difference   between NC & CNC Systems
• Open Loop &    Closed loop control system
• Control Modes (point to point, straight, Contouring Control)
• Power supply

Module 3:

• Machining Centre Coordinate System
• Planes (G17, G18, G19)
• Coordinate System (Absolute, increment, &Polar)
• G90 G91G16 G15

Module 4:

• Programming methods of   CNC Machining Centers
• NC related   Dimensioning (Absolute & Incremental)
• Polar Coordinates
• Programming   Languages
• (ISO/NC Programming)
• Different   Programming   words(N,G,M,T,S,F,X,Y,Z, A,B,C, i, j, k)

Module 5:

• Understanding the Codes
• Modal & Non Modal Codes
• Explanation of G00, G01, G02 and G03
• Plane   Selection
• M00, M01, M02, M03, M04, M05, M06, M08, M30

Module 6:

PRACTICAL

• Manual   Machine   Controls
• Different   Keys
• Different Switches (Emergency, Reset, Cycle Start, Speed & feed   Override, Jog)

Module 7:

Understanding of

• feed rate (mm/min, m. m per revolution)
• G94 & G95
• Depth of cut-speed/rpm(S)
• Surface Speed Vc

Module 8:

• Coordinates & Directions   of   Movement
• Signs   of   Coordinates (X, Y, Z)
• Direction Of movement
• Machine Zero &   Program Zero