CNC Programming

Lathe Axes Designation

Lathe Axes Designation

Lathe

Lathe Axes Designation

CNC Axes

+X

+Z

Milling

Spindle

Milling

CNC Programming

Preparation of CNC programs and proving them is first step to machine the part.

CNC programs are also called part programs.

There are two types of codes are used in CNC programming:

preparatory codes (G Codes)

miscellaneous codes (M codes)

Motion Statements

G00 Linear Movement (rapid)G01 Linear Movement (feed)G02 Circular Movement (cw feed)G03 Circular Movement (ccw feed)

CNC Programming

G00 Linear Movement (rapid)

CNC Programming

(0, 0)

10 24

X

Y

60

55

G00 X55 Y60

CNC Axes

+X

+Z

Tool at (25, 35)

G00 X0 Z35

G00 X0 Z0

CNC Programming

Initial Diameter = 10 mmFinal Diameter = 6 mm Depth of cut = 1 mmWidth of cut = 8 mm

G00 X4 Z1

G01 Z-8

G00 X5 Z1

G00 X 3

G01 Z-8

G00 X4 Z1

G02 Circular Movement (Clockwise)

CNC Programming

(0, 0)

10

24

X

Y

G02 X34 Y0 I0 J-24

G02 X34 Y0 R24