1.Create A G - Code Program:

Write your own simple program. A G-code program consists of lines of X Y and Z coordinates (With Respect To Your Machine) and commands that tell a CNC machine where to go and what to do.

2. Simulation

Use simulation software to verify the CNC program. This step ensures that the toolpaths are correct.

3. Connect Your CNC Machine To P.C.:

Load CNC control software onto a laptop or desktop computer, connect this computer to your CNC machine and use the software to control your CNC..

4. Tool Selection:

Choose the appropriate cutting tools based on the material, geometry of the part, and desired surface finish. Tools are selected for roughing, finishing, drilling, and any other necessary operations..

5. Machine Setup:

Prepare the CNC machine by installing the correct tools, work holding devices and loading the raw material.

6. Programming:

Write the CNC program using the G-code language. Programmers must specify coordinates, feed rates, spindle speeds, tool changes, and other details.

7. Run The Program:

Execute the CNC program on the machine. Monitor the process to ensure everything operates correctly.

These steps ensure that CNC machining operations are carried out efficiently and accurately.

CNC LATHE PROGRAMS –

PROGRAM NO – 1

M03	SPINDLE ON
G00 X61 Z0	1ST PROGRAMMING TOOL POSITION
G01 X0 F100	FACING OPERATION
G00 X41 Z1	PROGRAMMING START POSITION
G77 X40 Z-30 I0.5 F100	CANNED CYCLE FOR TURNING
G00 X41 Z0	2ND PROGRAMMING TOOL POSITION
G77 X20 Z-10 I0.5 F100	CANNED CYCLE FOR TURNING
G00 X20 Z-10	TOOL POSITION FOR CIRCULAR INTERPOLATION
G03 X40 Z-20 R10 F100	CANNED CYCLE FOR CIRCULAR INTERPOLATION
G00 X41 Z-30	TOOL POSITION FOR TAPER TURNING
G77 X40 Z-50 U20 I0.5 F100	CANNED CYCLE FOR TAPER TURNING
G00 X61 Z1	TOOL RETURN TO REFERENCE POINT
G00 X61 Z1	TOOL RETURN TO REFERENCE POINT
M05	SPINDLE OFF
M30	PROGRAM END & REWIND

PROGRAM NO – 2

M03	SPINDLE ON
G00 X41	TOOL POSITION
G00 Z0	TOOL POSITION
G01 X0 F100	LINEAR INTERPOLLATION FOR FACING OPERATION
G00 Z1	TOOL RETURN TO START POSITION
G00 X41	TOOL RETURN TO START POSITION
G77 X32 Z-56 I0.5 F100	CANNED CYCLE FOR TURNING
G00 X33 Z0	TOOL POSITION FOR NEXT CYCLE
G77 X24 Z-28 I0.8 F100	CANNED CYCLE FOR TURNING
G00 X29 Z-28	TOOL POSITION FOR NEXT CYCLE
G77 X24 Z-50 U8 I0.5 F50	CANNED CYCLE FOR TAPER TURNING
G00 X33 Z-56	TOOL POSITION FOR NEXT CYCLE
G03 X40 Z-60 R4 F100	CANNED CYCLE FOR CIRCULAR INTERPOLLATION
G00 X41 Z0	TOOL RETURN TO START POSITION
M05	SPINDLE OFF
M30	PROGRAM END & REWIND

PROGRAM NO – 3

M03	SPINDLE ON
M08	COOLANT ON
G00 X39 Z1	TOOL POSITION
G77 X34 Z-36 I0.5 K100	CANNED CYCLE FOR TURNING
G00 X35 Z0	TOOL POSITION FOR NEXT CYCLE
G77 X24 Z-20 I0.5 K100	CANNED CYCLE FOR TURNING
G00 X25 Z-20	TOOL POSITION FOR NEXT CYCLE
G77 X24 Z-28 U10 I0.5 F100	CANNED CYCLE FOR TURNING
G00 X25 Z60	TOOL POSITION FOR NEXT CYCLE
M46 T4 O1	TOOL CHANGE
G00 X0 Z1	TOOL POSITION FOR CYCLE
G81 X0 Z-17 K0.5 F100	PECK DRILLING CYCLE
G00 X13 Z1	TOOL POSITION FOR NEXT CYCLE
M46 T6	TOOL CHANGE
G85 X16 Z-12 I0.5 F50	CANNED CYCLE FOR BORING
G00 Z60	TOOL POSITION FOR NEXT CYCLE
M46 T1 O1	TOOL CHANGE
G00 X35 Z1	TOOL RETURN TO START POSITION
M09	COOLANT OFF
M30	PROGRAM END & REWIND

Steps To Follow While Doing CNC Programming

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