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CNC Milling (Vertical Machining) Programming
| HOURS | SUBJECT | SYLLABUS | DESCRIPTIONS | |
|---|---|---|---|---|
| 4 | 1. CNC PROGRAMMING STRUCTURAL FEATURES | • Program Writing Tools (Bench Panel, Notepad, Text Document, etc.) • Terminology and CNC Program Structure • Explanation of Introduction (O, %, $, (), //, # etc.) • Line Structure in CNC Milling • Line Number (N01, N02, etc.) • Addresses (G and M codes) • End of line (;) • Technological Information (F, S, T, G, M, etc.) • Geometric Information (G0, G1, G2, G3, X, Y, Z, I, J etc.) |
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| 4 | ||||
| 4 | 2. INTRODUCTION TO CNC MILLING PROGRAMMING | • Giving a Program Name and Entering the Control Unit • Coordinate Systems of CNC Milling Machines • Machine and Part Coordinate System (G54, G55,…) • The Coordinate System of the Work Area (Work Working Plane) (G17, G18, G19) • Specify the dimensions in mm in the programs performed. (G21 MM) • Specify the dimensions in inches in the programs performed. (G20 MM) • Absolute Programming (G90) • Incremental Programming (G91) • Tool Height Compensation (G40, G43, G44, G49) • Initial Section and Commands • The Number of Revolutions and the Speed of Progress (Finding the Values of S and F) • Program Introduction Section and Commands • End-of-Program Section and Commands • Return to Machine Reference Point (G28, Z, X, Y, A) |
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| 8 | ||||
| 4 | 3. PLANE SURFACE AND PROFILE MACHINING IN CNC MILLING | • Selection of the First Method of Approach of the Cutter to the Workpiece • Plane Surface Milling • Cutter Compensation Left (G41) • Cutter Compensation Right (G42) • Cutter Compensation Cancellation (G40) • Profile Processing • Channel Processing • Giving the Depth of Cut |
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| 6 | ||||
| 4 | 4. CNC MILLING CURVES | • Curve Programming • Clockwise (G02) • Counter Clockwise (G03) |
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| 4 | 5. POCKET UNLOADING CYCLE IN CNC MILLING | • Rectangular Pocket Empty (G24) • Circular Pocket Discharge (G25) |
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| 2 | 6. CNC MILLING CYCLES | • Choosing the Cycle Appropriate for the Job and Process in CNC Milling • Center Hole Drilling • Countersinking • Normal Drilling (G81) • Gradual and Standby (G82) • Step Drilling (G83) • Angular Drilling (G16, G81, G91) • Hole Enlargement (G86, G87, G88, G89) • Tapping (G84) • Reamer Drawing (G85) • Cycle Cancel (G80) |
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| 6 | ||||
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| 4 | ||||
| 4 | 7. SUB-PROGRAMMING | • Subprogram Writing and Execution | ||
| 2 | 8. PROGRAM TRANSFER | • Program Export from Machine Memory • Transferring Programs from Memory Cards to the Machine • Running a Program from the Card |
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| 4 | 9. MEASUREMENT AND EVALUATION | • Writing the Program of a Given Piece • Transferring the Written Program to the CNC Machine and Testing It • Checking the Workpiece |
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(This Program has been prepared by KCCVTC and includes a 2-month training to organize an 8-hour course every week. It is a prerequisite for the course that the trainees have worked at the CNC Milling machine and are able to use the CNC Milling machine. It is aimed to train and work efficiently in the manufacturing sector by programming on a CNC machine at intermediate and advanced levels.)
