CNC Course Syllabus

1.0 INTRODUCTION.

1.1 OPEN LOOP SYSTEM.

1.2 CLOSE LOOP SYSTEM.

1.3 ADVANTAGES OF CNC MACHINES.

1.4 DISADVANTAGES OF CNC MACHINES.

1.5 DIFFERENCE BETWEEN MACHINING & TURNING CENTRE.

1.5.1 CLASSIFICATION OF CNC MACHINES

1.6 AXIS STANDARDS AND ITS IDENTIFICATION. (AXIS CONSTRUCTIONS).

1.6.1 CONSTRUCTION AND WORKING OF CNC TURNING CENTRE

1.6.2 V.M.C. VERTICAL MACHINING CENTRE. (CONSTRUCTION AND WORKING OF MACHINING CENTRE).

1.6.3 H.M.C. HORIZONTAL MACHINING CENTER. (CONSTRUCTION AND WORKING OF MACHINING CENTRE).

1.7 MACHINE SPECIFICATIONS. TURNING CENTRE. (CONSTRUCTIONAL FEATURES AND WORKING OF CNC MACHINES).

1.7.1 CONSTRUCTION AND WORKING OF CNC TURN MILL CENTRE

1.8 MACHINING CENTRE: (CONSTRUCTIONAL FEATURES AND WORKING OF CNC MACHINES).

1.8.1 CONSTRUCTION AND WORKING OF PALLET TYPE CNC MACHINE.

1.8.2 CONSTRUCTION AND WORKING OF CNC BASED COORDINATE MEASURING MACHINE.

1.8.3 BED AND MACHINE FRAME CONSTRUCTION.

1.8.4 CONSTRUCTIONAL DETAILS AND WORKING OF BALL SCREW AND L.M. GUIDEWAYS.

1.8.5 TOOL OFFSETS AND TOOL WEAR COMPENSATION.

1.8.6 TOOL PRESETTING PROCEDURE.

2.0 TOOLING FOR CNC MACHINES (TYPES OF CNC CUTTING TOOLS).

2.1 CUTTING TOOL MATERIALS.

2.2 PRODUCTION OF CARBIDE: POWDER METALLERGY PROCESS.

2.3 COATING MATERIALS.

2.4 BASIC GRADES OF CARBIDE INSERTS.

2.5 TYLES OF INSERT WEARS.

2.6 TH GRADE (ISO K).

2.7 TT GRADE (ISO P).

2.8 AT GRADE (ISO M).

2.9 SELECTION OF GRADE.

3.0 I.S.O. DESIGNATIONS.

3.1 ISO DESIGNATION OF TURNING INSERT (TYPES OF INDEXABLE INSERTS WITH ITS GEOMETRY).

3.2 ISO DESIGNATION OF TURNING HOLDERS (CONSTRUCTION OF TOO HOLDING ASSEMBLY).

3.3 ISO DESIGNATION OF BORING BAR.

3.4 ISO DESIGNATION GROOVING INSERT.

3.5 ISO DESIGNATION OF GROOVING HOLDERS.

3.6 ISO DESIGNATION OF THREADING INSERT

3.7 ISO DESIGNATION OF THREADING HOLDER.

4.0 CUTTING PARAMETER'S.

4.1 CUTTING SPEED (VC m/min).

4.2 CUTTING FEED (F).

4.3 FEED FOR MACHINING CENTER (Fm).

4.4 FEED FOR THREADING.

4.5 FEED FOR TAPPING.

4.6 SURFACE ROUGHNESS.

4.7 CUTTING TIME (MINUTES). (CALCULATE THE CYCLE TIME FOR THE GIVEN COMPONENT)

4.8 CUTTING FORCE (Fs).

4.9 POWER REQUIRED (P).

4.10 CUTTING SPEED FOR TURNING, MILLING, BORING.

4.11 CUTTING SPEED FOR

4.12 CUTTING SPEED FOR TAPPING.

4.13 MEASUREMENT UNITS.

4.14 STANDARED ALLOWANCES FOR FINISHING OPERATIONS.

4.15 DRAWING SYMBOLS.

5.0 CONTROL INFORMATION (FANUC & SIEMENS).

a. TO FEED THE PROGRAMME TO CNC MACHINE.

b. TO CONDUCT THE PROGRAMME IN SINGLE BLOCK MODE AND DRY RUN.

c. TO CARRY OUT JOB PRODUCTION ON CNC MACHINE.

d. TO CARRY OUT CHANGES IN JOB AND CARRY OUT COMPENSATION.

5.1 INITIAL FACTORS IN PROG.

6.0 PREPARATORY FUNCTIONS (G CODES).

7.0 MISCELLANEOUS FUNCTIONS (M CODE).

8.0 TURNING CENTER PROGRAMMING.

a. TO SELECT THE APPROPRIATE CNC MACHINE FOR THE GIVEN COMPONENT.

b. TO SELECT THE APPROPRIATE TOOLS FOR THE GIVEN COMPONENT.

c. TO GENERATE PROGRAMME FOR THE GIVEN COMPONENT.

8.1 EXAMPLE NO 1: STEP TURNING PROGRAMS.

8.2 EXAMPLE NO 2: TAPER & RADIUS PROGRAM.

8.3 EXAMPLE NO 3: PROFILE PROGRAMS WITH STOCK REMOVAL CYCLES.

8.4 EXAMPLE NO 4: ID & OD STOCK REMOVAL CYCLES & GROOVE PROGRAMS.

8.5 GROOVING & THREADING PROGRMES.

8.6 TAPER THREADING PROGRAM: N.P.T. /B.S.P.T. THREADS.

8.7 FACE GROOVE MACHINING.

9.0 MACHINING CENTER.

9.2 TYLES OF ADAPTORS.

9.3 TYLES OF MILLING CUTTERS.

9.4 FACE MILL CUTTER.

9.5 SIDE & FACE MILL CUTTER.

9.6 END MILL CUTTERS.

9.7 BALL NOSE CUTTERS.

9.8 BULL NOSE MILLING CUTTERS. 9.9 DEEL SHOULDER MILL CUTTERS.

9.9 DEEL SHOULDER MILL CUTTERS.

9.10 SAW MILLING CUTTERS.

9.11 WOOD ROUGH CUTTERS (T SLOT MILL CUTTER).

10.0 TYLES OF DRILLS.

10.1 TALER SHANK DRILL (T.S.).

10.2 PARALLEL SHANK DRILLS (P.S.).

10.3 TYPES OF U DRILLS.

10.4 TYLES OF REAMERS.

10.5 TYLES OF CENTRE DRILLS.

11.0 ISO DESIGNATION OF MILLING INSERT.

12.0 MACHINING CENTER PROGRAMMING.

12.1 CANNED CYCLE PROGRAM. (PART PROGRAMMING CONTAINING

12.2 CIRCULAR INTERPOLATION PROGRAM. SUBROUTINES)

12.3 PROFILE MILLING PROGRAM.

12.4 ALL OPERATIONS & KEYWAY MILLING PROGRAM.

12.5 T SLOT MILLING PROGRAM.

12.6 THREAD MILLING.

13.0 MAZATROL CONTROL 640

13.1 PROGRAM COORDINATE SYSTEM.

13.2 PROCEDURE OF NEW PROGRAM CREATION

13.3 COMMON PROCESS.

13.3 COMMON PROCESS DATA.

13.4 MATERIALS SHAPE PROCESS (MTR).

13.5 SETTING UNIT DATA.

13.6 SETTING SEQUENCE DATA.

13.7 BAR MATERIALS MACHINING UNIT (BAR).

13.8 COPY PROCESS (CPY).

13.9 CORNER MACHINING PROCESS (CNR).

13.10 EDGE MACHINING PROCESS (EDG).

13.11 THREDING PROCESS(THR).

13.12 GROOVING PROCESS(GRV).

13.13 DRILLING PROCESS (DRL).

13.14 TAPPING PROCESS (TAP).

13.15 END PROCESS (END).

14.0 TURNING & GROOVING PROGRAM.

15.0 PROFILE TURNING PROGAME.