Contents & Abstract of CNC project

ABSTRACT

The aim of the project is to manufacture the designed profile by using CNC machine. The profile designed is needed to write a CNC program based on labels, the label mode of  program is selected because the programming is too easy even for complicated shapes. CNC’s had made revolutionary changes with in the manufacturing sector in before days achieving productivity up to the desired level was not possibilities due to lots of drawbacks like complication of shapes and sizes, lack of skilled labors ,lots of wastages and scraps due to unexpected mistakes and low quality levels and accuracy. By using CNC this all draw  backs can be overcome and this was our small contribution to show the the performance of CNC.

Initially we got trained about the CNC programming and operations for the period of one month during the training decided to carry our project on CNC , we designed a profile to be manufactured which would be tough to achieve it by conventional machining process and we designed to make use of aluminum material as a work piece of dimension, after the  basic selections selecti ons and decisions decisi ons the preparation of an program (based on labels) was done and we went for simulation and verified it thoroughly thoroughly weather the profile achieved by simulation is matching to the designed after lots of observation we went for manufacturing the profile in CNC machine available available at the source place and the results results we got was smooth finished surface with high rate of accuracy with less machining time which directly increases the  productivity and the process would be economical conventional machining process.

when compared to the normal

CONTENTS CHAPTER NO

TITLE

PAGE NO

ABSTACT CHAPTER 1 INTRODUCTION

1-11

1.1 Machine

1

1.2 Conventional Machines

1

1.3 Numerical Control Machine

4

1.4 Introduction of CNC Machine

6

1.5 Working of CNC Machine

7

1.6 Various Types Of CNC Machines

8

1.7 Advantages

8

1.8 Limitations

9

1.9 Applications of CNC Machine

9

CNC PROGRAMMING BASICS

12-23

2.1 Coordinating System

12

2.2 Programming System

15

2.3 Incremental and Absolute systems

17

2.4 Part Programming in CNC

19

2.5 Preparatory Codes

20

2.6 List of G-Codes & M-Codes

21

CHAPTER 2

CHAPTER 3 CNC SOFTWARES

24-35

3.1 CNC Software’s Introduction

24

3.2 SINUMERIK 828D

26

3.3 Versions of the SINUMERIK 828D

28

3.4 Tool Management

31

3.5 CNC Stimulation

32

3.6 Optimum View Guaranteed

33

CHAPTER 4 HISTORY AND DEVELOPMENT OF CNC MACHINE

36-44

4.1 History of N.C Machine

36

4.2 Changes from NC to CNC System

37

4.3 Common CNC Machine

39

4.4 Development Between Conventional and Non convectional machine

42

4.5 Difference Between Conventional and Non convectional machine

44

ACTUAL PROJECT PROGRAM

45-53

5.1 Aim

45

5.2 Description

45

5.3 Designing of Profile

45

5.4 Profile Programming

46

CHAPTER 5:

5.5 Manufacturing of The Profile By Using CNC Smartrun Lathe Machine 53 CHAPTER 6: RESULT & CONCLUSIONS

57-59

6.1 Results

57

6.2 Conclusion

58

REFERENCES

59

PHOTO GRAPHS

60-61

FIGURES FIGURE NO

TITLE

PAGE NO

Fig. 1.1

Conventional Lathe Machine

3

Fig. 1.2

Conventional Grinding Machine

4

Fig. 1.3

NC Milling Machine

6

Fig. 1.4

NC Lathe Machine

6

Fig. 1.5

CNC Lathe Machine

10

Fig. 1.6

CNC Milling Machine

11

Fig. 2.1

Intersecting Lines from Right Angles

13

Fig. 2.2

The Three Dimensional Coordinate System

13

Fig. 2.3

Three Finger Rule

13

Fig. 2.4

Three Hand Rule

14

Fig. 2.5

Quadrant system

15

Fig. 2.6

Programming System

16

Fig. 2.7

A Work Piece Dimensioned in the Absolute System Mode 17

Fig. 2.8

Difference between Absolute And Incremental Positioning 18

Fig. 3.1

SINUMERIK 828D

25

Fig. 3.2

Keyboard

25

Fig. 3.3

SINUMERIK 828D

27

Fig. 3.4

Milling Machining Setting up and Getting Started

29

Fig. 3.5

Turning Machining Guaranteed to Turnout Well

30

Fig. 3.6

Tool Management

31

Fig. 3.7

CNC Stimulation

32

Fig. 3.8

Optimum View

33

Fig. 3.9

SINUMERIK 828D Alignment

34

Fig. 4.1

Numerical Control Machining Began in Aircraft Industry

35

Fig. 4.2

NC Machine

36

Fig. 4.3

New CNC Machines

36

Fig. 4.4

Tape Reader

37

Fig. 4.5

CNC Machine Key

37

Fig. 4.6

CNC Machines May Contain Many Tools

37

Fig. 4.7

CNC Milling Machine

38

Fig. 4.8

CNC Lathe Machine

39

Fig. 4.9

CNC Grinding

39

Fig.4.10

CNC Punch Press Use One Tool

39

Fig. 5.1

Profile Design

45

Fig. 5.2

Profile Program

49

Fig. 5.3

Work Piece Dimensions

50

Fig. 5.4

Stock Removal

51

Fig. 5.5

Grooving

51

Fig. 5.6

2-D Simulation

52

Fig. 5.7

3-D Simulation

52

Fig. 5.8

Half cut Simulation

53

Fig. 5.9

Aluminum Work Piece

54

Fig. 5.10

Tools Used

55

Fig. 5.11

Profile Manufacturing

55

Fig. 5.12

Machining Process

56

Fig. 6.1

The profile Output

57