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i
ii
Acknowledgement
I wish to express my sincere gratitude to all the faculty members of Department of
mechanical engineering whose allow me to give presentation on the Water jet cutter
system.
I acknowledge my gratitude to my family members for their unconditional support and
whole hearted blessing to accomplish this task.
A word of thank is due to my friends who stood by me and always helped me to take
the best foot forward and all the faculty and staff members of my collage. I acknowledge
all who helped us at each and every step where their support is required.
Lastly, I thank almighty God whose constant blessing has given us strength and
patience to bring this work into its present form.
iii
Abstract
In the battle to reduce coasts, engineering and manufacturing departments are
constantly on the lookout for an edge. The water jet process many unique capabilities
and advantages that can prove very effective in the cost battle. Learning more about the
water jet technology will give us an opportunity to put these cost-cutting, the water jet
process is recognized as the most versatile and fastest growing process in the world.
Water jets are used in high production applications across the globe. They complement
other technologies such as milling, laser, EDM, plasma and routers. Nopoisonous gases
or liquids are used in water jet cutting, and water jets do not create hazardous materials
or vapors. No heat effected zones or mechanical stresses are left on a water jet cut
surface. It is truly a versatile, productive, cold cutting process. The water jet has shown
that it can do things that other technologies simply cannot. From cutting whisper, thin
details in stone glass and metals; to rapid whole drilling of titanium; for cutting of food,
to the killing of pathogens in beverages and dips, the water jet has proven itself unique.
iv
Table of contents
Subtitle i
Acknowledgement ii
Abstract iii
Table of content IV
List of figure VI
Chapter 1 1
1.1 introduction 1
Chapter 2 4
2.2 history 4
2.2.1 1800 5
2.2.2 1850 7
2.2.3 1935 9
2.2.4 1900 10
Chapter 3 11
3.1 working 11
3.1.1 High pr. WJC 12
3.2 types of pumps 13
3.2.1 Intensifier 13
3.2.2 Direct drive 14
3.3 principle of water jet 16
3.3.1 WJC with pure water 18
3.3.2 WJC with abrasive 19
3.3.3 WJC with suspension jet 20
3.4 parts of water jet cutter 21
3.4.1 electric motor 21
3.4.2 Direction control valve 22
3.4.3 Intensifier 23
3.4.4 Hydraulic cylinder 24
3.4.5 Piston 24
3.4.6 Plunger 25
3.4.7 High pressure cylinder 26
v
3.4.8 check valve 26
3.4.9 End cap 28
3.4.10 high pressure tubing 29
3.4.11 high pressure attenuator 29
3.4.12 inlet water 31
3.5 controls and plc 32
3.5.1 on-off valve 32
3.6 abrasive feeding system 34
3.6.1 Pressurized bulk hopper 34
3.6.2 Mini hopper 34
Chapter 4 36
4.1 water quality 36
4.1.1 Overview 36
4.1.2 Water specification 36
4.2 water treatment guidelines 38
4.3 suspended solids 39
4.3.1 Heat exchanger 39
4.3.2 air-oil cooler 41
4.4 recommendation for water treatment 45
4.4.1 Benefits of WJC 46
4.5 WJC in any industry 48
4.5.1 Alloy 49
4.5.2 Steel 49
4.5.3 Laminations 50
4.5.4 Composites 50
4.5.5 Plastics 50
4.5.6 Rubber 51
4.5.7 Gaskets 51
4.5.8 Fiber glass 52
4.5.9 Glass 52
Chapter 5 53
Conclusion 53
Reference 54
vi
List of figures
1.1 water jet cutter 1
1.2 nozzle 2
1.3 water jet operation 3
2.1 old model of water jet 5
3.1 horizontal water jet 11
3.2 intensifier pump 14
3.3 direct drive pump 15
3.4 mouth piece of jet 16
3.5 vertical water jet 17
3.6 Half section of WJC 18
3.7 suspended jet 20
3.8 intensifier pump cabinet 21
3.9 directional control valve 23
3.10 intensifier 23
3.11 hydraulic cylinder 24
3.12 piston and plunger 25
3.13 ceramic plunger 25
3.14 high pr. Cylinder 26
3.15 upper portion of intensifier cabinet 27
3.16 check valve body section 27
3.17 fillets cap 28
3.18 pressure attenuator 30
3.19 pressure fluctuation prior to accumulator 30
3.20 water inlet system 31
3.21 on-off valve 33
3.22 bulk hopper 34
3.2.3 Abrasive material feeding 35
4.1 heat exchanger 40
4.2 oil cooler 42
4.3 chiller 42
4.4 heat exchanger in pump 43
4.5 air-over-oil cooler 43
vii
viii
ix
x
xi
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xiii
xiv
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xvi
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Contents

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contents of the report on water jet system.

  • 1. i
  • 2. ii Acknowledgement I wish to express my sincere gratitude to all the faculty members of Department of mechanical engineering whose allow me to give presentation on the Water jet cutter system. I acknowledge my gratitude to my family members for their unconditional support and whole hearted blessing to accomplish this task. A word of thank is due to my friends who stood by me and always helped me to take the best foot forward and all the faculty and staff members of my collage. I acknowledge all who helped us at each and every step where their support is required. Lastly, I thank almighty God whose constant blessing has given us strength and patience to bring this work into its present form.
  • 3. iii Abstract In the battle to reduce coasts, engineering and manufacturing departments are constantly on the lookout for an edge. The water jet process many unique capabilities and advantages that can prove very effective in the cost battle. Learning more about the water jet technology will give us an opportunity to put these cost-cutting, the water jet process is recognized as the most versatile and fastest growing process in the world. Water jets are used in high production applications across the globe. They complement other technologies such as milling, laser, EDM, plasma and routers. Nopoisonous gases or liquids are used in water jet cutting, and water jets do not create hazardous materials or vapors. No heat effected zones or mechanical stresses are left on a water jet cut surface. It is truly a versatile, productive, cold cutting process. The water jet has shown that it can do things that other technologies simply cannot. From cutting whisper, thin details in stone glass and metals; to rapid whole drilling of titanium; for cutting of food, to the killing of pathogens in beverages and dips, the water jet has proven itself unique.
  • 4. iv Table of contents Subtitle i Acknowledgement ii Abstract iii Table of content IV List of figure VI Chapter 1 1 1.1 introduction 1 Chapter 2 4 2.2 history 4 2.2.1 1800 5 2.2.2 1850 7 2.2.3 1935 9 2.2.4 1900 10 Chapter 3 11 3.1 working 11 3.1.1 High pr. WJC 12 3.2 types of pumps 13 3.2.1 Intensifier 13 3.2.2 Direct drive 14 3.3 principle of water jet 16 3.3.1 WJC with pure water 18 3.3.2 WJC with abrasive 19 3.3.3 WJC with suspension jet 20 3.4 parts of water jet cutter 21 3.4.1 electric motor 21 3.4.2 Direction control valve 22 3.4.3 Intensifier 23 3.4.4 Hydraulic cylinder 24 3.4.5 Piston 24 3.4.6 Plunger 25 3.4.7 High pressure cylinder 26
  • 5. v 3.4.8 check valve 26 3.4.9 End cap 28 3.4.10 high pressure tubing 29 3.4.11 high pressure attenuator 29 3.4.12 inlet water 31 3.5 controls and plc 32 3.5.1 on-off valve 32 3.6 abrasive feeding system 34 3.6.1 Pressurized bulk hopper 34 3.6.2 Mini hopper 34 Chapter 4 36 4.1 water quality 36 4.1.1 Overview 36 4.1.2 Water specification 36 4.2 water treatment guidelines 38 4.3 suspended solids 39 4.3.1 Heat exchanger 39 4.3.2 air-oil cooler 41 4.4 recommendation for water treatment 45 4.4.1 Benefits of WJC 46 4.5 WJC in any industry 48 4.5.1 Alloy 49 4.5.2 Steel 49 4.5.3 Laminations 50 4.5.4 Composites 50 4.5.5 Plastics 50 4.5.6 Rubber 51 4.5.7 Gaskets 51 4.5.8 Fiber glass 52 4.5.9 Glass 52 Chapter 5 53 Conclusion 53 Reference 54
  • 6. vi List of figures 1.1 water jet cutter 1 1.2 nozzle 2 1.3 water jet operation 3 2.1 old model of water jet 5 3.1 horizontal water jet 11 3.2 intensifier pump 14 3.3 direct drive pump 15 3.4 mouth piece of jet 16 3.5 vertical water jet 17 3.6 Half section of WJC 18 3.7 suspended jet 20 3.8 intensifier pump cabinet 21 3.9 directional control valve 23 3.10 intensifier 23 3.11 hydraulic cylinder 24 3.12 piston and plunger 25 3.13 ceramic plunger 25 3.14 high pr. Cylinder 26 3.15 upper portion of intensifier cabinet 27 3.16 check valve body section 27 3.17 fillets cap 28 3.18 pressure attenuator 30 3.19 pressure fluctuation prior to accumulator 30 3.20 water inlet system 31 3.21 on-off valve 33 3.22 bulk hopper 34 3.2.3 Abrasive material feeding 35 4.1 heat exchanger 40 4.2 oil cooler 42 4.3 chiller 42 4.4 heat exchanger in pump 43 4.5 air-over-oil cooler 43
  • 7. vii
  • 9. ix
  • 10. x
  • 11. xi
  • 12. xii
  • 13. xiii
  • 14. xiv
  • 15. xv
  • 16. xvi