Ultrasonic welding is an industrial technique whereby high-frequencyultrasonic acoustic vibrations are locally applied to work pieces being held together under pressure to create a solid-state weld
Here I have explained theoretical view of ultrasonic welding and its applications in real world.
In addition to that, advantages and disadvantages of this process also discussed.
this presentation is about ultrasonic welding ,it shows what is ultra sonic welding and how does it work with some applications .
I am a student at port said university ,faculty of engineering ,production and mechanical design department .
Here I have explained theoretical view of ultrasonic welding and its applications in real world.
In addition to that, advantages and disadvantages of this process also discussed.
this presentation is about ultrasonic welding ,it shows what is ultra sonic welding and how does it work with some applications .
I am a student at port said university ,faculty of engineering ,production and mechanical design department .
Electron Beam Welding is a fusion welding process in which a beam of high-velocity electrons is applied to the material to be joined. The work-piece melt as the kinetic energy of the electrons is transformed into heat upon impact. The EBW process is well-positioned to provide industries with highest quality welds and machine designs that have proven to be adaptable to specific welding tasks and production environments.
One of the welding processes that used in Engineering field is the explosion welding. There are several types of welding processes similar to this, but explosion welding has its unique features.
Thanks for the colleagues who give this slides to publish.
One of the welding processes that used in Engineering field is the TIG welding. There are several types of welding processes similar to this, but tig welding has its unique features.
Thanks for the colleagues who give this slides to publish.
FRICTION STIR WELDING is a very latest tchnology of welding process .Its a green method of solid state joining, and also a defect free method .
To know more about this you can also watch this animation https://youtu.be/kEEST5cgOao
Electron Beam Welding is a fusion welding process in which a beam of high-velocity electrons is applied to the material to be joined. The work-piece melt as the kinetic energy of the electrons is transformed into heat upon impact. The EBW process is well-positioned to provide industries with highest quality welds and machine designs that have proven to be adaptable to specific welding tasks and production environments.
One of the welding processes that used in Engineering field is the explosion welding. There are several types of welding processes similar to this, but explosion welding has its unique features.
Thanks for the colleagues who give this slides to publish.
One of the welding processes that used in Engineering field is the TIG welding. There are several types of welding processes similar to this, but tig welding has its unique features.
Thanks for the colleagues who give this slides to publish.
FRICTION STIR WELDING is a very latest tchnology of welding process .Its a green method of solid state joining, and also a defect free method .
To know more about this you can also watch this animation https://youtu.be/kEEST5cgOao
Book Formatting: Quality Control Checks for DesignersConfidence Ago
This presentation was made to help designers who work in publishing houses or format books for printing ensure quality.
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So, this presentation points designers to some important things that may be missed by an editor that they could eventually discover and call the attention of the editor.
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Dive into the innovative world of smart garages with our insightful presentation, "Exploring the Future of Smart Garages." This comprehensive guide covers the latest advancements in garage technology, including automated systems, smart security features, energy efficiency solutions, and seamless integration with smart home ecosystems. Learn how these technologies are transforming traditional garages into high-tech, efficient spaces that enhance convenience, safety, and sustainability.
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Can AI do good? at 'offtheCanvas' India HCI preludeAlan Dix
Invited talk at 'offtheCanvas' IndiaHCI prelude, 29th June 2024.
https://www.alandix.com/academic/talks/offtheCanvas-IndiaHCI2024/
The world is being changed fundamentally by AI and we are constantly faced with newspaper headlines about its harmful effects. However, there is also the potential to both ameliorate theses harms and use the new abilities of AI to transform society for the good. Can you make the difference?
2. INTRODUCTION
Ultrasonic welding is an industrial technique
whereby high-frequency ultrasonic acoustic
vibrations are locally applied to work pieces
being held together under pressure to create
a solid-state weld
3. Why to use US welding?
First-Ultrasonic assembly uses ultrasonic vibratory
energy which is transmitted through the parts to melt
and bond thermoplastic materials and joining thin
sheet gauge metals and other lightweight materials .
Second-This technique is fast, efficient, non
contaminating and requires no consumables.
Third- In ultrasonic welding, there are no connective
bolts, nails, soldering materials, or adhesives necessary
to bind the materials together.
4. Principal of Ultrasonic welding
In ultrasonic welding, frictional heat produced by the
ultrasonic waves and force is used for the joining
process. Ultrasonic waves(15 to 60 kHz) are transferred
to the material under pressure with a sonometer .
Welding times are lower than 3 s .The welding can
proceed with or without the application of external
heat.
5.
6.
7.
8. Main parts
Transducers: Produce high frequency ultrasonic
vibrations.
Convertor: Converts the electrical signal in to a
mechanical vibration.
Booster: Modifies the amplitude of vibrations.
Sonotrode: Applies the mechanical vibrations to the
parts to be welded.
9. Working
The parts are placed between a fixed shaped
nest(anvil) and a sonotrode (horn) connected to a
transducer, and a 20kHz low – amplitude acoustic
vibration is emitted.
Common frequencies used in ultrasonic welding of
thermos plastics are 15kHz, 20kHz, 30kHz, 35kHz, 40kHz
and 70kHz.
The ultrasonic energy melts the point between the
parts creating a joint.
10. Ultrasonic welding
mechanism
➢ A static clamping force
is applied perpendicular to
the interface between the
work pieces.
➢ The contacting sonotrode
oscillates parallel to the
interface.
➢ Combined effect of static
and oscillating force
produces deformation which
promotes welding.
11. Advantages
Heat affected zone is minimized
Very thin materials can be welded
Surface deformation is minimum
Welding of glass is also possible
No defects due to gases, arc and filler metal
Pressure uses are lower, and welding time are shorter
Dissimilar materials can be joined
Welding can be made through some surface coating
12. Disadvantages
Restricted to join thin materials
Competitively not economical
Materials being welded may tend to the
tip(sonotrode) and anvil
13. Applications
Manufacturing of toys
Joining of electrical and electronic components
Welding aluminium wire and sheet
Mobiles, sports shoes, laminations, cars,….....
Packing, medical industries, computers.
