Virtual manufacturing is a new technology that uses computer simulation and virtual reality to model the real manufacturing process. It allows manufacturers to predict potential issues before production and evaluate products. Virtual manufacturing includes techniques like virtual design, machining, assembly, and testing. It provides benefits like reducing costs and errors. Example applications include Boeing using it for aircraft design and automakers using it for vehicle development. Virtual manufacturing systems map the real manufacturing system digitally to integrate information and simulate the physical processes.

1. VIRTUAL MANUFACTURING
NAME : ABHAY KUMAR
REG NO :
ROLL NO :

2. INTRODUCTION
 It is a new kind of manufacturing technology
 It is based on :
• Simulation technology
• Virtual reality technology
• Information technology
 Virtual manufacturing system is the implementation of the real
manufacturing process in a computer environment.
 It uses computer simulation and virtual reality technology to model
the whole manufacturing system.
 It allows us to predict potential problems for product functionality
and manufacturability before real manufacturing occurs.

3. Concept of Virtual Manufacturing

4. Manufacturing automation development and trends

5. Factors that affects Manufacturing
 Complex Manufacturing environment and frequent
product redesign.
 When a new product is designed , it is hard to evaluate
the benefits and risks before it is put into production.
 Difficult to gather the real manufacturing information in
different production stages.
 Difficult to adjust the relationship between design and
manufacturing to ensure enterprise gets maximum
benefit.

6. Classification
Based on types of products and process design Virtual
Manufacturing is classified as:
1. Design centered VM
 It provides an environment for designers to design products
and to evaluate manufacturability of products.
2. Production centered VM
 It provides an environment for generating process plans
and production plans.
3. Control centered VM
 It uses machine control models to achieve process
optimization during the actual production cycle.

7. Related Technology For VM
1. Virtual reality
2. Software Technologies
3. Hardware equipment

8. • Virtual reality is a computer-generated interactive three-dimensional environment
to simulate reality.
• It is one of the most successful technology to be used since 1990s.
• Computers in Virtual reality systems can track down the interactive input of the
customer and can use them to improve performance.
• Interaction ,immersion and imagination are the three basic characteristics of a man-
machine interface in a virtual manufacturing.

9. Software Technologies
 Some software technologies used in virtual manufacturing are:
 Environment construction Technology
 Information Representation
 Meta-modelling
 Simulation

10. Virtual Manufacturing Technology
 Virtual manufacturing technology is the key content of a virtual
manufacturing system .It is a system-integrated technology
which includes simulation , modelling and manufacturing.
 It can predict product performance and manufacturability.
 Different Virtual Manufacturing Techniques are listed below
1. Virtual Design
2.Virtual Machining
3.Virtual Assembly
4.Virtual Test

11. Virtual Design
 Virtual Design is a process and a way of working that
involves the management of integrated multidisciplinary
performance models.
 It is a way of coming up with an ideal strategy for a given
project that incorporates the right people and the right
technology.
 Virtual design and construction can be used by construction
companies to demonstrate the organizational and
collaborative skills
 With VDC, engineers and architects can work together to
create a visual model of the project for presentation to the
client

12. Virtual Machining
 Virtual Machining refers to making changes in the
geometrical characteristics and physical performance of
the product in a virtual environment.
 The machining process simulation includes cutting process
simulation, welding process simulation , casting process
simulation etc.
 Simulated machining process in virtual environments
reveals errors without wasting materials , damaging
machine tools, or putting workers at risk

13. Virtual milling machine

14. Virtual Assembly Design
Environment(VADE)
 (VADE) is a virtual reality (VR) based engineering application
which allows engineers to evaluate, analyze, and plan the
assembly of mechanical systems.
 It can easily find out design error and quickly amend it to
increase design efficiency and reduce cost.
 Virtual assembly has two assembly modes
 Top to bottom assembly mode
 Bottom to top assembly mode

15. Virtual Test
 Test , measurement or inspection is a powerful technical
tool to guarantee Product quality.
 Virtual test is based on a simulation technology.
 In a virtual manufacturing process, test items include
Virtual component geometry size tolerance , virtual
dimension tolerance and other manufacturing parameters.
 It also includes Product performance test , distortion and
stress distribution test.

16. Virtual Manufacturing System
 A virtual manufacturing system is based on Virtual
manufacturing technology.
 It is the mapping of real manufacturing system in virtual
environment.
 It consists of two subsystems:
 Information system(real and virtual information)
 Physics system (real and Virtual physical system)

18. Functions of a Virtual Manufacturing
System
 A virtual manufacturing system provides the following
functions:
1. Integrates computing technology such as virtual
reality, visualization and multimedia to support
modelling.
2. Improve decision making and control ability in product
development process.
3. Improve enterprize ability in self-development,self-
change and self adjustment.

19. Requirement for a Virtual Manufacturing
System(VMS)
 Function consistency
 The function of the virtual manufacturing system should
coincide with its real manufacturing system.
 Structure similarity
 The virtual manufacturing system should have a similar
structure to the corresponding real manufacturing system.
 Intelligence
 Each node of a virtual manufacturing system needs to have
intelligence .It needs to optimize the information from the
systems point of view.

20. Virtual Manufacturing Applications
 Virtual Manufacturing has unlimited potential in
production design and manufacturing process applications.
 Recently Boeing used Virtual Manufacturing Technology in
the development and production of Boeing 777 airplane.
 Other examples:
1.Virtual car design
2.Product Layout Design
3.Product Assembly Simulation
4.Virtual Simulation

21. 1.Virtual Car Design
 Virtual car design has developed rapidly in recent years.
 Virtual prototype of the car is created using Autodesk
Alias(formerly known as Alias studio tools).
 It enabled more cost effective and realistic design prior to
the manufacture of physical models.

23. 2.Product Layout Design
 Traditionally Engineers have relied on 2-D drawings to
visualize and assess changes to the production plant and
part flow.
 New Software tools enable manufacturer to visualize ,
analyze and maximize the efficiency of their proposed
factory layouts.
 VR-Fact! Is a interactive virtual factory development tool.
 The software creates a digital mock- up of a factory shop
floor.

25. 3.Product Assembly Simulation
 Visual assembly is a combination of several technologies
such as advanced visualization ,simulation, manufacturing
procedures.
 The model is first created in a CAD system.
 This model is then tested in a Virtual assembly Design
Environment(VADE).

26. VADE Usage scenario

27. 4.Virtual Simulation
 Virtual reality simulation is the use of 3D objects and
environments to create immersive and engaging learning
experiences.
 Different types of simulation:
 Casting Simulation
 Welding Simulation
 Forming Simulation

30. Conclusion
 As a conclusion , we can say that we have now reached a
point where everyone can use VM.
 It appears that VM will stimulate the need to design both
for manufacturability and manufacturing efficiency.
 leading companies are already demonstrating the
successful use of virtual manufacturing techniques.