cim presentation

Computer Integrated Manufacturing(AN OVERVIEW)

PROF. A.G.MOMINAsst.Professor, Mech. Engg. Deptt.

Department of Mechanical Engineering, L.D.College of Engineering ,Ahmedabad

AGRICULTRALAGE

…… - 18. Century

INDUSTRIALAGE

18. - 20. Century

INFORMATION AGE

20. - ……. Century

GROWTH with Century !!

HUMAN (hand made)

MACHINE TOOLS(manual)

HARD AUTOMATION(mechanization)

SOFT AUTOMATION(CNC machines)

INTEGRATION(computer integrated

manufacturing)

INTELLIGENTMANUFACTURING

SYSTEMS

?

MANUFACTURING PAST and FUTURE :

“CIM is the integration of the total manufacturing enterprise through the use of integrated systems and data communications coupled with new managerial philosophies that improve organizational and personnel efficiency.”

Definition of CIM by the Computer and Automation Systems Association of the Society of Manufacturing Engineers (CASA/SME):

CIM is the integration of all enterprise operations and activities around a common corporate data repository.

It is the use of integrated systems and data communications coupled with new managerial philosophies.

What is CIM?

CIM is not a product that can be purchased and installed.

It is a way of thinking and solving problems.

CIM is the use of computers for on-line automation, optimisation and integration of the total system from design to production.

What is CIM?

NC, CAD, CAD/CAM are steps on the way to CIM and intern intelligent flexible Manufacturing system FMS

CAD Computer Aided Design

CAM Computer Aided ManufacturingComputer Numerical Control (CNC)Direct Numerical Control (DNC)Computer Aided Process Control

CAE Computer Aided Engineering Computer-Integrated Production Management

Automated Inspection Methods Industrial Robotics, etc..

Components of CIM

Transfer lines are very efficient when producing parts in large volumes at high output rates. The limitation is with only identical parts. Transfer lines are highly inflexible to accommodate the change/variation in part design.

Stand-alone NC machines are ideally suited for variation in part design. And appropriate for job shop and small batch manufacturing as these are easily programmable.

In terms of manufacturing efficiency and productivity, a gap exists between above two (i.e high production rate transfer machines and highly flexible/programmable low production rate NC machines).

The gap can be bridged by Computer Integrated Manufacturing (C.I.M).

Production System : Volume – Variety

• Stand alone• High part variation

• Low volume

• Flexible manufacturing system• Medium part variation

• Medium volume• C.I.M

• Transfer lines• Low part variation

• High volume

FLEXIBILITY

PRODUCTION VOLUME

The Computer Integrated Manufacturing System (C.I.M), covering the medium part variety and medium production volume, can be further divided into finer categories.

These categories represent different levels of compromise between flexibility and production capacity.

Special Manufacturing System (Least Flexible C.I.M)

Manufacturing Cell

Flexible Manufacturing System (FMS)

The mile stones of the evolution of automation of a production line for a particular product:

1909: Ford production line1923: Automated transfer machine

1952: Numerical Control(NC)1959: Control digital computer1960: Robot implementation

1965:Production-line computer control1970: Multiple machine computer control1970-1972: Computer numerical control1975-1980: Distributed numerical control

1980: Flexible manufacturing system

FEATURES OF CIM :

• Minimum changeover costs and time• Maximum flexibility and quick turnaround capability• Minimum downtime for unanticipated maintenance, but

continuous maintenance attention• Maximum breadth of product range and volume• Ability to adapt to variations in materials and processes.• Ability to integrate new process technology into an existing

system with minimum disturbances and costs• Ability to handle increasingly complex product design and

technology• Allows for just-in-time manufacturing.

Improved customer service Improved quality Shorter time to market with new products Shorter flow time Shorter vendor lead time Reduced inventory levels Improved schedule performance Greater flexibility and responsiveness Improved competitiveness Lower total cost Shorter customer lead time Increase in manufacturing productivity Decrease in work-in process inventory

POTANTIAL BENEFITS OF CIM

The computer has had a substantial impact on almost all activities of a factory.

Often, the introduction of the computer changed the organizational structure of a department and made necessary adoption of new management structures.

The Role of Computer in Manufacturing

The operation of a Computer system gives the user substantial benefits:

• Reduction of design costs by 15-30%;

• Reduction of the in-shop time of a part by 30-60%;

• Increase of productivity by 40-70%;

• Better product quality, reduction of scrap 20-50%.

The Role of Computer in Manufacturing

DEMAND DESIGN MANUFACTURING PRODUCT

Conceptual designMathematical analysis

Geometric dataGraphical representation

CAD

CAD/CAM

CAM

Process designProcess planning

CNC codesTool selection

Facilities management

C.I.M?

Parallel with increasing needs for faster communications the needs of large data storage capacity and fast computers is increasing also.

Now typical manufacturing environment, called also as CAD/CAM/CAE environment is composed of fast computers, centralized data storage units, CNC controlled machine centers, robots etc., all connected on the same network.

On this networks either TCP/IP or specially designed manufacturing protocols like, MAP or TOP, are used.

MANUFACTURING

MAP

An initiative by General Motors of The United States has resulted in the selection of a set of protocols, all based on ISO standards, to achieve open system interconnection within an automated manufacturing plant.

The resulting protocols are knows as manufacturing automation protocols (MAPs).

MANUFACTURING

MANUFACTURING

TOP

In a similar way, an initiative by the Boeing Corporation (USA) has resulted in the selection of a set of ISO standards to achieve open system interconnection in a technical and office environment.

The selected protocols are known as technical and office protocols (TOPs).

MANUFACTURING

MANUFACTURING

Functions of the Computer in C.I.Ms• Machine Control for CNC and DNC• Production Control• Traffic Control• Shuttle Control• Work Handling System Monitoring• Tool Control• System Performance Monitoring and Reporting.

C.I.Ms Data Files• Part Program Files• Routing Files• Part Production Files• Pallet Reference Files• Station Tool File• Tool-life File

TRENDS IN MANUFACTURING

Demand for:

Quality

on time delivery

uninterrupted supply

lower price

Solution ???

Answer may be;

C.I.M /F.M.S

And

Advanced Manufacturing Technology

INTRODUCTION to ADVANCED MANUFACTURING

The Advanced Manufacturing concepts are characterized by their ability to allow a rapid response to continuously changing customer requirements.

At the core, Flexile Automation (FA) systems can

reduce product cycle time, increase quality

and allow rapid changes in design.

INTRODUCTION to ADVANCED MANUFACTURING

The recent hi-tech innovations like • Concurrent Engineering (CE), • Flexible Manufacturing System (FMS), • Computer Integrated Manufacturing (CIM), • Variable Mission Manufacturing (VMM),• Intelligent Manufacturing System (IMS), • Artificial Intelligence (AI), and • Rapid Prototyping (RP) have made it a reality to successfully implement

flexible automation in industries to achieve the goal of “Maximum Productive Flexibility”

The different above titles all refer to a production system – Consists of group of NC machines connected by an automated materials handling system and operated under computer control – CAN BE CALLED AS C.I.M

The Advanced Technology has changed the nature of manufacturing and opened up opportunities for new styles of competition in Industries.

NEW AIMS OF PRODUCTION :

As a result of economic life and better life style, condition within the global companies in advanced countries like Germany, Japan, U.S.A. etc demonstrate similar development trends : Like..

• Shorter Market Lifetimes and Compressed Product Lifecycles• Intensified Competition• An Accelerated Rate of Technical Development• Declining Profit Margins• Increased Demands

The world class companies must, therefore accept new business environment and pursue new strategies like• Develop new products with

Increased frequency

Offer a great number of variants and

Ensure high quality

• Attempt to shorten delivery times

• Reduce costs by all means with Incorporating increasing level of customization.

EVOLUTION OF MANUFACTURING TECHNOLOGY :

• In the first stage, manufacturing was dependent on human labor and intelligence.

• The Second stage saw the replacement of human labour by machines, while still relying on human intelligence.

• Today in the third stage, human intelligence is being replaced by artificial intelligence (AI) and integrated with machine labour.

Manufacturing is now moving from functions where we manage people, materials, and costs to systems where we must manage information, continuous change and time.

FLEXILE AUTOMATION – A KEY CONCEPT

Flexible Automation offers rapid response to product innovation, process innovation and shifts in demand. The essential attributes like enhanced dynamism, greater variance and higher quality.

Flexible Automation is much more cost-effective than Fixed Automation for High-Variety production requirements.

The recent hi-tech innovations like

Flexible Manufacturing System (FMS), Computer Integrated Manufacturing (CIM), Variable Mission Manufacturing (VMM),Intelligent Manufacturing System (IMS), Artificial Intelligence (AI), and

Rapid Prototyping (RP) have greatly contributed towards achieving the objectives of Flexible Automation

DRIVERS FOR ADVANCES IN MANUFACTURING TECHNOLOGY : FLEXIBLE AUTOMATION

Two primary forces : 1) Technology Push and 2) Competitive Pull

• Network Technology• Information

Management• Automation Tools• Faster Computers• Hi-Tech Facilities

• Intense Competition• Compressed Product

Life Cycles• Quality Demands• Market Segmentation• Declining Profit Margin

Technology Push Competitive Pull

INDUSTRY

Enabling Technology Market Requirements

New Approach to FLEXIBLE AUTOMATION (ADVANCED MANUFACTURING TECHNOLOGY)

FLEXIBLE MANUFACTURING SYSTEM (FMS):

In 1960s, market competition became more intense.

During 1960 to 1970 cost was the primary concern.

Later quality became a priority.

As the market became more and more complex, speed of delivery became something customer also needed.

A new strategy was formulated: Customizability.

The companies have to adapt to the environment to be more flexible in their operations and to satisfy different market segments (customizability).

FLEXIBLE MANUFACTURING SYSTEM (FMS):

FMS is a philosophy. "System" is the key word.

Philosophically, incorporates a systematic view of manufacturing. The buzz word for today’s manufacturer is "agility".

An agile manufacturer is one who is the fastest to the market, operates with the lowest total cost and has the greatest ability to "delight" its customers.

FMS is simply one way that manufacturers are able to achieve this agility.

Flexible Manufacturing System:

- “A system that consists of numerous programmable machine tools connected by an automated material handling system” (2)

What Is A Flexible Manufacturing System?

FMS first proposed in England in 1960’s

“System 24” operates 24 hours a day

Automation is main purpose in beginning

History of FMS

FLEXIBILITYFour manufacturing attributes

:cost, time, quality and flexibility

Flexibility is a major competitive factor for the manufacturing industry

To reduce set up and queue timesImprove efficiencyReduce time for product completionUtilize human workers betterImprove product routingProduce a variety of Items under one roofImprove product qualityServe a variety of vendors simultaneouslyProduce more product more quickly

How You Can Use FMS

FMS Layouts

Progressive Layout: Best for producing a variety of parts

Closed Loop Layout: Parts can skip stations for flexibility Used for large part sizes Best for long process times

Nuts and Bolts of FMS

• Ladder Layout:― Parts can be sent to any machine in any sequence― Parts not limited to particular part families

• Open Field Layout:― Most complex FMS layout― Includes several support stations

FMS Layouts Continued

Flexible Automation

Ability to adapt to engineering changes in parts

Increase in number of similar parts produced on the system

Ability to accommodate routing changes

Ability to rapidly change production set up

FLEXIBILITY CONCEPT. DIFFERENT APPROACHES

Today flexibility means to produce reasonably priced customized products of

high quality that can be quickly delivered to customers. .

A manufacturing system is flexible if it is capable of processing a number of

different work-pieces simultaneously and automatically with the machine in the

system being able to accept and carryout the operations on the workpiece in

any sequence.

FLEXIBILITY CONCEPT. DIFFERENT APPROACHES

A flexible manufacturing system consists of a group of processing stations

(Predominantly CNC machine tools) interconnected by means of an automated

material handling and storage system and controlled by an integrated computer

system.

A flexible manufacturing system is a system dealing high level distributed data

processing and automated material flow using computer controlled machines,

assembly cells, industrial robots, inspection machines and so on, together with

computer integrated material handling and storage systems.

Relationship of flexibility with Automation : Higher automation will have less flexibility

Different approaches to flexibility and their meanings

BACKGROUND FOR EVOLUTION OF FMS TECHNOLOGY

To achieve automation To process a variety of workpiece with same system To cope up with small volume production, for 70% of total value of production

in machining industry is in batch production To meet the extremely complex and varied needs of consumers Diversification and sophistication needs are expected to result in further

increases in batch production Response to management demands Means to reduce production cost To reduce labour cost Customer demands for higher quality Trend towards highly educated labour Increasing shortage of skilled labour. .

Problems Addressed by Introduction of FMS

• Medium variety/medium batch production

• Frequent change in products/parts

• Frequent variation in the lot size of workpieces

• Low turnover rate of in-process products

• Most workpieces that can be divided into similar shapes, size and machining

processes (Group Technology)

• More number of setup changes

• Long workpiece processing time

• Machining process to be completed in the same setup.

• Limited factory floor space

Saving in Material Costs, 10-15%

Reduced plant size (floor space) 50-60%

Increased machine utilization 25-30%

Reduced work-in-progress inventory &

Reduced setting up time 45-55%

Unmanned operation during third shift

Quicker response to market changes by

Quicker model change & Delivery, 50-

70%

Consistent accuracy by Standardisation

of technology

Reduction in unit cost, 15-25%

Increase in Operating Profits, 100-300%

Advantages of FMS

COMPONENTS OF FMS

A. Computer Controlled Processing Stations :CNC machine tools (With automatic tool changer)

Inspection stations

Assembly work-heads

Sheet metal presses

B. Automated Material Handling :I) Primary (Transportation) Like AGVs, etc.

II) Secondary (Transfer & Orientation) Like Robots, etc.

D. Computer Control System : to coordinate processing stations and material handling system

C. Automatic Material Storage and Material Retrieval (ASRS)

E. Human ware :

to manage FMS operations :

I) loading raw work parts

II) unloading finished parts

III) changing and setting tools

IV) equipment maintenance and repair

V) NC part programming

VI) Programming & operating the computer system

FLEXBILTY OF FMS (TYPES OF FLEXIBLITY) :

There are three levels of manufacturing flexibility.

(a) Basic flexibilities

(b) System Flexibilities

(c) Aggregate flexibilities

Types of Flexibility (a) Basic flexibilities

Machine flexibility Material Handling

FlexibilityOperation flexibility

(b) System Flexibilities Product flexibility

Routing flexibilityVolume flexibility Production flexibility Process flexibility

(c)Aggregate flexibilities Program flexibility

Production flexibility

Generally two category of flexibility 1)The ability of system to cope with external change 2) The ability of system to cope with internal change

When system gives different flexibilities then important question is which flexibility should I acquire?

Flexibility Measures

Flexibility is defined by Penalty of change. lower the POC higher the flexibility

The value of POC is based on two inputs: penalty for potential change, and

probability of potential change

A Probabilistic Approach to Measure Flexibility

POC = PENALTY x PROBABILITY

If change can be implemented without penalty, then the system has maximum flexibility, and POC is 0. If, on the other hand, change results in a large penalty, then the system is very inflexible, and POC should be high

POC = 0, (Maximum Flexibility System)

POC > 0, (Inflexible System – large penalty)

Consider two types of system A and B for product flexibilityAssume that there is a 70% probability that the next product to

be manufactured will be product 1, and a 30% probability that it will be product 2. System A with only Rs20 in modifications, as opposed to Rs. 50 in modifications for Product 2. System B is a dedicated system which must be completely replaced (at a cost of Rs. 80) in order to accommodate any product change.

EXAMPLE

POCA =Rs. 20 x 70% + Rs. 50 x 30% = Rs. 29 for system A POCB = Rs .80 x 70% + Rs. 80 x 30% = Rs.80 for system B Conclusion :

System – A is Maximum Flexible System

(a) Basic flexibilities

Machine flexibility - the ease with which a machine can process various operations and part types

Measure :

Time to replace worn-out or broken cutting tools

Time to change tools in a tool magazine

Time to assemble or mount the new fixtures

Machine tool setup time – tool preparation – part positioning etc.

How to attain machine flexibility ?

Sophisticated tool-loading and part loading devices (Technological progress)

Minimize tool changes (Proper operation assignment)

Bring the part and required tool together to the machine (Technological capability)

Material handling flexibility - a measure of the ease with which different part types can be transported and properly positioned at the various machine tools in a system

Operation flexibility - a measure of the ease with which alternative operation sequences can be used for processing a part type

Measure :

Ability and extent of not pre-determining the ordering of all operations, each on a particular machine type.

How to attain Operation Flexibility ?

Design a decision system to make decision in real time for determining the next operation and the next machine, depending on the system state (idle busy, bottleneck) of various elements of FMS.

Machine flexibility.

(b) System flexibilities

Volume flexibility - a measure of a system’s capability to be operated

profitably at different volumes of the existing part types

Measure :

Smallest volumes for all part types that allow the system run profitably.

How to attain Volume Flexibility :

Multipurpose machine - Layout not dedicated to a particular process

Sophisticated, automated materials handling system (i.e intelligent carts (not

fixed route conveyors))

Routing flexibility..


Expansion flexibility - the ability to build a system and expand it

incrementally

Measure : how large the FMS can become

How to attain Expansion Flexibility ?

Non-dedicated, non-process driven layout

Flexible materials handling system (i.e wire guided carts)

Modular, flexible machining cells with pallet charges - Routing flexibility.


Routing flexibility - a measure of the alternative paths that a part can

effectively follow through a system for a given process plan – ability to handle

breakdowns (machine, tools, etc.) – either a part type can be processes via-

several routes or equivalently, each operation can be performed on more

than one machine.

Measure : robustness of FMS – Continuity of production.

How to attain Routing Flexibility ?

Allowing automated and automatic rerouting of parts

Pooling machines into machine groups - Duplicating operation assignments


Process flexibility - a measure of the volume of the set of part types that a

system can produce without incurring any setup – ability to produce a given

set of part types in several ways

Measure : the number of part types that can be simultaneously processed

without using batches.

How to attain process flexibility ?

Machine flexibility

Multi-purpose, adaptable, CNC machining centers.


Product flexibility - the volume of the set of part types that can be

manufactured in a system with minor setup – ability to change over to a new

set of products economically and quickly. (design-change flexibility).

Measure : the time required to switch from one part mix to another.

How to attain Product Flexibility ?

An efficient and automated production planning and control system

containing automatic operation assignment procedures, automatic pallet

distribution calculation capability

Machine flexibility.

(c) Aggregate flexibilities

Production flexibility - the volume of the set of part types that a system can

produce without major investment in capital equipment – the universe of part

types that the FMS can produce.

Measure : level of existing technology

How to attain Production Flexibility ?

Increase the level of technology

All previous flexibilities.

Program flexibility - the ability of a system to run for reasonably long periods without external intervention

Market flexibility - the ability of a system to efficiently adapt to changing market conditions

Hierarchical Structure of Flexibility Types

A Production system has three sets of components :

a) A set of tools and equipment for processing materials (Machine, Tools,

Assembly machines etc.)

b) A set of means for moving materials from one equipment/tool to another

(material handling equipments)

c) A set of means for controlling and monitoring the actions of tools/equipment

and the movement of material (i.e control system).

Hierarchical Structure of Flexibility Types

There are two basic types of flexibilities :

• Machine flexibility that determines product, process and operation flexibility.

• Routing flexibility that determines volume and expandability.

For analysis purpose there are three necessary levels :

a) component level

b) operation level

c) system level

The relationships between the different flexibilities are given below. The arrows signify “necessary for” an ideal FMS would possess all of the defined flexibilities.

MACHINE FLEXIBILITY

PRODUCT FLEXIBILITYPROCESS FLEXIBILITYOPERATION FLEXIBILITY

ROUTING FLEXIBILITY

VOLUME FLEXIBILITYEXPANSION FLEXIBILITY

PRODUCTION FLEXIBILITY

Time Frame, Incentives and Flexibility:

a) Very short term – within the lead times in which a vendor could change delivery schedule, assuming adequate flexibility to react quickly, typically one to three days.

b) Short term – within the lead time of engineering change or revisions to manufacturing process, typically one to two months.

c) Medium term – within the lead time to redesign products or procure new manufacturing equipment, typically six months to two years.

d) Long term – within the lead times needed to develop new markets or to design and build new factories, potentiality five or more years.

Time Frame, Incentives and Flexibility:

Some of the incentives for making a manufacturing system flexible are :

a) Insurance – protection against, uncontrollable variables such as breakdown, poor supplier performance, uncertainty of market demand, advances in technology and actions of competitors.

b) Economics – the most economical method of production considering competitive norms for the industry market variability and production requirements.

c) Strategy – a manifestation of basic business strategy such as high product variety of response to competitive innovations.

Machine FlexibilityTime Frame – Very short to medium term

Incentive – Insurance, economics or strategy

Prime goals – Provide routing, mix or production flexibility.

Routing FlexibilityTime Frame – Very short term

Incentive – Insurance

Prime goals – Assure dependable production

Production FlexibilityTime Frame – Medium term

Incentive – Strategy

Prime goals – Minimise implementation time for new products or major modifications or existing products.

DIFFERENT FMSs LEVELS

Flexible Manufacturing Module (FMM). Example : a NC machine, a pallet

changer and a part buffer;

Flexible Manufacturing (Assembly) Cell (F(M/A)C). Example : Four FMMs

and an AGV (automated guided vehicle);

Flexible Manufacturing Group (FMG). Example : Two FMCs, a FMM and two

AGVs which will transport parts from a Part Loading area, through machines, to

a Part Unloading Area;

Flexible Production Systems (FPS). Example : A FMG and a FAC, two AGVs,

an Automated Tool Storage, and an Automated Part/assembly Storage;

Flexible Manufacturing Line (FML). Example : multiple stations in a line

layout and AGVs.

VARIETYL H

L

H

VOLUME

Stand Alone NC

FMM

FMC

FMS

FMG

Transfer Line

Globalization of markets has put tremendous pressure on manufacturing enterprises to be competitive.

To cope with competitive pressures, a new paradigm in manufacturing known as AGILE MANUFACTURING is emerging.

AGILE MANUFACTURING

The objective of agile manufacturing is to enable manufacturing enterprises to be competitive by dynamically reconfiguring software, equipment and organization structures.

AGILE MANUFACTURING

Agility is the ability to grow and succeed in an environment of constant and unpredictable changes.

In recent years, the manufacturing paradigm has been changing from mass production to agile manufacturing.

AGILE MANUFACTURING

The reasons of this trend change are:• The strength of global competition is

increasing;• Mass markets are fragmenting to niche

markets;• Customers expect low volume, high

quality;• Short product life-cycles, development

AGILE MANUFACTURING

Greater product customization Rapid introduction of new or modified

product Advanced interenterpise networking

technology Upgradable products Increased emphasis on knowledgeable,

highly trained workers Interactive customer relationship

CHARACTERISTICS OF AGILE MANUFACTURING:

Dynamic reconfiguration of production processes

Greater use of flexible production technologies

Rapid prototypingAn open systems information environmentInnovative and flexible management

structuresProduct pricing based on value to the

customerCommitment to the bening operations and

product designs

CHARACTERISTICS OF AGILE MANUFACTURING:

INTELLIGENT MANUFACTURING SYSTEM (IMS):

IMS, takes care of date of intellectual activities in the manufacturing and use of

them to better fuse, men and intelligent machines in the integration of the entire

range of corporate activities like

– from order booking through design, production and marketing

– in a flexible manner, leads to optimum productivity.

An IMS plant of future will deal with global communications and operations to

enjoy the benefits of maximum productive flexibility.

ARTIFICIAL INTELLIGENCE (AI) :

AI generally relates to the attempt to use computer programming to model the behavioral aspects of human mind, thinking, learning and problem solving.

Application of AI in Manufacturing :

• Sensor Interpretation and integration – Visual perception and guidance• Operation of machines and complex system – Knowledge Management • Human interaction – Fault diagnosis and repair.

AI to Optimize CIM Plant :

True CIM system can not really be accomplished without AI because too many external factors influence the internal processes of CIM. True CIM system can be affected only when the routine human decision making processes are eliminated.

RAPID PROTOTYPING (RP):

• 80% of the quality of a product is created in the development phase.

• 70% of the cost of production is decided in the development phase.

• 6 months delay in introducing a product to the market can result in a loss of profit over the product’s lifetime of over 30% to 50%.

Product development phase is vital for the competitive position of industry.

RP constitute an important part of the “Time Compression Technology”

approach to product design and developments.

RP is a technique in which physical models are fully created from materials, provided in various forms, completely under control of solid model data created within CAD.

RAPID PROTOTYPING (RP):

RP Technologies

•Stereolithography

• Laminated Object Manufacturing

•Selective Laser Sintering, etc…

ADVANTAGES of RP :

Strategic Advantages :• Time and cost saving in prototype production – Reduce time to market• Enable rapid implementation of design and development changes• Enhanced product improvement, customisation and innovations.

Production Advantages :• Integration with CAD/CAM environments• Rapid production of test prototype• Integrated production of tools.

Decision Making Advantages :• Verification of design, manufacturing process and plans for production• Verification of tool design and production• Improved communication with customers and suppliers.

IMS, AI and RP are ADDON to C.I.M.

Major CAM-CIM, Facilities at S.V.N.I.T., SURAT

CNC – Lathe (Stand alone)CNC – Milling (Stand alone)CMM – Coordinate Measuring MachineC.I.M Consists of

CNC Lathe, CNC Milling, Robots, ASRS, AGV, Vision Inspection and Assembly Station,

Fanuc – Virtual Industrial Controller (Lathe & Milling)UniGraphics – CAD/CAM

MasterCAMEXSL – Win – CNC, Virtual Reality SoftwareMSM - FMS, Virtual Reality Software

REFERENCES :

Mikell P. Groover – “Automation, Production systems and Computer-Integrated Manufacturing”, 1987

Mikell P. Groover & E.W. Zimmers – “CAD/CAM”,1984

Surender Kumar & A.K. Jha – Technology of Computer_ Aided Design and Manufacturing

P. Radhakrishnan & S. Subramanyan – “CAD,CAM, CIM”,1995.

Rao, P.N., Tewari, N. K.- Computer Aided Manufacturing”, Tata McGraw Hill, 1991.

Prof. Kripashankar – Flexible Manufacturing System – lecture note, I.I.T. kanpur.

S.G. Deshmukh & P. Venkateswara Rao, “Proceeding of the SERC School on Advanced Manufacturing Technology”, Nov, 2-14, 1998, I.I.T., Delhi.

Thank you

Contact Details :

Email : [email protected] : 0261-2223371..74 (4 lines) ext. 1694, 1640, 1692

0261-2201640, 2201694 09824400337 (Cell)

Address : Dr. H. K. Raval Professor, Mechanical Engineering Department S.V. National Institute of Technology, SURAT 395 007.