Computer-integrated manufacturing ppt

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CIM

Method of Manufacturing and the name of a computer-automated system .

It is the manufacturing approach of using computers to

control the entire production process. The complete automation of a manufacturing plant, with

all processes functioning under computer control and digital information tying them together.

CIM Objectivesy Simplify production processes and product designs. y Automates production processes with computers,

machines, and robotsy Integrate all production and support processes using

computer networks and other information technologiesy The primary objectives of CIM are to improve service to

customers, increase flexibility, boost productivity and sustain profitable operations.

Benefitsy y y y y y y y y

Improved customer service Improved quality Shorter time to market with new products Shorter flow time Greater flexibility and responsiveness Improved competitiveness Lower total cost Shorter customer lead time Increase in manufacturing productivity

Subsystems in CIM operationy Computer-aided design( CAD)

Use of computer technology for the process of design and design-documentation. FIG: CAD model of a computer mouse Computer-aided manufacturing ( CAM)

Use of computer software to control machine tools and related machinery in the manufacturing of work pieces.

Key Issuesy Equipment incompatibility and difficulty of integration of

protocols.y Integrating different brand equipment controllers with

robots, conveyors and supervisory controllers is a timeconsuming task with a lot of pitfalls.y Large investment and time required for software,

hardware, communications, and integration cannot be financially justified easily.

Vertical Integrationy Vertical integration is typified by one firm engaged in

different parts of production (e.g. growing raw materials, manufacturing, transporting, marketing, and/or retailing).y Nineteenth century steel tycoon Andrew

Carnegie introduced the concept and use of vertical integration. This led other businesspeople to use the system to promote better financial growth and efficiency in their businesses

Advantagesy Lower transaction cost: due to inter transactions

between subsidiary companies. y High certainty of Quality: since the subsidiary companies have a common quality control system . y Ability to monopolies the market:This type of situation will start from the production of raw materials all the way to production, then distribution. This will assist the company to control all the lines of business as such controlling Entrants to the same business - hence control against competition.

Disadvantagey Higher Monitory and Organizational Costs. This can be brought about by a company having a big organizational structure which leads to higher cost for managing such a structure.

3 types of Vertical integrationy A company exhibits backward vertical integration when it controls subsidiaries that produce some of the inputs used in the production of its products.

Example- Automobile-Tire , glass & metal companyy A company tends toward forward vertical integration when it controls distribution centers and retailers where its products are sold. y Ex- Reliance y Balanced vertical integration means a firm controls all of these components, from raw materials to final delivery. y Ex- Tata

Examplesy Carnegie Steel company.The company controlled not only the mills where the steel was made, but also the mines where the iron ore was extracted, the coal mines that supplied the coal, the ships that transported the iron ore and the railroads that transported the coal to the factory,

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