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Computer-integrated manufacturing


Computer-integrated manufacturing (CIM) is the manufacturing approach of using computers to control the entire production process. This integration allows individual processes to exchange information with each other and initiate actions. Although manufacturing can be faster and less error-prone by the integration of computers, the main advantage is the ability to create automated manufacturing processes. Typically CIM relies on closed-loop control processes, based on real-time input from sensors. It is also known as flexible design and manufacturing.

Computer-integrated manufacturing is used in automotive, aviation, space, and ship building industries. The term "computer-integrated manufacturing" is both a method of manufacturing and the name of a computer-automated system in which individual engineering, production, marketing, and support functions of a manufacturing enterprise are organized. In a CIM system functional areas such as design, analysis, planning, purchasing, cost accounting, inventory control, and distribution are linked through the computer with factory floor functions such as materials handling and management, providing direct control and monitoring of all the operations.

As a method of manufacturing, three components distinguish CIM from other manufacturing methodologies:

CIM is an example of the implementation of information and communication technologies (ICTs) in manufacturing.

CIM implies that there are at least two computers exchanging information, e.g. the controller of an arm robot and a micro-controller of a CNC machine.



"CIM is the integration of total manufacturing enterprise by using integrated systems and data communication coupled with new managerial philosophies that improve organizational and personnel efficiency." ERHUM
  • Means for data storage, retrieval, manipulation and presentation;
  • Mechanisms for sensing state and modifying processes;
  • Algorithms for uniting the data processing component with the sensor/modification component.
  • Integration of components from different suppliers: When different machines, such as CNC, conveyors and robots, are using different (In the case of AGVs, even differing lengths of time for charging the batteries) may cause problems.
  • Data integrity: The higher the degree of automation, the more critical is the integrity of the data used to control the machines. While the CIM system saves on labor of operating the machines, it requires extra human labor in ensuring that there are proper safeguards for the data signals that are used to control the machines.
  • Process control: Computers may be used to assist the human operators of the manufacturing facility, but there must always be a competent engineer on hand to handle circumstances which could not be foreseen by the designers of the control software.
  • The CIMOSA Enterprise Modeling Framework, which provides a reference architecture for enterprise architecture
  • CIMOSA IIS, a standard for physical and application integration.
  • CIMOSA Systems Life Cycle, is a life cycle model for CIM development and deployment.
  • Inputs to standardization, basics for international standard development.
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Wikipedia

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