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Computer Aided Production Planning And Control Pdf

computer aided production planning and control pdf

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As the design process is supported by many computer-aided tools, computer-aided process planning CAPP has evolved to simplify and improve process planning and achieve more effective use of manufacturing resources.

With ever-shorter lead times and increasing price pressure, the challenges of make-to-order manufacturing and complex variant management are loud and clear. To compete, mid-sized companies must optimize their production processes. It enables efficiency, coordination, and the leveraging of production-related data to drive improvement.

Computer-aided manufacturing

Computers were first used in manufacturing firms around Since then, their impact on manufacturing has been of mixed results. In some instances, they have greatly improved the work done in the factories, especially in the area of computer controlled robots; while in other aspects of manufacturing, the results have been far below the desired standards. Inventory control and production scheduling are two examples of where computers have not lived up to management's expectations Wright, Rushinek, S.

Bill of material file Component item number Parent item number Quantity per parent Unit of measure Point of usage Parent operation number Scrap allowance Current engineering change number. Standard labor run time per piece Standard machine run time per piece Interoperation time Overlap pieces or hours Number of machines for split operation Shrinkage Alternate option number. Work center file Work center number Description Location Department number Number of machines Number of workers Work center efficiency Work center utilization Number of hours per shift Number of shifts Maximum daily hours Machine rate Labor rate Overhead rate Setup rate Queue time Wait time For each machine in work center: Machine number Machine description Last preventive maintenance date Next preventive maintenance date. Tool file Tool number Description Status in use, available, being repaired Number of tools Serial number Storage location Current assignment work center, order number Usage code Accumulated use since last repair Estimated tool life Date of last tool repair. Reduction in work-in-process Reduction in past-due orders. This includes the discipline to maintain accurate stock records, the discipline to report accurately and in good time the completion of jobs and orders and to report to the system every event that MRP should be aware of.

Integrated Quality Control Planning in Computer-Aided Manufacturing Planning

Computer-aided manufacturing CAM also known as Computer-aided Modeling or Computer-aided Machining [1] [2] [3] is the use of software to control machine tools and related ones in the manufacturing of work pieces. CAM leverages both the value of the most skilled manufacturing professionals through advanced productivity tools, while building the skills of new professionals through visualization, simulation and optimization tools. The numerical control can be applied to machining tools, or more recently to 3D printers. Historically, CAM software was seen to have several shortcomings that necessitated an overly high level of involvement by skilled CNC machinists. Fallows created the first CAD software but this had severe shortcomings and was promptly taken back into the developing stage. In some cases, such as improperly set up CAM software or specific tools, the CNC machine required manual editing before the program will run properly. None of these issues were so insurmountable that a thoughtful engineer or skilled machine operator could not overcome for prototyping or small production runs; G-Code is a simple language.

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ERP Production Planning & Control

Computer-aided process planning

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