By Mikell P. Groover
*For complex undergraduate/ *graduate-level classes in Automation, construction structures, and Computer-Integrated production. This exploration of the technical and engineering facets of computerized construction structures presents the main complex, complete, and balanced assurance of the topic of any textual content out there. It covers all of the significant state-of-the-art applied sciences of creation automation and fabric dealing with, and the way those applied sciences are used to build glossy production structures.
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Extra resources for Automation, Production Systems, and Computer-Integrated Manufacturing (2nd Edition)
13) where R, =- operation cycle rate of the machine (pc/hr), and T, = operation cycle time (min/pc). For flow line mass production, the production rate approximates the cycle rate of the production line, again neglecting setup lime. However, the operation of production lines is complicated by the interdependence of the workstations on the line. One complication is that it is usually impossible to divide the total work equally among all of the workstations on the line; therefore, one station ends up with the longest operation time, and this station sets the pace for the entire line.
These time proportions provide evidence of the significance of material handling and storage in a typical factory. Inspection and Test. Inspection and test are quality control activities. The pur, pose of inspection is to determine whether the manufactured product meets the established design standards and specifications. For example, inspection examines whether the actual dimensions of a mechanical part are within the tolerances indicated on the engineering drawing for the part. Testing is generally concerned with the functional specifications of the final product rather than with the Individual parts that go into the product.
It adds value by changing the geometry. properties, or appearance of the starting material. In general, processing operations arc performed on discrete workparts, but some processing operations are also applicable to assembled items, for example. painting a welded sheet metal car body. An assembly operation joins two or more components to create a new entity. which is called an assembly. subassembly, or some other term that refers to the specific joining process. Processing Operations. A processing operation uses energy to alter a workpart's shape, physical properties, or appearance to add value to the material.