Manufacturing processes maps

Initially, knowledge of the chosen manufacturing process is required. If the type of material is stated on the process capability map, assume m =1, otherwise proceed to A. 

Using the process capabiiity map for the manufacturing process in question, seiect the appropriate vaiue of A from the map corresponding to the adjusted toierance and associated characteristic dimension. 

The data used to generate the maps is taken from a simple statistical analysis of the manufacturing process and is based on an assumption that the result will follow a Normal distribution. A number of component characteristics (for example, a length or diameter) are measured and the achievable tolerance at different conformance levels is calculated. This is repeated at different characteristic sizes to build up a relationship between the characteristic dimension and achievable tolerance for the manufacture process. Both the material and geometry of the component to be manufactured are considered to be ideal, that is, the material properties are in specification, and there are no geometric features that create excessive variability or which are on the limit of processing feasibility. Standard practices should be used when manufacturing the test components and it is recommended that a number of different operators contribute to the results. 

The measures of dimensional variability from Conformability Analysis (CA) (as described in Chapters 2 and 3), specifically the Component Manufacturing Variability Risk, q, is useful in the allocation of tolerances and subsequent analysis of their distributions in probabilistic design. The value is determined from process capability maps for the manufacturing process and knowledge of the component s material and geometry compatibility with the process. In the specific case to the th component bilateral tolerance, it was shown in Chapter 3 that the standard deviation estimates were ... 

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How should the vast oceans of a manufacturing process be mapped How should factors that cause variability be separated from those that do not How should data for validation be collected in the most scientific and cost-effective way ... 

Define tasks and workflows Query the manufacturing administrator about the specifics of their business processes, map individual tasks to users across organizations, applications, and systems, and assist in developing specialized workflow models and decision support models. Then automatically configure the ERP workflow/task models, decision support invocations, and report formats. 

MAS can be described from three different aspects structural description, function description, and process description. Structural description defines the hardware and the software system associated with the production processes. Function description defines the MAS using a number of functions that combine to finish the task of transforming raw material into products. The input-output mapping presented by every function is associated with a production activity of the MAS. Process description defines the MAS using a series of processes covering every activity in the manufacturing process. 

The storage and granulating properties of MAP are affected by the various manufacturing processes used [30,31]- Better properties of the product made by the lower temperature process (SAI process) were attributed to precipitation of impurities in a gelatinous form that coated the MAP crystals. 

Figure 8.55 Mapping across a pharmaceutical tablet allows a buried steel particle to be visualized and identified. Contaminants such as this can be introduced from the manufacturing process and are typically caused by wear debris from mechanical mixing/compressing equipment. ( 2013 HORIBA Scientific, www.horiba.com/scientific. All rights reserved.)...

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