Advanced Fixture Design for FMS by A.Y.C. Nee, K. Whybrew, A. Senthil kumar

By A.Y.C. Nee, K. Whybrew, A. Senthil kumar

Fixtures are the most important to new production suggestions and mostly dictate the extent of suppleness a producing procedure can in attaining. Advanced Fixture layout for FMS offers a scientific foundation for the choice and layout of fixturing platforms. It provides a evaluate of the present state-of-the-art of versatile and reconfigurable fixturing platforms. contemporary advancements in layout technique utilizing CAD are analysed extensive. Fixture layout is obvious as an inseparable a part of approach making plans. the first target of a fixture procedure is to make sure that the half being synthetic may be made continually in the tolerance laid out in the layout. a brand new approach to tolerance research is used to ascertain the suitability of place surfaces and the series of operations and is defined in detail.

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05mm. 05mm. The final dimension for AB is the balance dimension AB and satisfies the design specification. 10 which does not satisfy the design specification. The tolerance on BC is a stack of the tolerances of two other dimensions. Clearly it is not possible to manufacture the workpiece in this way. In the previous paragraph care was taken to distinguish between different types of dimension relating to the manufacturing process. This distinction is important in tolerance analysis and the different dimensions are defmed below.

Handbook of jig and fixture design, 2nd edn. Society of Manufacturing Engineers, Dearborn, Mich, 1989 13 Henriksen EK. Jig and fIxture design manual. 1 Manufacturing Tolerance Stacks A sequence of machining operations involves a series of set-ups for holding and locating the workpiece while it is being machined so that the required design specifications can be economically achieved. To this end the sequence of machining operations and the selection of location surfaces must be based on the practicality of locating and holding the workpiece and on the dimensional relationships between machined features of the part.

Parametric retrieval can be used for detail design of fIXture components, locators, clamps and supports and in some circumstances the fIXture body. A typical application of parametric retrieval is design of simple components such as clamps. A parametrically defmed clamp is retrieved from a library of standard components and modified to suit the particular application. 5 Algorithms and Analysis Tools Some parts of the design procedure can be formulated as algorithms and simple equations that can be used to analyse the design outcomes.

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