Download Process and Operation Planning: Revised Edition of The by Gideon Halevi (auth.) PDF

By Gideon Halevi (auth.)

Process making plans detennines how a product is to be synthetic and is for this reason a key aspect within the production procedure. It performs a big half in detennining the price of parts and impacts all manufacturing facility actions, corporation competitiveness, construction making plans, creation potency and product caliber. it's a an important hyperlink among layout and production. inspite of the significance of technique making plans within the production cycle, there isn't any fonnal method that are used, or may help to coach group of workers for this activity. procedure making plans actions are predominantly exertions extensive, reckoning on the event and the ability and instinct of the planner, and hence usually precludes an intensive research and optimization of the method plan which just about constantly ends up in greater than important creation charges, delays, blunders and non-standardization of approaches. method making plans is thought of as an artwork and never a technological know-how. study within the box of approach making plans has indicated that each one specialists have their very own services and one expert's event can be diverse from that of one other. it's infrequent, consequently, for 2 planners to supply an identical technique. every one approach will produce the half as designated, even supposing various procedures will bring about diverse processing instances and prices. The query is, who's a professional? by way of definition knowledgeable is one 'having or manifesting the data, ability and event wanted for achievement in a selected box or endeavor', or 'one who has got designated ability in or wisdom and mastery of something'.

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Additional info for Process and Operation Planning: Revised Edition of The Principles of Process Planning: A Logical Approach

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It is essential to know all intended variations at the outset of the design in order to prevent major problems in assembly. If product variations are unavoidable, then as many components as possible should be made common to all product variants. These common components should contain all features, where, possible, that are used on each product variant, even to the extent of incorporating redundancy. Minimizing the number of product design and consequently part designs will mean that fewer parts feeders will be require.

There are specific rules to follow when designing a part to be produced by this technique. Intricate shapes cannot be produced, and complicated dies may be required for some parts that appear suitable for this technique. Some materials, such as hard metals, can only be produced by sintering because of their refractory properties. (a) (b) (c) (d) (8) Figure 3. Dies for drop-forging (I) 46 CHAPTER 3 Figure 4. Cold drawing. E o F H K G J l N Figure 5. Standard bending dies used on brake press 47 PROCESS PLANNING AND DESIGN Form fastened to spindle in Follower fastened headstock to tallstock Steps in SDiJ1ni~,o----- Figure 6.

1987, pp. 640-658. Del Gandio I. s. , (1988), A Formal Approach to Specifying Assembly Operations, J. Machine Tools Manufacturing, Vol. 3, pp. B. , (1980); Assembly Automation- past, present and future, Assembly Automation I , Nov. , Baumann M. , (1991); Assembly-Oriented design process, Computers in Industry 17, pp. , Lee, K. , (1987); Automatic Assembling Procedure Generation from Mating Conditions, Compo AidedDesign, Vol. 19, No. l,pp. 3-10. , Lenz, E. R. , (1988); A Knowledge-Based Solution to the Design for Assembly Problem, Manufacturing Review, Vol.

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