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Near net-shape processing

Sand Casting. Sand casting is the most popular method of molding for cast copper alloys. It is the least expensive near net shape process, and pattern costs are low. Dimensional tolerance capabiUties vary widely and are the least accurate when compared with other methods of casting. [Pg.244]

Near-Net-Shape Processes Parts Examples of Applications 575... [Pg.562]

Special Applications NEAR-NET-SHAPE MANUFACTURING EXAMPLES 568 3.6.1. Thixoforging 3.6.2. Near-Net-Shape Processes for 584... [Pg.562]

Figure 2 Preconditions for Developing Near-Net-Shape Processes. Figure 2 Preconditions for Developing Near-Net-Shape Processes.
Modified knee presses up to a nominal force of 6300 kN are employed to extrude the valve tappets. The output capacity is 25-40 parts per minute. As a result of the near-net-shape process, the material is utilized to a higher extent—about 80%. The sizes of slot width and hole diameter are delivered at an accuracy ready for installation, whereas the outer diameter is pressed at IT quality 9-10 ready for grinding. The number of process steps and part manufacturing time were reduced. [Pg.576]

Near-net-shape processes for prototyping and smaU-batch production by means of rapid prototyping techniques can be characterised by the process chains listed in Figure 28. [Pg.586]

Figure 28 Near-Net-Shape Process Chain for Producing Prototypes and Small Series by Means of Generic Manufacturing Techniques (RP techniques). Figure 28 Near-Net-Shape Process Chain for Producing Prototypes and Small Series by Means of Generic Manufacturing Techniques (RP techniques).
A part from EDM, a near net shaping process is very important when the final purpose is the obtainment of a complex geometry, and above all, complex porous architectures. Several techniques are available to realize ceramics with complex shape and/or tailored porous architecture and they are all based on ceramic colloidal processes (Lewis, 2000). Furthermore, water based near net-shaping is of major interest among the wet-based forming processes being more environmental friendly and low cost. [Pg.254]

Lost wax casting of karat golds is a complex, near-net shape process consisting of many steps [4,5] ... [Pg.194]

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See also in sourсe #XX -- [ Pg.703 ]



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Near net shaping

Near-net-shape

Net shape processes

Net shaping

Shaping process

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