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near-net shape forging

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040319
EISBN: 978-1-62708-300-3
... Abstract This chapter defines near-net shape forging as the process of forging parts close to their final dimensions such that little machining or only grinding is required as a final step. It then describes the causes of dimensional variations in forging, including die deflection, press...
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Published: 01 September 2005
Fig. 10 Material/weight savings using the near-net shape forging process. The large spur gear weighs 25 kg (55 lb) as a blank (left side). As a forged tooth gear (right side) with 1 mm (0.04 in.) of stock allowance on the tooth profile for finish machining, it weighs 17 kg (37 lb). Source More
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Published: 01 September 2005
Fig. 11 Fatigue data for (a) cut gears and (b) near-net shape forged gears. Source: Ref 8 More
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Published: 01 September 2005
Fig. 12 Examples of near-net shape forged gears. (a) Spiral bevel gear with a 0.5 mm (0.02 in.) stock allowance developed for use on gears with a DP less than 7. (b) Coarse-pitch (less than 5 DP) spur gear with a stock allowance of 1 to 2 mm (0.04 to 0.80 in.). Source: Presrite Corporation More
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Published: 01 February 2005
Fig. 23.2 Factors influencing the quality of near-net shape forged components. FE, finite element [ Meidert et al., 2000 ] More
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Published: 01 September 2005
Fig. 8 Near-net shape cluster gear made by high-energy rate forging. Dimensions are given in inches. More
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Published: 01 September 2005
Fig. 9 Near-net shape automotive flywheel made by high-energy rate forging. Dimensions are given in inches. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250129
EISBN: 978-1-62708-345-4
... in inches. Fig. 8 Near-net shape cluster gear made by high-energy rate forging. Dimensions are given in inches. Fig. 10 Material/weight savings using the near-net shape forging process. The large spur gear weighs 25 kg (55 lb) as a blank (left side). As a forged tooth gear (right side...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040257
EISBN: 978-1-62708-300-3
... Abstract This chapter discusses the processes of isothermal and hot-die forging and their use in producing aerospace components. It explains how isothermal forging was developed to provide a near-net shape component geometry and well-controlled microstructures and properties with accurate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230295
EISBN: 978-1-62708-298-3
.... beryllium extrusion forging formability forming rolling spinning wire drawing THIS CHAPTER COVERS various metalworking methods used to manufacture a beryllium product, including rolling, forming, forging, extrusion, wire drawing, spinning, and near-net shape forming. The method normally used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040007
EISBN: 978-1-62708-300-3
... temperature. Equipment Hydraulic presses. Materials Titanium alloys, aluminum alloys. Process Variations Closed-die forging with or without flash, P/M forging. Application Net- and near-net shape forgings for the aircraft industry. 2.3.9 Open-Die Forging...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740103
EISBN: 978-1-62708-308-9
... in this chapter. Forging During forging, large compressive forces are used to deform the metal into a new shape. There are two main reasons for forging: forging is a major method of producing semifinished or near-net shapes, and forging improves the properties and homogeneity of the microstructure...
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Published: 01 September 2008
Fig. 3 Kuehmann et al. flow chart to summarize design elements of a carburizing process/metallurgical structure/resulting properties and performance comparison of gas carburizing gears produced by conventional forging, near-net shape casting, and powder metal processing More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240279
EISBN: 978-1-62708-251-8
... the properties and homogeneity of the microstructure; therefore, forging is often used to prepare cast ingots for other bulk deformation processes, such as hot rolling; and (2) forging is also a major method of producing semifinished or near-net shapes. Forging processes can be described as open-die forging...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040237
EISBN: 978-1-62708-300-3
... and other metal-removal processes. Microforming is a potential process for mass production of net shape/near-net shape microcomponents. However, for microforming to be cost-effective and competitive, a comprehensive knowledge pertaining to the following factors is needed: scale effects/microplasticity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040001
EISBN: 978-1-62708-300-3
... . Selected References Selected References [Altan, 2002] Altan T. , “ Short Course on Near Net Shape Cold, Warm and Hot Forging Without Flash ,” Engineering Research Center for Net Shape Manufacturing, The Ohio State University , 2002 . [Kalpakjian et al., 2001] Kalpakjian S...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280117
EISBN: 978-1-62708-267-9
... of the reduced force requirements and to produce desired close-tolerance forgings. Near-net shapes are also made by HIP. Although P/M alloys cost more than conventional wrought alloys, they have allowed designers to design to higher creep strength and tensile capability while maintaining the expected cyclic...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.tb.atia.t59340165
EISBN: 978-1-62708-427-7
... done by forging at high temperatures on large mechanical or hydraulic presses, heat treatment, quenching, and aging to the final temper. Forging at room temperature is possible, but limited to small parts and/or soft alloys. The near-net shape of forgings helps reduce cost for machining and subsequent...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.9781627083003
EISBN: 978-1-62708-300-3
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120033
EISBN: 978-1-62708-269-3
... techniques. Precision forging produces a product form that requires much less machining to achieve final dimensions of the component. Precision-forged titanium is a significant factor in titanium usage in the aircraft and gas turbine engine fields. Most precision-forged titanium is produced as near-net shape...