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draft forging process

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Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004034
EISBN: 978-1-62708-185-6
... on web extremities when the parting line is in the forging plane and when it is oblique to the forging plane. Dimensions given in inches. Fig. 8 Relation of draft to forging material and process. (a) Conventional stainless steel forging with draft. (b) Aluminum alloy no-draft forging...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004037
EISBN: 978-1-62708-185-6
... examples, with illustrations of parting line locations, accompanied by tables of design parameters. anisotropy cylindrical forgings draft forging process forging design grain flow parting line CONTROL OF GRAIN FLOW is one of the major advantages of shaping metal parts by rolling, forging, or...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003998
EISBN: 978-1-62708-185-6
... magnesium alloy ZK60A shown in the (a) as-forged and (b) forged and finish machined conditions Abstract This article discusses the forging processes and equipment and forging practice associated with the forging of magnesium alloys. It describes the workability of magnesium alloys. The article...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003183
EISBN: 978-1-62708-199-3
...-type, and multiple-ram). It further discusses the technologies used in the design of dies, terminology, and materials selection for dies for the most common hot-forging processes, particularly those using vertical presses, hammers, and horizontal forging machines. A brief section is included on...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006493
EISBN: 978-1-62708-207-5
...-die forgings if an applied draft of approximately 5 to 7° can be tolerated. Hammers are frequently used as a preliminary operation for subsequent closed-die forging by other forging processes, and for some products, such as forged aluminum propellers, power-assisted hammers are the optimal forging...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009005
EISBN: 978-1-62708-185-6
... … 17-7PH (stainless steel) … 6 … … 10 … A286 (superalloy) … 6 … … 10 … Ti-6Al-4V … 6 … … 8 … Unalloyed molybdenum … 10 … … 10 … (a) Values listed are for rib-web forgings with 7° draft and standard fillet and corner radii. Source: Ref 2 Table 4...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003988
EISBN: 978-1-62708-185-6
.... Source: Ref 59 Fig. 13 Influence of process variables on residual porosity in critical corner areas of a powder forged gear tooth. (a) Powder forged gear; D1 and D2 are average densities in grams per cubic centimeter. (b) Preform temperature at a forging pressure of 1000 MPa (145 ksi). (c...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004000
EISBN: 978-1-62708-185-6
... affecting forgeability. It describes the forging techniques, equipment, and common processing elements associated with titanium alloy forging. The processing elements include the preparation of forging stock, preheating of the stock, die heating, lubrication, forging process, trimming and repair, cleaning...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004040
EISBN: 978-1-62708-185-6
... punchout holes in a (a) flat web, (b) fully machined holes, and (c) a partially forged hole opened by flat-back machining. Dimensions given in inches Abstract Machining serves as a more specialized supplement to the forging process, particularly in the formation of cavities and holes. This article...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003978
EISBN: 978-1-62708-185-6
... develop processes for new products and to improve existing manufacturing techniques for better economical processes in various types of open-die forgings. In blocking, such parameters as die width, die configuration, die overlapping, die staggering ingot shape, temperature gradient, and draft design can...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003986
EISBN: 978-1-62708-185-6
... precision forging, will significantly reduce the amount of scale formed during heating. Trimming can be used to further increase the precision of the forging. In some cases, the forging draft can be removed and corner radii improved. However, the trimming process can also deform the workpiece and thereby...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003184
EISBN: 978-1-62708-199-3
... Abstract This article reviews specific processing characteristics and forging-related properties of commonly forged families of metals and alloys, including carbon and alloy steels, stainless steels, heat-resistant alloys (iron, cobalt, and nickel base alloys), aluminum alloys, copper and...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003993
EISBN: 978-1-62708-185-6
... Abstract This article provides a discussion on forging methods, melting procedures, forging equipment, forging practices, grain refinement, and critical factors considered in forging process. It describes the different types of solid-solution-strengthened and precipitation-strengthened...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004033
EISBN: 978-1-62708-185-6
... following examples of actual forgings deal primarily with corners and fillets. In addition to a discussion of forging design, the examples include information on the alloy, the size (plan area) and weight of the forging, its processing and equipment, and design details for parting line, draft, ribs, webs...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003997
EISBN: 978-1-62708-185-6
..., value is double of that given. Source: Ref 1 , p 229 Table 3 Relation of draft angle to draft for minimum-draft forgings Draft angle, degrees Draft, in./in. Total taper on diameter, in./in. 1 8 0.00219 0.00438 1 4 0.00436 0.00872 1 2...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004036
EISBN: 978-1-62708-185-6
... replacement or modification of the closed-die hammer and press process by other forging processes, such as no-draft forging, ring rolling, upset forging, or piercing and extruding. Each of these processes will affect the location of flash and fix the location within narrow limits. A third control available...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004035
EISBN: 978-1-62708-185-6
... be produced as an open-die, blocker, conventional, close-tolerance, or precision forging. After selecting the most appropriate forging process, determine the finish stock allowance for machining, draft allowance, and tolerances for length and width, die wear, match, die closure or thickness...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003996
EISBN: 978-1-62708-185-6
... and trim presses, can be used to achieve full forging process automation and highly repeatable and precise forging conditions in order to enhance the uniformity of the resulting aluminum alloy forgings. Typically, the minimum applied draft for mechanical or screw press forged aluminum alloys is 3...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003985
EISBN: 978-1-62708-185-6
... processing. These NNS processes allow forging designs with smaller corner and fillet radii, smaller draft angles, and smaller forge envelopes. These designs allow reductions in the envelope protecting the finished part and ultrasonic inspection geometry and therefore significantly reduce the forging weight...
Book Chapter

By H.W. Sizek
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003984
EISBN: 978-1-62708-185-6
... Abstract Radial forging is a process performed with four dies arranged in one plane that can act on a piece simultaneously. This article explains the types of radial forgings and describes the advantages and disadvantages of radial forging over open-die cogging/forging. The article discusses...