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die inserts

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Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005292
EISBN: 978-1-62708-187-0
..., die open, part extraction, die lubrication, insert loading, and die close. Some manual aspects of the operations, together with automation options, are discussed. The article describes finishing steps, such as finish trimming, detailed deflashing, shot blast cleaning, and quality checks. Automation...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005333
EISBN: 978-1-62708-187-0
..., magnesium, copper, and iron. The article illustrates a characteristic five-layer microstructure of zinc alloy casings. It discusses the various methods of finishing of zinc alloy die castings, including chromium plating, polishing, painting, and electropainting. The article describes the casting of inserts...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003976
EISBN: 978-1-62708-185-6
... result from poor die design, improper press fitting or shrink fitting of dies and die inserts, or lack of control of forging load and energy. Materials for Dies A wide range of materials are available to the designer of tools and dies. This section summarizes the important attributes required...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003975
EISBN: 978-1-62708-185-6
... on the factors that affect die life and safety precautions to be considered during die construction. cast dies die inserts fabrication hammers hardenability heat treatment horizontal forging machines hot forging hot-work tool steels impression dies mechanical fatigue plastic deformation...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003183
EISBN: 978-1-62708-199-3
.... Relatively small “die inserts” usually are used in mechanical presses. This saves expensive die material and the machining required on large die blocks. The dies are set in recesses in holders fastened to the ram and bed of the press. The dies are held in the recesses by clamps, and screws extending through...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004024
EISBN: 978-1-62708-185-6
... is numerically transformed into thin slices on the order of about 75 to 250 μm (0.003 to 0.010 in.). Fig. 1 Selective laser sintering technique. Source: Ref 7 Rapid prototyping of a steel die is described in Ref 2 for a process used to create steel/copper mold inserts for injection molding...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006034
EISBN: 978-1-62708-175-7
... closer than in the ejection position, which constitutes the minimum space available to contain all components and their adapters. Die Design Dies are commonly constructed by using inserts that are held in the die case by shrink fitting. The amount of interference between the insert and the die...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003980
EISBN: 978-1-62708-185-6
... precisely for this kind of forging. Fig. 1 Upset forging process using split dies. 1, stationary die; 2, moving die; 3, upsetting punch. (a) Inserting bar in open dies. (b) Closed dies gripping bar. (c) Upset forging. (d) Upsetting punch withdrawn. (e) Ejection of the forging Hot upset forging...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005539
EISBN: 978-1-62708-197-9
... model. The article also covers material fracture and die stress analysis and reviews optimization of the design of forming processes. bulk forming carbon diffusion model cold forming deformation deformation model diffusion finite element method forging dies heat transfer properties heat...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004021
EISBN: 978-1-62708-185-6
... forming process) process sequence: primary materials processing, hot forging and cold forming, and product assembly. The article discusses the material fracture and dies stress analysis and presents the optimization techniques used in 2-D and 3-D preform die design. bulk forming cold forming...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003992
EISBN: 978-1-62708-185-6
... Gas-fired, slot-front box furnace Heating time 1 h Atmosphere Slightly oxidizing Die material 6G at 388–429 HB (a) Die life, total 507–2067 forgings (b) Die lubricant Graphite-oil Production rate 50 forgings per hour (c) (a) Inserts at this hardness were used in die...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006417
EISBN: 978-1-62708-192-4
.... These tools are heat treated to high surface hardness (HRC 59–64) before use. One of the highest-volume applications of water-hardening die steels is the coining of dies used to manufacture silverware and stainless dinnerware. The grades within this category are shallow hardening, so that when heat treated...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004041
EISBN: 978-1-62708-185-6
... dies machining spindle speed surface cutting speeds FORGING DIES or inserts are machined from solid blocks or forged die steels. By using standard support components such as die holders and guide pins, which ensure the overall functionality of tooling assembly, the time necessary...
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
... with Typical Blocker Flash Cavity and Extensive Use of Weld Traps The finished conventional forging, for an engine removal door support, shown in Fig. 8(a) is a flat channel of rib-to-web design with flat-back. This conventional forging was made from a blocker forging; the face of the bottom die insert...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003987
EISBN: 978-1-62708-185-6
... coining operation involves partial confinement of the entire cup within the die. This produces high radial die pressures and thus requires pressed-in inserts on long runs to prevent die cracking. Quantities up to about 10,000 can be made with the steels given in Table 2 without danger of failure...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005178
EISBN: 978-1-62708-186-3
... by inserting spacers behind the die inserts or holders. No spacers are required on 160 kN (18 tonf) shears, one set on 400 and 445 kN (45 and 50 tonf) models, and two sets on 1330 kN (150 tonf) models. Single-cut angle dies are limited to angle-iron cutting. Figure 13 shows an injector-type die...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006526
EISBN: 978-1-62708-207-5
...-and-sleeve dies are used when extrusion pressures are extremely high. This type of die consists of a shrink ring or rings (the holder), a sleeve, and an insert (button). The die sleeve is prestressed in compression in the shrink ring to match the tension stress expected during extrusion. Horizontal split...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003991
EISBN: 978-1-62708-185-6
... be if forging were done in hammers because wear resistance is more important and toughness less important. In some instances, however, die inserts of the more highly alloyed low-alloy steel, or even of the chromium hot work die steels, are recommended in regions of the dies exposed to higher-than-average...
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
...Abstract Abstract This article examines aluminum forging processes, including open-die, closed-die, upset, roll, orbital, spin, and mandrel forging, and compares and contrasts their capabilities and the associated design requirements for forged parts. It discusses the effect of key process...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006818
EISBN: 978-1-62708-329-4
... section of an AISI W2 die insert that cracked during rehardening. The horizontal arrow shows the origin of the failure, which corresponds to the center of the billet used to make the insert. Original magnification: 0.3×. (b) Disk that was cut through the origin of the insert section. Hot-acid etching (50...