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stamping die materials

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Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005140
EISBN: 978-1-62708-186-3
... Abstract This article reviews the production variables that influence the selection of various stamping die materials: ferrous, nonferrous, and plastic die materials. It provides a discussion on the specific types of die materials for tool steels, cast irons, plastics, aluminum, bronze, zinc...
Image
Published: 31 December 2017
Fig. 3 Micrograph and hardness profile in cast cut 1 (0.60 wt% C, 1.45 wt% Mn, 0.60 wt% Si, 1.50 wt% Cr, 0.25 wt% Ni, 0.40 wt% Cu, 0.10 wt% Al) stamping die material after plasma nitriding at 520 °C (970 °F) for 15 h in a mixture of 25% nitrogen and 75% hydrogen. Surface hardness: 874 HV1 More
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005151
EISBN: 978-1-62708-186-3
.../equation Die Face design (tip, addendum, binder) Surface finish and coating Material Surface hardness Rigidity Guidance Alignment Temperature Die lubrication Friction Lubricant type Film thickness Wetness (distribution) Process Forming type (stamping, hydroforming...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0009000
EISBN: 978-1-62708-186-3
... factors on die wear rate. The lab wear tests provide a comprehensive database and material support to the fact that some conventional and existing commercial casting materials may be used to stamp HSS parts for acceptable die life and part quality in high-volume productions with robust die structure...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005180
EISBN: 978-1-62708-186-3
... with three holes, one of which is threaded. All three holes are pierced, and one of them extruded, in the first die station in the press area of the four-slide. The extruded hole is then tapped in the press area. Hose clamps can be formed from strip material that is first stamped to size in the press...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0009001
EISBN: 978-1-62708-186-3
... materials may be used to stamp HSS parts for acceptable die life and part quality in high-volume productions with robust die structure designs and advanced die surface coatings. The advanced die surface treatments and/or coatings over low-cost castings may provide a viable cost solution for HSS stamping...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005118
EISBN: 978-1-62708-186-3
.... cam trimming dies conventional trimming dies finish trimming material handling rough trimming scrap handling trimming trimming dies FOR MANY TYPES of stamped parts, excess metal must be allowed for holding purposes during operations that shape the metal into the form of the part...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005152
EISBN: 978-1-62708-186-3
... was experienced during the previous run. However, the raw data from the press shop floor indicated that all breakage occurred in the left-hand stampings and none in the right-hand stampings. Because both hands were formed simultaneously in a single die, the raw data changed the focus of the investigation from...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005110
EISBN: 978-1-62708-186-3
... Abstract Fine-blanking is a hybrid metal forming process that combines the technologies of stamping and cold extrusion. This article describes the three principal design features of the fine blanking process: the vee-ring, clearance between punch and die, and counterforce imposed by the ejector...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005119
EISBN: 978-1-62708-186-3
... laminations; therefore, the investment is not warranted. Extremely large dies may require a press capacity that is so large as to be impractical. Problems from camber and lack of flatness in the stock are magnified in stamping large laminations in progressive dies. Selection of Die Materials...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005112
EISBN: 978-1-62708-186-3
... machines sheet metal forming straight-side presses transfer presses STAMPING PRESSES are built with meticulous attention to accuracy, clearances, parallelism, deflections, and controls. With the use of precision die-making machines and the use of better-grade die materials, precision presses...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005150
EISBN: 978-1-62708-186-3
... face files is called functionalizing the die face. Once functionalized in the CAD system, the die construction and tryout costs are significantly reduced. This article includes the following sections: Grade designations Materials specifications Forming limit curve Friction (draw bead...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005129
EISBN: 978-1-62708-186-3
... reviews the forming of steel tailor-welded blanks with some discussion of the effects of welding on forming. As with all stamping operations, control of the stamping operation for tailor-welded blanks requires monitoring parameters such as blankholder pressure, material uniformity, die gaging, lubrication...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005163
EISBN: 978-1-62708-186-3
..., the curl in DP 90 was removed when the specimen was drawn over a small radius ( r / t <1.5) under high tension ( Ref 26 ). The small radius is to pin the material and allow high tension to reduce springback. Die Processes The quality of stamped parts is critical in avoiding problems in assembly...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005117
EISBN: 978-1-62708-186-3
..., and other heavy-duty applications. Coil stock may be used for medium-volume work in a push-through, blanking and piercing, or progressive blanking die. Coil stock is used on all high-production stampings whenever it is practical to secure and use it in such form. The layout of material...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005127
EISBN: 978-1-62708-186-3
... forming, ordinary materials can be used. Fig. 7 Schematic examples of typical explosive forming operations. (a) Sizing with a water-filled die cavity. (b) Method for forming a flat panel. (c) Use of detonation cord to prescribe the pressure distribution in an open forming system. (d) Use...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005104
EISBN: 978-1-62708-186-3
... is contained in the article “Selection of Materials for Press-Forming Dies” in this Volume. These high-performance P/M tool steels are used for a wide range of cold-work punch-and-die applications such as long-run stamping, fineblanking, shearing, and piercing. For example, Fig. 7 shows a typical high...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005114
EISBN: 978-1-62708-186-3
... ASSEMBLY is a complete punch-press tool that is used to produce large numbers of interchangeable stamped parts. It consists of mating pairs of punches and dies, their retention plates, a stripping device, and a subassembly called a die set. When the press is actuated, the mating components are forcibly...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006801
EISBN: 978-1-62708-329-4
... and formability, it is rarely included in industry metal specifications or on the metal production-mill-certified material property documents. Reference Panels Manufacturing, engineering, and quality departments all are satisfied with each stamped-metal part at the start of production. The conditions used...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005540
EISBN: 978-1-62708-197-9
... matches well a known condition, and then use that coefficient for future analyses. As with material properties, analysts have tended to err on the side of conservative friction values. There are three separate frictional conditions acting in a draw die. These are: Metal passing through a draw...