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fixed-punch system

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Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005197
EISBN: 978-1-62708-187-0
... cupola equipment, including preheated air blast, recuperative hot blast systems, and duplex electric holders. It discusses the shell, intermittent or continuous tapping, tuyere and blower systems, refractory lining, water-cooled cupolas, emission-control systems, and storage and handling of the charge...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006467
EISBN: 978-1-62708-190-0
... article provides a discussion on electromagnetic systems, eddy-current systems, and magnetic permeability systems for detection of flaws on steel bars. It concludes with a description of nondestructive inspection of steel billets. cracks eddy-current system electromagnetic inspection inclusions...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003177
EISBN: 978-1-62708-199-3
... information on the various drive systems and the auxiliary equipment. It describes the selection of die materials and lubricants for sheet metal forming and provides information on the lubrication mechanisms and selection with a list of lubricant types for forming of specific sheet materials of ferrous or...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003133
EISBN: 978-1-62708-199-3
... almost always been designated in the American Wire Gauge (AWG) system. This system is based on fixed diameters for two wire sizes (4/0 and 36 AWG, respectively) with a geometric progression of wire diameters for the thirty-eight intermediate gages and for gages smaller than 36 AWG (see Table 1 ). This...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005940
EISBN: 978-1-62708-166-5
... for the investigation of larger numbers of parameters by a limited number of samples, and can be structured into system analysis, test strategy, test procedure, and test evaluation. Level 2 focuses on understanding the distortion mechanisms by using the concept of distortion potential and its carriers...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003005
EISBN: 978-1-62708-200-6
... synergy between the elements of the materials selection process and presents a general comparison of material properties. Finally, the article provides a short note on computer aided materials selection systems, which help in proper archiving of materials selection decisions for future reference...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003053
EISBN: 978-1-62708-200-6
... modifiers Papermaking Dispersed in fluid Yes No Flocculant None The necessity for uniform density in the green part is due to the nature of the sintering process. In this process, the total free energy of the powder system is minimized by the reduction of surface area. For most systems, the...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004016
EISBN: 978-1-62708-185-6
... different systems of shear planes and directions and provide specific distortions of material elements. The distortions for routes A, B, C, D after one, two, three, and four passes are shown in Fig. 11 . Plastic flows via routes A, C are plane and spatial via routes B, D. For routes A and B, the...
Book Chapter

By Robert Bolin
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003982
EISBN: 978-1-62708-185-6
... die forging press or hammer. Using loose tools such as punches, containment rings, saddles, and bars, these methods have been successfully applied for years to produce forged rings and are extremely versatile. However, these methods are not economical in many cases. Manufacture of ring blanks using...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003237
EISBN: 978-1-62708-199-3
... in a metallic system may be well below the elastic design limits, and yet the region near a flaw or crack tip may undergo plastic deformation and fracture from locally high stresses, ultimately resulting in premature or catastrophic failure under service conditions. Acoustic-emission inspection...
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
... widespread condition. Examples of a localized effect are rolling the corner of a punch or the initial yielding in a stress concentration prior to a fatigue failure. In these cases, the overall die dimensions do not change. Large-scale yielding occurs when a bolster plate is dished or the entire inside...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003152
EISBN: 978-1-62708-199-3
... classifying cemented carbides. The systems most often employed by producers and users are discussed below. Almost 50% of the total production of cemented carbides is now used for nonmetal cutting applications such as metalforming dies, punches, and rolls, transportation...
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
... following checklist deals with the assignment of dimensions and tolerances to forgings: Assign dimensions to the forging: In assigning dimensions to a forging design, make use of the system that employs datum planes and tooling points, as described earlier in this article. This system will help to...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004008
EISBN: 978-1-62708-185-6
... by unwinding the starting coil, then pull the stock through a draw die without recoiling, and finally straighten and cut the material into bars in a continuous operation. The continuous machine illustrated in Fig. 10 has a fixed die box with a recirculating wet-die lubricating system. Drawing is...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006647
EISBN: 978-1-62708-213-6
.... Favorable analytical performances also rely on the ICP-OES torch design. In fact, the design should ensure that the nebulizer gas punches through the base of the plasma to carry the sample up the central channel. Conventionally, two main designs are available in the market: fixed or partially demountable...
Book Chapter

By Erhard Klar
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003185
EISBN: 978-1-62708-199-3
... compacting tool set that is used to transmit pressure to the powder in the die cavity single-action pressing Method by which a powder is pressed in a stationary die between one moving and one fixed punch sintering The bonding of neighboring particles in a mass of powder (as in a compact) by...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003241
EISBN: 978-1-62708-199-3
... Type Indentation: standard operation Vickers Macroindentation or microindentation Rockwell Macroindentation Brinell Macroindentation Indentation: nonstandard operation Rockwell Low-load Vickers Low-load Brinell Calibrated pin system (static or dynamic...
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
... is liquid metal injection, which is known as a shot. The injection phase has the most influence on casting quality once the die and machine are fixed. Therefore, it is very important to have a consistent and repeatable shot control system. Automation can reduce human error and process variability...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003973
EISBN: 978-1-62708-185-6
... motor and controlled by means of an electrohydraulic clutch/brake system, mechanical presses have a full-eccentric type of drive shaft that imparts a constant-length stroke to a vertically operating ram ( Fig. 6 ). Various mechanisms are used to translate the rotary motion of the eccentric shaft into...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009013
EISBN: 978-1-62708-185-6
... inhomogeneous deformation) Boundary layer lubrication studies Sheet metal forming Tearing (localized necking), wrinkling and earring, Lüders bands, orange peel, fracture Limiting dome height, tensile ( R , n values), punch (forming-limit diagram) Note: Besides thermomechanical testing, a number of...