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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170573
EISBN: 978-1-62708-297-6
... alloys also vary widely, as indicated in Table 1 for representative steel-cutting grades. Fig. 2 Microstructure of 85WC-9(Ta,Ti,Nb)C-6Co steel-cutting grade of cemented carbide, medium grain size. The gray angular particles are WC, and the dark gray, rounded particles are solid-solution carbides...
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Published: 01 August 1999
) containing medium elongated manganese sulfide inclusions. 36% reduction of area. Unetched 500×. (f) Semikilled carbon-manganese steel. Testpiece (cut in short transverse direction) containing small elongated manganese sulfide inclusions. 50% reduction of area. Unetched 500×. (g) Silicon-killed, aluminum More
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Published: 01 November 2013
Fig. 18 Productivity improvements made possible with coated carbides. (a) Machining of medium-carbon steel. Workpiece, 1045 steel; hardness, 180 HB; feed rate, 0.25 mm/rev; depth of cut, 2.5 mm. (b) Machining of gray cast iron. Workpiece, G4000 cast iron; hardness, 210 HB; feed rate, 0.25 mm More
Image
Published: 01 August 1999
steel. Testpiece (cut in short transverse direction) containing medium elongated manganese sulfide inclusions. 36% reduction of area. Unetched 500×. (f) Semikilled carbon-manganese steel. Testpiece (cut in short transverse direction) containing small elongated manganese sulfide inclusions. 50 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900007
EISBN: 978-1-62708-358-4
... Identifying symbol Water-hardening tool steels W Shock-resisting tool steels S Oil-hardening cold-work tool steels O Air-hardening, medium-alloy cold-work tool steels A High-carbon, high-chromium cold-work tool steels D Mold steels P Hot-work tool steels, chromium, tungsten...
Image
Published: 01 December 2001
Fig. 2 Microstructure of 85WC-9(Ta,Ti,Nb)C-6Co steel-cutting grade of cemented carbide, medium grain size. The gray angular particles are WC, and the dark gray, rounded particles are solid-solution carbides. The white areas are cobalt binder. 1500× More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250089
EISBN: 978-1-62708-345-4
... suitable for medium and high production quantities. Hobbing is a generating process in which both the cutting tool and the workpiece revolve in a constant relation as the hob is being fed across the face width of the gear blank. The hob is a fluted worm with form-relieved teeth that cut into the gear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400169
EISBN: 978-1-62708-258-7
..., the next important step is usually cutting a metallographic specimen (or specimens) from the material that has been submitted. In most cases, the submitted material will be too large for a metallographic investigation, and appropriately sized specimens must be removed. The key is to think before you cut...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050245
EISBN: 978-1-62708-311-9
... 12.2 shows the correct use of a V-block anvil for checking a round part. Workpieces that have irregular test surfaces may need to be cross-sectioned so that the surface hardness can be tested just beneath the surface on the cut cross section. Fig. 12.1 Steady rest support for long workpieces...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120313
EISBN: 978-1-62708-269-3
.... The positive feed mechanism should govern the feed rate. The friction or variable feed should be kept medium. On alloy and heat-treatable grades, cutting rates of 6.5 to 13 cm 2 /min (1 to 2 in. 2 /min) can be obtained. Total area cut before a blade change is required will be about 1300 to 1936 cm 2 (200...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240411
EISBN: 978-1-62708-251-8
... steels, low-alloy special-purpose tool steels, mold tool steels, high-speed tool steels, and powder metallurgy tool steels. This chapter provides discusses the manufacturing process, composition, properties, types, and applications of these tool steels and other cutting tool materials, such as cemented...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260149
EISBN: 978-1-62708-336-2
... for hot or cold impact forging from extruded stock. The medium-strength alloys are classified into two different alloying combinations, Al-Zn-Mg and Al-Mg. The first, Al-Zn-Mg, is a heat treatable alloy, whereas Al-Mg is not heat treatable. Over the last 30 years, Al-Zn-Mg alloys (7020, 7005, 7003...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930179
EISBN: 978-1-62708-359-1
... SAW Weld quality Good Excellent Excellent Good Excellent Weld deposition rate Fair Poor Good Good Excellent Field work Excellent Poor Fair Excellent Poor Equipment maintenance Low Low Medium Medium Medium Smoke/fume emission High Low Medium High Very low...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.t59370095
EISBN: 978-1-62708-447-5
... logically to maximize product flow. Small and medium-sized castings are randomly oriented during the shakeout operation, which presents a challenge for automation. Castings from different molding lines may share a common shakeout unit, where the potential for mixing different castings is high. Devices...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740213
EISBN: 978-1-62708-308-9
...). Fig. 18 Productivity improvements made possible with coated carbides. (a) Machining of medium-carbon steel. Workpiece, 1045 steel; hardness, 180 HB; feed rate, 0.25 mm/rev; depth of cut, 2.5 mm. (b) Machining of gray cast iron. Workpiece, G4000 cast iron; hardness, 210 HB; feed rate, 0.25 mm/rev...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200197
EISBN: 978-1-62708-354-6
... treatment, and processing steps such as torch cutting, air carbon-arc metal removal, or grinding. Various types of equipment are employed for blast cleaning of steel castings, all of which utilize some means of exposing the surfaces of the casting to a stream of abrasives. Small castings, and those up...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030023
EISBN: 978-1-62708-349-2
... saw with a tooth blade is never recommended, because it may significantly damage the specimen. Instead, an abrasive band saw is best used to cut large parts down to a manageable size. Even with an abrasive band saw, some damage may be introduced to the edge of the sample ( Fig. 2.4a , b ). Rough...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310285
EISBN: 978-1-62708-326-3
... the composition, classification, and properties of unalloyed and low-alloy cold-worked tool steels; medium and high-alloy cold-worked tool steels; and 18% nickel maraging steels. annealing cold-work tool steel distortion high-speed tool steel hot-work tool steel mold steel normalizing tempering...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440191
EISBN: 978-1-62708-262-4
... include water-hardening; shock-resisting; oil-hardening cold-work; air-hardening, medium-alloy cold-work; high-carbon, high-chromium cold-work; low-alloy, special-purpose; mold; hot-work; and high-speed tool steels. air-hardening tool steel annealing austenitizing high-carbon tool steel high...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200377
EISBN: 978-1-62708-354-6
.... The chapter also presents an overview of machining practices. drilling face milling hardness machinability microstructure steel castings turning Definitions and Criteria Machinability is a term used to indicate the relative ease with which a material is shaped by cutting tools...