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uncoated carbides

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Published: 01 January 1990
Fig. 43 Tool life comparison of a coated and an uncoated carbide tool. Constant tool life (15 min) plot for an uncoated P40 (C5) carbide and coated P40 (C5) carbides in turning SAE 1045 steel. The depth of cut was 2.5 mm (0.100 in.). More
Image
Published: 01 January 1989
Fig. 40 Tool life comparison of a coated and an uncoated carbide tool. Constant tool life (15 min) plot for an uncoated and a TiC-TiCN-TiN-coated C5 grade in turning SAE 1045 steel. The depth of cut was 2.5 mm (0.100 in.). More
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002177
EISBN: 978-1-62708-188-7
... with information on machining economics. ceramics cermets chip grooves coated carbides cubic boron nitride cutting tools facing test high-speed steels impact test machinability machining polycrystalline diamond turning test uncoated carbides MEASURING THE PERFORMANCE of cutting tool...
Image
Published: 01 January 1990
Fig. 25 Comparison of the transverse rupture strength of uncoated and coated carbide tools. Measured by a three-point bend test on 5 × 5 × 19 mm (0.2 × 0.2 × 0.75 in.) specimens of 73WC-19(Ti,Ta,Nb) C-8Co More
Image
Published: 01 January 1989
Fig. 25 Comparison of the transverse rupture strength of uncoated and coated carbide tools. Measured by a three-point bend test on 5 × 5 × 19 mm (0.2 × 0.2 × 0.75 in.) specimens of 73WC-19(Ti,Ta,Nb)C-8Co More
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003188
EISBN: 978-1-62708-199-3
... a wide variety of materials at favorably high material removal rates. Uncoated carbides are typically found in the machining of cast irons, steels, stainless steels, and nonferrous and high-temperature materials at speeds up to 150 m/min (500 sfm). Coatings such as Al 2 O 3 applied by chemical vapor...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002194
EISBN: 978-1-62708-188-7
... high-helix drills at a speed of 30 m/min (100 sfm) and a feed of 0.305 mm/rev (0.012 in./rev). Turning Turning studies were carried out using a C-2 grade uncoated carbide insert with a number one, or 0.397 mm ( 1 64 in.), corner radius. The insert material was the same as that used...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002124
EISBN: 978-1-62708-188-7
... Abstract This article discusses the manufacturing steps and compositions of cemented carbides, as well as their microstructure, classifications, applications, and physical and mechanical properties. It provides information on new tool geometries, tailored substrates, and the application of thin...
Image
Published: 01 January 1989
Fig. 9 Effect of cutting speed on tool life in turning dual-phase sheet steels. Source: Ref 14 Tool C-5 uncoated and coated carbide Feed, mm/rev (in./rev) 0.23 (0.009) Insert style TNEX-333-2M Depth of cut, mm (in.) 0.38 (0.015) Cutting fluid Dry Wear, mm More
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001104
EISBN: 978-1-62708-162-7
... Abstract Cemented carbides belong to a class of hard, wear-resistant, refractory materials in which the hard carbide particles are bound together, or cemented, by a soft and ductile metal binder. The performance of cemented carbide as a cutting tool lies between that of tool steel and cermets...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006363
EISBN: 978-1-62708-192-4
... Intimate contact between the chip and tool rake face, which encourages diffusion between the chip and tool materials, particularly at high temperatures (this can cause the carbon-greedy steel chip to rapidly wear an uncoated tungsten carbide cutting tool, for example) Hard inclusions in the workpiece...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002192
EISBN: 978-1-62708-188-7
... 18.26 0.7188 Tools typically giving the best results for turning and facing unalloyed uranium and the softer alloys are uncoated grades of high tantalum-carbide content inserts having nominal compositions, 74WC-20TaC-6Co and 50TaC-44WC-6Co ( Ref 13 , 18 , 19 ) with a slight positive rake...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006104
EISBN: 978-1-62708-175-7
...) when the hardness is above 250 HB. These conditions are suitable for hot-pressed or cold-pressed ceramic tools. In cases in which uncoated carbide tools are used, cutting speeds should be less than 190 m/min (625 sfm) for machining most ferrous or nonferrous alloys. Holemaking Processes Round...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002121
EISBN: 978-1-62708-188-7
... nitride coated end mills also outperform uncoated solid carbide tools. When machining valves made from type 304 stainless steel, a switch from solid carbide end mills to titanium nitride coated end mills resulted in a fivefold increase in tool life, that is, 150 parts compared to 30 finished...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002190
EISBN: 978-1-62708-188-7
... and box tools Table 1 Turning wrought, cast, and powder metallurgy (P/M) refractory metals or alloys with single-point and box tools Material Hardness, HB Condition Depth of cut (a) , mm (in.) High-speed steel (HSS) tool Uncoated brazed carbide tool Speed, m/min (sfm) Feed, mm/rev...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002193
EISBN: 978-1-62708-188-7
...-speed steels and coated or uncoated carbides to cermets and ceramics. In drilling, speeds and feeds are 80 to 85% of those for wrought metals of the same composition. For long tool life, nitrided steel, high-speed steels containing cobalt, and carbide-tipped drills are recommended. Internal...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003152
EISBN: 978-1-62708-199-3
... carbides is now used for nonmetal cutting applications such as metalforming dies, punches, and rolls, transportation and construction, mining, oil and gas drilling, forestry tools, and fluid-handling components. The majority of cemented carbides used for nonmachining applications are uncoated, straight WC...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006360
EISBN: 978-1-62708-192-4
... minimized the formation of nondiamond graphitic phases. The first successful low-pressure deposition of diamond was achieved by Eversole at Union Carbide in 1953 ( Ref 1 ). Angus in the United States, Deryagin in the Soviet Union, and Setaka in Japan are regarded as the primary pioneers of developing...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003192
EISBN: 978-1-62708-199-3
... Material Hardness, HB Condition Depth of cut (a) , in. High-speed steel tool Carbide tool Uncoated Coated Speed, fpm Feed, ipr Tool material, AISI Speed, fpm Feed, ipr Tool material grade Speed, fpm Feed, ipr Tool material grade Brazed Indexable Resulfurized steels 1116...
Book Chapter

By Allan B. Dove
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001017
EISBN: 978-1-62708-161-0
... that these tolerances be used in gaging the uniform areas of the galvanized wire. For certain galvanized wire commodities, different size tolerances are applicable, as shown under the specific commodity descriptions. Size tolerances of uncoated coarse round wire available in coils Table 3(b) Size tolerances...