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Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002145
EISBN: 978-1-62708-188-7
..., hobbing, shaping, and rack cutting. The article also reviews the methods that are used to cut the teeth of bevel gears, such as face mill cutting, face hob cutting, formate cutting, helix form cutting, the Cyclex method, and template machining. The machining methods best suited to specific conditions...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002122
EISBN: 978-1-62708-188-7
... from P/M high-speed tool steel that was used for broaching involute splines in bores of truck transmission gear blanks. Courtesy of Crucible Materials Corporation Fig. 20 Tool bits made from P/M high-speed tool steels. Courtesy of Crucible Materials Corporation Fig. 19 Gear hobs...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005975
EISBN: 978-1-62708-168-9
... tools, and hobs, and for thread rolling dies, threading dies, and bearings. References References 1. “Molybdenum High-Speed Tool Steels (M Series),” Heat Treater's Guide: Practices and Procedures for Irons and Steels , 2nd ed. , ASM International , p 639 – 669 2. “Tungsten High...
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
... M3 TiN 7075T aluminum alloy 9 53 Gear hob M2 TiN 8620 steel 40 80 Broach insert M3 TiN Type 303 stainless steel 100,000 300,000 Broach M2 TiN 48% nickel alloy 200 3,400 Broach M2 TiN Type 410 stainless steel 10,000–12,000 31,000 Pipe tap M2 TiN Gray iron...
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
...)</xref> Electrodischarge Machining (EDM) Electrochemical Machining (ECM) Cast Dies Hobbing Roughing <xref rid="a0004041-ref5" ref-type="bibr">(Ref 5)</xref> Finishing <xref rid="a0004041-ref5" ref-type="bibr">(Ref 5)</xref> Advances in EDM Electrochemical machining (ECM) is similar to EDM but does...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001042
EISBN: 978-1-62708-161-0
... that was used for broaching involute splines in bores of truck transmission gear blanks. Courtesy of Crucible Materials Corporation Fig. 16 Gear hobs made from P/M high-speed tool steels. Courtesy of Speedsteel Inc. Fig. 5 Hardness of ASP steels after hardening and tempering a 25 mm (1...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003766
EISBN: 978-1-62708-177-1
Book Chapter

By S.L. Rohde
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001288
EISBN: 978-1-62708-170-2
..., can be used to increase the life of sputter-coated tools. Ti 0.5 Al 0.5 N sputter coating of hobs has been shown to produce a sixfold improvement in tool life ( Ref 91 ). After resharpening, however, the improvement decreased to a twofold increase in tool life when compared to the uncoated hobs...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003986
EISBN: 978-1-62708-185-6
... Dimensional accuracy Surface roughness μm in. R t , μm R a , μin. Cold hobbing &lt;10 &lt;0.0004 &lt;5 &lt;63 Hot hobbing 50 &lt;0.0020 &lt;15 &lt;125 Turning ∼10 ∼0.0004 &lt;12 &lt;125 Milling ∼200 ∼0.0080 &lt;15 &lt;125 Electrical discharge machining ∼5 ∼0.0002...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005255
EISBN: 978-1-62708-187-0
... tooling, such as spraying ( Ref 34 ), pressure casting ( Ref 35 ), cold and warm hobbing ( Ref 36 , 37 ), electroforming ( Ref 38 , 39 ), and (potentially) gas plating ( Ref 40 ). It also includes the casting of such nonmetallic materials as plaster (usually used to back up a spray metal facing...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003059
EISBN: 978-1-62708-200-6
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005980
EISBN: 978-1-62708-168-9
... is important for certain precision applications, such as class C and D cutting hobs made of high-speed steels. Class C and D hobs must be held close to size limits because they are not ground to size after heat treatment, but rather are used in the unground condition. Normal size distortion in hardening...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002141
EISBN: 978-1-62708-188-7
... by thread grinding results in superior accuracy, and thread grinding is also faster than the earlier applied relief-form turning. The relief grinding of thread milling cutters with helical gashes generally requires a special attachment. Gear-generating hobs Hobs used as the tools of continuously...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002116
EISBN: 978-1-62708-188-7
..., milling machines, lathes, and some boring machines: Turning (boring, facing, cutoff, taper turning, form cutting, chamfering, recessing, thread cutting). Shaping (planing, vertical shaping) Milling (hobbing, generating, thread milling) Drilling (reaming, tapping, spot facing, counterboring...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006114
EISBN: 978-1-62708-175-7
... by hobbing, shaving, and case hardening. The sintered gears were compacted, sintered, surface densified, and case hardened. Two types of fatigue tests were conducted: The test rig consists of two parallel shafts, one fixed axially and the other free to float axially. Mounted on each shaft are a helical...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006306
EISBN: 978-1-62708-179-5
...–0.33 0.006–0.013 Keyway broaching ( Ref 20 ) … High-speed steel γ = 10°, α = 5° 3–6 10–20 0.05–0.08 0.002–0.003 Hobbing ( Ref 20 ) … Hobs flooded with cutting oils 8–20 25–65 1.5–2.5 depending on module 0.06–0.10 depending on module Grinding ( Ref 20 ) … Grade 37C16-P4B wheels...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002151
EISBN: 978-1-62708-188-7
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002143
EISBN: 978-1-62708-188-7
... such as a hob. Radial chasers can be effectively sharpened only on the chamfer; the removal of more than about 0.025 mm (0.001 in.) from the area of the rake angle will adversely affect the chaser-workpiece relationship ( Fig. 4a ). Consequently, the total life of radial chasers is relatively short, so...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001306
EISBN: 978-1-62708-170-2
... blocks 10 holes 25 holes Phenolic terminal plates 1700 holes per grind 8500 holes per grind Drilling AISI 4030 steel 25 mm (1 in.) thick 17 holes 81 holes M7 end mill tools Cutting 8740 steel forgings 30 pieces 200 pieces A6 hobs Cutting teeth on AISI 3140 forged gear … 62.2...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001041
EISBN: 978-1-62708-161-0
... rolling dies: D2 Hobbing and short-run applications: S1, S7 Rivet sets and rivet busters … Blanking, forming, and trimmer dies when toughness has precedence over abrasion resistance: L6 Cold-heading dies: W1 or W2 (C ∼ 1.00%) Bending dies: W1(C ∼ 1.00%) Shearing tools  Dies for piercing, punching...