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bevel gears

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270102
EISBN: 978-1-62708-301-0
.... dowel bolts fatigue failure fractography low-cycle fatigue test metallography scanning electron microscopy Summary Background Pertinent Specifications and Manufacturing Details Testing Procedure and Results The spur and bevel gears of an aircraft engine were fastened by a set...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270177
EISBN: 978-1-62708-301-0
... and the shaft also had been damaged. The gear was made of S-157 steel and plasma nitrided. In an aircraft engine, the gear system failed after 40 hours of run. The driven gear had fractured, and a portion of it had fallen off. The remaining teeth of this gear, the teeth of the driving bevel gear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040319
EISBN: 978-1-62708-300-3
... and functionally important surfaces. The steering spider seen in the forefront in Fig. 23.1 is a typical net shape part. The other forgings require minor machining or grinding. However, functional areas, such as the gear tooth geometry of the bevel gear, are ready for assembly [ Meidert et al., 2000 ]. Fig...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.9781627082709
EISBN: 978-1-62708-270-9
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000185
EISBN: 978-1-62708-312-6
... with permission from MPIF, Metal Powder Industries Federation, Princeton, NJ Fig. 11.22 Stainless steel bevel gear/indexing ratchet (2001 MPIF parts award recipient). Source: Ref 36 . Reprinted with permission from MPIF, Metal Powder Industries Federation, Princeton, NJ Fig. 11.23 Stainless...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.9781627082563
EISBN: 978-1-62708-256-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040295
EISBN: 978-1-62708-300-3
... the fatigue fracture of a punch ( Fig. 22.22b ) used in the cold forging of a straight bevel gear ( Fig. 22.22a ). The finite-element model is shown in Fig. 22.23(a) . Fatigue analysis of the punch showed that very high stresses were generated in the lower punch corner and the upper fillet radius ( Fig...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050057
EISBN: 978-1-62708-311-9
.... 4.51 Special bevel gear inductor. Source Ref 12 Fig. 4.35 Split-return coil. (a) Return offset. (b) Return in center, flux concentrator between turns, quench pads on the outside. Source: Ref 12 Fig. 4.36 Control of heating patterns in two different regions of a (a) workpiece...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770199
EISBN: 978-1-62708-337-9
... (cut/harden/lap) versus CBN ground (cut/harden/lap) spiral bevel gears. Test gear design specifications: hypoid design, 4.286 dp, 11 by 45 ratio, 1.60 in. face. Gears were installed in axles using a 4-square loaded axle test machine. Torque applied was 70% of full axle torque rating. Source: Ref 18...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040007
EISBN: 978-1-62708-300-3
.... In some cases, the lower die may also rotate. Bevel gears, claw clutch parts, wheel disks with hubs, bearing rings, rings of various contours, bearing-end covers. P/M forging is the process of closed-die forging (hot or cold) of sintered powder metal preforms. Hydraulic and mechanical presses...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220185
EISBN: 978-1-62708-341-6
... or where it is not possible to surround the part. Spiral coils ( Fig. 8.5e ) are generally used for heating bevel gears or tapered punches. Internal bores can be heated in some cases with multiturn inductors ( Fig. 8.5f ). It is important to note that, with the exception of the pancake and internal coils...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040193
EISBN: 978-1-62708-300-3
... ). Fig. 16.20 Development of the preform shape for flashless forging of a connecting rod [ Vasquez et al., 2000 ] Fig. 16.21 Deformation sequence for flashless precision forging of a connecting rod [ Takemasu et al., 1996 ] The forming of a medium-carbon manganese steel bevel gear...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630189
EISBN: 978-1-62708-270-9
... . It is significant that the dedenda (i.e., the regions below the pitch line) of all gear teeth are in negative sliding. This means that this is where surface-origin pitting is most likely to occur, other conditions being equal. Pure rolling occurs only on the pitch line of spur, bevel, and helical gears...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130177
EISBN: 978-1-62708-284-6
.... and Kovan V. , Pitting Failure of a Truck Spiral Bevel Gear , Eng. Fail. Anal. , Vol 14 , 2007 , p 614 – 619 10.1016/j.engfailanal.2006.03.002 29. Razim C. and Streng H. , Properties of Case-Hardened Components—Basic Considerations Concerning the Definition and Evaluation...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610461
EISBN: 978-1-62708-303-4
... a particle of wear debris. Metal also may be transferred from one surface to another by the microwelding process. Arrows indicate direction of sliding. Source: Ref 1 Fig. 12 Severe adhesive wear on a stationary shaft upon which a planetary gear rotated in the presence of an inadequate lubricant...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050191
EISBN: 978-1-62708-311-9
... applications. External spur and helical gears, bevel and worm gears, internal gears, racks, and sprockets are good examples of the kinds of gears of which the size can range from less than 6 mm (0.25 in.) to greater than 3 m (12 feet). As with shafts, the hardened pattern may be through the cross section...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.9781627083003
EISBN: 978-1-62708-300-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130001
EISBN: 978-1-62708-284-6
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290137
EISBN: 978-1-62708-306-5
..., tubes, rails, aircraft landing gear, chains, and cans. Roll welding is a process in which two or more sheets or plates are stacked together and then passed through rolls until sufficient deformation has occurred to produce solid-state welds. Two modes of roll welding are common. In the first mode...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720021
EISBN: 978-1-62708-305-8
... gages, thread-measuring gages, protractors and bevel protractors (to measure angles), levels (to measure variation from horizontal), inside and outside calipers, hole and plug gages (to measure diameter and uniformity of holes), radius gages, screw-pitch gages, thickness gages (a series of leaves...