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flank wear

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Published: 01 November 2013
Fig. 12 Crater wear, flank wear, and depth-of-cut notch wear processes. (a) Schematic of wear mechanisms. (b) Crater wear on a cemented carbide tool produced during the machining of plain carbon steel. Original magnification: 15×. (c) Abrasive wear on the flank face of a cemented carbide tool More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390456
EISBN: 978-1-62708-459-8
... discusses the mechanics and tribology of surface grinding and other forms of abrasive machining. chip formation crater wear cutting fluids cutting force cutting speed cutting tool materials cutting tool wear flank wear grinding grinding fluids lubrication machining metal removal milling...
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
... between the tool and work, producing flank wear. Lastly, the cutting edge radius has increased. Figure 11 shows the characteristic wear surfaces on a turning tool insert, end mill, form tool, and drill. The cutting edge view shown in Fig. 6 and 10 is identified as section A - A in Fig. 11...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390389
EISBN: 978-1-62708-459-8
... years, but which have become increasingly important with the rising popularity of advanced high strength steels (AHSS) and hot stamping. Some of the key concerns related to wear are: Die and tool edges and the die land and punch side surfaces (the flanks ) are exposed to the virgin surfaces...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250311
EISBN: 978-1-62708-345-4
... (or scuffing), wear, and pitting. In order to understand the common modes of failure on tooth flanks, it is important to study the kinematics of a gear mesh, illustrated in Fig. 1 for a pair of spur gears. For the direction of rotation shown, contact starts at the left side of the figure and progresses...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250129
EISBN: 978-1-62708-345-4
... lb). They are heat treated to strength levels of 689 MPa (100 ksi) and machining is not required on these gears. In circumstances where machining is necessary, the machining expense is reduced by casting close to final shape. Most of the processes listed are suited to gears for low wear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780267
EISBN: 978-1-62708-281-5
... shaft. 417×. Source: Ref 53 Example 2: Failure of a Nylon Driving Gear Figure 15 shows pitting on the tooth flank of a nylon oil-lubricated driving gear. The pitting produced numerous surface microcracks in association with large-scale fragmentation (frictional wear). The stress-cracking...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1985
DOI: 10.31399/asm.tb.sagf.t63420001
EISBN: 978-1-62708-452-9
... returned from service. One side profile has not been worn; the graph is a straight line. The pattern of the opposite side shows a definite wearing of the midprofile area and slight wear over the addendum. This pattern also reveals that the gear ran in one direction only. The involute charts should be read...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250293
EISBN: 978-1-62708-345-4
...Failure modes of gears Table 1 Failure modes of gears Failure mode Type of failure Fatigue Tooth bending, surface contact (pitting or spalling), rolling contact, thermal fatigue Impact Tooth bending, tooth shear, tooth chipping, case crushing, torsional shear Wear Abrasive...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770199
EISBN: 978-1-62708-337-9
... may become a much deeper grinding crack by the forces exerted during the next grinding wheel pass ( Ref 5 ). Fig. 8.3 Examples of grinding cracks. (a) Cracks on the flank of a worm thread. (b) Micrograph of grinding cracks in case-hardened 8620 steel showing several small cracks (arrows...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130417
EISBN: 978-1-62708-284-6
... an engineer, by simply adapting the shape of the induction coil, to ensure the desired shape of the hardened profile of the surface layer. Likewise, the engineer can surface harden only that part of the surface (local hardening) on which a certain increased level of hardness and wear resistance are desired...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 March 2024
DOI: 10.31399/asm.tb.gvar.t59360001
EISBN: 978-1-62708-435-2
... in the pinion and gear should be selected so that the only common factor between them is 1. This allows every tooth on the pinion to mesh with every tooth on the gear, which corrects for minor imperfections in tooth surfaces and equalizes wear, resulting in ideal tooth contact patterns. Sometimes, for high...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770135
EISBN: 978-1-62708-337-9
... as a consequence of frictional effects (predominantly sliding and wear processes), and, therefore, the surface condition and the metallurgical structure of the surface are very much involved. Contact damage can also develop at subsurface locations due to shear stresses, which are generated below the surface when...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630055
EISBN: 978-1-62708-270-9
... usually think of failure in terms of fracture, wear, or corrosion. Even in the absence of any of these three factors, however, a part can also fail when distortion of size or shape prevents the performance of its intended function ( Ref 1 , 2 ). Distortion failures are readily identified...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250257
EISBN: 978-1-62708-345-4
...Gear failure nomenclature recommended by the American Gear Manufacturers Association (AGMA) Table 1 Gear failure nomenclature recommended by the American Gear Manufacturers Association (AGMA) Category Failure mode Wear Adhesion   Mild   Moderate   Severe Abrasion...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250163
EISBN: 978-1-62708-345-4
... stock removal from both flanks. (b) Tooth with distortion; more stock removal from one flank Fig. 47 Gear quenched hanging from bar Fig. 46 Helical tooth with chamfer on tooth edge Fig. 49 Hardness gradient of a carburized and hardened gear tooth. Material: 17CrNiMo6...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320033
EISBN: 978-1-62708-347-8
... flanks. (b) Tooth with distortion; more stock removal from one flank. Fig. 5.52 Experimental gears after nital etch for surface damage. Grinding patterns were observed after surface nital etch on both gears. Microscopic examination of sections removed from the gears did not reveal...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1985
DOI: 10.31399/asm.tb.sagf.t63420185
EISBN: 978-1-62708-452-9
... teeth was well centered and uniformly polished on both sides. No wear was evident. Physical Examination Magnetic-Particle Inspection Magnetic-particle inspection was performed on each part. The pinion showed no indication of additional cracking, nor did the gear. Metallurgical Examination...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740325
EISBN: 978-1-62708-308-9
... properties of a component. For example, coatings that increase the hardness, strength, and toughness can improve the component wear, fatigue, and erosion properties, respectively. Electrical properties in circuit design are dependent on surface-deposition processes. Similarly, environmental properties...