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Grinding machines

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250089
EISBN: 978-1-62708-345-4
... a comparison of steels for gear cutting. The operating principles of computer numerical control and hobbing machines are also covered. This is followed by sections that discuss the processes involved in grinding, honing, and lapping of gears. Finally, the chapter provides information on the superfinishing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220039
EISBN: 978-1-62708-259-4
... or an abrasive disk cutter (“cut-off” saw). The cut defines the surface to be examined. In some cases, cutting is not viable, and machining or grinding can be used to remove sufficient material to reach the plane to be examined. When large parts must be examined and flame cutting is unavoidable as the first...
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
...Effect of method of machining on fatigue strength Table 2 Effect of method of machining on fatigue strength Alloy Machining operation Endurance limit in bending, 10 7 cycles Gentle grinding, % MPa ksi 4340 steel, 50 HRC Gentle grinding 703 102 100 Electropolishing 620...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280189
EISBN: 978-1-62708-267-9
..., and grinding. It also provides information on toolholders, fixturing, cutting and grinding fluids, and tooling modifications. Example: Machining Changes Needed to Accommodate the Replacement of an Iron-Nickel-Base Superalloy, A-286, by a Nickel-Base Superalloy, Rene 41 in a Design Example: Redesign...
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 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120085
EISBN: 978-1-62708-269-3
... grit. Originally, strip was ground on standard strip grinders, using various oil lubricants; however, oils contributed to fire hazard and several grinding machines were partially or wholly destroyed when the oil ignited. When titanium was ground with aluminum oxide belts, a water lubricant was less...
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
..., slotting, surface grinding, and thermal cutting. Selected References Selected References The following listing provides references that contain tool life charts. These items may prove very helpful when making selections for milling titanium. • “ Machining ,” Metals Handbook Desk Edition , 2nd...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770171
EISBN: 978-1-62708-337-9
... temper for 3 h, grind 114 Quench, subzero treat, 150 °C temper for 3 h, grind, 140 °C temper for 3 h 133 Quench, subzero treat, 150 °C temper for 3 h, grind, 140 °C temper for 24 h 153 Source: Ref 20 Fig. 7.20 Effect of tempering temperature and time on impact toughness...
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
... alloying elements. The steeper the slope is, the greater the hardness reduction on tooth surface after grinding will be. In addition, grinding machine setup plays an important role in the equal amount of stock removal from each flank of the gear teeth and its associated hardness reduction. To establish...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480293
EISBN: 978-1-62708-318-8
... ... ... ... ... Modern machine tools ... -- X X ... ... ... ... Speed/feed/cutting fluid ... X ... X X X X ... Careful handling ... ... ... ... X ... ... ... Stress relief ... ... ... ... X X ... ... Surface grinding Table 13.23 Surface grinding Material...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400169
EISBN: 978-1-62708-258-7
... pressure can result in damage, as discussed previously. In most metallographic specimens, this damaged region can be removed by grinding. However, it is poor practice. Most coolants contain a rust inhibitor to minimize rusting of the freshly cut surface and the exposed parts of the machine. The coolant...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040319
EISBN: 978-1-62708-300-3
...Abstract Abstract This chapter defines near-net shape forging as the process of forging parts close to their final dimensions such that little machining or only grinding is required as a final step. It then describes the causes of dimensional variations in forging, including die deflection...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770199
EISBN: 978-1-62708-337-9
.... , and Shepherd D. , Metal Removal by a Single Abrasive Grit , Machinability, Special report 94 , The Iron and Steel Institute , 1967 , p 25 – 29 2. Mikhailov A.A. , The Origin of Grinding Cracks , Russ. Eng. J. , Vol XLVIII ( No. 9 ), 1968 , p 73 – 76 3. Schreiber E...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130417
EISBN: 978-1-62708-284-6
... Induction Surface Hardening and Finished Grinding Conditions in Order to Ensure High Compressive Residual Stresses on Machine Parts Surface , Mater. Sci. Forum , Vol 426–432 , 2003 , p 2599 – 2604 10.4028/www.scientific.net/MSF.426-432.2599 55. Parrish G. , Ingham D.W. , and Chaney...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850060
EISBN: 978-1-62708-260-0
... with hacksawing and other machining and grinding operations, as summarized in Table 2-1 . Because the damage depth may be substantial, a significant amount of metal must be removed in grinding to produce a strain-free surface and the true microstructure. Depth of plastically deformed layer produced on annealed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400087
EISBN: 978-1-62708-258-7
... machine. Either way, the specimen must be ground flat through several consecutive grinding papers, usually starting at 120 grit and ending at 600 grit. Grinding is usually done wet. In most laboratories using hand grinding procedures, three or more consecutive and adjacent rotary wheels are in place, each...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900119
EISBN: 978-1-62708-350-8
... procedures. However, it will help to manage and minimize the amount of distortion due to stress relieving during the nitriding process. After gas nitriding, the growth region can be machined by grinding or lapping. However, remember that the reason for grinding is to machine-to-size after nitriding...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120079
EISBN: 978-1-62708-269-3
.... Titanium and its alloys are susceptible to surface damage during machining operations; this is particularly true during grinding. Titanium alloys are less forgiving of surface defects in fatigue-limited operations than are some metals. Care must be exercised to avoid the loss of surface integrity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610263
EISBN: 978-1-62708-303-4
... of bolt-nut assemblies with rolled threads and machined threads ( R = –1). Source: Ref 2 Fig. 3 Fatigue life of riveted joints with different tension (T)/shear (S)/bearing (B) ratios. Source: Ref 3 Fig. 13 Comparison of fatigue behavior of a welded joint and parent metal. Source...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610147
EISBN: 978-1-62708-303-4
.../longitudinal 0.68 0.86 Hardness, HRC 27 29 Source: Ref 25 Effect of method of machining on fatigue strength Table 2 Effect of method of machining on fatigue strength Alloy Machining operation Endurance limit in bending, 10 7 cycles Gentle grinding, % MPa ksi 4340 steel...