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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270148
EISBN: 978-1-62708-301-0
...Abstract Abstract This chapter describes an investigation that was conducted to determine why quill shafts were failing prematurely in gear boxes on aircraft engines. The investigation focused on the splines in a splined bore. Visual examination showed that the splines were heavily worn...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270177
EISBN: 978-1-62708-301-0
...Abstract Abstract A driven gear in the gear box of an aircraft engine fractured after a 40 h test run. The driving gear and gear shaft were also damaged. Based on the results of fractography, chemical analysis, metallography, and hardness testing, the fracture was caused by a fatigue crack...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320163
EISBN: 978-1-62708-332-4
..., clamps, pulleys Road construction Bulldozer components, gear boxes, cable drums, brackets, excavator parts Power generation Reduction gear boxes, gears Wind power Hubs, gears, gear boxes, support frames Drilling and mining Slurry pumps, piping, valves Steel making Gears, gear boxes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270122
EISBN: 978-1-62708-301-0
... damage. The remaining portion of the failed shaft toward the accessory gear box end (driven end) was found bent at two locations in the form of “S” ( Fig. CH24.1 ). The sleeve covering the shaft was also damaged and jammed and it had to be cut open to remove the shaft. Fig. CH24.1 Broken quill...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460277
EISBN: 978-1-62708-285-3
... Gear Box Repair ,” SERDP/ESTCP Surface Finishing Workshop 11.4 “ Moog Advanced Surface Repair Capabilities, Cold Spray Technology and Services ,” http://www.moog.com/literature 11.5 Leyman P.F. and Champagne V.K. , “ Cold Spray Process Development for the Reclamation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460227
EISBN: 978-1-62708-285-3
... of different components made from magnesium and aluminum alloys. Cast magnesium and aluminum alloys are used in aircraft components such as gear boxes and transmission housings because of their light weight, high strength-to-weight ratios, and lower manufacturing costs. The gear boxes and transmission housings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040141
EISBN: 978-1-62708-300-3
... for relatively short components and are difficult to automate. The horizontal models are built in several variations depending on the application. The horizontal machines consist of a forging box with gear drive, one or two chuck heads to manipulate the workpiece, centering devices, and necessary hydraulic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320159
EISBN: 978-1-62708-347-8
.... The chapter concludes with a case history describing the application of ion nitriding to an internal ring gear of an epicyclic gearbox. gear boxes internal ring gears ion nitriding plasma nitriding SEVERAL LIMITATIONS in designing optimum gears with conventional nitriding have led researchers...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270025
EISBN: 978-1-62708-301-0
... in this chapter. In a turbogenerator, the turbine was coupled to the gear box by a set of bolts and nuts. In addition, the nuts were also welded to the bolts. One of the nuts failed and the turbine was separated from the gear box, resulting in a catastrophe. Macroscopic examination after sectioning the bolt...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320031
EISBN: 978-1-62708-332-4
.... The high tensile and fatigue strengths position ductile iron as the material of choice for safety-critical applications such as brake calipers, steering knuckles, and heavy-duty lower control arms. Gear boxes and differential carriers for off-highway vehicles and hydraulic valve bodies are some other...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320063
EISBN: 978-1-62708-332-4
... box tooling, core sand binder cost, core-making labor, core removal, core cavity cleaning, and sand reclamation. Open pockets formed in the mold shake out easily. These are cleaned easily by shot-blasting, but sand recycling is simpler. Figure 6.15(a) shows the cored concept of a light-duty gear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410247
EISBN: 978-1-62708-280-8
... set sand casting 206 T7/T4 Brake calipers Gravity permanent mold casting, semi-permanent mold casting 354 T6, 357 T6 Gear boxes and transmission housings Gravity permanent mold casting, low pressure permanent mold casting A 356 T6 Automotive Cylinder blocks Die casting A 380 T4/T5...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.9781627083324
EISBN: 978-1-62708-332-4
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410029
EISBN: 978-1-62708-280-8
..., super charger lobes and housings Cylinder heads, twin piston calipers, engine crank cases, oiler adapters, differential carriers, intake manifolds, water pump bodies Truck and diesel Transmission housings, engine front covers, gear boxes … Farm equipment Transmission housings, oil pans, gear...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320133
EISBN: 978-1-62708-347-8
... and the applications of nitrided gears are also provided. The chapter presents case studies on successful nitriding of a gear and on the failure of nitrided gears used in a gearbox subjected to a load with wide fluctuations. bending-fatigue life distortion fatigue damage gas nitriding gear boxes gears...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320103
EISBN: 978-1-62708-332-4
... A159-77 SAE J431 Automotive, gray iron castings G1800 187 max Ferritic-pearlitic Machinability needed, high strength not required G2500 170-229 Pearlitic-ferritic Small blocks and heads, pistons, clutch plates, gear boxes G2500a 170-229 3.4% carbon min Graphite size 2-4 15% max ferrite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.9781627083010
EISBN: 978-1-62708-301-0
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860035
EISBN: 978-1-62708-338-6
... achieve this, the usual methods being gear boxes, belts/pulleys, and chains/sprockets. Achieving a constant pitch was the first requirement for the mechanical machine programmer. However, the product design engineer demands specific wind angles for the pipe to optimize the performance of the composite...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250139
EISBN: 978-1-62708-345-4
... for Powder Metallurgy Gears , Powder Metall. Sci. Technol. , Vol 2 ( No. 3 ), April 1991 , p 25 – 42 4. Met. Powder Rep. , Vol 43 , 1988 , p 536 5. Konig W. , Rober G. , Vossen K. , and Stromgren M. , Powder Forging of Helical Gears for Car Manual Gear Boxes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860007
EISBN: 978-1-62708-338-6
... of equipment that used a gear box to determine the winding angle and a chain of a given length to define the length of the part to be wound. Figure 2.2 shows an early Entec vertical winding machine used to build a large rocket motor. To make a change to the winding angle, one had to manually adjust...