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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 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
.... 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 and electronic control components ( Fig. 12.19 ). The core of the machine is a robust cast steel forging box that absorbs all forging forces ( Fig...
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 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 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 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
.... When one considers the winding of a helical path of a constant winding angle, it is purely a matter of maintaining a constant relationship between the distances the machine carriage travels per rotation of the mandrel. Any number of mechanical systems can achieve this, the usual methods being gear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860007
EISBN: 978-1-62708-338-6
... this time in the early 1940s until well into the 1980s, most filament winding machines were simple mechanically controlled pieces 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...
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
.... , Vossen K. , and Stromgren M. , Powder Forging of Helical Gears for Car Manual Gear Boxes—Concept and Properties , Met. Powder Rep. , Vol 45 ( No. 4 ), 1990 , p 269 – 273 10.1016/S0026-0657(10)80053-0 6. Powder Metallurgy Design Manual , Metal Powder Industries Federation , 1994...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410091
EISBN: 978-1-62708-280-8
... cracking Pressure tightness Resistance to corrosion Wear + low expansion coefficient Alloy choice Heat treatment choice Transmission housings, differential carriers, gear boxes, lawn mower parts X X X … … … … 380 A 380, 383 F Outboard marine parts, instrument panels, irrigation parts...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.9781627082808
EISBN: 978-1-62708-280-8
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060065
EISBN: 978-1-62708-355-3
... for loading the specimen. Gear driven test machines have a maximum crosshead speed limited by the speed of the electric motor in combination with the design of the gear box transmission. Crosshead speed of hydraulic machines is limited to the capacity of the hydraulic pump to deliver a steady pressure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060149
EISBN: 978-1-62708-261-7
... by the speed of the electric motor in combination with the design of the gear box transmission. Crosshead speeds of hydraulic machines is limited to the capacity of the hydraulic pump used to deliver a steady pressure on the piston of the actuator or crosshead. The cross section of a typical gear-driven...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310203
EISBN: 978-1-62708-326-3
... 0.55 1.85 … 0.25 Nickel/molybdenum steel commonly used in automotive applications (camshafts, cams, gear box, steering arm sector shafts, transmission components). Used only where nominal hardenability and core response are required 4820 High 0.2 0.60 3.5 … 0.25 Increased nickel content...