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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 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 and covered...
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Published: 31 March 2024
Fig. 3.24 Vibration data from 22 MW generator set gear box. cpm, cycles per minute More
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Published: 01 June 2016
Fig. 9.1 Magnesium gear box housing showing damage to the pads. Courtesy of the Army Research Laboratory More
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Published: 01 January 2022
Fig. 6.45 Improved gear box design More
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 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 initiating...
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Published: 31 March 2024
Fig. 3.23 Variations in amplitude at gear mesh frequency from no load to full load recorded on a gas turbine generator set gear box More
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Published: 01 June 2016
Fig. 11.2 Magnesium repair by cold spray in the UH-60 helicopter. (a and b) Corroded transmission housing that was repaired by using (c) a cold-sprayed commercial-purity aluminum/Al-6061 coating. (d) Dented gear box component before and (e) after cold spray coating. (f) Macro More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270122
EISBN: 978-1-62708-301-0
... 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 shaft and damaged sleeve Testing...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 March 2024
DOI: 10.31399/asm.tb.gvar.t59360051
EISBN: 978-1-62708-435-2
... sinusoidal at 15.5 MW. Fig. 3.23 Variations in amplitude at gear mesh frequency from no load to full load recorded on a gas turbine generator set gear box The position and relative strength of the mesh frequency sidebands are considered a promising indicator of gear condition. Subsequently...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040141
EISBN: 978-1-62708-300-3
... 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 and electronic control components ( 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
... 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 to work...
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Published: 30 April 2020
Fig. 6.8 Tooling pieces and assembly for die compaction of the cluster gear shown in the box. The two-level gear requires a core rod, inner and outer lower punches, die, and upper punch, with motions coordinated to properly position and compact the granules. More
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Published: 01 February 2005
Fig. 12.20 Forging box of a radial precision forging machine illustrating the tool function and adjustment. (a) Dies. (b) Pitman arm. (c) Guides. (d) Eccentric shaft. (e) Adjustment housing. (f) Adjustment screw. (g) Worm gear drive. (h) Adjustment input. (i) Adjustable cam. (k) Forging box More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320163
EISBN: 978-1-62708-332-4
... 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 Locomotive Gears and gear boxes...
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Published: 01 November 2012
Fig. 45 17-4 PH stainless steel main landing gear deflection yoke that failed because of intergranular stress-corrosion cracking. (a) Macrograph of fracture surface. (b) Higher-magnification view of the boxed area in (a) showing area of intergranular attack. Courtesy of W.L. Jensen, Lockheed More
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.t59370177
EISBN: 978-1-62708-447-5
... housings, engine front covers, 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460277
EISBN: 978-1-62708-285-3
... in the Defense Industry,” in this book. One of the successful applications for cold spray is in repair of magnesium alloy parts ( Ref 11.1 – 11.3 ) for U.S. Army and Navy aircraft components, such as fan blades, landing gears, transmission and gear box housing for rotorcraft, and advanced fixed-wing...
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: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.t59370167
EISBN: 978-1-62708-447-5
... supports, shock towers, A, B and C pillar supports Motor bike parts Cylinder blocks, gear boxes, crank cases Outboard marine parts Blocks, brackets, gear box housings, marine hardware Agricultural machinery Crank cases, gear boxes Aircraft parts Seat supports, luggage compartment brackets...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1985
DOI: 10.31399/asm.tb.sagf.t63420027
EISBN: 978-1-62708-452-9
..., and abrasive. As contacting surfaces become smooth, the rate of this debris production becomes nil. For this reason, many gear box assemblies have a running-in period at the assembly department, or the customer is instructed to completely flush the system and replace the entire supply of lubricant after 50...