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Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006354
EISBN: 978-1-62708-192-4
... the applications of oil and gear lubricants and the types of standardized gear tests. The article presents some recommendations for selecting lubricants and lubricant viscosity for enclosed gear. It provides some examples of failure modes that commonly occur on gears and bearings in wind turbine gearboxes...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006430
EISBN: 978-1-62708-192-4
... collectors for ESA measurements and illustrates the evaluation of broken rotor bars and a broken shaft. It describes the detection of faults in bearings using ESA and provides information on the investigation of gearboxes and related components in a wind generator. bearings electrical signature...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003569
EISBN: 978-1-62708-180-1
..., and gearboxes. It provides information on the cavitation resistance of materials and other prevention parameters. The article describes two American Society for Testing and Materials (ASTM) standards for the evaluation of erosion and cavitation, namely, ASTM Standard G 32 and ASTM Standard G 73. It concludes...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002457
EISBN: 978-1-62708-194-8
... high 8 Pump is in wrong area for transportation 8 Standing pilot rating is not high enough 4 Plastic drain valve handle is too brittle 1 Recommended changes to the helicopter gearbox design Table 5 Recommended changes to the helicopter gearbox design See Example 2 in text...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003327
EISBN: 978-1-62708-176-4
... (ISO) 6336, base gear performance on contact and bending stresses. Nominal stresses are determined from first principles and are then modified to allow for the realities of manufactured gears running in actual gearboxes. This modification approximates a reasonable upper limit for the range of stress...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005334
EISBN: 978-1-62708-187-0
... in the Application of Magnesium in Helicopter Gearboxes , Proc. Third International Magnesium Conference , 1996 22. Duffy L. , Magnesium Alloys: the Light Choice for Aerospace , Mater. World , Vol 4 , 1996 , p 127 – 130 23. King J. , Lyon P. , and Savage K. , Influence...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003476
EISBN: 978-1-62708-195-5
...) F110-400 exhaust nozzle flap Fig. 11 Composite PMR hybrid swirl frame Fig. 12 GE27 engine with carbon-PMR inlet particle separator Fig. 13 GE27 carbon-PMR accessory gearbox Fig. 14 GE YF120 engine with carbon-PMR parts Fig. 15 Possible and committed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001815
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004127
EISBN: 978-1-62708-184-9
... extensively damaged structure and insert a replacement section. Gearbox supports Surface and intergranular Moisture intrusion V RBR. Item replaced if damage is extensive Lower longerons Galvanic (aluminum extrusion with stainless steel webs), intergranular Moisture intrusion V RBR. Item replaced...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006383
EISBN: 978-1-62708-192-4
... ), repeating failures of Wankel engines by contact fatigue triggered development of a method for condition monitoring of an open-loop system. In contrast to the case of helicopter gearboxes, no maintenance manual and definition of baseline are available from the manufacturer of this system. In the second case...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006792
EISBN: 978-1-62708-295-2
.... Tabor D. , The Mechanism of Rolling Friction II: The Elastic Range , Proc. R. Soc. (London) A, Mat. Phys. Sci. , Vol 229 ( No. 1177 ), 1955 , p 198 – 220 10.1098/rspa.1955.0082 2. Glantz W. , Contamination in Lubrication Systems for Bearings in Industrial Gearboxes , Ball Bear...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003109
EISBN: 978-1-62708-199-3
... to SC iron is undesirable because of the less favorable casting properties of the SG iron. Examples include bed plates for large diesel engines, crankcases, gearbox housing, turbocharger housing, connecting forks, bearing brackets, pulleys for truck servodrives, sprocket wheels, and eccentric gears...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006368
EISBN: 978-1-62708-192-4
... problems in moving engine parts, ranging from wear to generation of cracks and a total failure. Elasha et al. ( Ref 1 ) analyzed vibration and acoustic emission signals to identify bearing defects of a gearbox. This is considered a complex dynamic system with a variety of unwanted noise in the signal...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006258
EISBN: 978-1-62708-169-6
... found automotive applications such as crash members ( Ref 3 ) and wheel rims, and aerospace applications such as door panels, gearboxes ( Ref 4 ), and transmissions ( Ref 5 ). It is interesting to note that the use of magnesium in cars is by no means a recent innovation. As early as the 1930s...
Book Chapter

By Lance A. Ealey
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002435
EISBN: 978-1-62708-194-8
... transmissions were generating higher warranty costs and customer complaints about noise than the Japanese gearboxes. So, the American company disassembled and measured samples of transmissions made by both companies. At first, the American company thought its gages were malfunctioning—it couldn't find any...
Book Chapter

Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004221
EISBN: 978-1-62708-184-9
... Aircraft Corrosion” in this Volume. Fig. 10 EA-6B slat gearbox limit switch following ASTM B117 neutral salt spray corrosion testing (a) with MIL-L-87177 corrosion-inhibiting lubricant and (b) without MIL-L-87177 corrosion-inhibiting lubricant. Courtesy of J. Benfer, Naval Air Depot...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003484
EISBN: 978-1-62708-195-5
..., turbocharger and supercharger compressors, and suspension components ( Ref 1 ). In addition, they have been cited for clutch parts, suspension pushrods and rockers, as well as other gearbox and engine parts ( Ref 10 ). Discontinuously reinforced titanium is also under consideration for some of these components...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006533
EISBN: 978-1-62708-207-5
... volume of the aluminum castings poured in sand molds is lower than high-pressure die casting and permanent molds. However, high-integrity components such as engine blocks, cylinder heads, and helicopter gearboxes for aerospace and automotive castings make the process high value. Figure 1 shows...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005869
EISBN: 978-1-62708-167-2
.../Replacement of Case Hardened Gearbox Components in the Automotive as well as Airplane Industry through Contour True Induction Hardening,” HES ‘07 Heating by Electromagnetic Sources , June 19–22, 2007 ( Padua ) 12. Kelly T.J. , Newsome M.R. , and Carter M.D. , in Proc. of First...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.9781627081696
EISBN: 978-1-62708-169-6