1、01FTM7Chemically Accelerated Vibratory Finishingfor the Elimination of Wear and Pitting ofAlloy Steel Gearsby: M. Michaud, G. Sroka and L. Winkelmann,REM Chemicals, Inc.TECHNICAL PAPERAmerican Gear ManufacturersAssociationChemically Accelerated Vibratory Finishing for theElimination of Wear and Pitt
2、ing of Alloy Steel GearsMark Michaud, Gary Sroka and Lane Winkelmann, REM Chemicals, Inc.Thestatementsandopinionscontainedhereinarethoseoftheauthorandshouldnotbeconstruedasanofficialactionoropinion of the American Gear Manufacturers Association.AbstractChemicallyAcceleratedVibratoryFinishingiscapabl
3、eofrefininghundredsofgearsperhourtoasuperfinishedisotropiccondition. This robust commercial technology virtually eliminates wear and contact fatigue pitting. Studies haveconfirmedthisprocessismetallurgicallysafeforboththroughhardenedandcasecarburizedalloysteels. TheisotropicsuperfinishachievesanRa1.
4、5G6din.whilemaintainingatleastanAGMA12qualitynumber. Metrology,Topography,ScanningElectronMicroscopy,Photomicroscopy,HydrogenEmbrittlement,andRollingSlidingContactFatigueresultsare presented. Examples of OEM production and high performance racecar transmissions are included. Additionalproven applica
5、tions of Chemically Accelerated Vibratory Finishing are: helicopter gearboxes, battlefield tanktransmissions, hydraulic pumps, turboprop engines, earth moving equipment, and wind turbine generators.Copyright Ge3 2001American Gear Manufacturers Association1500 King Street, Suite 201Alexandria, Virgin
6、ia, 22314October, 2001ISBN: 1-55589-786-X1 Chemically Accelerated Vibratory Finishing for the Virtual Elimination of Wear and Pitting for Steel Gears Lane Winkelmann*, Mark Michaud*, Gary Sroka*, A. Alan Swiglo+, and Danny Mahan#* REM Chemicals, Inc., Brenham, TX + IIT Research Institute, Chicago, I
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8、ng Contact Surface and “No-Run-In” Performance Bearings.” 4. Patching M.J., Evans H.P., Snidle R.W., “Micro EHL Analysis of Ground and Superfinished Steel Discs Used to Simulate Gear Tooth Contacts”, Tribology Transactions, (1996) 36 595-602 ISSN 0569-8197. 5. Britton R.D., Elcoate C.D., Alanou M.P.
9、, Evens H.P., Snidle R.W., Proc. STLE/ASME Tribology Conference; Orlando, Fl (1999) “Effect of Surface Finish on Gear Tooth Friction.” 6. Hashimoto F.F.H., Zhou R.S., Howlett K., U.S. Patent 5,503,481 (1996) “Bearing Surfaces with Isotropic Finish,” (Assigned to REM Chemicals, Inc., Southington, CT.
10、) 7. Tanaka S., Ishibashi A., Ezoe S., 1984, “Appreciable Increases in Surface Durability of Gear Pairs With Mirror-Like Finish,” ASME Publication 84-DET-223, ASME, New York, NY. 8. Snidle R.W., Evans H.P., Alanou M.P., (1997), “The Effect of Superfinishing on Gear Tooth Profile,” Final Report on US
11、 Navy Contract N68171-96-C-9043, Report No AD-A327916 Defense Technology Information Center, Alexandra, Virginia, USA (1997) pp73. 9. Krantz T.L., Alanou M.P., Evans H.P., Snidle R.W., 2000, “Surface Fatigue Lives of Case-Carburized Gears With an Improved Surface Finish,” NASA/TM-2000-210044. 10. Pa
12、tching M.J., Kweh C.C., Evens H.P., Snidle R.W., “Conditions for Scuffing Failure of Ground and Superfinished Steel Disks at high Sliding Speeds Using a Gas Turbine Engine Oil,” Trans ASME Journal of Tribology, Vol.117, July 1995, 482-489. 11. Hoyashita S., Hashimoto M., Seto K., 1998, “Basic Studie
13、s on Fatigue Strength of Case-Hardened Gear SteelEffects of Shot Peening and/or Barrelling Processed,” AGMA Publications 98FTM9. 12. Manesh A., “Surface Enhancement for Increasing Load Bearing Density”, Proceedings of Defense Manufacturing Conference 2000, Foundation for Global Security, November 27
14、-30, 2000, Tampa, Florida. 13. Swiglo A. A., 2001, “Enhanced Surface Protection of Precision Gears,” INFAC Program, IIT Research Institute, sponsored by the U. S. Army Aviation and Missile Command (AMCOM) Contract DAAJ09-95-C-5046. 14. Quality Assurance of Chemical Measurements, John Keenan Taylor, Lewis Publishers, Inc., 6th Printing 1989, pages 25 26.
