Publication List
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1. DESIGN, FABRICATE, TEST, AND EVALUATE SPIRAL BEVEL SUPPORT BEARINGS (TAPERED ROLLER)
December 1972 - A. J. Lemanski, J. W. Lenski, Jr., and R. J. Drago, Contract DAAJ02-71-0025, Eustis Directorate, U. S. Army Mobility and Research Development Laboratory, Fort Eustis, VA
2. TEST RESULTS REPORT - GEAR TOOTH FORM EVALUATION, PE 327, HLH
November 1973 - R. J. Drago, Contract DAAJ01-71-C-0840 (P40), Boeing Document No. T301-10253-1
3. AN ANALYTICAL AND EXPERIMENTAL INVESTIGATION OF THE CONTACT CONDITIONS AT THE ROLLER END/CONE RIB OF A TAPERED ROLLER BEARING
November 1973 - R. J. Drago and J. W. Lenski, Jr., AGMA Paper No. 109.32, American Gear Manufacturers Association, 1973 Semi-Annual Meeting, New Orleans, Louisiana
4. NUTATING MECHANICAL TRANSMISSION (MAROTH DRIVE PRINCIPAL)
January 1974 - R. J. Drago and A. J. Lemanski, Contract N00014-72-C-0272, Department of the Navy, Office of Naval Research, Arlington, VA, DDC No. AD777988
5. HEAVY LIFT HELICOPTER BRINGS UP DRIVE IDEAS
March 1974 - R. J. Drago, Power Transmission Design, Pages 49-63
6. HIGH FREQUENCY VIBRATION MONITORING FOR GEAR/BEARING SYSTEM FAILURE DETECTION
October 1975 - R. J. Drago and D. B. Board, AGMA Paper No. 109.36, American Gear Manufacturers Association 1975 Semi-Annual Meeting, Montreal, Canada
7. LOAD CAPACITY RATING OF INVOLUTE SPLINES
February 1976 - R. J. Drago, Machine Design, Pages 104-109
8. HELICOPTER DRIVE SYSTEM DESIGN WITH APPLICATIONS OF ADVANCED TECHNOLOGY
April 1976 - Invited Lecture, R. J. Drago, Rochester Section, American Society of Mechanical Engineers, Rochester, NY
9. LIMITATIONS OF CURRENT TOOTH ROOT STRESS ANALYSIS
May 1976 - R. J. Drago, AGMA Paper No. 220.20, American Gear Manufacturers Association, Aerospace Gearing Committee Meeting, Atlanta, Georgia
10. HIGH FREQUENCY VIBRATION MONITORING TECHNIQUES FOR INCIPIENT FAULT DETECTION IN SPIRAL BEVEL GEAR SYSTEMS
April 1977 - R. J. Drago and R. B. Aronson, AGMA Paper No. 109.38, American Gear Manufacturers Association, Aerospace Gearing Committee Meeting, Orlando, FL
11. PREDICTING THE OCCURRENCE AND MONITORING THE PROGRESSION OF FAILURES IN ROTATING MACHINERY
October 1977 - R. J. Drago, Illinois Institute of Technology, National Conference on Power Transmission, Chicago, IL
12. ENGINEERING SERVICES TO CONDUCT QUALIFICATION TESTING OF PRECISION FORGED SPIRAL BEVEL GEARS
October 1977 - R. J. Drago, AVRADCOM Report No. 76-45, U. S. Army Aviation Research and Development Command, St. Louis, MO
13. PRELIMINARY SURFACE LOAD CAPACITY EVALUATION OF PRECISION, INTEGRALLY FORGED SPIRAL BEVEL GEARS
November 1977 - R. J. Drago, AGMA Paper No. 219.09, American Gear Manufacturers Association, 1977 Semi-Annual Meeting, New Orleans, LA
14. HELICOPTER TRANSMISSION VIBRATION AND NOISE REDUCTION PROGRAM - VOLUME 1, TECHNICAL REPORT
March 1978 - R. J. Drago, R. W. Howells, J. W. Lenski, Jr., E. G. Schaffer, and J. J. Sciarra, USARTL-TR-78-2A, Applied Technology Laboratory, U. S. Army Research and Technology Laboratories (AVRADCOM), Fort Eustis, VA
15. HELICOPTER TRANSMISSION VIBRATION AND NOISE REDUCTION PROGRAM - VOLUME 2, USER'S MANUAL
March 1978 - R. J. Drago, R. W. Howells, J. W. Lenski, Jr., E. G. Schaffer, and J. J. Sciarra, USARTL-TR-78-2A, Applied Technology Laboratory, U. S. Army Research and Technology Laboratories (AVRADCOM), Fort Eustis, VA
16. ON THE DESIGN AND MANUFACTURE OF INTEGRAL SPIRAL BEVEL GEARS FOR THE CH-47D HELICOPTER
March 1979 - R. J. Drago, American Gear Manufacturers Association, Aerospace Gearing Committee Meeting, Lake Tahoe, NE
17. INCIPIENT FAILURE DETECTION
February 1979 - R. J. Drago, Power Transmission Design, Pages 40-45
18. AN ANALYTICAL APPROACH TO THE SOURCE REDUCTION OF NOISE AND VIBRATION IN HIGHLY LOADED MECHANICAL POWER TRANSMISSION SYSTEMS
July 1979 - R. J. Drago, J. W. Lenski, Jr., and A. Royal, Fifth World Congress on the Theory of Machines and Mechanisms, Concordia University, Montreal, Canada
19. NOISE AND VIBRATION REDUCTION IN HELICOPTER GEARBOXES
April 1979 - R. J. Drago and G. A. Pizzigati, American Institute of Aeronautics and Astronautics / American Society of Mechanical Engineers / American Society of Civil Engineers / American Helicopter Society, 20th Joint Structural Dynamics and Materials Conference, St. Louis, MO
20. THE PROBLEM OF RESONANT RESPONSE OF HIGH SPEED, LIGHT WEIGHT HELICOPTER GEARING
April 1979 - R. J. Drago and F. W. Brown, American Institute of Aeronautics and Astronautics / American Society of Mechanical Engineers / American Society of Civil Engineers / American Helicopter Society, 20th Joint Structural Dynamics and Materials Conference, St. Louis, MO
21. HOW TO MAKE HIGH EFFICIENCY GEARS THAT COST LESS
April 1979 - R. J. Drago, Production, Pages 90-92
22. AN ANALYTICAL APPROACH AND SELECTIVE STIFFENING TECHNIQUE FOR THE SOURCE REDUCTION OF NOISE AND VIBRATION IN HIGHLY LOADED MECHANICAL POWER TRANSMISSION SYSTEMS
September 1979 - R. J. Drago, J. W. Lenski, Jr., and A. C. Royal, Fifth European Rotorcraft and Powered Lift Aircraft Forum, Amsterdam, The Netherlands
23. WHY GEARS EXPLODE
July 1979 - R. J. Drago and F. W. Brown, Power Transmission Design, Pages 77-80
24. THE ANALYTICAL AND EXPERIMENTAL EVALUATION OF RESONANT RESPONSE IN HIGH SPEED, LIGHT WEIGHT, HIGHLY LOADED GEARING
August 1980 - R. J. Drago and F. W. Brown, ASME Paper No. 80-C2/DET 22, Third International Power Transmission and Gearing Conference, San Francisco, CA
25. RECENT ADVANCES IN THE EVALUATION OF STRESSES IN HIGH SPEED, LIGHT WEIGHT, HIGHLY LOADED GEARING
August 1980 - R. J. Drago, F. W. Brown, and H. S. Faust, International Conference on Reliability, Stress Analysis, And Failure Prevention, San Francisco, CA
26. SOME PROGRESS IN THE ACCURATE EVALUATION OF TOOTH ROOT AND FILLET STRESSES IN LIGHT WEIGHT, THIN RIMMED GEARS
October 1980 - R. J. Drago and G. A. Pizzigati, AGMA Paper No. 229.21, American Gear Manufacturers Association Fall Technical Meeting, Washington, DC
27. NEW APPROACH FOR ANALYZING TRANSMISSION NOISE
November 1980 - R. J. Drago, Machine Design, Pages 114-120
28. HOW TO DESIGN QUIET TRANSMISSIONS
December 1980 - R. J. Drago, Machine Design, Pages 175-181
29. MINIMIZING NOISE IN TRANSMISSIONS
January 1981 - Raymond J. Drago, Machine Design, Pages 143-148
30. AN EXPERIMENTAL INVESTIGATION OF THE COMBINED EFFECTS OF RIM THICKNESS AND PITCH DIAMETER ON SPUR GEAR TOOTH ROOT AND FILLET STRESSES
October 1981 - Raymond J. Drago and Ronald V. Lutthans, AGMA Paper No. P229.22, Fall Technical Meeting, Toronto, Canada
31. ON THE AUTOMATIC GENERATION OF FEM MODELS FOR COMPLEX GEARS - A WORK-IN-PROGRESS REPORT
February 1982 - Raymond J. Drago, American Gear Manufacturers Association Aerospace Gearing Meeting, San Diego, CA
32. FUNDAMENTALS OF GEAR DESIGN
Seminar Text, Copyright 1982, Raymond J. Drago (807 Pages)
33. LE SOLLECITAZIONI DELLA RADICE E DEL RACCORDO DENTE NEGLI INGRANAGGI CILINDRICI
June 1982 - Raymond J. Drago, Oragami Di Transmissione, Pages 44-55 (Journal of the Italian Gear Manufacturers Association, In Italian)
34. CONTINUING EDUCATION - ON THE ECONOMY PLAN
September 1982 - Raymond J. Drago and Leonard Marchinski, Mechanical Engineering, Volume 104, Number 9, Pages 67-71
35. AN IMPROVEMENT IN THE CONVENTIONAL ANALYSIS OF GEAR TOOTH BENDING FATIGUE STRENGTH
October 1982 - Raymond J. Drago, AGMA Paper No. P229.24, American Gear Manufacturers Association Fall Technical Meeting, New Orleans, LA
36. GEAR SYSTEM DESIGN FOR MINIMUM NOISE
Seminar Text, Copyright 1982, Raymond J. Drago (205 Pages)
37. DEVELOPMENTS IN THE DESIGN, ANALYSIS, AND FABRICATION OF ADVANCED TECHNOLOGY TRANSMISSION ELEMENTS
November 1982 - Raymond J. Drago and J. W. Lenski, Jr., AHS Paper No. RWP-12, American Helicopter Society Rotary Wing Propulsion System Specialists Meeting, Williamsburg, VA (17 Pages)
38. OPTIMUM LUBRICATING OIL STUDY
February 1983 - Raymond J. Drago, Naval Air Propulsion Test Center Contract N00140-82-C-3722, Final Technical Report (101 Pages)
39. TECHNICAL REPORT Volume I, LARGE ROTORCRAFT TRANSMISSION TECHNOLOGY DEVELOPMENT PROGRAM
February 1983 - Raymond J. Drago and B. R. Uppaluri, NASA Report CR-168116, National Aeronautics and Space Administration, Cleveland, OH (241 Pages)
40. COMPUTER PROGRAM USERS MANUAL - Volume II, LARGE ROTORCRAFT TRANSMISSION TECHNOLOGY DEVELOPMENT PROGRAM
February 1983 - Raymond J. Drago and B. R. Uppaluri, NASA Report CR-168117, National Aeronautics and Space Administration, Cleveland, OH (173 Pages)
41. COMPUTER PROGRAM FLOW CHARTS - Volume III, LARGE ROTORCRAFT TRANSMISSION TECHNOLOGY DEVELOPMENT PROGRAM
February 1983 - Raymond J. Drago and B. R. Uppaluri, and G. P. Walsh, NASA Report CR-168118, National Aeronautics and Space Administration, Cleveland, OH (307 Pages)
42. COMPUTER PROGRAM PARAMETER INDICES AND LISTINGS - Volume IV, LARGE ROTORCRAFT TRANSMISSION TECHNOLOGY DEVELOPMENT PROGRAM
February 1983 - Raymond J. Drago, B. R. Uppaluri, and G. P. Walsh, NASA Report CR-168119, National Aeronautics and Space Administration, Cleveland, OH (403 Pages)
43. DEVELOPMENT OF LARGE ROTORCRAFT TRANSMISSIONS
May 1983 - Raymond J. Drago, N. E. Samanich, and J. C. Mack, American Helicopter Society, Thirty Ninth Annual Forum, St. Louis, MO (10 Pages)
44. COMBINED EFFECTS OF RIM THICKNESS AND PITCH DIAMETER ON SPUR GEAR TOOTH STRESSES
July 1983 - Raymond J. Drago and R. V. Lutthans, Journal of the American Helicopter Society, Washington, DC (7 Pages)
45. RESULTS OF AN EXPERIMENTAL PROGRAM UTILIZED TO VERIFY A NEW GEAR TOOTH STRENGTH ANALYSIS
October 1983 - Raymond J. Drago, American Gear Manufacturers' Association, Fall Technical Meeting, Montreal, Canada (57 Pages)
46. BEVEL GEAR ASSEMBLY AND PATTERNING
October 1983 - Raymond J. Drago, Seminar Text
47. ADVANCED TECHNOLOGY TRANSMISSION ELEMENTS
October 1983 - Raymond J. Drago and Joseph W. Lenski, Jr. Journal of the American Helicopter Society, Washington, DC, Volume 28, Number 4, Pages 44 - 53 (10 Pages)
48. EVALUATION OF BEVEL GEAR LOAD CAPACITY
May 1984 - Raymond J. Drago, Bevel Gear Clinic, Society of Manufacturing Engineers, Rochester, NY (44 Pages)
49. SPECIAL POWER TRAIN REQUIREMENTS FOR THE NEXT GENERATION OF ROTARY-WING AIRCRAFT
October 1984 - Raymond J. Drago and Joseph W. Lenski, Jr. Advisory Group For Aerospace Research and Development, North Atlantic Treaty Organization (NATO), Neuilly Sur Seine, France: Presented at the 64th Symposium of the Propulsion and Energetics Panel on Gears and Power Systems for Helicopters and Turboprops, Lisbon, Portugal (12 Pages)
50. ANALYTICAL AND EXPERIMENTAL TOOTH STRENGTH STUDY OF SPUR PLANET GEARS WITH INTEGRAL BEARINGS
October 1984 - Raymond J. Drago and Bapa R. Uppaluri, American Gear Manufacturer's Association, Fall Technical Meeting, Washington, DC (8 Pages)
51. GEAR TOOTH SURFACE DURABILITY TESTING WITH FULL SIZE SPECIMENS
October 1984 - Raymond J. Drago and H. James Nonemaker, American Helicopter Society, National Specialists Meeting, Williamsburg, VA (20 Pages)
52. UN CONTRIBUTO ALL'ANALISI CONVENZIONALE DELLA RESISTENZA A FATICIA A FLESSIONE DEGLI INGRANAGGI DENTATI
November 1984 - Raymond J. Drago, Oragami Di Transmissione, Pages 60-73 (Journal of the Italian Gear Manufacturers Association, In Italian)
53. A STUDY OF THE POTENTIAL BENEFITS OF THE DEVELOPMENT OF A DEDICATED HELICOPTER TRANSMISSION LUBRICANT
April 1985 - Raymond J. Drago, Pasquale Mangione, Raymond D. Wendrzycki, Advisory Group For Research and Development, North Atlantic Treaty Organization, Aircraft Gear and Bearing Tribological Systems Specialists Meeting, San Antonio, TX (11 Pages)
54. DESIGN GUIDELINES FOR HIGH-CAPACITY BEVEL GEAR SYSTEMS
September 1985 - Raymond J. Drago, SAE Technical Paper Series, Paper Number 851571, 1985 International Off-Highway & Powerplant Congress & Exposition, Society of Automotive Engineers, MECCA, Milwaukee, WI (17 Pages)
55. A STUDY OF THE POTENTIAL BENEFITS OF THE DEVELOPMENT OF A DEDICATED HELICOPTER TRANSMISSION LUBRICANT
October 1985 - Raymond J. Drago, Pasquale Mangione, Raymond D. Wendrzycki, SAE Technical Paper Series, Paper Number 851832, Aerospace Technology Conference & Exposition, Society of Automotive Engineers, Long Beach, CA (12 Pages)
56. CHAPTER 35, HELICAL GEARS, STANDARD HANDBOOK OF MACHINE DESIGN
1986 - Raymond J. Drago, Volume Edited by J. E. Shigley and C. R. Mischke, McGraw-Hill Publishing Company, New York (56 Pages)
57. ON THE STRENGTH OF A PLANET GEAR WITH AN INTEGRAL BEARING (A Revaluation)
October 1986 - Raymond J. Drago & Ravi Margasahayam, AGMA Technical Paper 86 FTM 9, Fall Technical Meeting, Hyatt Regency, Chicago, Il (13 Pages)
58. TOOTH STRENGTH STUDY OF SPUR PLANET GEARS
September/October 1986 - Raymond J. Drago & Bapa Uppaluri, GEAR TECHNOLOGY - The Journal of Gear Manufacturing, Pages 27-41
59. LARGE ROTORCRAFT DEVELOPMENT PROGRAM
November 1986 - Raymond J. Drago, American Helicopter Society Rotary Wing Propulsion Systems Specialists Meeting, Williamsburg, VA
60. STRESS ANALYSIS OF PLANET GEARS WITH INTEGRAL BEARINGS; 3D FINITE-ELEMENT MODEL DEVELOPMENT AND TEST VALIDATION
March 1987 - Raymond J. Drago & Ravi Margasahayam, 1987 MSC NASTRAN World Users' Conference, Los Angeles, CA (14 Pages)
61. FINITE-ELEMENT STRESS ANALYSIS OF HELICOPTER PLANETARY GEARS
May 1987 - Raymond J. Drago & Ravi Margasahayam, 43rd Annual Forum, American Helicopter Society, St. Louis MO. (15 Pages)
62. FINITE-ELEMENT STRESS ANALYSIS OF HELICOPTER PLANETARY GEARS
May 1987 - Raymond J. Drago, Advanced Gear Design Invited Lecture, The University of Pisa, Pisa, Italy
63. DEVELOPMENT OF A LARGE SPIRAL BEVEL GEAR ROTORCRAFT TRANSMISSION
June 1987 - Raymond J. Drago & John C. Mack, AIAA/SAE/ASME/ASEE 23rd Joint Propulsion Conference, San Diego, CA, (6 Pages)
64. CADAM-NASTRAN-PATRAN INTEGRATION IN THE DESIGN OF HELICOPTER GEARS
March 1988 - Raymond J. Drago, Ravi N. Margasahayam, and H. C. Lin, Spring National Design Engineering Conference, Chicago, IL, (14 Pages)
65. ANALYSIS OF THE RESONANT RESPONSE OF HELICOPTER GEARS WITH THE 3D FINITE-ELEMENT METHOD
March 1988 - Raymond J. Drago & Ravi Margasahayam, 1988 MSC/NASTRAN World User's Conference, Los Angeles, CA (15 Pages)
66. COMPARATIVE LOAD CAPACITY EVALUATION OF CBN-FINISHED GEARS
October 1988 - Raymond J. Drago, AGMA Fall Technical Meeting, New Orleans, LA, American Gear Manufacturers Association, Alexandria, VA (10 Pages)
67. FUNDAMENTALS OF GEAR DESIGN
1988 - Raymond J. Drago, Butterworth Publishers, Stoneham, MA, (560 Pages)
68. A NON-LINEAR FINITE ELEMENT APPROACH TO THE GEAR TOOTH LOAD SHARING PROBLEM
March 1988 - Raymond J. Drago & Ravi N. Margasahayam, 1989 MSC/NASTRAN World User's Conference, Los Angeles, CA (25 Pages)
69. GEAR TOOTH LOAD SHARING USING NON-LINEAR FINITE ELEMENT METHODS
November 1989 - Raymond J. Drago & Ravi Margasahayam, AGMA Fall Technical Meeting, Pittsburgh, PA, American Gear Manufacturers Association, Alexandria, VA (10 Pages)
70. CHAPTER 4, HELICAL GEARS, GEARING, A Mechanical Designer's Workbook
1990 - Raymond J. Drago, Volume Edited by J. E. Shigley and C. R. Mischke, McGraw-Hill Publishing Company, New York (72 Pages)
71. GEAR NOISE - THE MANUFACTURING CONNECTION
April 1990 - Raymond J. Drago, American Gear Manufacturers Association Gear Manufacturing Clinic, Radisson Hotel, Columbus, OH (22 Pages)
72. CHAPTERS 8 & 15, GEAR DESIGN - MANUFACTURING AND INSPECTION MANUAL
1990 - Raymond J. Drago, Volume Edited The SAE Gear & Spline Committee, SAE Publication AE-15, Society of Automotive Engineers, Warrendale, PA (25 of 643 Pages)
73. THE ADVANCED ROTORCRAFT TRANSMISSION PROGRAM, A STATUS REPORT
October 1990 - Raymond J. Drago, AGMA Fall Technical Meeting, Toronto, Ontario, Canada, American Gear Manufacturers Association, Alexandria, VA (15 Pages)
74. AIRCRAFT QUALITY HIGH TEMPERATURE VACUUM CARBURIZING
November 1990 - R. J. Cunningham and R. J. Drago, U. S. Army Materials Technology Laboratory Report MTL TR-90-42, U. S. Army Laboratory Command, Watertown, MA
75. CHAPTER 2, DUDLEY'S GEAR HANDBOOK, Second Edition
1991 - Raymond J. Drago, Volume Edited by Dennis Townsend, McGraw-Hill, Inc., New York, NY, (49 Pages)
76. DESIGN GUIDELINES FOR HIGH-CAPACITY BEVEL GEAR SYSTEMS
January/February 1992 - Raymond J. Drago, GEAR TECHNOLOGY - The Journal of Gear Manufacturing, Pages 16-29
77. TRANSMISSIONI AVANZATE PER ELICOTTERI
Part I: January 1992 & Part II: February 1992 - Raymond J. Drago & Joseph W. Lenski, Jr., ORGAMI DI TRANSMISSIONE Pages 28-35 (Journal of the Italian Gear Manufacturers Association, In Italian)
78. ANALYTICAL EVALUATION OF RESONANT RESPONSE OF SPIRAL BEVEL GEARS IN THE RAH-66 HELICOPTER FANTAIL TRANSMISSION
July 1992, AIAA/SAE/ASME/ASEE 28th Joint Propulsion Conference and Exhibit, Nashville, TN, July 6-8, 1992, Paper No. AIAA 92-3495 (9 Pages)
79. THE DESIGN, DEVELOPMENT, AND MANUFACTURE OF ADVANCED TECHNOLOGY GEARING FOR HOT STRIP ROLLING MILL APPLICATIONS
October 1992 - Raymond J. Drago & Laurence E. Scott, AGMA Fall Technical Meeting, Baltimore, MD, American Gear Manufacturers Association, Alexandria, VA (23 Pages)
80. POWERFUL GEARS BREATHE NEW LIFE INTO ROLLING MILLS
March 1993 - Raymond J. Drago & Laurence E. Scott, Jr., Power Transmission Design, Pages 27 - 31
81. UPGRADING HOT STRIP MILL PERFORMANCE, PRODUCTION, & RELIABILITY THROUGH THE USE OF ADVANCED TECHNOLOGY GEARS
May 1993 - Raymond J. Drago & Laurence E. Scott, Association of Iron and Steel Engineers, 1993 AISE Spring Convention, Opryland Hotel, Nashville, TN, Paper –17, (25 Pages)
82. THE RELATIVE NOISE LEVELS OF PARALLEL AXIS GEAR SETS WITH VARIOUS CONTACT RATIOS AND GEAR TOOTH FORMS
October 1993 - Raymond J. Drago, Joseph W. Lenski, Robert H. Spencer. Mark J. Valco, & Fred B. Oswald, AGMA Fall Technical Meeting, Detroit, MI, American Gear Manufacturers Association, Alexandria, VA (17 Pages)
83. GEAR SOUND LEVELS WITH VARIOUS TOOTH CONTACT RATIONS AND FORMS
October 1993 - Joseph W. Lenski, Raymond J. Drago, Robert H. Spencer. Mark J. Valco, & Fred B. Oswald, AHS Rotary Wing Propulsion Specialists' Meeting, Williamsburg, VA, American Helicopter Society, Alexandria, VA (15 Pages)
84. OVERVIEW OF A FIVE-YEAR RESEARCH, DEVELOPMENT, AND TEST PROGRAM
(Conference Keynote Address)
September 1994 - Raymond J. Drago & Joseph W. Lenski, Jr., International Gearing Conference, University of Newcastle, Newcastle Upon Tyne, England (18 Pages)
85. INFLUENCE OF GEAR DESIGN PARAMETERS ON GEARBOX RADIATED NOISE
September 1994 - F. W. Oswald, D. P. Townsend, M. J. Valco, Raymond J. Drago, Joseph W. Lenski, Jr., & R. H. Spencer, International Gearing Conference, University of Newcastle, Newcastle Upon Tyne, England (18 Pages)
86. TRASMISSIONI AVANZATE PER LAMINATOI A CALDO: IL PROCESSO DI LAMINAZIONE
July 1995 - Raymond J. Drago & Lawrence E. Scott ORGAMI DI TRANSMISSIONE Pages 48-52 (Journal of the Italian Gear Manufacturers Association, In Italian)
87. TRASMISSIONI AVANZATE PER LAMINATOI A CALDO: IL PROGETTO DEGLI INGRANAGGI
August 1995 - Raymond J. Drago & Lawrence E. Scott ORGAMI DI TRANSMISSIONE Pages 36-42 (Journal of the Italian Gear Manufacturers Association, In Italian)
88. TRASMISSIONI AVANZATE PER LAMINATOI A CALDO: LA REALIZZAZIONE DEGLI INGRANAGGI
September 1995 - Raymond J. Drago & Lawrence E. Scott ORGAMI DI TRANSMISSIONE Pages 86-95 (Journal of the Italian Gear Manufacturers Association, In Italian)
89. GEAR RESONANCE EXPERIENCE WITH F-22 AMAD
October 1996 - Raymond J. Drago, Frederick W. Brown, Ashok D. Sane, Dennis Stremick, 7th International power Transmission and Gearing Conference, ASME International, San Diego, CA, Paper Number 156PTG96, 7 pages
90. THE F-22 AMAD GEAR DRIVE - OPTIMIZATION OF RESONANCE CHARACTERISTICS BY DETUNING, COULOMB DAMPING, AND DAMPED FORCED RESPONSE ANALYSES
October 1996 - Raymond J. Drago, Frederick W. Brown, Ashok D. Sane, Dennis Stremick, American Gear Manufacturers Association 1996 Fall Technical Meeting, Cincinnati, OH, 16 Pages
91. GEAR MANUFACTURING - METHODS, MACHINES, & TOOLS
November 1996 - Raymond J. Drago, Society of Manufacturing Engineers, Section 15 Technical Meeting, Philadelphia, PA, 50 pages
92. UPGRADING MILL GEARING - HOW, WHY, RESULTS
November 1996 - Raymond J. Drago, Symposium on Steel Mill Gearing, Educational Systems Workshops, Pittsburgh, PA, 23 Pages
93. ULTRASAFE GEAR SYSTEMS FOR CRITICAL APPLICATIONS - INITIAL DEVELOPMENT
November 1997 - Raymond J. Drago, Frederick W. Brown, Ashok D. Sane, American Gear Manufacturers Association 1997 Fall Technical Meeting, San Diego, CA, 22 Pages
94. ADVANCED TECHNOLOGY GEAR DRIVES FOR FLUID MIXING APPLICATIONS
May 1998 - Raymond J. Drago, William F. Hutchings, Alan J. Olderstein, Canadian Society of Mechanical Engineers, CSME Forum 1998, Ryerson Polytechnic University, Toronto, Ontario, Canada, 8 Pages
95. THREE DIMENSIONAL CRACK PROPAGATION STUDIES
March 1999 - David G. Lewicki, Raymond J. Drago, Ashok D. Sane, & Paul A. Wawrzynek, 4th World Congress on Gearing and Power Transmission, Paris, France, 11 Pages
96. INGRANAGGI “ULTRASAFE” PER APPLICAZIONI CRITICHE - 1a PARTE: IMPOSTAZIONE DEL PROBLEMA
March 1999 - Raymond J. Drago, Ashok Sane & Frederick W. Brown ORGAMI DI TRANSMISSIONE Pages 58-66 (Journal of the Italian Gear Manufacturers Association, In Italian)
97. DEVELOPMENT OF GEAR TECHNOLOGY AND THEORY OF GEARING (By Faydor L. Litvin) - A TECHNICAL BOOK REVIEW
July/August 1999 - Raymond J. Drago, , GEAR TECHNOLOGY - The Journal of Gear Manufacturing, Pages 14-15
98. INGRANAGGI “ULTRASAFE” PER APPLICAZIONI CRITICHE - 3a PARTE: OTTIMIZZAZIONE
July 1999 - Raymond J. Drago, Ashok Sane & Frederick W. Brown ORGAMI DI TRANSMISSIONE Pages 76-80 (Journal of the Italian Gear Manufacturers Association, In Italian)
99. THE EFFECT OF MATERIAL DEFECTS ON GEAR PERFORMANCE - A CASE STUDY -
October 1999 - Raymond J. Drago & Alejandro Font Filax, American Gear Manufacturers Association 1999 Fall Technical Meeting, Lakewood, CO, 7 Pages
100. THE EFFECT OF MATERIAL DEFECTS ON GEAR PERFORMANCE - A CASE STUDY
March/April 2000 - Raymond J. Drago & Alejandro Font Filax, Gear Technology - The Journal of Gear Manufacturing, pp 18 - 23
101. ULTRASAFE GEAR SYSTEMS - SINGLE TOOTH BENDING FATIGUE TEST RESULTS
October 2000 - Raymond J. Drago, Arron Issacson, and Nagesh Sonti, American Gear Manufacturers Association 2000 Fall Technical Meeting, Cincinnati, OH, 9 Pages
102. I DIFETTI DEL MATERIALE INFLUENZANO LE PRESTAZIONI
September 2000 - Raymond J. Drago, Alejandro F. Filax ORGAMI DI TRANSMISSIONE Pages 70-76 (Journal of the Italian Gear Manufacturers Association, In Italian)
103. ADVANCED TECHNOLOGY GEARING (ATG) IN STEEL MILL APPLICATIONS - UNDERSTANDING MILL GEAR FAILURES - EVALUATION, IDENTIFICATION, MODE, PROGRESSION MECHANISM, PREVENTION, CORRECTION, REDESIGN
February 2001 - Raymond J. Drago, Association of Iron & Steel Engineers, Technical Meeting, Merrillville, Indiana
104. UNDERSTANDING LARGE GEAR FAILURES - EVALUATION, IDENTIFICATION, MODE, PROGRESSION MECHANISM, PREVENTION, CORRECTION, REDESIGN
November 2001 - Raymond J. Drago, ASM Materials Solutions Conference, Indianapolis, IN
105. MATERIAL AND HEAT TREATMENT RELATED FAILURES OF LARGE MILL GEARS - SYMPTOMS, CAUSES AND REMEDIES
September 2002 - Raymond J. Drago, AISE 2002 Annual Convention and Expo, September 29 - October 2, 2002, Gaylord Opryland Hotel, Nashville, TN 37214, 14 pages
106. CRACK LENGTH AND DEPTH DETERMINATION IN AN INTEGRATED CARBURIZED GEAR/BEARING
October 2002 – Raymond J. Drago and James S. Kachelries, AGMA 2002 Fall Technical Meeting, Cincinnati, OH, 8 Pages
107. UNDERSTANDING FAILURES OF LARGE MILL GEARS – CAUSES, PREVENTION, CURES
September 2003 – Raymond J. Drago, 2002 Mill Drive Symposium, The Manufacturer’s Conference Center, Erie, PA, 50 Pages
108. CRACK LENGTH AND DEPTH DETERMINATION IN AN INTEGRATED CARBURIZED GEAR/BEARING
Spring 2003 – Raymond J. Drago and James S. Kachelries, AGMA News Digest, Alexandria, VA, 8 Pages
