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AGMA/API/ISO

lockedpdf API SERVICE FACTOR IS NOT THE SAME AS AN AGMA SF
December 2006, John B. Amendola, Sr (.pdf, 36 KB)

BEARINGS: ANTI FRICTION

unlockedpdf The Meaning Of Bearing Life
April 2007, Daniel R. Snyder, P.E, SKF USA Inc. (.pdf, 240 KB)

BEARINGS: HYDRODYNAMIC

unlockedpdf NO BEARING PROBLEMS
May 2000, Mrs. Helga Kiesel and Mr. Maarten Holland (.pdf, 453 KB)
unlockedpdf WHAT IS BEARING PRELOAD?
May 2010, Artec Machine Systems (.pdf, 123 KB)
unlockedpdf SHAFT BEARING CLEARANCES FOR RADIAL HYDRODYNAMIC BEARINGS – A GENERAL GUIDELINE
May 2010, Artec Machine Systems (.pdf, 72 KB)
unlockedpdf TILTING PAD THRUST BEARINGS PERFORMANCE DIRECTED LUBRICATION
January 1977, M. K. Bielec & A. J. Leopard (.pdf, 567 KB)
unlockedpdf UNDERSTANDING JOURNAL BEARINGS
Malcolm E. Leader, P.E. (.pdf, 1 MB)

COMMISSIONING / MAINTENANCE OF GEARBOXES

unlockedpdf THE IMPORTANCE OF STATIC AND DYNAMIC TOOTH CONTACT CHECKS IN SINGLE AND DOUBLE HELICAL GEARBOXES
2005, Artec Machine Systems (.pdf, 33 KB)
unlockedpdf GENERAL TURBO-GEAR INSPECTION/COMMISSIONING CHECKS OF A ROTOR SET RELATING TO GEAR TOOTHING
January 2020, Artec Machine Systems (.pdf, 74 KB)

COUPLINGS

unlockedpdf WHAT CAUSES WEAR IN GEAR-TYPE COUPLINGS?
M.M. Calistrat, Koppers Co., Inc., Baltimore MD (.pdf, 643 KB)
unlockedpdf A SPECIAL GREASE FOR FLEXIBLE SHAFT COUPLINGS
Michael M. Calistrat, Member ASLE (.pdf, 610 KB)
lockedpdf ANSWERS TO FREQUENTLY ASKED QUESTIONS REGARDING FLEXIBLE COUPLINGS
1993, © E.W.Goody & R.E.Goody (.pdf, 1 MB)
unlockedpdf THE APPLICATION OF FLEXIBLE COUPLINGS FOR TURBO MACHINERY
Robert E. Munyon, Jon R. Mancuso, C.B. (Barney) Gibbons | (.pdf, 2 MB)
unlockedpdf WHAT ARE THE DIFFERENCES IN HIGH PERFORMANCE FLEXIBLE COUPLINGS FOR TURBOMACHINERY?
1998-1999, Jon Mancuso & Joe Corcoran (.pdf, 1 MB)
unlockedpdf EXTEND GEAR COUPLING LIFE
January 1978, Michael M. Calistrat (.pdf, 487 KB)
unlockedpdf GEAR COUPLINGS
P.C. Renzo, S. Kaufman, D.E. DE Rocker (.pdf, 680 KB)
unlockedpdf GREASE SEPARATION UNDER CENTRIFUGAL FORCES
1972-1973, M.M. Calistrat (.pdf, 385 KB)
unlockedpdf HYDRAULIC REMOVAL OF COUPLING HUBS-KEYED AND KEYLESS
Michael M. Calistrat (.pdf, 2 MB)
unlockedpdf CASE STUDY: GEAR TOOTH REPLACED WITH FLEXIBLE DISC COUPLING
(.pdf, 1,018 KB)
unlockedpdf TOOTHED COUPLINGS
O. Stadeli (.pdf, 1 MB)
unlockedpdf INTEGRAL FLANGES FOR GEAR ROTOR SETS
2000, J. Amendola (.pdf, 47 KB)

COUPLINGS - SYNCHRONOUS CLUTCH

lockedpdf DESIGN AND FUNCTION OF SYNCHRONOUS CLUTCH COUPLINGS
O. Stadeli (.pdf, 1 MB)
lockedpdf USN REPORT MAAG SYNCHRONOUS CLUTCH
November 1971, Naval Ship Engineering Center, Philadelphia Division (.pdf, 472 KB)
lockedpdf DESIGN AND APPLICATION FOR SYNCHRONOUS CLUTCH COUPLINGS: MS AND HS TYPES
O. Stadeli (.pdf, 3 MB)

EFFICIENCY OF GEARBOXES

unlockedpdf HIGH-EFFICIENCY TURBOGEARS FOR GAS TURBINES
(.pdf, 359 KB)
unlockedpdf HIGH EFFICIENCY TURBOGEARS FOR GAS TURBINES FIRST OPERATING EXPERIENCES
R. Losch-Schloms & A. Mathis (.pdf, 652 KB)
unlockedpdf EFFICIENCY TEST ON THE LARGE PLANETARY GEAR OF A COAXIAL BALL : MILL DRIVE
W. Nageli & W. Ackle (.pdf, 573 KB)
unlockedpdf GEAR DESIGN TO IMPROVE POWER PLANT EFFICIENCY
2000, U. Giger (.pdf, 181 KB)

EPICYCLIC GEARBOXES

unlockedpdf TURBO PLANETARY GEAR UNITS: STATE OF THE TECHNOLOGY
Andre Thuswaldner (.pdf, 209 KB)
unlockedpdf EPICYCLIC GEARING - AN OVERVIEW
(.pdf, 112 KB)
unlockedpdf ADVANTAGES OF HIGH-SPEED EPICYCLIC SPUR GEARS WITH 3 PLANETS
2011, Artec Machine Systems (.pdf, 66 KB)

GEAR DESIGN

unlockedpdf An-Intro-to-GearDesign-2ndEd
Charles D. Schultz, P.E. (.pdf, 3 MB)
unlockedpdf T121-8 Design & Calculation High Speed Gears
Dr. Manfred Hirt (.pdf, 980 KB)
unlockedpdf Results of ISO/TS 6336-22 Evaluating Full Contact Zone
October 2022, Robin Olson | David Talbot | Mark Michaud | Jonathan Keller | John Amendola, Sr. (.pdf, 989 KB)

GEARBOX TYPES - MARINE

unlockedpdf EXPERIENCE WITH SPECIAL APPLICATIONS
R. Schoch (.pdf, 1,023 KB)
unlockedpdf GEAR THRUST COLLARS AND SOLID COUPLINGS INSTEAD OF HIGH-SPEED THRUST BEARINGS AND TOOTHED TYPE COUPLINGS
(.pdf, 677 KB)
unlockedpdf GEAR DRIVES FOR TURBOMACHINERY
Peter Lynwander (.pdf, 1 MB)
unlockedpdf THE OUTLOOK ON FUTURE DESIGN OF TURBO GEARING
H. Sigg (.pdf, 718 KB)
lockedpdf GENERAL STATEMENTS REGARDING THE MAAG “GB” AND “GN” SERIES GEAR UNITS
March 2006, Artec Machine Systems (.pdf, 29 KB)
unlockedpdf 65 YEARS EXPERIENCE WITH CASE HARDENED & GROUND HIGH SPEED GEARS
H. Sigg (.pdf, 999 KB)
unlockedpdf A GENERAL DISCUSSION OF GEAR CONFIGURATIONS
2003, J. Amendola (.pdf, 887 KB)
unlockedpdf DESIGN FEATURES OF THE STANDARD GEAR SERIES
M. Buchel (.pdf, 1 MB)

GEARBOX TYPES - TURBO

unlockedpdf NEW DEVELOPMENT OF THE MPV-59 DOUBLE STAGE PLANETARY GEARBOX DESIGNED FOR 25 MW GAS TURBINES
2003, J. Dunki (.pdf, 795 KB)
unlockedpdf MARINE GEAR LAYOUTS
(.pdf, 90 KB)
unlockedpdf MARINE GEARING DEVELOPMENT AND TECH
H. Sigg (.pdf, 596 KB)

HEAT TREATMENT

lockedpdf MATERIAL, HEAT TREATMENT AND ITS QUALITY CONTROL FOR MAAG TURBO GEARS (ABSTRACT)
Dr. P. Brezina (.pdf, 4 MB)
unlockedpdf METALLURGICAL PRINCIPLES ASSOCIATED WITH SIZE CHANGES IN CARBURIZED STEEL
January 2011, A. Swiglo (.pdf, 41 KB)
lockedpdf 65 YEARS EXPERIENCE WITH CASE HARDENED AND GROUND HIGH-SPEED GEARS
H. Sigg (.pdf, 316 KB)
lockedpdf DRIP FEED CARBURIZING
(.pdf, 725 KB)
lockedpdf GAS CARBURIZING DRIP FEED
January 1963, URS WYSS (.pdf, 448 KB)
lockedpdf GEAR MATERIALS HEAT TREATMENT
October 1973, URS WYSS (.pdf, 3 MB)
lockedpdf INFLUENCE OF HARDENED AND GROUND GEARS ON SYSTEM DESIGNS
1965, H. Sigg (.pdf, 1 MB)
lockedpdf THE EFFECT OF MATERIAL DEFECTS ON GEAR PERFORMANCE-A CASE STUDY
Raymond J. Drago, P.E. & Alejandro Font Filax, PH.D (.pdf, 3 MB)

INSTRUMENTATION OF GEARBOXES

lockedpdf CASING ACCELEROMETERS
October 2011, Artec Machine Systems (.pdf, 27 KB)

LUBRICATION OF GEARS

unlockedpdf b-12 CHARACTERISTICS OF REGIMES OF GEAR LUBRICATION
Darle W. Dudley (.pdf, 367 KB)
unlockedpdf Role Of Viscocity In Lubrication
(.pdf, 1 MB)
unlockedpdf WHAT`S SO SPECIAL ABOUT SPECIALTY LUBRICANTS?
November 1985, Frank Najlepszy (.pdf, 231 KB)
lockedpdf THE INFLUENCE OF EP ADDITIVES IN LIGHT TURBINE OILS USED IN HIGH SPEED HIGH POWER TURBOGEARS
April 1999, Artec Machine Systems (.pdf, 43 KB)
unlockedpdf THE EFFECT OF A ZNDTP ANTI-WEAR ADDITIVE ON THE MICROPITTING RESISTANCE OF CARBURIZED STEEL ROLLERS
C. Benyajati & A.V. Olver (.pdf, 653 KB)
unlockedpdf ARTEC LUBE TABLE JAN-10-17
(.pdf, 112 KB)
lockedpdf COMPARISON OF OIL PRESSURE TO OIL FLOW QUANTITY
1994, J. Amendola (.pdf, 29 KB)
lockedpdf DIRECT OBSERVATIONS: MICROPIT ELASTOHYDRODYNAMIC CONTACT
May 2003, A.V. Olver, L.K. Tiew, S. Medina, J.W. Choo (.pdf, 385 KB)
unlockedpdf GEAR LUBE RELATING THEORY TO PRACTICE
T.I. Fowle (.pdf, 830 KB)
unlockedpdf ARTEC MACHINE SYSTEMS - LUBRICATION STATEMENT TO HIGH-SPEED GEARBOX INSTALLATIONS
May 2014, J. Amendola (.pdf, 27 KB)
unlockedpdf LUBRICATION EFFECTS ON SURFACE PITTING AND SCUFFING IN GEARS - A REVIEW
H.S. Cheng (.pdf, 1 MB)
unlockedpdf LUBRICATION OF GEARS
(.pdf, 2 MB)

MANUFACTURING TECHNIQUES

lockedpdf GEAR TOOTH GRINDING STEPS
May 1997 (.pdf, 253 KB)
lockedpdf GEAR HOBBING AND MAAG GEAR CUTTING: A COMPARISON OF EFFICIENCY AND QUALITY
(.pdf, 416 KB)
lockedpdf GRINDING SHAVING CUTTERS AND ROLLING DIES BY CBN WHEELS
E. Guenter (.pdf, 1 MB)
lockedpdf MAAG GEAR GRINDING METHODS
E. Guenter & A. Rust (.pdf, 1 MB)
lockedpdf MAAG GEAR MEASURING MACHINES
E. Guenter (.pdf, 2 MB)
lockedpdf METROLOGICAL INSPECTION OF GEARS
E. Guenter (.pdf, 2 MB)
unlockedpdf AGMA TECHNICAL PAPER: LONGITUDINAL TOOTH CONTACT PATTERN SHIFT
J.B. Amendola, J.B. Amendola, III & D. Yatzook (.pdf, 495 KB)
lockedpdf CALCULATION OF GEAR ROTOR THRUST COLLAR REQUIREMENTS
2003, J. Amendola (.pdf, 109 KB)
lockedpdf GEAR CUTTING, GRINDING AND MEASURING METHODS
E. Guenter (.pdf, 964 KB)

MATERIALS (Rotor Steels)

MILL DRIVES

unlockedpdf CENTRAL OR GIRTH GEAR DRIVE FOR BALL MILLS
W. Ackle (.pdf, 997 KB)
unlockedpdf A NEW GEARBOX GENERATION FOR VERTICAL ROLLER MILLS
Dr. Roger Raeber, Ulf Weller, Rocco Amato (.pdf, 1 MB)

MOTORS

unlockedpdf LCI`S AND SYNCHRONOUS MOTORS APPLIED TO ROLLER MILLS
May 2000, James F. Zayechek (.pdf, 444 KB)
unlockedpdf BALL MILL DRIVE MOTOR CHOICES
May 2000, Jack H. Green & John J. Stroker (.pdf, 666 KB)

NOISE OF GEARS

lockedpdf THE ULTRA-LOW NOISE GEARBOX
March 2000, Lt. I Atkins, D.A. Hofmann, J. Haigh (.pdf, 639 KB)
lockedpdf ACOUSTICS - ESTIMATION OF AIRBORNE NOISE EMITTED BY MACHINERY USING VIBRATION MEASUREMENT
1987 (.pdf, 536 KB)
lockedpdf DETERMINATION OF AIRBORNE SOUND POWER LEVELS EMITTED BY GEAR UNITS
(.pdf, 474 KB)
lockedpdf GEAR NOISE - THE GENERATION OF ROTATIONAL HARMONIC FREQUENCIES IN MARINE PROPULSION GEARS
October 1981, George W. Nagorny & Richard A. Stutchfield (.pdf, 1 MB)
lockedpdf GEARBOX NOISE
2003, J. Amendola (.pdf, 37 KB)
lockedpdf DEFINITIONS AND EXPLANATION OF SELECTED TERMS AND PROPERTIES OF SOUND
(.pdf, 2 MB)
lockedpdf THE RELATIVE NOISE LEVELS OF PARALLEL AXIS GEAR SEL WITH VARIOUS CONTACT-RATIOS AND GEAR TOOTH FORMS
Robert H. Spencer, Joeseph W. Lenski, Jr. Mark J. Valco & Fred B. Oswald (.pdf, 926 KB)
lockedpdf SILENT SHIP PROPULSION GEAR SYSTEMS
Dr. F. Hoppe (.pdf, 1 MB)

PUMPS - FOR LUBE OIL

unlockedpdf WHEN TO USE A POSITIVE DISPLACEMENT PUMP
2009, J. Amendola (.pdf, 56 KB)

TESTING OF GEARBOXES

lockedpdf BREAK-AWAY TORQUE CALCULATION FOR 2 GEAR ROTOR SHAFTS
2003, J. Amendola (.pdf, 163 KB)
lockedpdf FULL LOAD BACK-TO-BACK LOCKED TORQUE TESTING
2001, J. Amendola (.pdf, 208 KB)
unlockedpdf BASE PITCH TABLES
September 1992, William L. Janninck (.pdf, 281 KB)

TOOTHING DESIGN

unlockedpdf Defining-Tooth-Flank-Temperature-In-High-Speed-Gears
J. Amendola, J. Amendola, III & Robert Errichello (.pdf, 529 KB)
lockedpdf THERMAL BEHAVIOR OF HIGH-SPEED GEARS AND TOOTH CORRECTIONS FOR SUCH GEARS
Luigi Martinaglia (.pdf, 812 KB)
lockedpdf THERMAL INSTABILITY IN HIGH-SPEED GEARING
anuary 1961, W.P. Welch & J.F. Boron (.pdf, 3 MB)
lockedpdf CALCULATION OF LOAD CAPACITY OF GEAR TEETH
H. Sigg (.pdf, 887 KB)
lockedpdf THE CALCULATION OF SCORING RESISTANCE IN GEAR DRIVES
Dipl.-Ing.R. Wydler (.pdf, 791 KB)
lockedpdf CLARIFICATION ON WR2 VALUES
2009, J. Amendola (.pdf, 28 KB)
unlockedpdf NOTES ON COPPER PLATING OF GEAR TOOTHING
February 2003, Artec Machine Systems (.pdf, 33 KB)
lockedpdf DEFORMATION OF TEETH AND ROTORS
May 2006, Artec Machine Systems (.pdf, 262 KB)
lockedpdf GEAR TOOTHING
W. Nageli (.pdf, 1 MB)
unlockedpdf MAAG GEAR DESIGN PRINCIPLES
(.pdf, 1 MB)
unlockedpdf HIGH-SPEED GEARS: NEW DEVELOPMENTS
T. Deeg (.pdf, 1 MB)
lockedpdf LEAD CORRECTION DERIVATION METHOD FOR HIGH CAPACITY TURBO-GEARS WITH HIGH PITCH LINE VELOCITIES FOR BOTH SINGLE AND DOUBLE HELICAL GEARS
November 2012, Artec Machine Systems (.pdf, 89 KB)
lockedpdf A PROCEDURE FOR PREDICTING THE LOAD DISTRmUTION AND TRANSMISSION ERROR CHARACTERISTICS OF DOUBLE HELICAL GEARS
Jacob Thomas & Donald R. Houser (.pdf, 971 KB)
lockedpdf PROFILE AND LONGITUDINAL CORRECTIONS ON INVOLUTE GEARS
October 1965, H. Sigg (.pdf, 1 MB)
unlockedpdf SCUFFING & MICRO-PITTING: SPECIAL CONSIDERATIONS OF GEAR TOOTH SURFACE DISTRESS
January 2014, Artec Machine Systems (.pdf, 138 KB)
lockedpdf SINGLE OR DOUBLE HELICAL, WHICH GEAR IS BETTER?
May 2006, Artec Machine Systems (.pdf, 225 KB)
unlockedpdf SINGLE VS. DOUBLE-HELICAL GEARS: SELECTION DEPENDS ON OPERATING CONDITIONS AND GEAR CHARACTERISTICS
September 2006, John B. Amendola, Sr. (.pdf, 3 MB)
unlockedpdf AGMA TECHNICAL PAPER-CALCULATED SCUFFING RISK CORRELATING AGMA 925-A03, AGMA 6011-J14, AND ORIGINAL MAAG GEAR PREDICTIONS
John Amendola, John Amendola III, Artec Machine Systems, Robert Errichello (.pdf, 964 KB)
unlockedpdf AGMA TECHNICAL PAPER-LONGITUDINAL TOOTH, CONTACT PATTERN SHIFT
John Amendola, John Amendola III, Artec Machine Systems, D. Yatzook (.pdf, 495 KB)

VIBRATIONS

lockedpdf TUNING OUT TORSIONAL VIBRATIONS
Mark A. Corbo & Stanley B. Malanoski (.pdf, 767 KB)
unlockedpdf WHY CAN TURBO GEARS SHOW HIGHER THAN NORMAL VIBRATIONS LEVELS DURING STARTUP & SHUTDOWN
February 2008, Artec Machine Systems (.pdf, 24 KB)
unlockedpdf BENEFITS OF IMPLEMENTING A BASIC VIBRATION ANALYSIS PROGRAM FOR POWER TRANSMISSION DRIVES
May 2009, S. Rogan (.pdf, 201 KB)
lockedpdf CASING ACCELEROMETERS
October 2011, Artec Machine Systems (.pdf, 27 KB)
lockedpdf DYNAMIC ROTOR STABILITY IN DUEL MODE TURBOGEARS - FCCU DRIVE APPLICATIONS
May 2008, Artec Machine Systems (.pdf, 90 KB)
lockedpdf GEAR VIBRATIONS
M. Steiner (.pdf, 889 KB)
lockedpdf ILLUSTRATED VIBRATION DIAGNOSTIC CHART
1994, Technical Associates of Charlotte, Inc. (.pdf, 731 KB)
lockedpdf LATERAL AND TORSIONAL VIBRATIONS
(.pdf, 345 KB)
lockedpdf PRACTICAL DESIGN AGAINST TORSIONAL VIBRATION
Mark A. Corbo & Stanley B. Malanosk (.pdf, 5 MB)
lockedpdf SYNCHRONOUS THERMAL INSTABILITY PREDICTION FOR OVERHUNG ROTORS
R. Gordon Kirk, Zenglin Guo & Avinash C. Balbahadur (.pdf, 1 MB)