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Technical papers on gearboxes

Select the subject matter of interest:


AGMA/API/ISO Ratings
Bearings
Commissioning/maintenance of Gearboxes
Couplings
Efficiency of Gearboxes
Epicyclic Gears
Friction Clutches
Gearbox Types - Turbo
Gearbox Types - Marine
Heat Treatment
Instrumentation of Gearboxes
Lubrication of Gears
Manufacturing Techniques
Mill Drives
Materials of Gears (Gearboxes)
Motors
Noise of Gears
Pumps for Lube Oil
Synchronous Clutch Couplings
Toothing Design
Vibrations

Documents marked with an " * " are username and password protected.  Please contact Artec by telephone (203-484-2002) or e-mail for web access or hard copy.

 

Subject

Author

Year

Top of Page

AGMA/API/ISO

 

 

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An API Service Factor is not the same as an AGMA Service Factor J. Amendola/Artec Machine Systems

2005

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BEARINGS

 

 

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What is Bearing Pre-load? J. Amendola

2010

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Tilting Pad Journal Bearings with Spray-Bar Blockers and Bypass Cooling for High Speed, High Load Applications J. Nicholas

2003

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Improved Bearing Alloy- A Contribution Toward Environmental Protection Rolf Koring

2003

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No Bearing Problems Kiesel/Holland

2000

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Tilting Pad thrust Bearings: Factors affecting Performance and Improvements with Directed Lubrication M.K. Bielec/A.J. Leopard

1970

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Shaft Bearing Clearances for Radial Hydrodynamic Bearings – A General Guideline J. Amendola

2010

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* White Metal Bearings - Basic Parameters J. Amendola/Artec Machine

2006

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* High Speed Radial Bearings for use with Renk-Maag Turbogears J. Amendola/Artec Machine

1994

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* Standard Method Calculation for the Sizing of Thrust Bearings C. Buergin/J. Amendola

2002

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*Bearings for High Speed Gears K. Novak/Maag Gear-Wheel Co. Ltd.

1987

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* Behavior of a Tilting Pad Thrust Bearing During Start-Up R.E. Gustafson

1967

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COMMISSIONING/MAINTENANCE OF GEARBOXES

   

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The importance of Static and Dynamic tooth contact checks in Single and Double Helical Gears J. Amendola/Artec Machine

2005

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* Shimming of Gearboxes on its Respective Foundation Base Plate J. Amendola/Artec Machine

2002

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* General Turbo-Gear Inspection/Commissioning Checks of a Rotor Set relating to Gear Toothing J. Amendola/Artec Machine

2005

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* Tooth Contact Field Adjustments of Highly Loaded High Speed Turbogears J. Amendola/Artec Machine

2005

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*Gear Assembly, Installation and Maintenance H. Davatz/Maag Gear-Wheel Co. Ltd.

1987

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COUPLINGS

 

 

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Application of Flexible Couplings for Turbomachinery Kopflex/Lucas Aerospace

1989

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Integral Flanges for Gear Rotors J. Amendola/Artec Machine

2003

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Gear Couplings D.E. Rocker/ASME

1967

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What are the Differences in High Performance Flexible Couplings for Turbomachinery? J. Mancuso J. Corcoran

2003

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Toothed Couplings O. Stadeli/Maag Gear-Wheel Co. Ltd.

1987

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Extend Gear Coupling Life M. Calistrat

1978

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What Causes wear in Gear Type Couplings M. Calistrat

1975

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A Special Grease for Flexible Shaft Couplings M. Calistrat

1981

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Grease Separation under Centrifugal Forces M. Calistrat

1981

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Tooth Coupling Floating Member Diagrams MAAG Gear-Wheel Co. Ltd.

1981

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Re-Coupling for Reliability with Euroflex S. Rogan/World Cement

2010

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Hydraulic Removal and Installation Coupling Hubs - Keyed and Keyless M. Calistrat, J. Morris, R. Parker

1995

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*The development of Euroflex Transmissions Ltd. R. Goody/Euroflex Transmissions

2005

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*Answers to Frequently Asked questions on Euroflex Couplings R. Goody/Euroflex Transmissions

2005

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*New Low Weight Dry Couplings T. Deeg/Maag

1995

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COUPLINGS - SYNCHRONOUS CLUTCH

   

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Design & Application of MAAG Synchronous Clutch Couplings: Types MS & HS O. Stadeli/Maag Gear edited: by Artec

2009

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Design & Function of MAAG Synchronous Clutch Couplings: Types MS, HS & DS O. Stadeli/Maag Gear-Wheel Co. Ltd.

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*US Naval Ship Engineering Evaluation of the MAAG Synchronizing Clutch Coupling - NAVSECPHILADIV PROJECT T-789 NAVSEC Philadelphia Division

1971

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EFFICIENCY OF GEARBOXES

   

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HET Gear Design to Improve Power Plant Efficiency U. Giger/Maag

2000

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Efficiency Test on a Large slow speed Planetary Gear W.Nageli & W.Ackle/Maag Gear-Wheel Co. Ltd.

1986

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High Efficiency Turbogears for Gas Turbines T. Deeg/Maag

1996

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High Efficiency Turbogears for Gas A. Mathis/R. Losch-Schloms

1998

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EPICYCLIC GEARBOXES

 

 

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Epicyclic Gearing - An Overview www.marineengineering.org.uk

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Turbo Planetary Gear Units: State of the Technology A. Thuswaldner/Maag

2003

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Advantages of Epiclyclic Gears J. Amendola

2012

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Maag Wind Turbine Gear Units John Amendola

2014

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FRICTION - CLUTCHES 

   

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Friction Clutches - An Overview www.marineengineering.org.uk

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GEARBOX TYPES - TURBO

 

 

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A General Discussion of High Speed Gear Configuration John Amendola

2013

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Experience with Special Applications R. Schoch/Maag Gear-Wheel Co. Ltd.

1987

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Gear Thrust Collars & Solid Couplings

1969

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Gear Drives for Turbo machinery P. Lynwander/American Lohmann

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Design Features of the Standard Gear Series M. Buechel/Maag Gear-Wheel Co. Ltd.

1987

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65 MW Gearboxes to generate power for German Railway T. Deeg/Maag Gear-Wheel Co. Ltd.

1996

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The Outlook on Future Design of Turbo Gearing Hans Sigg/Maag Gear-Wheel Co. Ltd.

1985

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* General Statement Regarding the Maag "GB" and "GN" Series Gearboxes J. Amendola/Artec Machine

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GEARBOX TYPES - MARINE

   

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Marine Gear Layouts www.marineengineering.org.uk

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Marine gearing-Development & Technology H. Sigg/Maag Gear-Wheel Co. Ltd.

1989

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New Development of the MPV-59 double stage planetary gearbox for the LM-2500 plus J. Duenki/Maag

2003

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HEAT TREATMENT

 

 

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Metallurgical Principles Associated with Size Changes in Carburized Steel A. Swiglo

2011

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* Material, Heat Treatment and its Quality Control for Turbo Gears Dr. P. Brezina/Maag Gear-Wheel Co. Ltd.

1987

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* 65 Years Experience with Case Hardened & Ground High Speed Gearing H. Sigg/Maag Gear-Wheel Co. Ltd.

1987

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* Influence of Hardened and Ground Gears on systems Designs H. Sigg/Maag Gear-Wheel Co. Ltd.

1965

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* Drip feed Carburizing U Wyss/Maag Gear-Wheel Co. Ltd.

1978

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* Gear Materials and Heat Treatment U. Wyss/Maag Gear-Wheel Co. Ltd.

1984

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* Effects of Material Defects on Gear Performance - A Case Study R. Drago

1999

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* Gas Carburizing by the Drip Feed method in Switzerland Urs Wyss/Maag Gear-Wheel Co. Ltd.

1963

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INSTRUMENTATION OF GEARBOXES

   

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*Casing Accelerometers - Typical Set point Values

2002

Top of Page

LUBRICATION OF GEARS

 

 

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Gear Lubrication Relating Theory to Practice Fowle

1976

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The effect of a ZnDTP anti-wear additive on the micropitting resistance of carburized steel rollers C Benyajati & A V Olver

2004

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What's So Special about Specialty Lubricants? Machine Design

1985

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Characteristics of Regimes of Gear Lubrication Darle Dudley

1981

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Lubrication Effects on Surface Pitting and Scuffing in Gears - A Review H. S. Cheng

1999

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The Role of Viscosity in Lubrication AMSE

1960

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Lubrication of Gears Texaco

1961

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Lubrication Statement to High Speed Gearbox Installations Artec

2014

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* The influence of EP additives in light turbine oils used in High Speed High Power Turbogears J. Amendola/Artec Machine

1999

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* Comparison oil pressure to oil flow quantity in Turbogears J. Amendola/Artec Machine

1994

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* Direct Observations of a Micropit in an Elasto-Hydrodynamic Contact A. V. Olver, L.K. Tiew, S. Medina, J.W. Choo

2003

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MANUFACTURING TECHNIQUES

 

 

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Longitudinal Tooth Contact Pattern Shift - AGMA 11FTM18 J.B. Amendola, J.B. Amendola III, D. Yatzook

2011

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* Calculation of Thrust Collar Requirements C. Buergin/Maag

2003

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*Gear Tooth Grinding Steps Gear Tech

1993

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* Metrological Inspection of Gears E. Guenter/Maag

1978

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* Grinding Shaving cutters & Rolling Dies by CBN Wheels E. Guenter/Maag

1972

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* Examples of Modern Gear Measuring Technology E. Guenter/Maag

1974

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* Maag Gear Grinding Methods E.Gunter&A. Rust/Maag

1975

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* Gear Hobbing and Maag Cutting, a Comparison of Efficiency and Quality A. Rust

1975

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* Gear-Cutting, Grinding & Measuring Methods E. Guenter/Maag Gear

1975

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MATERIALS (Rotor Steels)

   

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* List of Raw Materials for Gears - Cross Reference List Artec Machine

2000

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MILL DRIVES

   

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3-Stage-Planetary Gearbox For Vertical Roller Mills Dr. R. Raeber, U. Weller, R. Amato/Maag

2006

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Central Drive or Girth Drive for Ball Mills W. Ackle/Maag Gear-Wheel Co. Ltd.

Top of Page

MOTORS

 

 

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LCI's and Synchronous Motors J. Zayechek

2000

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Ball Mill Drive Motor Choices J. Green/J. Stoker

2000

Top of Page

NOISE OF GEARS

 

 

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* Gearbox noise J. Amendola/Artec Machine

2003

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* Relative Noise Levels of Parallel Axis Gear Sets with Various Contact Ratios and Gear tooth Forms R. Drago/R.H. Spencer/M. Lewis/F. Oswald

1993

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* Gear Noise - The Generation of Rotational Harmonic Frequencies in Marine Propulsion Gears G. W. Nagorny / R. A. Stuchfield

1981

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* The Ultra Low Noise Gearbox Institute of Marine Engineers

2000

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* Determination of Airborne Sound Power Levels Emitted by Gear Units ISO/DIS 8579/1

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* Silent Ship Propulsion Gear Systems Dr. F. Hoppe/Maag Gear-Wheel Co. Ltd

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* Acoustics - Estimate of Airborne Noise by Machinery ISO/Tech. report

1987

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* Noise Control/Properties of Noise - Definitions/Explanation/Measurement Environmental Eng.

1992

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PUMPS - FOR LUBE OIL

   

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When to Use a Positive Displacement Pump

2003

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TESTING OF GEARBOXES

 

 

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Base Pitch Tables

1992

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* Break Away Torque Calculations For 2 Rotor Shafts J. Amendola/Artec Machine

2003

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* Statements Regarding Full Load Back-to-Back Locked Torque Testing D. Martin/Artec Machine

2001

Top of Page

TOOTHING DESIGN

 

 

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Single vs. Double Helical Gears J. Amendola/Artec Machine

2006

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Scuffing and Micropitting - Special Considerations J. Amendola/Artec Machine

2014

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High Speed Gear - Modern Developments T. Deeg

1992

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Gear Design Principles Dr. P. Bloch/Maag Gear-Wheel Co. Ltd.

1970

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* Deformation of Gear Teeth and Rotors J. Amendola/Artec Machine

2006

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* Lead correction derivation method for high capacity Turbo-Gears with high pitch line velocities - Thermal Influence J. Amendola/Artec Machine

2012

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* A Procedure For Predicting the Load Distribution and Transmission Error Characteristics of Double Helical Gears T. Jacob/T. Houser

1995

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Copper Plating of Gear Toothing J. Amendola/Artec Machine

2003

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* Clarification on WR2 values J. Amendola/Artec Machine

2005

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* Calculation of Scoring Resistance in Gear Drives R. Wydler/Maag Gear-Wheel Ltd. Co.

1973

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* Gear Toothing W.Nageli/Maag Gear-Wheel Co. Ltd.

1987

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* Single or Double Helical Gears, Which is Better? J. Amendola/Artec Machine

2006

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* Calculation of Load Capacity of Gear Teeth H. Sigg/Maag

1971

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* Thermal Behavior of High-Speed Gears.&Tooth Correction for Gears L. Martinaglia

1972

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* Profile and Longitudinal Corrections on Involute Gears Hans Sigg/Maag Gear-Wheel Co. Ltd.

1965

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* Thermal instability in high speed gearing W.P.Welch

1961

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VIBRATIONS

 

 

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Benefits of Implementing a Basic Vibration Analysis Program for Power Transmission Drives S. Rogan/Artec Machine

2009

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Why do some Turbogears show higher than Normal Vibration Levels during Start-up J. Amendola/Artec Machine

2003

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* Synchronous Thermal Instability Prediction For Overhung Rotors (Morton Effect) R. Gordon Kirk, Z. Guo, A. Balbahadur

2003

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* Lateral & Torsional Vibrations

2005

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* Gear Vibrations M. Steiner/Maag Gear-Wheel Co. Ltd.

1987

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* Dynamic Rotor Stability in Duel Mode Turbogears - FCCU Drive Applications J. Amendola/Artec Machine

1978

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* Illustrated Vibration Diagnostic Chart Charlotte

1994

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* Tuning Out Torsional Vibrations M. Corbo/S. Malanoski

1997

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* Practical Design Against Torsional Vibrations M. Corbo/S. Malanoski

1996

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* Recommended Guideline for Establishing Casing Acceleromtoer Limits and Parameters S. Rogan

2011

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