AGMA - American Gear Manufacturers Association

MyAGMA:  Login  |  Update My Profile  |  My Communities

Publications

Fall Technical Meeting Papers by Topic



The AGMA Fall Technical Meeting provides an outstanding opportunity to share ideas with others on design, analysis, manufacturing and application of gears, gear drives and related prodducts, as well as associated processes and procedures.

Below are technical papers sorted by topic. Click on each link to read the abstract and get complete information on acquiring each document.

Application
Calculations
Durability (Pitting)
Dynamics
Enclosed Bevel Gears
Enclosed Helical Gears
General Papers
Inspection
Lubrication & Wear
Machinging
Materials & Treatment
Plastics Gearing
Secondary Finishing
Sound & Vibration
Spur Gears
Strength
Wormgears

Application

10FTM14
Analysis and Testing of Gears with Asymmetric Involute Tooth Form and Optimized Fillet Form for Potential Application in Helicopter Main Drives

09FTM16
Allowable Contact Stresses of Jacking Gear Units Used in the Offshore Industry

09FTM19
The Effect of Gearbox Architecture on Wind Turbine Enclosure Size

06FTM12
A Crane Gear Failure Analysis – Case Study, Observations, Lessons Learned, Recommendations

06FTM10
Fabrication, Assembly and Test of a High Ratio, Ultra Safe, High Contact Ratio, Double Helical Planetary Transmission for Helicopter Applications

05FTM19
The Application of Very Large, Weld Fabricated, Carburized, Hardened & Hard Finished Advanced Technology Gears in Steel Mill Gear Drives

05FTM20
Dual Drive Conveyor Speed Reducer Failure Analysis

04FTM09
Design of a High Ratio, Ultra Safe, High Contact Ratio, Double Helical Compound Planetary Transmission for Helicopter Applications

04FTM10
The Failure Investigation and Replacement of a Large Marine Gear

99FTM10
Design and Testing of a Marine Gearbox

98FTM11
Improving Pump Gear Geometry Through Secondary Gear Tooth Finishing

97FTM08
New Guidelines for Wind Turbine Gearboxes

96FTM06
The F-22 AMAD Gear Drive Optimization of Resonance Characteristics by Detuning, Coulomb Damping & Damped Force Response Analyses

92FTM04
The Design, Development and Manufacture of Advanced Technology Gearing for Hot Strip Rolling Mill Applications

90FTM07
Advanced Rotorcraft Transmission Program – A Status Review

90FTM12
Design of New Systems of Controlled Speed Drives

Calculations

09FTM06
Dependency of the Peak-to-Peak Transmission Error on the Type of Profile Correction and Transverse Contact Ratio of the Gear Pair

07FTM18
The Bevel Gear Model

06FTM11
On Tooth Failure Analysis in Small-Teeth-Number Gearing: An Analytical Approach

05FTM04
Tooth Meshing Stiffness Optimisation Based on Gear Tooth Form Determination for a Production Process Using Different Tools

05FTM05
Computerized Design of Face Hobbed Hypoid Gears: Tooth Surface Generation, Contact Analysis and Stress Calculation

05FTM08
New Developments in Tooth Contact Analysis (TCA) and Loaded TCA for Spiral Bevel and Hypoid Gear Drives

05FTM14
Determining the Shaper Cut Helical Gear Fillet Profile

04FTM03
A Method to Define Profile Modification of Spur Gear and Minimize the Transmission Error

04FTMS1
Stress Analysis of Gear Drives Based on Boundary Element Method

02FTM02
Development and Application of Computer-Aided Design and Tooth Contact Analysis of Spiral-Type Gears with Cylindrical Worm

02FTM11
Gear Design Optimization Procedure that Identifies Robust, Minimum Stress and Minimum Noise Gear Pair Designs

2000FTM07
An Analytical – FEM Tool for the Design and Optimization of Aerospace Gleason Spiral Bevel Gears

2000FTM12
The Finite Strips Method as an Alternative to the Finite Elements in Gear Tooth Stress and Strain Analysis

99FTM16
The Multi-Objective Optimization of Nonstandard Gears Including Robustness

97FTM05
Improved Fniite Element Model for Calculating Stresses in Bevel and Hypoid Gear Teeth

96FTM01
A Computer Based Approach Aimed at Reproducing Master Spiral Bevel and Hypoid Pinions and Gears

95FTM03
The Effect of Manufacturing Errors on the Predicted Dynamic Factors of Spur Gears

95FTM08
Miner’s Rule A More Definitive Approach

95FTM09
Bending and Compressive Stress Analysis of External Helical Gearsets of Varying Contact Ratios

95FTM11
Feature-Based Definition of Bevel Gears

94FTMS1
Computer-Aided Numerical Determination of Hofer, Lewis, Niemann and Colbourne Points

93FTM04
Stress Analysis of Spiral Bevel Gear:  A Novel Approach to Tooth Modelling

93FTM07
New Developments in Design, Manufacturing and Applications of Cylkro- (Face) Gears

93FTM13
CAGE – Computer Aided Engineering Software

92FTM08
The Role of Reliability for Bearings and Gears

91FTM09
Rerating Damaged Naval Ship Propulsion Gear

91FTMS1
The Element Stress Analysis of a Generic Spur Gear Tooth

90FTM11
Multiple Iteration – Respectable Trial-and-Error

90FTM14
A Closed and Fast Solution Formulation for Practice Oriented Optimization of Real Spiral Bevel and Hypoid Gear Flank Geometry

90FTM15
Optimal Design of Straight Bevel Gears

90FTMS1
Kinematic Analysis of Transmissions – Based on the Finite Element Method

Durability (Pitting)

10FTM15
Drive Line Analysis for Tooth Contact Optimization of High Power Spiral Bevel Gears

10FTM11
Point-Surface-Origin (PSO) Macropitting Caused by Geometric Stress Concentration (GSC)

09FTM18
Does the Type of Gear Action Affect the Appearance of Micro-Pitting and Gear Life?

09FTM12
The Anatomy of a Micropitting Induced Tooth Fracture Failure – Causation, Initiation, Progression and Prevention

08FTM14
Effects of Axle Deflection and Tooth Flank Modification on Hypoid Gear Stress Distribution and Contact Fatigue Life

08FTM04
The Effect of Manufacturing Microgeometry Variations on the Load Distribution Factor and on Gear Contact and Root Stresses

07FTM13
Influence of Grinding Burn on the Load Carrying Capacity of Parts Under Rolling Stress

07FTM14
Roughness and Lubricant Chemistry in Micropitting

07FTM15
Experience with a Disc Rig Micropitting Test

06FTM08
An Evaluation of FZG Micropitting Test Procedures and Results for the Crowned AGMA Test Gears

06FTM06
An Analytical Approach to the Prediction of Micropitting on Case Carburised Gears

04FTM04
Influence of Surface Roughness on Gear Pitting Behavior

04FTM05
Investigations on the Micropitting Load Capacity of Case Carburized Gears

04FTM07
A Short Procedure to Evaluate Micropitting Using the New AGMA Designed Gears

99FTM15
Theoretical Model for Load Distribution on Cylindrical Gears: Application to Contact Stress Analysis

98FTM09
Studies on Improvement of Surface Durability of Case-Carburized Steel Gear – Effects of Surface Finish Processes upon Oil Film Formation

94FTM07
Allowable Surface Compressive Stresses of Gear Teeth Made of Cast Iron, Tempered Carbon Steels and Tempered Alloy Steels

92FTM06
Comparison of Carburized Gear Materials in Pitting

91FTM06
Comparing Surface Failure Modes in Bearings and Gears:  Appearances versus Mechanisms

91FTM16
Contact Analysis of Gears Using a Combined Finite Element and Surface Integral Method

91FTM17
The Influence of Lubrication on the Onset of Surface Pitting in Machinable Hardness Gear Teeth

90FTM01
Contact Stresses in Gear Teeth

90FTM08
Investigations on the Scuffing Resistance of High-Speed Gears

90FTM10
The Mechanism of Failure with and without Titanium Nitride Coating in Roller Tests

Dynamics

10FTM08
Calculation of Load Distribution in Planetary Gears for an Effective Gear Design Process

10FTM07
A New Statistical Model for Predicting Tooth Engagement and Load Sharing in Involute Splines

09FTM09
Designing for Static and Dynamic Loading of a Gear Reducer Housing with FEA

07FTM10
The Gear Dynamic Factor, Historical and Modern Perspective

04FTM08
Generalized Excitation of Traveling Wave Vibration in Gears

02FTM04
Multibody-System-Simulation of Drive Trains of Wind Turbines

01FTM08
The Effect of Spacing Errors and Runout on Transverse Load Sharing and the Dynamic Factor of Spur and Helical Gears

96FTM07
Dynamic Distribution of Load and Stress on External Involute Gearings

93FTM10
High Speed, Heavily Loaded and Precision Aircraft Type Epicyclic Gear System Dynamic Analysis by Using AGMA Gear Design Guidelines Enhanced by Exact Definition of Dynamic Loads

91FTM08
Methods of Statistical Dynamics for the Calculation of Gear Stress Distribution and its Effect on Gear Failure Probability

91FTM10
Dynamic Measurements of Gear Tooth Friction and Load

90FTM06
Dynamic Responses of Aircraft Gears

Enclosed Bevel Gears

07FTM12
The Effect of Start-Up Load Conditions on Gearbox Performance and Life – Failure Analysis and Case Study

07FTM17
Simulation Model for the Emulation of the Dynamic Behavior of Bevel Gears

06FTM04
Precision Planetary Servo Gearheads

05FTM06
A Model to Predict Friction Losses of Hypoid Gears

97FTM15
Design, Generation, Stress Analyhsis and Test of Low-Noise, Increased Strength Face-Milled Spiral Bevel Gears

95FTM07
Experimental and Analytical Assessment of the Thermal Behavior of Spiral Bevel Gears

93FTM03
A Rayleigh-Ritz Approach to Determine Compliance and Root Stresses in Spiral Bevel Gears Using Shell Theory

92FTM10
The Influence of the Kinematical Motion Error on the  Loaded Transmission Error of Spiral Bevel Gears

Enclosed Helical Gears

08FTM19
How Are You Dealing with the Bias Error in Your Helical Gears?

07FTM11
Helicopter Accessory Gear Failure Analysis Involving Wear and Bending Fatigue

05FTM11
Low Loss Gears

05FTM17
Influences of Bearing Life Considerations on Gear Drive Design

05FTM18
Planet Pac: Increasing Epicyclic Power Density and Performance through Integration

01FTM10
Design Technologies of High Speed Gear Transmission

2000FTM06
Did the Natural Convection Exist in Mechanical Power Transmissions? Theoretical and Experimental Results

99FTM11
Performance Study of Nitrided Gears in High Speed Epicyclic Gearbox Used in Gas Turbogenerators – A Case Study

99FTM13
Failures of Bevel-Helical Gear Units on Traveling Bridge Cranes

97FTM11
Non-Dimensional Characterization of Gear Geometry, Mesh Loss and Windage

96FTM08
Thermal Rating of Gear Drives Balance Between Power Loss and Heat Dissipation

96FTM09
The Development of a Practical Thermal Rating Method for Enclosed Gear Drives

95FTM10
Efficiency of High Contact Ratio Planetary Gear Trains

94FTM02
An Analytical Method for the Calculation of the Efficiency of Planetary Gears

General Papers

10FTM17
Self-locking Gears: Design and Potential Applications

10FTM16
Analysis of Load Distribution in Planet-gear Bearings

10FTM09
Recommendation on Reverse Engineering

10FTM06
Finite Element Analysis of High Contact Ratio Gear

10FTM05
Comparison of the AGMA and FEA Calculations of Gears and Gearbox Components Applied in the Environment of the Small Gear Company

10FTM03
A Novel Approach to the Refurbishment of Wind Turbine Gears

09FTM07
Optimizing Gear Geometry for Minimum Transmission Error, Mesh Friction Losses and Scuffing Risk

09FTM05
HYPOLOID ™ Gears with Small Shaft Angles and Zero to Large Offsets

08FTM18
Gear Corrosion During the Manufacturing Process

08FTM13
Hydrogen and Internal Residual Stress Gear Failures – Some Failure Analysises and Case Studies

08FTM12
In—situ Measurement of Stresses in Carburized Gears via Neutron Diffraction

08FTM06
Tooth Fillet Profile Optimization for Gears with Symmetric and Asymmetric Teeth

07FTM06
Using Barkhausen Noise Analysis for Process and Quality Control in the Production of Gears

07FTM09
The Ikona Clutch and Differential

07FTM19
How to Determine the MTBF of Gearboxes

06FTM05
Development of a Gear Rating Standard – A Case Study of AGMA 6014-A06

05FTM10
Finite Element Study of the Ikona Gear Tooth Profile

05FTM12
Modal Failure Analysis of a Gear and Drive Ring Assembly

05FTM15
Repair of Helicopter Gears

05FTM16
CH47D Engine Transmission Input Pinion Seeded Fault Test

04FTM12
Improved Tooth Load Distribution in an Involute Spline Joint Using Lead Modifications Based on Finite Element Analysis

02FTM05
Crack Length and Depth Determination in an Integrated Carburized Gear/Bearing

02FTMS1
Design and Stress Analysis of New Version of Novikov-Wildhaber Helical Gears

2000FTM01
Minimization of In-Process Corrosion of Aerospace Gears

99FTM01
The Barkhausen Noise Inspection Method for Detecting Grinding Damage in Gears

99FTM02
Traceability Strategies for the Calibration of Spline and Serration Gauges

99FTM12
Gearbox Field Performance from a Rebuilder’s Perspective

98FTM12
Gear Refurbishment, An Economical Approach for Aerospace Overhaul & Repair

97FTM10
Ultra-Safe Gear Systems for Critical Applications – Initial Development

95FTM04
An Experimental Test Stand to Measure Loaded Transmission Error in Fine-Pitch Plastic Gears

94FTM01
Fatigue Analysis of Shafts for Marine Gearboxes

94FTM05
A Special CVT for a New Power Train Concept

92FTM03
Reduced Fuel Consumption and Emissions Due to Better Integration of Engine and Transmission

92FTM02
Face Gear Drives:  Design, Analysis, and Testing for Helicopter Transmission Applications

91FTM11
Initial Design of Gears Using Artificial Neural Net

Inspection

09FTM02
Implementing ISO 18653, Evaluation of Instruments for the Measurement of Gears

08FTM15
Extending the Benefits of Elemental Gear Inspection

06FTM16
Certificate for Involute Gear Evaluation Software

02FTM09
Gear RollScan for High Speed Gear Measurement

01FTM04
How to Inspect Large Cylindrical Gears with an Outside Diameter of more than 40 Inches

01FTM05
Traceability of Gears, New Ideas, Recent Developments

01FTM06
Performance-Based Gear-Error Inspection, Specification, and Manufacturing-Source Diagnostics

01FTMS1
Optical Technique for Gear Contouring

2000FTM09
Cylindrical Gear Inspection and Bevel Gear Inspection – A Simple Task by Means of Dedicated CNC-Controlled Gear Inspection Machines

99FTM03
Measurement Uncertainty for Pitch and Runout Artifacts

98FTM06
Calibration of Master Gears on Coordinate Measurement Machines

98FTM07
Checker of 3D Form Accuracy of Hypoid & Bevel Gear Teeth for the New Generation of Quality Control

97FTM01
Calibration of Gear Measuring Instruments and their Application to the Inspection of Product Gears

96FTM04
Traceable Calibration of Master Gears at PTB

95FTM01
Detection of Hidden Runout

95FTM02
Separation of Runout from Elemental Inspection Data

93FTM06
Effect of Radial Runout on Element Measurements

Lubrication & Wear

10FTM12
Flank Load Carrying Capacity and Power Loss Reduction by Minimized Lubrication

09FTM15
High Performance Industrial Gear Lubricants for Optimal Reliability

08FTM07
Lubrication Requirement Estimation Based on Heat Generation

08FTM05
Gear Failure Analysis Involving Grinding Burn

08FTM03
Effects of Gear Surface Parameters on Flank Water

06FTM07
Improvement of Standardized Test Methods for Evaluating the Lubricant Influence on Micropitting and Pitting Resistance of Case Carburised Gears

04FTM06
The Effect of a A ZnDTP Anti-wear Additive on Micropitting Resistance of Carburised Steel Rollers

04FTM11
Gear Lubrication as a Reliability Partner

2000FTM05
Systematic Investigations on the Influence of Viscosity Index Improvers on EHL-Film Thickness

99FTM04
Gear Oil Micropitting Evaluation

99FTM05
Analysis of Micropitting on Prototype Surface Fatigue Test Gears

99FTMS1
Modeling and Measurement of Sliding Friction for Gear Analysis

98FTM08
New Test Methods for the Evaluation of Wear, Scuffing and Pitting Capacity of Gear Lubricants

96FTM10
Scuffing Resistance of Vehicle Transmission Gears

91FTM13
Separation of Lubrication and Cooling in Oil-Jet Lubricated Gears

90FTM04
Different Types of Wear – How to Classify?

90FTM05
Polishing Wear

Machinging

10FTM01
Complete Machining of Gear Blank and Gear Teeth

09FTM04
New Developments in Gear Hobbing

09FTM03
Producing Profile and Lead Modifications in Threaded Wheel and Profile Grinding

08FTM16
Hob Tool Life Technology Update

07FTM16
Straight Bevel Gear Cutting and Grinding on CNC Free Form Machines

06FTM15
Optimal Tooth Modifications in Spiral Bevel Gears Introduced by Machine Tool Setting Variation

06FTM14
The Optimal High Speed Cutting of Bevel Gears – New Tools and New Cutting Parameters

06FTM09
Opportunities to Replace Wrought Gears with High Performance PM Gears in Automotive Applications

05FTM02
The Effects of Pre Rough Machine Processing on Dimensional Distortion During Carburizing

05FTM03
Modelling Gear Distortion

05FTM07
Spiral Bevel and Hypoid Gear Cutting Technology Update

05FTM09
Hypoid Gear Lapping Wear Coefficient and Simulation

02FTM03
The Application of Statistical Stability and Capability for Gear Cutting Machine Acceptance Criteria

02FTM06
Contemporary Gear Hobbing – Tools and Process Strategies

01FTM01
Carbide hobbing case study

01FTM03
Automated Spiral Bevel Gear Pattern Inspection

2000FTM08
Stock Distribution Optimization in Fixed Setting Hypoid Pinions

99FTM08
Power-Dry-Cutting of Bevel Gears

99FTM09
Dry Hobbing Process Technology Road Map

97FTM12
Introduction of a Jobbing System for Bevel and Hypoid Gears

96FTM02
The New Way of Manufacturing Bevel and Hypoid Gears in a Continuous Process

95FTM12
Flank Modifications in Bevel Gears Using a Universal Motion Concept

91FTM01
CNC Bevel Gear Generators and Flared Cup Formate Gear Grinding

91FTM02
CNC Technology and New Calculation Methods Permit Efficient System Independent Manufacturing of Spiral Bevel Gears

91FTM03
High Efficiency Gear Hobbing

91FTM05
Machine Tool Condition Monitoring

90FTM13
Face Milling or Face Hobbing

Materials& Treatment

10FTM04
Low Distortion Heat Treatment of Transmission Components

10FTM02
Improving Heat Treating Flexibility for Wind Turbine Gear Systems Through Carburizing Quenching and Material Handling Alternatives

09FTM14
Design Development and Application of New High-Performance Gear Steels

07FTM05
Vacuum Carburizing Technology for Powder Metal Gears and Parts

07FTM08
Manufacturing Net Shaped Cold Formed Gears

06FTM13
Economic Aspects of Vacuum Carburizing

02FTM07
Selecting the Best Carburizing Method for the Heat Treatment of Gears

2000FTM02
The Calculation of Optimum Surface Carbon Content for Carburized Case Hardened Gears

2000FTM03
Comparison of New Gear Metallurgy Documents, ISO 6336-5 and AGMA 923 with Gear Rating Standards AGMA 2001 and 2003

99FTM06
The Submerged Induction Hardening of Gears

99FTM07
Ductile Iron as a Material for Open Gearing

99FTM14
The Effect of Material Defects on Gear Performance – A Case Study

98FTM03
Basic Studies on Fatigue Strength of Case-Hardened Gear Steel – Effects of Shot Peening and/or Barrelling Processes

98FTM04
Effect of Uncontrolled Heat Treat Distortion on the Pitting Life of Ground, Carburized and Hardened Gears

95FTM05
The Surface Fatigue Life of Contour Induction Hardened AISI 1552 Gears

95FTM13
Powder Metallurgy Gears Expanding Opportunities

94FTM03
Application of Ausforming to Gear Finishing – Process, Design and Manufacturability Issues

94FTM04
Load Carrying Capacity of Nitrided Gears

91FTM15
Gear Hardness Technology