Thursday, November 15, 2018
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Root Fillet Optimization of Gears with Asymmetric Teeth

By Dr. A.L. Kapelevich and Dr. Y.V. Shekhtman The Direct Gear Design method optimizes various parameters and elements of gear […]

Fast, Flexible Bevel Gear Cutting

Well over 100 bevel gear cutting machines crowded this Chicago factory floor just a few years ago, all busy producing […]

SMT

Smart Manufacturing Technology Ltd. is a globally integrated leader in engineering services and software development. Over the last 13 years SMT has grown from […]

Russell, Holbrook & Henderson, Inc.

Thanks to our valuable customers, Russell, Holbrook & Henderson Inc. has been supplying the gear manufacturing industry with quality products […]

Harnessing Drive Data for Smart Process Design

Optimal interplay between innovative gear cutting tools and powerful bevel gear cutting machines results in highly productive cutting processes with […]

Comparison of Tooth Interior Fatigue Fracture Load Capacity to Standardized Gear Failure Modes

Introduction Gears are case hardened to produce residual stresses at the surface — improving wear resistance, bending fatigue, and contact […]

Review of Microstructure and Properties of Non-Ferrous Alloys for Worm Gear Application and Advantages of Centrifugally Cast Gears

Worm gears are used for large gear reductions. Gear ratio ranges of 5:1 to 300:1 are typical. Generally, worm gear […]

Influence of Contact Conditions on the Onset of Micropitting in Rolling-Sliding Contacts Pertinent to Gear Applications

Micropitting is a type of surface damage that occurs in concentrated, rolling-sliding contacts, such as those between gear teeth, through […]

New Refinements to the Use of AGMA Load Reversal and Reliability Factors

The American Gear Manufacturers Association (AGMA) rating standard, ANSI/AGMA 2101-D04, “Fundamental Rating Factors and Calculation Methods for Involute Spur and […]

Optimizing Gear Macro and Microgeometry To Minimize Whine and Maximize Robustness for a Diesel Engine Application

The desire for engines that provide more torque and power is driving higher loads into the gear train. At the […]

Pitch Factor Analysis for Symmetric and Asymmetric Tooth Gears

In comparison with traditional gear design based on pre-selected, typically standard generating rack parameters and its addendum modification also known […]

Application of Advanced Mesh Analysis To Eliminate Pinion Failures

Through a case study involving pinion failures on plastic extruder drives, this paper covers failure analysis, gear rating review, application […]

Calculating the Risk of Micropitting Using ISO Technical Report 15144-1:2014 – Validation with Practical Applications

For high-performance gear transmissions, case-carburized and ground gears are used in most cases. International standards have been developed to provide […]

Analysis and Optimization of Asymmetric Epicyclic Gears

The design objective of asymmetric tooth gears is to improve performance of the primary drive flank profiles at the expense […]

The Benefits of Asymmetric Gears

Gear wheels often rotate in only one  direction throughout their entire service lives. This applies particularly in the case of […]

An Experimental Evaluation of the Procedures of the ISO/TR 15144 Technical Report for the Prediction of Micropitting

Recently, ISO 15144 [1] has been approved by ISO as a technical report that presents an analysis procedure, which is […]

Changing the Game with an Innovative Machine Concept: Dry Hard-Gear Finishing

Despite the many high-speed, high-torque direct-drive technologies developed over the past years, the overall efficiency of gearboxes is still state-of-the-art. […]

Prediction of Airborne Radiated Noise from Lightly Loaded Lubricated Meshing Gear Teeth

Automotive transmission gear noise has received increased attention in recent years. The phenomenon is considered as a major noise source […]

Advantages of Direct Gear Design For Automotive Polymer Gear Drives

Invention of the gear-generating machining process that uses the gear rack shape tooling cutting edge (as shown in Figure 1) […]

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