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 […]
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 […]
Case Study: Gleason Corporation and Schafer Gear Works
When the operations manager at Schafer Gear Works, Paresh Shah, visited the Gleason booth at Gear Expo 2015, he wasn’t […]
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 […]
Simulation of Hobbing and Generation Grinding To Solve Quality and Noise Problems
Due to its high productivity and accuracy, generation manufacturing of gearing is widely used in gear production [1, 2]. When […]
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 […]
Polish Grinding of Gears for Higher Transmission Efficiency
The established continuous generating method was used as the base technology for the polish grinding process, which is distinct from […]
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 […]
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) […]
Gear Tooth Root Stresses of a Very Heavily Loaded Gear Pair
For aerospace applications, there is a high premium on minimizing the mass of all components while meeting operational and safety […]
Precision Bevel Gears with Low Tooth Count
Right-angle bevel gears are a particular case of intersected-axis gearing (further Ia-gearing) with an arbitrary value of the shaft angle. […]
Machine Involute Splines and Serrations with Rotary Broach Tools
Of the many ways to machine a form suitable for a gear, rotary broaching is not often the first considered. […]
Failure Analysis of H13 Gear Blank Forging Dies
Forging is defined as the process of working hot metal into a desired shape by impact or pressure1. The hot […]
Add Big Gear Sets to the Multi-Tasking List
Many shops increasingly incorporate full 5-axis multi-tasking machine tool technology because it allows them to handle any kind of part […]
A Field Case Study of ‘Whining’ Gear Noise in Diesel Engines
This paper describes the work performed to reduce first order gear mesh vibration, which was the root cause of an […]
The Effect of the Surface Roughness Profile on Micropitting
A wide choice of surface roughness parameters is available to characterize components such as gears or bearings, with the goal […]
Two Case Studies in the Mining Industry with the KISSsoft Gearbox Variant Generator
When designing gears, the size, weight, and manufacturing cost can be influenced to a great extent by both strategically splitting […]
