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Eliminating Gear Noise Before It Starts with Inline Process Monitoring

Detecting micro-deviations on gear geometries at an early stage to eliminate increased noise emissions

In electric vehicles, the meshing of the gears can cause disruptive gearbox noise excitations. It is therefore becoming increasingly important for automotive manufacturers and suppliers of electric motors to identify and eliminate the causes of unwanted noise at an early stage. With the LHProcessMonitoring software, Liebherr-Verzahntechnik GmbH has developed a tool that detects deviations during gear production. This saves costs and reduces rejects—and is therefore also of interest to manufacturers of conventional gearboxes.

Precision Under Pressure

Meeting the demands of modern gear grinding

Keeping Tomorrow Moving

Highlights and innovation at MPT Expo + Heat Treat 2025

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Technical Articles

Electric vs. Combustion: A Comparative Analysis of Gear Design for Commercial Vehicle Applications

This paper examines the transition from internal combustion engine (ICE) vehicles to electric vehicles (EVs), highlighting the distinct gear design requirements for each and presenting a comparative case study of gearbox configurations in a 14-ton commercial vehicle.

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Nanocomposite Coatings for Gears

This work aims to demonstrate the potential benefit of applying nanocomposite coatings to gear teeth to reduce operating friction and wear by presenting tribological test data.

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3D Scan-Based Reverse Engineering of Differential Bevel Gears

This study aims to propose a robust reverse engineering methodology for straight bevel gears, especially for those found in inter-wheel differentials.

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A Review on Gear Transmission Error

This paper will review the development process, current research status, characteristics, functions, and measurement methods of TE. It will analyze the difficulties and core issues existing in the basic theory of TE, clarify the limitations and deficiencies of TE, and explore ways to overcome the shortcomings of TE.

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Design

The main objective of this study is to perform an experimental evaluation of the structural model of a five-planet first planetary stage from a modern 6MW wind turbine gearbox.

Grinding

Cylindrical grinding is an essential machining process in precision manufacturing, ensuring that components meet stringent tolerances with superior surface finishes. Optimizing this process involves a strategic approach to wheel selection, process automation, in-process measurement and machine maintenance. This article explores key technical factors that influence the efficiency and accuracy of cylindrical grinding operations.

Inspection

Gear inspection has long been a highly specialized, costly investment and an overall challenging part of the gear manufacturing process. Through advances in technology and automation, this typically tedious, time-consuming process is becoming significantly
more efficient as multisensor coordinate measuring machines (CMMs) gain more traction as one of the preferred methods of gear inspection.

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Videos

Gleason Modernization Programs / P300 Recontrol

Complete Machine Remanufacture on a Gleason P300 - Complete remanufacture addresses all machine functions. The machine is returned to Gleason, where it is completely disassembled and rebuilt. A machine remanufacture is similar to buying a new machine but without the need to purchase new peripherals or to rethink existing process chains.

Industry News

Nidec Machine Tool America (NMTA) is pleased to announce that Todd Hughes has rejoined the company as Regional Sales Manager for the U.S. West Coast. In this role, Hughes will oversee gear machine tool sales across Arizona, California, Colorado, Idaho, Montana, New Mexico, Oregon, Utah, Washington, Wyoming, and British Columbia. 

Product News

HWR Workholding USA has launched a pair of new products designed to further support manufacturers seeking efficient and reliable automation systems. The INOFlex VF-A hydraulic 4-jaw chuck offers exceptional performance in turning applications, while the SOLIDPoint Pneumatic Coupler simplifies integration of SOLIDLine modular zero-point workholding with an existing pneumatic system.

Calendar

AIoT World Expo 2026

Feb 10, 2026 - Feb 12, 2026

The AIoT World Expo (Fort Lauderdale, FL) is the premier event for exploring the convergence of Artificial Intelligence (AI) and the Internet of Things (IoT). This event serves as the gathering point for industry professionals to discover advancements, market opportunities, and understand the transformative power of AIoT across industries. Technologies include scalability, Edge, and AI data analytics, cloud solutions, machine learning (ML), and predictive analytics, cyber security and hybrid models.

CES 2026

Jan 6, 2026 - Jan 9, 2026

PowerGen 2026

Jan 20, 2026 - Jan 22, 2026

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