The Swabian transmission and drive solutions manufacturer SPN Schwaben Präzision Fritz Hopf GmbH manufactures gearboxes, gears, and drive systems according to individual customer requirements.
The following study presents an experimental methodology, employed to characterize the NVH behavior of plastic gears NVH in application-like operating conditions, presenting guidelines for material selection in terms of optimal gear NVH.
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In this paper, ultrasonic fatigue testing results for “core hardened” AMS 6308 gear steel are presented. AMS 6308 is a gear and bearing steel with high tempering resistance and high hot hardness case targeted to high temperature applications
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澳洲幸运5开奖官网开奖结果号码-开奖记录历史查询 This paper is divided into two parts. The first part is a general digression on the pressure angle on cylindrical gears. The pressure angle is a variable that plays an important role in defining the geometry of gears and hobs, yet it is not widely discussed. This introduction serves as a prerequisite for the second part of the paper. The second part will show an application case of choosing the most suitable hob to cut a given gear. In this selection process, particular attention will be paid to the pressure angle of the hob for cutting with modified rolling, i.e., with a reduced pressure angle compared to that of the gear.
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Overall developments and widespread public awareness of man-made climate change are transforming the way people think. The awareness has inspired a shift towards a more ecologically sustainable way of life. Driven by policymaking and technological innovation, ambitious efforts are underway to reduce greenhouse gas emissions to curb the rise in average temperatures. A key focus of these efforts is the mobility sector.
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In modern automotive vehicles, gear noise becomes more and more of an issue. The main reason is the reduced masking noise of the engine, which vanishes completely in the case of an electric driveline. Improved gear quality unfortunately does not correlate with a better noise performance in any case. High gear quality makes sure that the gear flanks are inside tight tolerances and that all teeth are nearly identical. Even if the running behavior of such gear sets shows a very low sound pressure level, the noise perception for human ears may be annoying.
When grinding steel parts, the surface of the part can "burn" if too much heat is applied in a short time. Grinding burn refers to all those structural changes in edge zones of steel parts that are caused by grinding processes in steels due to the thermal energy introduced. Grinding burn can mainly occur in the form of tempering zones or new hardening zones.
Complete inspection of gear surface finishes at the submicron level became a reality with the introduction of Gleason’s 300GMS nano, in 2022. The new system ushered in an exciting new era in gear inspection. For the first time, producers of EV transmission gears, and gears for other applications requiring very tight tolerances and low noise requirements, could quickly inspect surface finishes and perform extremely reliable noise analysis at submicron levels—benefits that were almost impossible to achieve just a few years ago.
Gas carburizing has been around for a long time. One could argue that gas carburizing is the most common heat treating process. Heat treaters performing gas carburizing are often characterized by a dirty environment, hazy surroundings, and that “smell.” While the product quality may be acceptable, gas carburized parts do come with some challenges, like excessive intergranular oxidation (IGO) or intergranular attack (IGA), which is often ground off. Low-pressure carburizing (LPC) has proven to be a much cleaner and very capable alternative process. Most furnace companies have combined LPC with high pressure gas quenching, which moved carburizing from the dark back room to a relatively “clean room” environment. However, there is still a strong need for oil quenching, which is the common feature of the long used standard integral-quench (IQ) furnace.
Injection molding bridges prototyping and full-scale production with its unmatched scalability and precision. By integrating CT technology, manufacturers gain clear insights into mold accuracy and material behavior—accelerating the path from design to high-volume, defect-free plastic parts.
Whether it’s gears for industrial or humanoid robots, Gleason has you covered:
100PS Power Skiving and Hobbing Machine and Phoenix® 100C Bevel Gear Cutting Machine provide excellent productivity and flexibility to cut your strain wave and planetary gears, as well as bevel and hypoid gear sets in unsurpassed quality. Both come with or without integrated automation and complete tooling systems. Measure the results on the 175GMS nano Metrology System with various analysis capabilities.
Is your grinding or finishing process optimized for maximum efficiency? The Weiler Process Solutions (WPS) evaluation helps gear manufacturers to enhance productivity, reduce costs, and improve safety. Our expert team will assess your operation and recommend tailored solutions to optimize performance. Sign up for a free evaluation today, and we’ll contact you within 48 hours to discuss how we can help—potentially visiting your site for a hands-on assessment.
Discover how machine learning minimizes roughness variations in profile grinding, enhancing the performance and durability of wind power gearboxes. The latest research by KAPP NILES demonstrates an optimized dressing process that improves surface quality on tooth flanks after profile grinding for next-generation wind turbines.
Join us at AISTech, Booth 1161, where our abrasives experts will help you to unlock your full potential. You will learn about Precision Express, our latest innovative service that combines on-demand profiling with readily available grinding wheels, cutting your lead times from months to just days. For those who value productivity-enhancing solutions and want a competitive edge, Weiler Abrasives is a premier partner.
As a brand of Kapp Niles, Penta Gear designs, manufactures, and installs analytical metrology machines, while performing as a trusted source for contract gear and spline inspection.
Markus Stolmar, president and CEO of United Grinding North America Inc., a subsidiary of the United Grinding Group, was recently elected to the Association for Manufacturing Technology (AMT) board of directors. AMT represents U.S.-based providers of manufacturing technology, speeding the pace of innovation, increasing global competitiveness and developing the industry’s advanced workforce of tomorrow.
SmartSights, a provider of operational intelligence software that helps industrial teams improve response times, is integrating WIN-911 autonomous alerts notification software with PEER," an issue management and resolution accelerator.
Sep 10, 2025 - Sep 12, 2025
The 11th International VDI Conference on Gears 2025 will be held in Garching, Munich at the Gear Research Centre (FZG) of the Technical University of Munich. Supported by national and international associations, the conference brings together 500+ leading experts from the international gear and transmission industry. Visiting the conference gives attendees the opportunity to take part in this leading international forum and learn about the latest developments and research results in the powertrain industry and academia.
Jun 17, 2025 - Jun 18, 2025
Jun 2, 2025 - Jun 5, 2025
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