EUREKA project E! 2339 EUROENVIRON GRINDING project has developed an alternative, flexible and environmentally friendly manufacturing technology for the production of gears that can reduce production times from months to a matter of days.
It can be used for all kinds of gears and joints made from treated alloyed steel, heat-resistant nickel or titanium alloys, such as those used in turbine and jet engine blades.
The current production process for industrial gears is expensive in terms of labour, materials and time. It involves the manufacture and maintenance of gear-cutting tools, the cutting and shaping of a blank and heat and thermo-chemical treatments. In comparison, the new process “is based on precision deep grinding by a shaped grinding wheel that improves both quality and productivity of the final gears. These unique tools are made by fusing abrasive grains of alumina corundum and silicon carbide to the surface of the tool with strong ceramic bonds,” says Josef Frumar, Production Manager at Czech lead partner Carborundum Electrite a.s.
The project partners hope that this new technique of grinding exact gear shapes may become an alternative to conventional practice which relies on distinct metalworking methods to obtain precision cutting edges. In Russia alone, the annual demand for grinding wheels is over 50,000 units. “The introduction and adoption of the new gear-manufacturing technology will make it possible to increase the production rates and quality of finished gear products,” concludes Frumar.
Julie Sors | alfa
Fraunhofer researchers develop measuring system for ZF factory in Saarbrücken
21.11.2017 | Fraunhofer-Institut für Zerstörungsfreie Prüfverfahren IZFP
New manufacturing process for SiC power devices opens market to more competition
14.09.2017 | North Carolina State University
MPQ scientists achieve long storage times for photonic quantum bits which break the lower bound for direct teleportation in a global quantum network.
Concerning the development of quantum memories for the realization of global quantum networks, scientists of the Quantum Dynamics Division led by Professor...
Researchers have developed a water cloaking concept based on electromagnetic forces that could eliminate an object's wake, greatly reducing its drag while...
Tiny pores at a cell's entryway act as miniature bouncers, letting in some electrically charged atoms--ions--but blocking others. Operating as exquisitely sensitive filters, these "ion channels" play a critical role in biological functions such as muscle contraction and the firing of brain cells.
To rapidly transport the right ions through the cell membrane, the tiny channels rely on a complex interplay between the ions and surrounding molecules,...
The miniaturization of the current technology of storage media is hindered by fundamental limits of quantum mechanics. A new approach consists in using so-called spin-crossover molecules as the smallest possible storage unit. Similar to normal hard drives, these special molecules can save information via their magnetic state. A research team from Kiel University has now managed to successfully place a new class of spin-crossover molecules onto a surface and to improve the molecule’s storage capacity. The storage density of conventional hard drives could therefore theoretically be increased by more than one hundred fold. The study has been published in the scientific journal Nano Letters.
Over the past few years, the building blocks of storage media have gotten ever smaller. But further miniaturization of the current technology is hindered by...
With innovative experiments, researchers at the Helmholtz-Zentrums Geesthacht and the Technical University Hamburg unravel why tiny metallic structures are extremely strong
Light-weight and simultaneously strong – porous metallic nanomaterials promise interesting applications as, for instance, for future aeroplanes with enhanced...
11.12.2017 | Event News
08.12.2017 | Event News
07.12.2017 | Event News
12.12.2017 | Physics and Astronomy
12.12.2017 | Earth Sciences
12.12.2017 | Power and Electrical Engineering