07/22: A BREAKTHROUGH ON SUPERFINISHING OF HIGH LOADED GEARS BRINGS BIG COST SAVINGS INTO AEROSPACE PRODUCTION
Whitepaper Aerospace
High loaded gearboxes, such as reduction, propeller and helicopter gearboxes, they are counted as the highest loaded gearboxes with the highest precision in design, validation and manufacturing. Many gearboxes in this application are designed as a planetary gear system that transmits the torque from the low-pressure turbine to the propeller, rotor or fan. With this gearbox design, many benefits such as fuel burn savings, engine noise reduction and engine operation cost reduction can be achieved.
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07/22: ELECTROCHEMICAL SMOOTHING OF METALS USING ION-CONDUCTING SOLIDS IN WEAKLY CONDUCTIVE SOLUTIONS
WHITEPAPER ELECTROPOLISHING
For applications in dental technology, it is very important to achieve a homogeneous, smooth surface without affecting the delicate components, e.g. side clasps of dental parts. Conventional polishing baths for smoothing cobalt-chrome dental parts can smooth the surface, but the result can be very uneven, de-pending on the shape of the workpiece. As an alternative, weakly conducting electrolytes with ion-exchanging solid particles based on styrene copolymers and sulfonated divinylbenzene have been available on the market for several years. This article draws a direct comparison between both methods, in terms of the electropolishing result and the surface quality achieved, using optical microscopy and roughness measurements.
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04/22: THE OTEC LOGO IN CHANGING TIMES
OTEC intern
Being a pioneer, taking on challenges, considering the rapidly changing market conditions, and continuing to provide innovative solutions have always been the OTEC philosophy. The opportunity to develop continuously as a company and work alongside OTEC customers requires a company logo that is in line with the times.
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01/22: DESBARBADO Y REDONDEO DE DISCOS DE TURBINA
Whitepaper Aerospace
Los discos de turbina y de compresor tienen unas ranuras de montaje, conocidas como muescas con forma de espina de pez, en las que se insertan los álabes de la turbina. El brochado, la electroerosión por hilo y el fresado se han consolidado como los métodos de fabricación de estas ranuras de montaje. Durante el proceso se forman rebabas o bordes afilados en la muesca. Para que el montaje pueda llevarse a cabo correctamente y evitar lesiones, los bordes de la ranura y los del pie del álabe deben estar libres de rebabas y tener un radio definido.
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