Каталог Tungaloy зубофрезерование - страница 58

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Development of gear skiving has been started at the beginning of theGear skiving is a continuous cutting process for the production of so-called
twentieth century. The new machining process for production of gears wasrotationally symmetrical periodic structures, primarily gears. The skiving
then applied for a patent by Wilhelm von Pittler in 1910. Although geartool and the work gear rotate with crossed axes according to a helical gear
skiving promised great potential in terms of productivity and flexibility, itpair. With the helical gear pairing, the movement is divided into a rolling
was not successful in practice and was forgotten. The technical possibilitiesand a screwing part, which becomes a sliding cutting movement when
of that time were not yet available in the areas of machine control andskiving. The larger you choose the cross-axis angle, the more the rolling
tool performance for this high-performance machining process. Thanks tocomponent decreases and the screwing component increases, which leads to
enormous progress in both machine tools and tools, thanks to modern cut-an increase of cutting speed. Cutting speed can only be varied by changing
ting materials and coatings, gear skiving is now suitable for serial productionaxis arrangement and speed of tool and work gear. Skiving tool and work
and promises to be an interesting alternative to the established machininggear receive rotary movements that are related to each other in the ratio of
processes such as hobbing and gear shapingthe number of teeth z2/z0. The cross-axis angle ∑ is equal to the difference
in the case of opposing flank directions; in the case of flank directions in the
0 same direction, it is equal to the sum of the helical angles of skiving tool

and work gear 2.