Dr.-Ing. Igor Zarębski is the director at Oktoida. His main interests are gear calculation methods, including cylindrical gears, straight and spiral bevel gears, hypoid gears, worm gears, non-circular gears, skew-axis and face gears, as well as gear tools - hobs, shaper cutters and milling cutters.
The toothed belt and pulley system known by the designation T, which has been selected as an example within this paper, was developed in the 1950s and standardized first in DIN 7721 (1977) and then in ISO 17396:2014. In this case study, the authors check if a single hob can properly cut T5 profile pulleys with 25 and 30 teeth—and if
so, define the range of the number of teeth covered by this hob.
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