Ing. Jarosław Górniak is the technical director at Prozamet. His main interests are gear manufacturing technology, including gear hobbing, shaping, milling, heat treatment and finishing, as well as gear tools, fixture and workholding design and manufacturing.
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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