![]() ![]() ![]() With the help of a geometrical penetration calculation, the undeformed chip geometry machined in each cutting position is calculated. To predict the chip curling an analytical model was developed. This contact is a result of the chip flow direction superposed by the chip curling. Surface defects can occur if the chip material with the machined surface during the formation of the chip. Possible reasons for lower surface quality are surface defects like chip welding as well as scratches and smearing. Despite the many advantages of dry hobbing, there are also some disadvantages such as poorer surface quality. For high-volume production of small gears, used in automotive applications, dry gear hobbing is an established process. ![]()
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