Abstract
Although the power skiving of gear process has demonstrated excellent capability in the latest research, the key to the successful application of skiving is the design of suitable tools. We propose a method to design and calculate the skiving tool for machining involute gears. First, according to the principle of power skiving for internal gear, the helical skiving cutter was designed with the modification coefficient and the tapered teeth that were oriented under a helix angle. The structure can avoid friction and interference, as well as ensure the even cutting load during the processing of skiving. Then, the kinematical model of power skiving was established and the profile of cutter with a rake angle was calculated based on the crossed helical gear engagement theory. Finally, using a helical cutter to simulate the machine for an internal spur gear, the results demonstrate that the proposed design method of skiving cutter can avoid interference and meet the requirement of power skiving.
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