根据渐开线球齿轮的仿形加工原理，设计一种具有渐开线齿廓的指状铣刀。
According to the principle of profiling machining of involute spherical gears, this paper designs the accurate involute profile curve of its finger milling-cutter.
但是，在仿形铣削中，是由滚子直接与铣刀头耦连，紧靠在样板或靠模上，以获得零件所需外形。
With tracer-controlled milling, however, the required form is generated by causing a tracer, directly coupled to a cutting head, to follow a template or a model.
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