在这次机械工厂试造任务中,有一些塔形齿轮以及内齿轮必须用齿轮型插齿刀来加工,但是齿轮型插齿刀目前国内还没有厂家制造,而国外订货又限於期限,市场上所能找到者,不合规格,因此机械五厂工具场在车间主任主持下,工友们克服了困难,制造了所需的齿轮型插齿刀,虽然尚有需要改进之 In the pilot plant machinery manufacturing tasks, some of the tower gear and the internal gear must be gear-type gear cutter, but the gear-type gear cutter currently not manufactured in China, and foreign orders are limited to the deadline, the market The ones that can be found were substandard, so under the auspices of the workshop director, the workshop of the Machinery Factory No. 5, the workers had overcome the difficulties and created the required gear-type gear hobbing knife although there was still a need for improvement