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滚齿加工时滚刀是否需要对中是一个有争议的老问题,本刊曾在1984年第9期至1986年第2期的“争鸣园地”上进行了专题讨论。就其讨论的观点主要归纳有两种:一是滚刀无需对中[1],二是滚刀必须对中[2],并曾以文献[2]的论点总结了上一阶段的讨论。对文献[2]中的计算错误和结论性意见,已在文献[3]中作了阐述。为了进一步探讨滚刀对中问题,本刊委托重庆市刀协的同行们,查阅了大量国内外有关文献资料;走访了部分专家、学者和有丰富实践经验的操作工;进行了中、小模数齿轮滚刀对中试验;并召开了专题学术研讨会,本刊发表了会议的优秀论文。通过上述活动,对滚刀对中问题有了较为全面和客观的正确认识,并从中得出一些能具体指导生产实践的结论。现将有关滚刀对中的调查、试验及论证分述如下。
Hob hob processing need to be on the center is a controversial issue of the old, the magazine has been in 1984, No. 9 to 1986, No. 2 “Contest Garden” on the topic of discussion. There are two main points of view on the discussion: First, the hob does not need to be centered [1]; second, the hob must be centered [2], and the discussion of the previous stage has been summarized in the literature [2]. The calculation errors and concluding observations in [2] have been described in [3]. In order to further explore the hobbing problems, our colleagues entrusted Chongqing knife Association, access to a large number of domestic and foreign literature and information; visited some experts, scholars and experienced practical operatives; conducted in the small mode Number of gear hob-centered test; and held a special academic seminar, the publication of the conference outstanding papers. Through the above activities, the hobbing center has a more comprehensive and objective understanding of the problem, and draw some conclusions that can guide the practical production. The relevant hob survey, test and demonstration are as follows.