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连杆螺钉二孔中心线平行性问题是我们压缩机行业大家所迫切关心的,因为在大多数企业内连杆螺钉二孔中心线不平行度很难达到甚至不能达到规定的技术要求,在一定程度上影响了生产建设。 压缩机技术标准TH17-55中规定连杆两螺钉孔中心线不平行性为100毫米长度上不大于0.02（现改为0.04）。但是,在我们中间对标准的认识还不是统一的,还存在着不同的看法。有些工人、技术人员对标准抱着怀疑的态度,以致影响了标准的贯彻。为了统一认识,希望大家就此问题热烈进行讨论,广泛发表意见,大胆提出个人不同看法,以达到辩明真理,促进生产。 下面我们刊登了沈阳气体压缩机厂袁启昆同志的文章,该同志从设计上、工艺上研究了对螺钉二孔中心线不平行性的技术要求,从而提出了自己的独特见解。 我们希望通过本文的刊登,能引起广大读者对该问题的重视,掀起一个热烈争论的高潮,最后达到统一认识,促进生产的目的。
Connecting rod screw hole centerline parallelism problem is that we are all the urgent concern of the compressor industry, because in most enterprises rod hole two holes centerline non-parallelism is difficult to meet or even meet the required technical requirements, in a certain The degree of impact on the production and construction. Compressor technology standard TH17-55 stipulates that the centerline of the connecting rod two screw holes is not parallel to the centerline of 100 mm length is not greater than 0.02 (now changed to 0.04). However, the standard of understanding among us is not uniform, there are still different views. Some workers and technicians hold skepticism about the standards and thus affect the implementation of the standards. In order to unify their understanding, I hope everyone will hold a lively discussion on this issue, express their opinions widely and boldly put forward personal differences in order to reach the objective of discerning truth and promoting the production. Below we have published an article by Comrade Yuan Qikun of Shenyang Gas Compressor Factory, who commented on the technical requirements for the non-parallelism of the center line of the two holes of screws from the design and technology, and put forward his own unique opinions. We hope that through this publication, we can arouse the readers’ attention to this issue and set off the climax of a heated debate. Finally, we have reached the goal of unifying our understanding and promoting production.