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    690 U形管生產(chǎn)精準(zhǔn)投料方式研究

    Study on Accurate Charging Method for Manufacturing 690 U-tube

    • 摘要: 以核安全1級(jí)“薄、細(xì)、長”核電蒸發(fā)器用690 U形管的生產(chǎn)組織方式為研究對(duì)象，研究其在生產(chǎn)制造過程中物流、信息流和過程質(zhì)量控制等方面對(duì)最終成品成材率的影響。研究認(rèn)為：在嚴(yán)格的核質(zhì)保要求下，合理的工藝過程和穩(wěn)定的工序質(zhì)量控制是提高其成材率的基礎(chǔ)。根據(jù)三道次冷加工變形的工藝特性，通過改進(jìn)和創(chuàng)新生產(chǎn)組織方式，提升產(chǎn)品綜合合格率和精準(zhǔn)投料控制水平是提高成材率的重要途徑。

       

      Abstract: Studied here in the article is the production organization method for the 690 U-shaped tube specified as "thin(wall thickness), small(diameter)and long" tube under Nuclear Safety Class 1 and used for the nuclear power steam generator, focusing on the influences on the finished product yield by such factors as material flow, information flow as well as quality control, etc.during the manufacturing process.Based on the result of the study, it is regarded that following relevant strict unclear quality assurance criteria, proper technological process and consistent operation procedure quality control will play a role of the basis for enhancing the yield of the said tube.It is also regarded that the important way to enhance the yield is to improve and innovate the production organization method as per the characteristics of the 3-pass cold-work deformation process, so as to improve both the product comprehensive qualification rate and the control level for accurate charging.

       

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