roughing 中文意思是什麼

roughing 解釋
初步加工
  1. The model is tested by a typical die - cavity roughing, and shortening machining time and balancing cutting - load can be attained

    通過典型模具型腔的粗加工試驗驗證，證明該進給率優化策略不僅可以縮短加工時間，而且可以使加工載荷均勻。
  2. He was sent off the field by the referee for roughing.

    他因舉止粗魯而被裁判命令離場。
  3. Improved hand picking technology greatly enhance the mineral processing tate of waste in many dressing plants. the flotation in normal temperature is a big breakthrough in mineral processing technology of scheelite. improved jig sizing applied in roughing and grqvity dressing, and improved tungsten fine deposit recovering technology enhance the recovery of tungsten fine deposit

    手選工藝的改進，使各選廠的廢石選出率得到大幅度地提高；常溫浮選是白鎢選礦工藝的重大技術突破；推廣並改進動篩跳汰使這在粗、重選中獲得應用；鎢細泥工藝的改進提高了鎢細泥的回收率。
  4. Band roughing mill

    帶材粗軋機
  5. Numerical simulation signal and vibration acceleration signal of a roughing mill main drive speed reduction unit have been decomposed by using empirical mode decomposition algorithm ; each component has been carried on spectral analysis

    摘要運用經驗模式分解演算法對數值模擬信號及某軋鋼廠粗軋機主傳動減速機振動加速度信號進行了分解，從而得到若干個基本模式分量，對每個模式分量進行了頻譜分析。
  6. The roughing cut, to remove the greater part of the excess material, should be reasonably heavy, that is, all the machine, or cutting tool, or work, or all three, will stand

    粗切削因為要去除大部分的余料，切削力量肯定是相當大的，這就意味著，整個機器、刀具、工件或這三者都要能承受得了。
  7. As part of the current project, siemens is resupplying the drives for the roughing mill and sections of the finishing mill

    作為當前項目的一部分，西門子再次為粗扎機和精軋機提供驅動。
  8. Medium plate plant of chongqing iron & steel has reconstructed technically the original two stand rolling mills ( roughing mill and finishing mill ) and changed dc drive system into ac frequency converter drive system

    重慶鋼鐵集團公司中板廠對兩臺主軋機（粗軋機和精軋機）驅動系統進行了技術改造，將原來的直流驅動系統全部改造成變頻調速驅動系統。
  9. At present, many products developed by the company have won scientific and technological achievement award of tianjin, such as finishing equipment in 500 hot - rolled ribbon steel production line, 750 hot - rolled band steel production line, roughing and finish rolling equipment in 1070universal h section productionline

    目前公司開發研製的「 500熱軋窄帶鋼生產線精裝精整設備」 、 「 750熱軋帶鋼生產線」 、 「 1070萬能h型鋼生產線粗精軋設備」等多種產品均已獲得了天津市科技成果獎。
  10. Abstract : the flying shear located behind the roughing stands of wire - rod mill is designed with hard surface gears for driving system, engaging of zero tolerance, hydraulic cylinder for clamping and shiftting, convenient and practical gap adjusting structure for blade

    文摘:介紹了邯鋼三軋廠在線材軋機粗軋機組后的飛剪設計中，採用了硬齒面齒輪傳動，零側隙嚙合，液壓缸鎖緊與橫移及簡便實用的剪刃間隙調整機構。
  11. Sometimes, however, certain portions of a piece may require more than one roughing cut

    不過，有時工件的某些部位可能需要不止一次的粗切削。
  12. Generally speaking, bars of steel, forging, castings, etc. are machined to the required shape and size with only one roughing and one finishing cut

    一般地說，鋼質棒料、鍛件、鑄件等只經一次粗切削和一次精切削即可達到所要求的形狀和尺寸。
  13. Roughing end mill with parallel shank types and dimensions

    直柄粗加工立銑刀型式與尺寸
  14. Roughing end mill with morse taper shank types and dimensions

    莫氏錐柄粗加工立銑刀型式與尺寸
  15. Roughing end mills technical specifications

    粗加工立銑刀技術條件
  16. Roughing end mill with flatted parallel shank types and dimensions

    削平型直柄粗加工立銑刀型式與尺寸
  17. Roughing it, about his adventures in the far west, contained some richly funny episodes.

    《苦行記》寫的是他在美國極西部的經歷，其中有些十分可笑的插曲。
  18. Abstract : the design of later twist roll of roughing and intermediate mills, which are imported by maanshan iron and steel co., exist great bias. the reasonable size of twist bar diameter is gotten by theory analysis and calculation. so the problem of alternating motion of roll is resolved based on it

    文摘:馬鋼引進高線軋機粗中軋機后扭轉輥設計存在較大偏差，通過理論分析和計算，得出扭轉輥試棒直徑的合理尺寸，使用此值，從根本上解決了軋機的竄輥問題。
  19. The plate mill will be equipped with an additional roughing stand which will increase the capacity of the plant to 1. 8 million metric tons per year

    軋板機廠將裝備一個額外的粗磨架，這將把工廠的生產能力提升到180萬噸每年。
  20. Aluminum products with shing uniform surface was prepared by electrochemical graining process, including alkaline cleaning, 1 % naoh etching, electrochemical roughing in hcl, naoh treating and anodizing in 5 % h2so4 etc

    摘要研究了鋁材無掛灰電化學砂化處理工藝。以鹽酸作為電解液的主成分，控制合適的電流密度和電解時間等工藝參數，通過6步處理，得到砂化均勻、粗糙度適中及光亮的砂面。
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