執(zhí)行器IC20-07W2T芯科技，芯創(chuàng)新；88204949
冷卻液在霧化過程中本身溫度下降，所產生的微小液滴在碰到溫度較高的輥面或板面時往往即時蒸發(fā)，借助蒸發(fā)潛熱大量吸走熱量，使整個冷卻效果大為改善。實際測溫資料表明，即使在采用有效的工藝冷潤的條件下，冷軋板卷在卸卷后的溫度有時仍達到攝氏13－15度甚至還要高，由此可見在軋制變形區(qū)中的料溫一定比這還要高。輥溫的反常升高以及輥溫分布規(guī)律的反?；蛲蛔兙蓪е抡］佇蜅l件的破壞，直接有害于板形與軋制精度。同時輥溫過高也會使冷扎工藝潤滑劑失效（油膜破裂），使冷軋不能順利進行。
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球頭銑刀是加工復雜曲面(特別是自由曲面)工件的重要刀具，研制高質量、低成本的球頭銑刀具有重要的經濟意義。本文第二作者在《哈爾濱工業(yè)大學學報》1996年第5期的《等角螺旋銑刀二軸聯(lián)動數(shù)控加工方案及其幾何模型》中介紹了與工具廠科技人員合作研究的二軸聯(lián)動加工回轉刀具的基本原理和對應模型；本文作者在《工具技術》1999年第12期的《球頭銑刀刃口曲線的求解及螺旋溝槽的二軸聯(lián)動數(shù)控加工》中給出了二軸聯(lián)動加工球頭銑刀的刃口設計與溝槽加工的通用數(shù)學模型，并實施了計算機虛擬制造。
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