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機床技術(shù)革新帶動汽車產(chǎn)業(yè)升級

關(guān)鍵詞 機床技術(shù) , 汽車產(chǎn)品|2012-11-15 11:55:08|來源 中國磨料磨具網(wǎng)
摘要 汽車產(chǎn)品的更新速度將越來越快,隨著技術(shù)進步。日益發(fā)展的多樣性需求,使車型數(shù)量急劇增加;同時汽車產(chǎn)品的更新速度將越來越快,隨著技術(shù)進步。日益發(fā)展的多樣性需求,使車型數(shù)量急劇增加;同時...

  汽車產(chǎn)品的更新速度將越來越快,隨著技術(shù)進步。日益發(fā)展的多樣性需求,使車型數(shù)量急劇增加;同時汽車產(chǎn)品的更新速度將越來越快,隨著技術(shù)進步。日益發(fā)展的多樣性需求,使車型數(shù)量急劇增加;同時在發(fā)動機市場競爭愈發(fā)激烈的情況下,生產(chǎn)批量的不確定性增大。分型制造系統(tǒng)可以應(yīng)對各種不同零件加工的通用性模塊生產(chǎn)方案,比較適合多品種小批量多樣式的生產(chǎn)。同時,由于工件與刀具的運動鏈大為縮短,簡化了機床結(jié)構(gòu),降低了機床各部件間相對位置精度要求,因而降低了機床制造難度。
  汽車產(chǎn)業(yè)產(chǎn)品的更新?lián)Q代離不開機床的支持,多品種大批量制造系統(tǒng)是多樣化時代新生的汽車零部件制造系統(tǒng)。20世紀80年代,柔性自動生產(chǎn)線的問世,加快了汽車產(chǎn)品的更新?lián)Q代,提高了企業(yè)的效率和靈活性,這就是現(xiàn)在可以看到每年有幾十種新車上市的原因之一。
  制造技術(shù)應(yīng)對兼顧多樣性和經(jīng)濟性要求的最新技術(shù)創(chuàng)新。多品種大批量制造系統(tǒng)包括工件送進式機床和緊湊型柔性自動流水線。這對于不同用戶的要求,必需提供中等尺寸和重量的變速器殼體和發(fā)動機缸蓋的多品種變批量制造系統(tǒng)。
  加工對象變卦時更換刀具很方便。這樣一臺多功能或復(fù)合加工機床就可實現(xiàn)除裝夾基面以外的全部加工。同時排屑方便,而最為汽車零部件的常用加工機床即工件送進式機床在此之上又有了革命性發(fā)展:從立車式發(fā)展到加工中心式;具有一組排列式刀具、或動力刀具軸。這些刀具皆為模塊化的根據(jù)加工要求設(shè)置。適合于大批量自動化生產(chǎn)。加工對象變卦時還可變更模塊化刀具,因而加工新品的周期大大縮短,費用大大降低。同時換刀時間短,省略了激進加工中心換刀的大部分動作,因而節(jié)省了換刀時間。




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