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畢業(yè)設計說明書（論文）中文摘要
車類機床主要用于加工各種回轉表面，如內外圓柱表面、圓錐表面、成型回轉表面和回轉體的端面等，有些車床還能加工螺紋面。由于多數(shù)機器零件具有回轉表面，車床的通用性又較廣，因此在機器制造廠中，車床的應用極為廣泛，在金屬切削床中所占的比重最大，約占機床總臺數(shù)的20%～35%。
作為主要的車削加工機床，CA6140機床廣泛的應用于機械加工行業(yè)中，適用于車削內外圓柱面，圓錐面及其它旋轉面，車削各種公制、英制、模數(shù)和徑節(jié)螺紋，并能進行鉆孔，鉸孔和拉油槽等工作。床身寬于一般車床，具有較高的剛度，導軌面經中頻淬火，經久耐用。機床主軸孔徑大，操作靈便集中，溜板設有快移機構。機床結構剛度與傳動剛度均比較高，功率利用率也比較高，適于強力高速切削。
臥式機床的加工對象，主要是軸類零件和直徑不太大的盤類零件，故采用臥式布局。其主要部件有：主軸箱、刀架、尾座、進給箱、溜板箱以及床身。本設計主要針對CA6140機床的主軸箱進行設計。機床主軸箱是一個比較復雜的傳動部件。設計的內容主要包括確定機床的主要參數(shù)，擬定傳動方案和傳動系統(tǒng)圖，計算和校核了主要零部件，并且利用專業(yè)制圖軟件進行了零件的設計和處理。
關鍵詞 CA6140機床 零件 傳動
畢業(yè)設計說明書（論文）外文摘要
Title Process Fork Parts to prepare and Milling
Fixture Design
Abstract
The lathe class machine tool mainly was used in to process each kind of rotation surface, like inside and outside periphery, the circular cone surface, take shape the rotation surface and the gyre end surface and so on, some lathes also can process whorl. Because the most machine part has the rotation surface, lathe versatility broader, therefore in machine shop, lathe application extremely widespread, accounts for the proportion in the metal cutting bed to be biggest, approximately composes the machine tool main station number 20% ~ 35%.
As the main turning processing machine tool, the CA6140 machine tool was widespread used in the machine-finishing profession, it is used in turning inside and outside the turning the round cylinder, taper and gyre, turning each kind of metric system, the British system, the modulus and the diameter festival thread, and can carry on the drill hole and pulls work and so on fuel tank. The lathe bed width to the common lathe , has a higher rigidity, the facade of the lead after middle frequency quenching, so it will be durable. The machine tool main axle aperture is big, the operation agile centralism, the apron is equipped with quickly moves the organization. machine tool structure rigidity and transmission rigidity quite high, the power use factor quite is also high, is suitable for the force high-speed cutting.
The horizontal-type machine tool processing object, mainly is the axis class components and the diameter not too big plate class components, therefore uses the horizontal-type layout. Its major component includes: headstock, tool slide, tailstock, feedbox, apron and bed. This design mainly aims at the headstock of the CA6140 machine tool .The headstock of machine tool is a quite complex transmission part. The design content mainly includes determines the machine tool’s main parameter, Draws up the transmission plan and the transmission scheme, Calculated and examined the main spare part，And used specialized charting software to carry on the components design and processing.
keywords CA6140machine tool Part Transmission