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V型(xing)(xing)(xing)(xing)(xing)架(jia)(jia)/V型(xing)(xing)(xing)(xing)(xing)鐵主要用(yong)來安放軸,套筒,圓(yuan)盤(pan)等圓(yuan)形工件(jian),以(yi)便找中心線(xian)(xian)與(yu)劃(hua)(hua)出中心線(xian)(xian)。一般V型(xing)(xing)(xing)(xing)(xing)架(jia)(jia)/V型(xing)(xing)(xing)(xing)(xing)鐵都是(shi)一副兩塊,兩塊的(de)平面(mian)(mian)與(yu)V型(xing)(xing)(xing)(xing)(xing)槽(cao)都是(shi)在(zai)一次(ci)安裝中磨出的(de)。精(jing)密V型(xing)(xing)(xing)(xing)(xing)架(jia)(jia)的(de)尺寸相互(hu)表面(mian)(mian)間的(de)平行度(du),垂(chui)直度(du)誤差在(zai)0.01毫米(mi)之內,V型(xing)(xing)(xing)(xing)(xing)槽(cao)的(de)中心線(xian)(xian)必需(xu)在(zai)V型(xing)(xing)(xing)(xing)(xing)架(jia)(jia)的(de)對稱平面(mian)(mian)內并與(yu)底面(mian)(mian)平行,同心度(du),平行度(du)的(de)誤差也在(zai)0.01毫米(mi)之內,V型(xing)(xing)(xing)(xing)(xing)槽(cao)半角誤差在(zai)±30~±1范圍內。精(jing)密V型(xing)(xing)(xing)(xing)(xing)架(jia)(jia)也可做(zuo)劃(hua)(hua)線(xian)(xian),帶有夾持(chi)弓架(jia)(jia)的(de)V型(xing)(xing)(xing)(xing)(xing)架(jia)(jia),可以(yi)把圓(yuan)柱形工件(jian)牢(lao)固的(de)夾持(chi)在(zai)V型(xing)(xing)(xing)(xing)(xing)架(jia)(jia)上,翻轉到各個位置(zhi)劃(hua)(hua)線(xian)(xian)。
V型(xing)(xing)架(jia)(jia)/V型(xing)(xing)鐵(tie)(tie)按JB/T8047-95標準(zhun)制造,也稱(cheng)為V型(xing)(xing)架(jia)(jia),常用的有三口V型(xing)(xing)鐵(tie)(tie),單(dan)口V型(xing)(xing)鐵(tie)(tie)和(he)五口V型(xing)(xing)鐵(tie)(tie)。V型(xing)(xing)鐵(tie)(tie)采用 HT200-250材質,成對供應,主(zhu)要用于精密軸類零件的檢測(ce)、劃線、定儀及機械加工(gong)中的裝夾。