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一、冷(leng)卻(que)(que)(que)和涂層: 1)平面(mian)銑削是否要冷(leng)卻(que)(que)(que),存在(zai)爭議。當(dang)用一個(ge)大直徑面(mian)銑刀(dao)銑削時,冷(leng)卻(que)(que)(que)液難(nan)以噴到(dao)整個(ge)銑刀(dao)。特別是銑削屬于斷續加工。刀(dao)片(pian)在(zai)頻繁地切入、切出(chu),實(shi)際上冷(leng)卻(que)(que)(que)液達(da)不到(dao)刀(dao)尖,而是刀(dao)尖切入時被(bei)加熱,切出(chu)時被(bei)冷(leng)卻(que)(que)(que)。這種(zhong)很(hen)快地加熱、冷(leng)卻(que)(que)(que),極易... 汽(qi)車零(ling)(ling)部件(jian)加工(gong)(gong)為什么選(xuan)擇加工(gong)(gong)中心和車銑復合 汽(qi)車零(ling)(ling)部件(jian)加工(gong)(gong)主要(yao)是指缸體、缸蓋、曲(qu)軸、凸(tu)輪(lun)軸、連(lian)桿、渦(wo)輪(lun)增壓器加工(gong)(gong)等(deng)。加工(gong)(gong)這(zhe)些零(ling)(ling)件(jian)所需的(de)機床大(da)多(duo)是高效、高性能(neng)、高可靠性的(de)福(fu)道數控(kong)(kong)機床或專(zhuan)用數控(kong)(kong)機床。汽(qi)車零(ling)(ling)部件(jian)作為汽(qi)車的(de)核(he)心功能(neng)部件(jian),在加上汽(qi)... 精密(mi)車削(xue)加(jia)(jia)工(gong)(gong)(gong)中心在加(jia)(jia)工(gong)(gong)(gong)模具的(de)(de)(de)過程中,對精度(du)和曲面的(de)(de)(de)加(jia)(jia)工(gong)(gong)(gong)質量要(yao)(yao)求(qiu)(qiu)越(yue)來越(yue)高(gao),為保證模具加(jia)(jia)工(gong)(gong)(gong)質量,我們應從機床的(de)(de)(de)選擇、刀柄的(de)(de)(de)選擇、刀具的(de)(de)(de)選擇、加(jia)(jia)工(gong)(gong)(gong)方案、程序生成(cheng)、操作者(zhe)要(yao)(yao)求(qiu)(qiu)等方面進行考慮。 1.選用精密(mi)車削(xue)加(jia)(jia)工(gong)(gong)(gong)中心 隨著(zhu)產品設(she)計要(yao)(yao)求(qiu)(qiu)的(de)(de)(de)提高(gao)與... 1.加工(gong)精度(du)(du)高,質量穩定 數控(kong)加工(gong)中心(xin)機(ji)床的加工(gong)過(guo)程是由計算機(ji)根據預(yu)先輸入(ru)的程序進行控(kong)制的,只要(yao)信息(xi)指令正確,就能保證(zheng)數控(kong)車床精度(du)(du),從而(er)避免因操作(zuo)者技術水平的差異而(er)引起(qi)的產品質量的不同。我(wo)們知道加工(gong)中心(xin)零件加工(gong)本身的重復精度(du)(du)較高,在加工(gong)同... 型(xing)(xing)鋼加(jia)(jia)(jia)工(gong)中(zhong)心刀具長(chang)度(du)補償應用 型(xing)(xing)鋼加(jia)(jia)(jia)工(gong)中(zhong)心是(shi)一種綜合加(jia)(jia)(jia)工(gong)能力較強的設(she)備,型(xing)(xing)鋼加(jia)(jia)(jia)工(gong)中(zhong)心設(she)置(zhi)有(you)刀庫(ku)和(he)自(zi)動換刀裝置(zhi),在加(jia)(jia)(jia)工(gong)過程(cheng)中(zhong)由(you)程(cheng)序自(zi)動選刀和(he)換刀,由(you)于型(xing)(xing)鋼加(jia)(jia)(jia)工(gong)中(zhong)心常用來加(jia)(jia)(jia)工(gong)形(xing)狀復雜、工(gong)序多、精度(du)要(yao)求(qiu)較高、需(xu)用多種類型(xing)(xing)的普通機(ji)床和(he)眾多刀具、夾... 隨(sui)著數控車(che)床精密加(jia)(jia)工(gong)技術(shu)的(de)(de)迅速發展(zhan)和零件加(jia)(jia)工(gong)精度(du)的(de)(de)不斷提高,對精密車(che)削加(jia)(jia)工(gong)中(zhong)(zhong)心(xin)的(de)(de)精度(du)也提出了更高的(de)(de)要(yao)求(qiu)。用戶在選購精密車(che)削加(jia)(jia)工(gong)中(zhong)(zhong)心(xin)時,都十(shi)分看重機(ji)床的(de)(de)精度(du),下面(mian)就影(ying)響(xiang)數控加(jia)(jia)工(gong)中(zhong)(zhong)心(xin)精度(du)的(de)(de)兩大方面(mian)介紹。 精密車(che)削加(jia)(jia)工(gong)中(zhong)(zhong)心(xin)的(de)(de)定位精度(du)一般指各(ge)數... 自動化(hua)(hua)CNC數控(kong)車(che)床(chuang)在加(jia)工(gong)中(zhong)的(de)(de)需求日益激進,機床(chuang)工(gong)業(ye)是國(guo)(guo)家(jia)工(gong)業(ye)體系中(zhong)一(yi)個重要的(de)(de)工(gong)業(ye)分(fen)支(zhi),是航天、軍工(gong)、汽車(che)、路途(tu)、橋梁、化(hua)(hua)工(gong)等不一(yi)樣職業(ye)最有力的(de)(de)支(zhi)撐(cheng)和(he)保證(zheng)。當前,中(zhong)國(guo)(guo)的(de)(de)機床(chuang)工(gong)業(ye)正處(chu)于一(yi)個疾速開(kai)展和(he)前進的(de)(de)時期,在根底技能、描(miao)繪及制作技能、高端技能和(he)新功用開(kai)發等方面都取得了長足的(de)(de)前進。機床(chuang)工(gong)業(ye)的(de)(de)開(kai)展壯大得益于自動化(hua)(hua)新技能在機床(chuang)工(gong)業(ye)中(zhong)繼續遍及的(de)(de)運(yun)用和(he)推行(xing), 數控(kong)車床(chuang)具(ju)有(you)機、電、液集于一身的(de)(de),技術密集和知識(shi)密集的(de)(de)特點(dian),是一種自(zi)動(dong)(dong)化(hua)程度(du)高、結構復雜且又(you)昂貴的(de)(de)先(xian)進加(jia)工設備。為了充分發揮其效益,減少故障的(de)(de)發生(sheng),必(bi)須做好日常維護(hu)工作,所以要(yao)求數控(kong)車床(chuang)維護(hu)人(ren)員不僅要(yao)有(you)機械、加(jia)工工藝以及(ji)(ji)液壓氣動(dong)(dong)方面的(de)(de)知識(shi),也要(yao)具(ju)備電子計(ji)算機、自(zi)動(dong)(dong)控(kong)制、驅動(dong)(dong)及(ji)(ji)測(ce)量技術等知識(shi), |