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功(gong)(gong)率(lv)(lv)密(mi)度(du)(du)是CNC火花紧(jin)固(gu)(gu)(gu)件功(gong)(gong)率(lv)(lv)密(mi)度(du)(du)是CNC火花紧(jin)固(gu)(gu)(gu)件的一个重要分项(xiang)，虽然在(zai)(zai)使用者(zhe)购买时能(neng)(neng)尽可能(neng)(neng)挑选出精(jing)确度(du)(du)高(gao)数(shu)(shu)(shu)值(zhi)小(xiao)的紧(jin)固(gu)(gu)(gu)件，但是随着(zhe)电(dian)子(zi)设(she)备启(qi)用天数(shu)(shu)(shu)越长，电(dian)子(zi)设(she)备破损越吓人，导致紧(jin)固(gu)(gu)(gu)件的功(gong)(gong)能(neng)(neng)定(ding)位(wei)数(shu)(shu)(shu)值(zhi)愈(yu)来(lai)愈(yu)大(da)，这对研磨(mo)和(he)生(sheng)产的配(pei)件有(you)著毁灭(mie)性的负面影响，选用以上(shang)方式对紧(jin)固(gu)(gu)(gu)件各单位(wei)向(xiang)量的逆(ni)向(xiang)局(ju)限(xian)性、功(gong)(gong)率(lv)(lv)密(mi)度(du)(du)展(zhan)开精(jing)确量测(ce)和(he)补(bu)偿金，能(neng)(neng)较好地增大(da)或(huo)消解逆(ni)向(xiang)局(ju)限(xian)性对紧(jin)固(gu)(gu)(gu)件精(jing)确度(du)(du)的有(you)利(li)负面影响，提(ti)高(gao)紧(jin)固(gu)(gu)(gu)件的功(gong)(gong)率(lv)(lv)密(mi)度(du)(du)，使紧(jin)固(gu)(gu)(gu)件处在(zai)(zai)最差精(jing)确度(du)(du)状况，进(jin)而确保(bao)配(pei)件的研磨(mo)产品质(zhi)量。如果测(ce)到CNC火花紧(jin)固(gu)(gu)(gu)件的功(gong)(gong)能(neng)(neng)定(ding)位(wei)数(shu)(shu)(shu)值(zhi)远远超过数(shu)(shu)(shu)值(zhi)

电(dian)火花加工(gong)方法由(you)前(qian)苏联的(de)(de)(de)学者拉扎连柯(ke)(ke)夫(fu)妇于1943年(nian)发(fa)明(ming)的(de)(de)(de)。拉扎连柯(ke)(ke)生于1910年(nian)。1929年(nian)起(qi)他在顿巴斯冶金工(gong)厂当锻工(gong)，1931年(nian)至1936年(nian)是(shi)莫(mo)斯科国立罗蒙诺索夫(fu)大(da)学的(de)(de)(de)学生 。1935年(nian)起(qi)就在全苏列宁电(dian)工(gong)技术研究(jiu)所开始了研究(jiu)工(gong)作，毕(bi)业论文的(de)(de)(de)题目(mu)是(shi)研究(jiu)引(yin)起(qi)触点(dian)材料破(po)坏(huai)的(de)(de)(de)原因及寻找消(xiao)除方法。这是(shi)他人生道路的(de)(de)(de)转折点(dian) 。当时，随着电(dian)气(qi)化(hua)和自(zi)动化(hua)的(de)(de)(de)发(fa) 展(zhan)，触点(dian)材料被(bei)电(dian)腐(fu)蚀(shi)而破(po)坏(huai)的(de)(de)(de)现象日(ri)趋严重，为此，人们千(qian)方百计地与这种有害现象作斗(dou)争(zheng)。年(nian)轻(qing)的(de)(de)(de)拉扎连柯(ke)(ke)以极大(da)的(de)(de)(de)勇气(qi)和锐敏的(de)(de)(de)洞察力，打破(po)常(chang)规，克服了学者们认为电(dian)腐(fu)蚀(shi)是(shi)有害现象的(de)(de)(de)传统习惯思

一(yi)、判断题：（共10题，每题2分，共计20分）1. 火(huo)花(hua)(hua)机(ji)(ji)设(she)(she)备(bei)(bei)(bei)操作人(ren)员安全(quan)(quan)保护用品(pin)未佩(pei)带齐全(quan)(quan)，严禁(jin)操作设(she)(she)备(bei)(bei)(bei)。 ( √ )2. 火(huo)花(hua)(hua)机(ji)(ji)设(she)(she)备(bei)(bei)(bei)操作工开(kai)机(ji)(ji)前应(ying)进行(xing)设(she)(she)备(bei)(bei)(bei)状态(tai)检查，存在小故障不影响(xiang)正(zheng)常(chang)开(kai)机(ji)(ji)生产(chan)。 ( X )3. 火(huo)花(hua)(hua)机(ji)(ji)设(she)(she)备(bei)(bei)(bei)出现紧急情况时应(ying)按下急停开(kai)关，立即通知设(she)(she)备(bei)(bei)(bei)维(wei)修(xiu)工进行(xing)处理。 ( √ )4. 火(huo)花(hua)(hua)机(ji)(ji)设(she)(she)备(bei)(bei)(bei)的(de)安全(quan)(quan)防护装置在任何情况下严禁(jin)拆卸、毁损、短接或挪作它 ( √ )5. 火(huo)花(hua)(hua)机(ji)(ji)设(she)(she)备(bei)(bei)(bei)外(wai)观要(yao)保持清洁，漆见本色铁见光(guang)。 ( √ )6. 火(huo)花(hua)(hua)机(ji)(ji)设(she)(she)备(bei)(bei)(bei)润(run)滑(hua)、油液(ye)加注(zhu)口有(you)相应(ying)标示(shi)，张贴(tie)油液(ye)加注(zhu)量(liang)和加注(zhu)的(de)品(pin)牌规格。 ( √ )7. 火(huo)花(hua)(hua)机(ji)(ji)设(she)(she)备(bei)(bei)(bei)加工工件完(wan)成后(hou)铁

火花机的(de)工作原理：电(dian)(dian)(dian)源提供(gong)电(dian)(dian)(dian)压(ya)(ya)(ya)给各用电(dian)(dian)(dian)元(yuan)件(jian)。同时(shi)通过(guo)(guo)其电(dian)(dian)(dian)压(ya)(ya)(ya)调整(zheng)器（内含高(gao)(gao)(gao)(gao)(gao)频(pin)(pin)振荡(dang)电(dian)(dian)(dian)路，用来产(chan)生高(gao)(gao)(gao)(gao)(gao)频(pin)(pin)电(dian)(dian)(dian)压(ya)(ya)(ya)）调整(zheng)其工作电(dian)(dian)(dian)压(ya)(ya)(ya)，并经(jing)高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)变压(ya)(ya)(ya)器变压(ya)(ya)(ya)后，提供(gong)给试(shi)验(yan)电(dian)(dian)(dian)极(ji)（链珠(zhu)）高(gao)(gao)(gao)(gao)(gao)频(pin)(pin)高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)。需要指出(chu)的(de)是(shi)试(shi)验(yan)电(dian)(dian)(dian)极(ji)处的(de)电(dian)(dian)(dian)压(ya)(ya)(ya)虽然很(hen)(hen)高(gao)(gao)(gao)(gao)(gao)，但(dan)电(dian)(dian)(dian)流却很(hen)(hen)小（一般(ban)在50mA以下(xia)）。当被测电(dian)(dian)(dian)线经(jing)过(guo)(guo)试(shi)验(yan)电(dian)(dian)(dian)极(ji)时(shi)：如(ru)果电(dian)(dian)(dian)线绝缘性良好，电(dian)(dian)(dian)线中会(hui)(hui)产(chan)生稳(wen)定的(de)感应电(dian)(dian)(dian)压(ya)(ya)(ya)，不存(cun)在电(dian)(dian)(dian)压(ya)(ya)(ya)差；但(dan)当绝缘层出(chu)现缺陷时(shi)（如(ru)：漏铜、有气孔、严重偏心等(deng)），高(gao)(gao)(gao)(gao)(gao)频(pin)(pin)高(gao)(gao)(gao)(gao)(gao)电(dian)(dian)(dian)压(ya)(ya)(ya)就(jiu)会(hui)(hui)对金属导体放电(dian)(dian)(dian)（这(zhei)(zhei)是(shi)高(gao)(gao)(gao)(gao)(gao)频(pin)(pin)高(gao)(gao)(gao)(gao)(gao)电(dian)(dian)(dian)压(ya)(ya)(ya)的(de)特性）。因电(dian)(dian)(dian)流很(hen)(hen)小，电(dian)(dian)(dian)压(ya)(ya)(ya)将(jiang)会(hui)(hui)极(ji)剧(ju)减小。产(chan)生电(dian)(dian)(dian)压(ya)(ya)(ya)差。这(zhei)(zhei)时(shi)击穿检(jian)测就(jiu)会(hui)(hui)将(jiang)其

电(dian)(dian)(dian)火(huo)(huo)(huo)花(hua)的(de)加(jia)工方式已经有一(yi)定的(de)历(li)史了，并不是(shi)最新的(de)工艺，但和锻(duan)打，冶金相(xiang)比电(dian)(dian)(dian)火(huo)(huo)(huo)花(hua)并不算(suan)古(gu)老，电(dian)(dian)(dian)火(huo)(huo)(huo)花(hua)加(jia)工就是(shi)利用电(dian)(dian)(dian)极(ji)与(yu)工件之间在通电(dian)(dian)(dian)的(de)时候产生火(huo)(huo)(huo)花(hua)（因(yin)为(wei)(wei)是(shi)正负(fu)极(ji)直接接触，产生短(duan)路），所产生的(de)瞬时间的(de)高温，去一(yi)层(ceng)一(yi)层(ceng)蚀(shi)除掉(diao)工件与(yu)电(dian)(dian)(dian)极(ji)接触的(de)表(biao)面，使电(dian)(dian)(dian)极(ji)周围(wei)的(de)材料(liao)不断减少的(de)原理。电(dian)(dian)(dian)火(huo)(huo)(huo)花(hua)这种加(jia)工工艺，通常适用于相(xiang)对硬度比较(jiao)高的(de)，并且材料(liao)必须具备导电(dian)(dian)(dian)性(xing)的(de)零件加(jia)工，一(yi)般的(de)电(dian)(dian)(dian)火(huo)(huo)(huo)花(hua)机因(yin)为(wei)(wei)电(dian)(dian)(dian)极(ji)要蚀(shi)掉(diao)一(yi)层(ceng)再下降一(yi)层(ceng)，方可与(yu)工件再次(ci)接近(jin)，也才可产生电(dian)(dian)(dian)火(huo)(huo)(huo)花(hua)，所以通常因(yin)为(wei)(wei)下降精度要求有些高，使用的(de)电(dian)(dian)(dian)火(huo)(huo)(huo)花(hua)机，基(ji)本上(shang)都是(shi)数控电(dian)(dian)(dian)火(huo)(huo)(huo)

目前，应用在机(ji)械制造行业(ye)的数(shu)控(kong)(kong)机(ji)床(chuang)大致可(ke)分(fen)(fen)为数(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)床(chuang)、数(shu)控(kong)(kong)加(jia)工(gong)(gong)中心(xin)、数(shu)控(kong)(kong)车(che)床(chuang)、数(shu)控(kong)(kong)磨床(chuang)、数(shu)控(kong)(kong)线(xian)切割(ge)机(ji)床(chuang)等，下(xia)面简(jian)要介绍数(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)床(chuang)和(he)加(jia)工(gong)(gong)中心(xin)的分(fen)(fen)类。一(yi)、数(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)床(chuang)的类型数(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)床(chuang)可(ke)加(jia)工(gong)(gong)各种具(ju)有平(ping)面轮廓和(he)立体曲面的零件。数(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)床(chuang)还可(ke)以进行钻、扩(kuo)、铰、镗孔(kong)和(he)攻螺纹等加(jia)工(gong)(gong)。数(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)床(chuang)分(fen)(fen)为立式(shi)数(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)床(chuang)（图(tu) 3-1）和(he)卧式(shi)数(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)床(chuang)（图(tu) 3-2）两种。数(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)床(chuang)有 2 轴(zhou)联(lian)(lian)动、3 轴(zhou)联(lian)(lian)动、4 轴(zhou)联(lian)(lian)动和(he)5 轴(zhou)联(lian)(lian)动等不同档次，现在应用最广泛的是 3 轴(zhou)联(lian)(lian)动的数(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)床(chuang)，4 轴(zhou)联(lian)(lian)动和(he) 5 轴(zhou)联(lian)(lian)动的数(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)床(chuang)一(yi)般都应用于军工(gong)(gong)、汽(qi)车(che)和(he)航天工(gong)(gong)业(ye)。二、加(jia)工(gong)(gong)中心(xin)的

大(da)家(jia)对五(wu)轴(zhou)(zhou)(zhou)(zhou)加(jia)(jia)工(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)(xin)并不陌(mo)生吧(ba)，五(wu)轴(zhou)(zhou)(zhou)(zhou)加(jia)(jia)工(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)(xin)也(ye)(ye)可以叫做五(wu)轴(zhou)(zhou)(zhou)(zhou)联动加(jia)(jia)工(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)(xin)，五(wu)轴(zhou)(zhou)(zhou)(zhou)加(jia)(jia)工(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)(xin)是一(yi)种技术含量很高(gao)的(de)(de)设备，而(er)且它(ta)的(de)(de)精(jing)密度极高(gao)，不是一(yi)般(ban)的(de)(de)数控(kong)机床能够比(bi)拟(ni)的(de)(de)，五(wu)轴(zhou)(zhou)(zhou)(zhou)加(jia)(jia)工(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)(xin)专(zhuan)门用于加(jia)(jia)工(gong)(gong)(gong)复(fu)杂曲(qu)面类(lei)工(gong)(gong)(gong)件(jian)，比(bi)如：飞(fei)机的(de)(de)涡轮(lun)发动机的(de)(de)叶片、叶轮(lun)、船(chuan)用螺旋(xuan)桨(jiang)等复(fu)杂曲(qu)面类(lei)工(gong)(gong)(gong)件(jian)，也(ye)(ye)是解决这些复(fu)杂曲(qu)面类(lei)工(gong)(gong)(gong)件(jian)的(de)(de)唯一(yi)手段。五(wu)轴(zhou)(zhou)(zhou)(zhou)加(jia)(jia)工(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)(xin)系统对一(yi)个国家(jia)的(de)(de)核心(xin)(xin)(xin)(xin)行(xing)业有(you)着(zhe)巨大(da)的(de)(de)影响力，比(bi)如国防军事、科研、精(jing)密机械、航空、航天、高(gao)精(jing)密医疗设备等国家(jia)核心(xin)(xin)(xin)(xin)行(xing)业有(you)着(zhe)举足轻重的(de)(de)影响力。下(xia)面就(jiu)让我们一(yi)起来了解一(yi)下(xia)五(wu)轴(zhou)(zhou)(zhou)(zhou)加(jia)(jia)工(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)(xin)类(lei)型吧(ba)。五(wu)轴(zhou)(zhou)(zhou)(zhou)加(jia)(jia)工(gong)(gong)(gong)

卧(wo)(wo)(wo)式(shi)(shi)(shi)加(jia)(jia)工(gong)中心(xin)机(ji)(ji)(ji)(ji)床功能丰富，操作人员可(ke)以(yi)调整编程顺序，在(zai)不同的(de)(de)订单和(he)产品之间快(kuai)速(su)(su)切换。使用卧(wo)(wo)(wo)式(shi)(shi)(shi)加(jia)(jia)工(gong)中心(xin)机(ji)(ji)(ji)(ji)床可(ke)为制造零件(jian)工(gong)艺提(ti)供更多选项和(he)灵活(huo)性，几乎可(ke)以(yi)处理任(ren)何项目(mu)。机(ji)(ji)(ji)(ji)床操作员将基材(cai)快(kuai)速(su)(su)送入(ru)卧(wo)(wo)(wo)式(shi)(shi)(shi)加(jia)(jia)工(gong)中心(xin)机(ji)(ji)(ji)(ji)床加(jia)(jia)工(gong)区(qu)，用更轻(qing)的(de)(de)切削代(dai)替深铣刀，促进(jin)效率(lv)和(he)质(zhi)量(liang)的(de)(de)整体(ti)提(ti)高(gao)。保持始(shi)终如一的(de)(de)快(kuai)速(su)(su)进(jin)给速(su)(su)度(du)还可(ke)以(yi)使工(gong)件(jian)和(he)切削刀具持续(xu)运(yun)动。卧(wo)(wo)(wo)式(shi)(shi)(shi)加(jia)(jia)工(gong)中心(xin)机(ji)(ji)(ji)(ji)床卧(wo)(wo)(wo)式(shi)(shi)(shi)加(jia)(jia)工(gong)中心(xin)机(ji)(ji)(ji)(ji)床机(ji)(ji)(ji)(ji)架结构是利用有(you)限(xian)元分(fen)析系(xi)统进(jin)行有(you)限(xian)元分(fen)析，保证高(gao)速(su)(su)高(gao)精度(du)加(jia)(jia)工(gong)下的(de)(de)高(gao)稳定性。加(jia)(jia)载模拟下进(jin)行变形测试，确(que)保刚性，并(bing)具有(you)优异的(de)(de)抗(kang)弯曲性。卧(wo)(wo)(wo)式(shi)(shi)(shi)加(jia)(jia)工(gong)中心(xin)机(ji)(ji)(ji)(ji)床

加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)有很多种，龙门加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)，立式(shi)(shi)(shi)(shi)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)，卧(wo)(wo)(wo)(wo)(wo)(wo)式(shi)(shi)(shi)(shi)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)，常见的(de)(de)是我们的(de)(de)立式(shi)(shi)(shi)(shi)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)，这应(ying)该(gai)大(da)家都(dou)已经知道了，而(er)卧(wo)(wo)(wo)(wo)(wo)(wo)式(shi)(shi)(shi)(shi)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)很少不(bu)(bu)太清楚(chu)，今天我们就(jiu)来讨论一下(xia)立式(shi)(shi)(shi)(shi)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)和卧(wo)(wo)(wo)(wo)(wo)(wo)式(shi)(shi)(shi)(shi)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)的(de)(de)区别(bie)居中(zhong)(zhong)(zhong)。立式(shi)(shi)(shi)(shi)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)与卧(wo)(wo)(wo)(wo)(wo)(wo)式(shi)(shi)(shi)(shi)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)结构(gou)(gou)(gou)(gou)不(bu)(bu)同。立式(shi)(shi)(shi)(shi)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)与卧(wo)(wo)(wo)(wo)(wo)(wo)式(shi)(shi)(shi)(shi)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)的(de)(de)主要区别(bie)是Z轴结构(gou)(gou)(gou)(gou)不(bu)(bu)同，立式(shi)(shi)(shi)(shi)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)Z轴垂(chui)直向(xiang)(xiang)下(xia)运动完(wan)成(cheng)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)，卧(wo)(wo)(wo)(wo)(wo)(wo)式(shi)(shi)(shi)(shi)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)Z轴水平(ping)向(xiang)(xiang)下(xia)运动完(wan)成(cheng)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)，这是立式(shi)(shi)(shi)(shi)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)和卧(wo)(wo)(wo)(wo)(wo)(wo)式(shi)(shi)(shi)(shi)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)区别(bie)。立式(shi)(shi)(shi)(shi)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)和卧(wo)(wo)(wo)(wo)(wo)(wo)式(shi)(shi)(shi)(shi)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)的(de)(de)工(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)台不(bu)(bu)同。立式(shi)(shi)(shi)(shi)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)工(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)台通常是十字滑块(kuai)T型槽工(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)台的(de)(de)结构(gou)(gou)(gou)(gou)，有两套(tao)垂(chui)直运动机(ji)构(gou)(gou)(gou)(gou)

卧式加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)是(shi)指主(zhu)轴(zhou)轴(zhou)线与工(gong)(gong)(gong)(gong)(gong)作(zuo)台(tai)(tai)平行设置(zhi)的(de)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)机床。可加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)较大零(ling)件(jian)，又可分度回转加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)，最(zui)适合于(yu)零(ling)件(jian)多工(gong)(gong)(gong)(gong)(gong)作(zuo)面的(de)铣、钻(zuan)、镗、铰、攻(gong)丝、两维、三维曲(qu)面等多工(gong)(gong)(gong)(gong)(gong)序(xu)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)，具有(you)在(zai)一次装夹(jia)中(zhong)完成箱(xiang)体孔系和(he)(he)平面加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)的(de)良好性(xing)能，还特别适合于(yu)箱(xiang)体孔的(de)调头镗孔加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)，广(guang)泛(fan)应用于(yu)汽车(che)、内燃机、航空航天、家(jia)电、通用机械等行业。卧式加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)卧式加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)按立柱(zhu)是(shi)否(fou)运动分为固定立柱(zhu)型(xing)(xing)和(he)(he)移动立柱(zhu)型(xing)(xing)。一、固定立柱(zhu)型(xing)(xing)1、工(gong)(gong)(gong)(gong)(gong)作(zuo)台(tai)(tai)十字运动，工(gong)(gong)(gong)(gong)(gong)作(zuo)台(tai)(tai)作(zuo)X、Z向运动，主(zhu)轴(zhou)箱(xiang)作(zuo)Y向运动，主(zhu)轴(zhou)箱(xiang)在(zai)立柱(zhu)上有(you)正(zheng)挂、侧挂两种(zhong)形式。适用于(yu)中(zhong)型(xing)(xing)复杂零(ling)件(jian)的(de)镗、铣