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功(gong)率密度(du)是CNC火(huo)花紧(jin)(jin)固(gu)件(jian)功(gong)率密度(du)是CNC火(huo)花紧(jin)(jin)固(gu)件(jian)的(de)一个重要分项(xiang)，虽然在(zai)使(shi)用(yong)者(zhe)购买时能(neng)尽可能(neng)挑选(xuan)出精确(que)(que)度(du)高数(shu)值(zhi)小(xiao)的(de)紧(jin)(jin)固(gu)件(jian)，但是随着电(dian)(dian)子(zi)设(she)备启(qi)用(yong)天数(shu)越长，电(dian)(dian)子(zi)设(she)备破(po)损(sun)越吓(he)人，导致紧(jin)(jin)固(gu)件(jian)的(de)功(gong)能(neng)定(ding)位(wei)数(shu)值(zhi)愈(yu)来愈(yu)大，这对(dui)(dui)研(yan)磨和生(sheng)产(chan)(chan)的(de)配件(jian)有著毁(hui)灭性的(de)负面影响，选(xuan)用(yong)以上方式对(dui)(dui)紧(jin)(jin)固(gu)件(jian)各单位(wei)向量(liang)的(de)逆向局限性、功(gong)率密度(du)展开精确(que)(que)量(liang)测和补偿金，能(neng)较好地增大或消解逆向局限性对(dui)(dui)紧(jin)(jin)固(gu)件(jian)精确(que)(que)度(du)的(de)有利负面影响，提高紧(jin)(jin)固(gu)件(jian)的(de)功(gong)率密度(du)，使(shi)紧(jin)(jin)固(gu)件(jian)处在(zai)最差精确(que)(que)度(du)状况，进而确(que)(que)保配件(jian)的(de)研(yan)磨产(chan)(chan)品质(zhi)量(liang)。如(ru)果测到CNC火(huo)花紧(jin)(jin)固(gu)件(jian)的(de)功(gong)能(neng)定(ding)位(wei)数(shu)值(zhi)远远超过数(shu)值(zhi)

电火花加工(gong)(gong)(gong)方(fang)(fang)法(fa)(fa)由前苏(su)联的(de)(de)(de)(de)(de)(de)学(xue)者拉(la)扎连(lian)(lian)柯夫妇于1943年(nian)发明的(de)(de)(de)(de)(de)(de)。拉(la)扎连(lian)(lian)柯生(sheng)于1910年(nian)。1929年(nian)起(qi)他(ta)在顿(dun)巴斯冶(ye)金工(gong)(gong)(gong)厂当(dang)锻(duan)工(gong)(gong)(gong)，1931年(nian)至1936年(nian)是(shi)莫斯科(ke)国立罗蒙诺(nuo)索夫大学(xue)的(de)(de)(de)(de)(de)(de)学(xue)生(sheng) 。1935年(nian)起(qi)就在全苏(su)列宁电工(gong)(gong)(gong)技术研(yan)究(jiu)所开始了(le)研(yan)究(jiu)工(gong)(gong)(gong)作，毕业论文的(de)(de)(de)(de)(de)(de)题目(mu)是(shi)研(yan)究(jiu)引起(qi)触点材料破坏的(de)(de)(de)(de)(de)(de)原因及寻找消除方(fang)(fang)法(fa)(fa)。这是(shi)他(ta)人(ren)生(sheng)道(dao)路的(de)(de)(de)(de)(de)(de)转折点 。当(dang)时，随着电气化和自动化的(de)(de)(de)(de)(de)(de)发 展(zhan)，触点材料被电腐蚀而(er)破坏的(de)(de)(de)(de)(de)(de)现(xian)象日趋严(yan)重，为(wei)此，人(ren)们千(qian)方(fang)(fang)百计(ji)地(di)与(yu)这种有害(hai)现(xian)象作斗(dou)争。年(nian)轻的(de)(de)(de)(de)(de)(de)拉(la)扎连(lian)(lian)柯以极大的(de)(de)(de)(de)(de)(de)勇气和锐(rui)敏的(de)(de)(de)(de)(de)(de)洞察力，打破常规，克服了(le)学(xue)者们认(ren)为(wei)电腐蚀是(shi)有害(hai)现(xian)象的(de)(de)(de)(de)(de)(de)传统习惯(guan)思

一(yi)、判断题：（共(gong)10题，每题2分，共(gong)计20分）1. 火(huo)(huo)花(hua)机(ji)(ji)(ji)设(she)(she)(she)备(bei)操作(zuo)(zuo)人员(yuan)安全保护用品未佩带齐全，严禁操作(zuo)(zuo)设(she)(she)(she)备(bei)。 ( √ )2. 火(huo)(huo)花(hua)机(ji)(ji)(ji)设(she)(she)(she)备(bei)操作(zuo)(zuo)工(gong)(gong)开(kai)机(ji)(ji)(ji)前应进行(xing)设(she)(she)(she)备(bei)状态(tai)检查，存在小故(gu)障不影响(xiang)正常开(kai)机(ji)(ji)(ji)生产。 ( X )3. 火(huo)(huo)花(hua)机(ji)(ji)(ji)设(she)(she)(she)备(bei)出现紧急(ji)情况时应按下急(ji)停开(kai)关，立即通知设(she)(she)(she)备(bei)维修工(gong)(gong)进行(xing)处理。 ( √ )4. 火(huo)(huo)花(hua)机(ji)(ji)(ji)设(she)(she)(she)备(bei)的(de)安全防护装置在任何情况下严禁拆卸(xie)、毁损、短(duan)接或(huo)挪作(zuo)(zuo)它(ta) ( √ )5. 火(huo)(huo)花(hua)机(ji)(ji)(ji)设(she)(she)(she)备(bei)外观要保持(chi)清洁，漆见(jian)本(ben)色铁见(jian)光(guang)。 ( √ )6. 火(huo)(huo)花(hua)机(ji)(ji)(ji)设(she)(she)(she)备(bei)润滑、油液加(jia)注(zhu)口有相应标示，张贴油液加(jia)注(zhu)量和加(jia)注(zhu)的(de)品牌规格。 ( √ )7. 火(huo)(huo)花(hua)机(ji)(ji)(ji)设(she)(she)(she)备(bei)加(jia)工(gong)(gong)工(gong)(gong)件(jian)完(wan)成后(hou)铁

火花机(ji)的(de)工作原(yuan)理：电(dian)(dian)(dian)(dian)源提供(gong)电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)给(ji)各用(yong)电(dian)(dian)(dian)(dian)元件。同时(shi)(shi)通过(guo)其(qi)电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)调整器（内含高(gao)(gao)(gao)(gao)频(pin)(pin)(pin)振荡电(dian)(dian)(dian)(dian)路，用(yong)来产生高(gao)(gao)(gao)(gao)频(pin)(pin)(pin)电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)）调整其(qi)工作电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)，并(bing)经(jing)(jing)高(gao)(gao)(gao)(gao)压(ya)(ya)(ya)(ya)(ya)变压(ya)(ya)(ya)(ya)(ya)器变压(ya)(ya)(ya)(ya)(ya)后，提供(gong)给(ji)试(shi)验(yan)电(dian)(dian)(dian)(dian)极（链珠）高(gao)(gao)(gao)(gao)频(pin)(pin)(pin)高(gao)(gao)(gao)(gao)压(ya)(ya)(ya)(ya)(ya)。需(xu)要指出(chu)(chu)的(de)是试(shi)验(yan)电(dian)(dian)(dian)(dian)极处的(de)电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)虽(sui)然(ran)很(hen)高(gao)(gao)(gao)(gao)，但(dan)电(dian)(dian)(dian)(dian)流却很(hen)小(xiao)(xiao)（一般在50mA以下(xia)）。当被测电(dian)(dian)(dian)(dian)线经(jing)(jing)过(guo)试(shi)验(yan)电(dian)(dian)(dian)(dian)极时(shi)(shi)：如(ru)果(guo)电(dian)(dian)(dian)(dian)线绝缘(yuan)性良好，电(dian)(dian)(dian)(dian)线中会产生稳定(ding)的(de)感应(ying)电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)，不存在电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)差(cha)；但(dan)当绝缘(yuan)层出(chu)(chu)现缺陷时(shi)(shi)（如(ru)：漏铜(tong)、有气孔、严(yan)重(zhong)偏心等），高(gao)(gao)(gao)(gao)频(pin)(pin)(pin)高(gao)(gao)(gao)(gao)电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)就(jiu)会对金属导(dao)体放电(dian)(dian)(dian)(dian)（这是高(gao)(gao)(gao)(gao)频(pin)(pin)(pin)高(gao)(gao)(gao)(gao)电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)的(de)特性）。因电(dian)(dian)(dian)(dian)流很(hen)小(xiao)(xiao)，电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)将会极剧减小(xiao)(xiao)。产生电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)差(cha)。这时(shi)(shi)击穿(chuan)检测就(jiu)会将其(qi)

电(dian)(dian)(dian)火(huo)(huo)花(hua)(hua)的(de)(de)加工(gong)方式已经(jing)有(you)一(yi)(yi)定(ding)的(de)(de)历史(shi)了，并(bing)不是(shi)最(zui)新的(de)(de)工(gong)艺，但和锻打，冶金相比电(dian)(dian)(dian)火(huo)(huo)花(hua)(hua)并(bing)不算古老(lao)，电(dian)(dian)(dian)火(huo)(huo)花(hua)(hua)加工(gong)就是(shi)利用(yong)(yong)电(dian)(dian)(dian)极(ji)与(yu)(yu)工(gong)件(jian)之间在通(tong)电(dian)(dian)(dian)的(de)(de)时(shi)候产生火(huo)(huo)花(hua)(hua)（因为(wei)(wei)是(shi)正(zheng)负极(ji)直(zhi)接接触，产生短路），所(suo)产生的(de)(de)瞬时(shi)间的(de)(de)高(gao)温，去一(yi)(yi)层(ceng)一(yi)(yi)层(ceng)蚀(shi)除掉工(gong)件(jian)与(yu)(yu)电(dian)(dian)(dian)极(ji)接触的(de)(de)表面，使(shi)(shi)电(dian)(dian)(dian)极(ji)周围的(de)(de)材料不断减(jian)少的(de)(de)原理。电(dian)(dian)(dian)火(huo)(huo)花(hua)(hua)这种加工(gong)工(gong)艺，通(tong)常适用(yong)(yong)于相对硬(ying)度比较(jiao)高(gao)的(de)(de)，并(bing)且材料必须具备导电(dian)(dian)(dian)性的(de)(de)零件(jian)加工(gong)，一(yi)(yi)般的(de)(de)电(dian)(dian)(dian)火(huo)(huo)花(hua)(hua)机因为(wei)(wei)电(dian)(dian)(dian)极(ji)要蚀(shi)掉一(yi)(yi)层(ceng)再下降(jiang)一(yi)(yi)层(ceng)，方可(ke)(ke)与(yu)(yu)工(gong)件(jian)再次(ci)接近，也才可(ke)(ke)产生电(dian)(dian)(dian)火(huo)(huo)花(hua)(hua)，所(suo)以(yi)通(tong)常因为(wei)(wei)下降(jiang)精度要求有(you)些高(gao)，使(shi)(shi)用(yong)(yong)的(de)(de)电(dian)(dian)(dian)火(huo)(huo)花(hua)(hua)机，基本上都(dou)是(shi)数控电(dian)(dian)(dian)火(huo)(huo)

目前，应(ying)用在(zai)机械制造(zao)行业的(de)(de)(de)(de)数(shu)(shu)(shu)控(kong)(kong)机床(chuang)(chuang)(chuang)(chuang)(chuang)大致可分(fen)为(wei)数(shu)(shu)(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)(xian)床(chuang)(chuang)(chuang)(chuang)(chuang)、数(shu)(shu)(shu)控(kong)(kong)加(jia)工(gong)(gong)中(zhong)(zhong)心、数(shu)(shu)(shu)控(kong)(kong)车(che)床(chuang)(chuang)(chuang)(chuang)(chuang)、数(shu)(shu)(shu)控(kong)(kong)磨床(chuang)(chuang)(chuang)(chuang)(chuang)、数(shu)(shu)(shu)控(kong)(kong)线切割机床(chuang)(chuang)(chuang)(chuang)(chuang)等，下面简(jian)要介(jie)绍数(shu)(shu)(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)(xian)床(chuang)(chuang)(chuang)(chuang)(chuang)和(he)加(jia)工(gong)(gong)中(zhong)(zhong)心的(de)(de)(de)(de)分(fen)类。一、数(shu)(shu)(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)(xian)床(chuang)(chuang)(chuang)(chuang)(chuang)的(de)(de)(de)(de)类型数(shu)(shu)(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)(xian)床(chuang)(chuang)(chuang)(chuang)(chuang)可加(jia)工(gong)(gong)各种(zhong)具(ju)有(you)平面轮(lun)廓和(he)立体曲面的(de)(de)(de)(de)零件。数(shu)(shu)(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)(xian)床(chuang)(chuang)(chuang)(chuang)(chuang)还(hai)可以进(jin)行钻、扩、铰、镗孔和(he)攻螺纹等加(jia)工(gong)(gong)。数(shu)(shu)(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)(xian)床(chuang)(chuang)(chuang)(chuang)(chuang)分(fen)为(wei)立式数(shu)(shu)(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)(xian)床(chuang)(chuang)(chuang)(chuang)(chuang)（图(tu) 3-1）和(he)卧式数(shu)(shu)(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)(xian)床(chuang)(chuang)(chuang)(chuang)(chuang)（图(tu) 3-2）两种(zhong)。数(shu)(shu)(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)(xian)床(chuang)(chuang)(chuang)(chuang)(chuang)有(you) 2 轴(zhou)(zhou)联(lian)动(dong)(dong)、3 轴(zhou)(zhou)联(lian)动(dong)(dong)、4 轴(zhou)(zhou)联(lian)动(dong)(dong)和(he)5 轴(zhou)(zhou)联(lian)动(dong)(dong)等不同档次(ci)，现在(zai)应(ying)用最(zui)广泛的(de)(de)(de)(de)是(shi) 3 轴(zhou)(zhou)联(lian)动(dong)(dong)的(de)(de)(de)(de)数(shu)(shu)(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)(xian)床(chuang)(chuang)(chuang)(chuang)(chuang)，4 轴(zhou)(zhou)联(lian)动(dong)(dong)和(he) 5 轴(zhou)(zhou)联(lian)动(dong)(dong)的(de)(de)(de)(de)数(shu)(shu)(shu)控(kong)(kong)铣(xian)(xian)(xian)(xian)(xian)床(chuang)(chuang)(chuang)(chuang)(chuang)一般都应(ying)用于军工(gong)(gong)、汽车(che)和(he)航天工(gong)(gong)业。二、加(jia)工(gong)(gong)中(zhong)(zhong)心的(de)(de)(de)(de)

大家(jia)对(dui)五(wu)轴(zhou)(zhou)(zhou)加(jia)工(gong)中(zhong)心(xin)(xin)并不陌生吧，五(wu)轴(zhou)(zhou)(zhou)加(jia)工(gong)中(zhong)心(xin)(xin)也可(ke)以叫做五(wu)轴(zhou)(zhou)(zhou)联动加(jia)工(gong)中(zhong)心(xin)(xin)，五(wu)轴(zhou)(zhou)(zhou)加(jia)工(gong)中(zhong)心(xin)(xin)是(shi)一种技术(shu)含(han)量(liang)很高的(de)(de)设备，而且它的(de)(de)精(jing)密(mi)度极高，不是(shi)一般的(de)(de)数(shu)控机床能够(gou)比(bi)拟的(de)(de)，五(wu)轴(zhou)(zhou)(zhou)加(jia)工(gong)中(zhong)心(xin)(xin)专门用于(yu)加(jia)工(gong)复(fu)杂曲面(mian)类(lei)工(gong)件，比(bi)如：飞机的(de)(de)涡轮(lun)发动机的(de)(de)叶(ye)片(pian)、叶(ye)轮(lun)、船用螺旋桨等(deng)复(fu)杂曲面(mian)类(lei)工(gong)件，也是(shi)解(jie)决这些复(fu)杂曲面(mian)类(lei)工(gong)件的(de)(de)唯一手(shou)段。五(wu)轴(zhou)(zhou)(zhou)加(jia)工(gong)中(zhong)心(xin)(xin)系统对(dui)一个国(guo)(guo)家(jia)的(de)(de)核心(xin)(xin)行(xing)业有着(zhe)巨大的(de)(de)影(ying)(ying)响力，比(bi)如国(guo)(guo)防军事(shi)、科研、精(jing)密(mi)机械、航空(kong)、航天、高精(jing)密(mi)医疗(liao)设备等(deng)国(guo)(guo)家(jia)核心(xin)(xin)行(xing)业有着(zhe)举足轻重的(de)(de)影(ying)(ying)响力。下(xia)面(mian)就(jiu)让我们一起来了解(jie)一下(xia)五(wu)轴(zhou)(zhou)(zhou)加(jia)工(gong)中(zhong)心(xin)(xin)类(lei)型吧。五(wu)轴(zhou)(zhou)(zhou)加(jia)工(gong)

卧(wo)(wo)式(shi)(shi)加(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong)(zhong)(zhong)心机(ji)床(chuang)功能丰(feng)富，操(cao)(cao)作人员可(ke)以(yi)(yi)调整编程顺序，在不同的(de)(de)(de)订单和(he)产(chan)品之间(jian)快速切(qie)换。使用卧(wo)(wo)式(shi)(shi)加(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong)(zhong)(zhong)心机(ji)床(chuang)可(ke)为制造零件工(gong)(gong)(gong)艺提供更(geng)多(duo)选项和(he)灵活(huo)性(xing)，几乎(hu)可(ke)以(yi)(yi)处理任何项目。机(ji)床(chuang)操(cao)(cao)作员将基材快速送入(ru)卧(wo)(wo)式(shi)(shi)加(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong)(zhong)(zhong)心机(ji)床(chuang)加(jia)(jia)(jia)工(gong)(gong)(gong)区(qu)，用更(geng)轻(qing)的(de)(de)(de)切(qie)削代替深铣刀，促进(jin)效率和(he)质量的(de)(de)(de)整体提高。保(bao)持始终如(ru)一(yi)的(de)(de)(de)快速进(jin)给(ji)速度(du)还(hai)可(ke)以(yi)(yi)使工(gong)(gong)(gong)件和(he)切(qie)削刀具持续运动。卧(wo)(wo)式(shi)(shi)加(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong)(zhong)(zhong)心机(ji)床(chuang)卧(wo)(wo)式(shi)(shi)加(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong)(zhong)(zhong)心机(ji)床(chuang)机(ji)架结(jie)构是(shi)利(li)用有限元(yuan)分析系统(tong)进(jin)行有限元(yuan)分析，保(bao)证高速高精(jing)度(du)加(jia)(jia)(jia)工(gong)(gong)(gong)下(xia)的(de)(de)(de)高稳(wen)定性(xing)。加(jia)(jia)(jia)载模拟(ni)下(xia)进(jin)行变形测试，确保(bao)刚性(xing)，并(bing)具有优异的(de)(de)(de)抗弯曲性(xing)。卧(wo)(wo)式(shi)(shi)加(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong)(zhong)(zhong)心机(ji)床(chuang)

加(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)有(you)很(hen)多种，龙门加(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)，立(li)式(shi)(shi)加(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)，卧式(shi)(shi)加(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)，常见的(de)(de)是我们的(de)(de)立(li)式(shi)(shi)加(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)，这(zhei)应该大家(jia)都已经知道了，而(er)卧式(shi)(shi)加(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)很(hen)少不(bu)太(tai)清楚，今(jin)天(tian)我们就(jiu)来(lai)讨论一下(xia)(xia)立(li)式(shi)(shi)加(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)和(he)(he)卧式(shi)(shi)加(jia)工(gong)(gong)(gong)(gong)(gong)的(de)(de)区别居中(zhong)。立(li)式(shi)(shi)加(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)与卧式(shi)(shi)加(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)结(jie)构不(bu)同。立(li)式(shi)(shi)加(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)与卧式(shi)(shi)加(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)的(de)(de)主要区别是Z轴结(jie)构不(bu)同，立(li)式(shi)(shi)加(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)Z轴垂直向(xiang)下(xia)(xia)运动(dong)完成加(jia)工(gong)(gong)(gong)(gong)(gong)，卧式(shi)(shi)加(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)Z轴水平向(xiang)下(xia)(xia)运动(dong)完成加(jia)工(gong)(gong)(gong)(gong)(gong)，这(zhei)是立(li)式(shi)(shi)加(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)和(he)(he)卧式(shi)(shi)加(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)区别。立(li)式(shi)(shi)加(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)和(he)(he)卧式(shi)(shi)加(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)的(de)(de)工(gong)(gong)(gong)(gong)(gong)作台不(bu)同。立(li)式(shi)(shi)加(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)心(xin)(xin)(xin)工(gong)(gong)(gong)(gong)(gong)作台通常是十字滑块T型(xing)槽工(gong)(gong)(gong)(gong)(gong)作台的(de)(de)结(jie)构，有(you)两套垂直运动(dong)机构

卧(wo)式加工(gong)(gong)(gong)(gong)中(zhong)(zhong)心是指主轴(zhou)轴(zhou)线与工(gong)(gong)(gong)(gong)作台(tai)(tai)平行(xing)设置的加工(gong)(gong)(gong)(gong)中(zhong)(zhong)心机床。可(ke)加工(gong)(gong)(gong)(gong)较大零(ling)件，又可(ke)分度回转加工(gong)(gong)(gong)(gong)，最适合(he)于(yu)零(ling)件多工(gong)(gong)(gong)(gong)作面的铣(xian)、钻、镗、铰、攻丝、两维、三(san)维曲面等多工(gong)(gong)(gong)(gong)序加工(gong)(gong)(gong)(gong)，具有在(zai)一次装夹中(zhong)(zhong)完成箱(xiang)体孔系和(he)平面加工(gong)(gong)(gong)(gong)的良(liang)好(hao)性(xing)能，还特别适合(he)于(yu)箱(xiang)体孔的调头镗孔加工(gong)(gong)(gong)(gong)，广泛应用(yong)(yong)于(yu)汽车(che)、内燃(ran)机、航空航天、家电、通用(yong)(yong)机械等行(xing)业。卧(wo)式加工(gong)(gong)(gong)(gong)中(zhong)(zhong)心卧(wo)式加工(gong)(gong)(gong)(gong)中(zhong)(zhong)心按(an)立柱(zhu)(zhu)(zhu)是否运(yun)动分为固定(ding)立柱(zhu)(zhu)(zhu)型(xing)(xing)和(he)移(yi)动立柱(zhu)(zhu)(zhu)型(xing)(xing)。一、固定(ding)立柱(zhu)(zhu)(zhu)型(xing)(xing)1、工(gong)(gong)(gong)(gong)作台(tai)(tai)十字运(yun)动，工(gong)(gong)(gong)(gong)作台(tai)(tai)作X、Z向运(yun)动，主轴(zhou)箱(xiang)作Y向运(yun)动，主轴(zhou)箱(xiang)在(zai)立柱(zhu)(zhu)(zhu)上(shang)有正挂、侧挂两种形式。适用(yong)(yong)于(yu)中(zhong)(zhong)型(xing)(xing)复(fu)杂(za)零(ling)件的镗、铣(xian)