数控机床是一种高精度、高柔性、高效率的自动化机床，由于其投资比普通的机床高得多，因此降低数控机床的故障率、缩短故障修复时间，对提高机床利用率具有十分重要的意义。钛浩机械是以回转顶尖、丝杠、轴加工、数控车床加工、刀柄刀杆、夹头接杆为公司的主打产品！目前，数控机床的故障诊断一直是困扰操作、维修人员的难题。由于数控机床的安全性和工作可靠性会对生产单位的效益产生直接的影响，因此对数控机床出现的故障进行及时的诊断十分重要。有哪些常用数控车床故障诊断的方式数控车床出现故障后，我们要从主机和电🐠气两方面进行分析，先判🎶断出到底是主机故障还是电气故障，再深入分析、检查，找出故障点，Z后予以排除。

       一、服务(wu)器(qi)(qi)(qi)(qi)系(xi)统(tong)出(chu)(chu)(chu)(chu)(chu)现(xi🦄an)(xian)问(wen)题(ti)的(de)(de)(de)(de)(de)(de)检(jian)(jian)(jian)验(yan)(yan)(yan)(yan)(yan)报(bao)(bao)(bao)告(gao)(gao)(gao)(gao)(gao)(gao)相对(dui)(dui) 普(pu)通(tong)的(de)(de)(de)(de)(de)(de)服务(wu)器(qi)(qi)(qi)(qi)系(xi)统(tong)出(chu)(chu)(chu)(chu)(chu)现(xian)(xian)问(wen)题(ti)，检(jian)(jian)(jian)验(yan)(yan)(yan)(yan)(yan)报(bao)(bao)(bao)告(gao)(gao)(gao)(gao)(gao)(gao)的(de)(de)(de)(de)(de)(de)形式(shi)较多(duo)，如(ru)借助(zhu)最新测试做(zuo)(zuo)法策略的(de)(de)(de)(de)(de)(de)“目前(qian)检(jian)(jian)(jian)验(yan)(yan)(yan)(yan)(yan)报(bao)(bao)(bao)告(gao)(gao)(gao)(gao)(gao)(gao)枝(zhi)术(shu)”和(he)传统(tong)与中国现(xian)(xian)今(jin)的(de)(de)(de)(de)(de)(de)的(de)(de)(de)(de)(de)(de)“很(hen)用(yong)(yong)途(tu)性(xing)(xing)强(qiang)检(jian)(jian)(jian)验(yan)(yan)(yan)(yan)(yan)报(bao)(bao)(bao)告(gao)(gao)(gao)(gao)(gao)(gao)枝(zhi)术(shu)”等。1、很(hen)用(yong)(yong)途(tu)性(xing)(xing)强(qiang)检(jian)(jian)(jian)验(yan)(yan)(yan)(yan)(yan)报(bao)(bao)(bao)告(gao)(gao)(gao)(gao)(gao)(gao)枝(zhi)术(shu)此检(jian)(jian)(jian)验(yan)(yan)(yan)(yan)(yan)报(bao)(bao)(bao)告(gao)(gao)(gao)(gao)(gao)(gao)是由保(bao)养(yang)正(zheng)(zheng)常(chang)运行(xing)人员实现(xian)(xian)你的(de)(de)(de)(de)(de)(de)的(de)(de)(de)(de)(de)(de)感(gan)觉器(qi)(qi)(qi)(qi)管和(he)丰富经(jing)验(yan)(yan)(yan)(yan)(yan)多(duo)数(shu)控(kong)(kong)数(shu)控(kong)(kong)磨床(chuang)的(de)(de)(de)(de)(de)(de)出(chu)(chu)(chu)(chu)(chu)现(xian)(xian)问(wen)题(ti)来(lai)(lai)做(zuo)(zuo)出(chu)(chu)(chu)(chu)(chu)检(jian)(jian)(jian)验(yan)(yan)(yan)(yan)(yan)报(bao)(bao)(bao)告(gao)(gao)(gao)(gao)(gao)(gao)。灵活运用(yong)(yong)很(hen)用(yong)(yong)途(tu)性(xing)(xing)强(qiang)检(jian)(jian)(jian)验(yan)(yan)(yan)(yan)(yan)报(bao)(bao)(bao)告(gao)(gao)(gao)(gao)(gao)(gao)枝(zhi)术(shu)的(de)(de)(de)(de)(de)(de)检(jian)(jian)(jian)验(yan)(yan)(yan)(yan)(yan)报(bao)(bao)(bao)告(gao)(gao)(gao)(gao)(gao)(gao)的(de)(de)(de)(de)(de)(de)时候因出(chu)(chu)(chu)(chu)(chu)现(xian)(xian)问(wen)题(ti)类型、而异(yi)，种种形式(shi)无前(qian)后(hou)之分，可(ke)(ke)拼接(jie)或(huo)同一时间(jian)来(lai)(lai)做(zuo)(zuo)出(chu)(chu)(chu)(chu)(chu)，应(ying)融合讲解，方(fang)可(ke)(ke)作为(wei)最好(hao)的(de)(de)(de)(de)(de)(de)治疗效果。 很(hen)用(yong)(yong)途(tu)性(xing)(xing)强(qiang)检(jian)(jian)(jian)验(yan)(yan)(yan)(yan)(yan)报(bao)(bao)(bao)告(gao)(gao)(gao)(gao)(gao)(gao)枝(zhi)术(shu)不必须(xu)繁多(duo)贵的(de)(de)(de)(de)(de)(de)定量(liang)分析仪(yi)器(qi)(qi)(qi)(qi)设备(bei)，随着时随地来(lai)(lai)做(zuo)(zuo)出(chu)(chu)(chu)(chu)(chu)检(jian)(jian)(jian)验(yan)(yan)(yan)(yan)(yan)报(bao)(bao)(bao)告(gao)(gao)(gao)ꦗ(gao)(gao)(gao)，且(qie)迅速、便利(li)、精确(que)度性(xing)(xing)较高，尤(you)其(qi)是和(he)对(dui)(dui)数(shu)控(kong)(kong)磨床(chuang)来(lai)(lai)做(zuo)(zuo)出(chu)(chu)(chu)(chu)(chu)分步(bu)(bu)检(jian)(jian)(jian)验(yan)(yan)(yan)(yan)(yan)报(bao)(bao)(bao)告(gao)(gao)(gao)(gao)(gao)(gao)。2、目前(qian)检(jian)(jian)(jian)验(yan)(yan)(yan)(yan)(yan)报(bao)(bao)(bao)告(gao)(gao)(gao)(gao)(gao)(gao)枝(zhi)术(shu)此检(jian)(jian)(jian)验(yan)(yan)(yan)(yan)(yan)报(bao)(bao)(bao)告(gao)(gao)(gao)(gao)(gao)(gao)是借助(zhu)检(jian)(jian)(jian)验(yan)(yan)(yan)(yan)(yan)报(bao)(bao)(bao)告(gao)(gao)(gao)(gao)(gao)(gao)定量(liang)分析仪(yi)器(qi)(qi)(qi)(qi)设备(bei)和(he)统(tong)计资料处里对(dui)(dui)数(shu)控(kong)(kong)磨床(chuang)机(ji)(ji)器(qi)(qi)(qi)(qi)性(xing)(xing)装备(bei)厂(chang)(chang)仪(yi)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)某一些的(de)(de)(de)(de)(de)(de)特点产(chan)品(pin)参数(shu)，如(ru)振(zhen)动模式(shi)、躁(zao)声和(he)湿度等来(lai)(lai)做(zuo)(zuo)出(chu)(chu)(chu)(chu)(chu)侧(ce)量(liang)，将(jiang)侧(ce)量(liang)值与相关规定的(de)(de)(de)(de)(de)(de)普(pu)通(tong)值来(lai)(lai)做(zuo)(zuo)出(chu)(chu)(chu)(chu)(chu)较，以(yi)判定机(ji)(ji)器(qi)(qi)(qi)(qi)性(xing)(xing)装备(bei)厂(chang)(chang)仪(yi)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)正(zheng)(zheng)常(chang)运行(xing)情(qing)形什么(me)情(qing)况下(xia)普(pu)通(tong)，以(yi)此对(dui)(dui)机(ji)(ji)器(qi)(qi)(qi)(qi)性(xing)(xing)装备(bei)厂(chang)(chang)仪(yi)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)正(zheng)(zheng)常(chang)运行(xing)情(qing)形来(lai)(lai)做(zuo)(zuo)出(chu)(chu)(chu)(chu)(chu)预报(bao)(bao)(bao)，甚至(zhi)还有天气预报(bao)(bao)(bao)，广(guang)告(gao)(gao)(gao)(gao)(gao)(gao)信息(xi)等和(he)推(tui)测;并可(ke)(ke)进那(nei)(nei)步(bu)(bu)对(dui)(dui)机(ji)(ji)器(qi)(qi)(qi)(qi)性(xing)(xing)装备(bei)厂(chang)(chang)仪(yi)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)出(chu)(chu)(chu)(chu)(chu)现(xian)(xian)问(wen)题(ti)其(qi)原(yuan)因、的(de)(de)(de)(de)(de)(de)位置(zhi)和(he)出(chu)(chu)(chu)(chu)(chu)现(xian)(xian)问(wen)题(ti)的(de)(de)(de)(de)(de)(de)明显程度较来(lai)(lai)做(zuo)(zuo)出(chu)(chu)(chu)(chu)(chu)定性(xing)(xing)处理和(he)一定量(liang)的(de)(de)(de)(de)(de)(de)讲解。借助(zhu)目前(qian)检(jian)(jian)(jian)验(yan)(yan)(yan)(yan)(yan)报(bao)(bao)(bao)告(gao)(gao)(gao)(gao)(gao)(gao)枝(zhi)术(shu)可(ke)(ke)在机(ji)(ji)器(qi)(qi)(qi)(qi)性(xing)(xing)装备(bei)厂(chang)(chang)仪(yi)器(qi)(qi)(qi)(qi)情(qing)况出(chu)(chu)(chu)(chu)(chu)现(xian)(xian)问(wen)题(ti)的(de)(de)(de)(de)(de)(de)期间(jian)，马上会发现(xian)(xian)出(chu)(chu)(chu)(chu)(chu)现(xian)(xian)问(wen)题(ti)的(de)(de)(de)(de)(de)(de)的(de)(de)(de)(de)(de)(de)位置(zhi)，并来(lai)(lai)做(zuo)(zuo)出(chu)(chu)(chu)(chu)(chu)保(bao)养(yang)，以(yi)此可(ke)(ke)避开机(ji)(ji)器(qi)(qi)(qi)(qi)性(xing)(xing)装备(bei)厂(chang)(chang)零件加工的(de)(de)(de)(de)(de)(de)进那(nei)(nei)步(bu)(bu)伤害。目前(qian)检(jian)(jian)(jian)验(yan)(yan)(yan)(yan)(yan)报(bao)(bao)(bao)告(gao)(gao)(gao)(gao)(gao)(gao)枝(zhi)术(shu)现(xian)(xian)今(jin)已获得了(le)反复(fu)的(de)(de)(de)(de)(de)(de)精准(zhun)投放和(he)用(yong)(yong)途(tu)。

      二(er)、电(dian)(dian)气(qi)(qi)成套设备程(cheng)序错(cuo)(cuo)误(wu)码(ma)(ma)(ma)的(de)(de)临(lin)床(chuang)(chuang)(chuang)(chuang)(chuang)鉴(jian)别(bie)检(jian)(jian)(jian)验报(bao)(bao)告(gao)相对于精机车(che)床(chuang)(chuang)(chuang)(chuang)(chuang)磨床(chuang)(chuang)(chuang)(chuang)(chuang)的(de)(de)电(dian)(dian)气(qi)(qi)成套ꦯ设备程(cheng)序的(de)(de)错(cuo)(cuo)误(wu)码(ma)(ma)(ma)，其调察、探讨(tao)与临(lin)床(chuang)(chuang)(chuang)(chuang)(chuang)鉴(jian)别(bie)检(jian)(jian)(jian)验报(bao)(bao)告(gao)错(cuo)(cuo)误(wu)码(ma)(ma)(ma)的(de)(de)步骤，也就算错(cuo)(cuo)误(wu)码(ma)(ma)(ma)的(de)(de)消(xiao)除步骤，为(wei)此其错(cuo)(cuo)误(wu)码(ma)(ma)(ma)临(lin)床(chuang)(chuang)(chuang)(chuang)(chuang)鉴(jian)别(bie)检(jian)(jian)(jian)验报(bao)(bao)告(gao)的(de)(de)做法(fa)就格外(wai)重(zhong)点。上边简单易行介绍书些许经(jing)常(chang)实(shi)用的(de)(de)临(lin)床(chuang)(chuang)(chuang)(chuang)(chuang)鉴(jian)别(bie)检(jian)(jian)(jian)验报(bao)(bao)告(gao)做法(fa)。1、抽象(xiang)化法(fa)。通常(chang)按照估计(ji)、摸起来、通电(dian)(dian)等做法(fa)。修理(li)(li)人群在(zai)错(cuo)(cuo)误(wu)码(ma)(ma)(ma)临(lin)床(chuang)(chuang)(chuang)(chuang)(chuang)鉴(jian)别(bie)检(jian)(jian)(jian)验报(bao)(bao)告(gao)时(shi)先(xian)是(shi)实(shi)用的(de)(de)做法(fa)是(shi)抽象(xiang)化检(jian)(jian)(jian)杳(yao)(yao)法(fa)。先(xian)是(shi)要(yao)顾(gu)问公(gong)司，向诞生错(cuo)(cuo)误(wu)码(ma)(ma)(ma)的(de)(de)現场(chang)人群详细(xi)的(de)(de)顾(gu)问公(gong)司错(cuo)(cuo)误(wu)码(ma)(ma)(ma)呈现的(de)(de)途经(jing)、错(cuo)(cuo)误(wu)码(ma)(ma)(ma)想(xiang)象(xiang)和错(cuo)(cuo)误(wu)码(ma)(ma)(ma)不正常(chang)后果(guo)，特别(bie)要(yao)在(zai)全部整个(ge)(ge)(ge)的(de)(de)探讨(tao)、鉴(jian)别(bie)步骤中次数问询；2是(shi)认真负责检(jian)(jian)(jian)杳(yao)(yꦿao)，证据(ju)错(cuo)(cuo)误(wu)码(ma)(ma)(ma)临(lin)床(chuang)(chuang)(chuang)(chuang)(chuang)鉴(jian)别(bie)检(jian)(jian)(jian)验报(bao)(bao)告(gao)底(di)线(xian)从外(wai)部内开始完(wan)成摸排(pai)。产品检(jian)(jian)(jian)杳(yao)(yao)车(che)床(chuang)(chuang)(chuang)(chuang)(chuang)磨床(chuang)(chuang)(chuang)(chuang)(chuang)各(ge)电(dian)(dian)机控制安(an)装（如光滑安(an)装、精机程(cheng)序、温度控制安(an)装等）有没(mei)有什(shen)么(me)警报(bao)(bao)器(qi)(qi)告(gao)诉，各(ge)个(ge)(ge)(ge)部位(wei)职责分工作情(qing)形下是(shi)占据(ju)普通 情(qing)形下（打个(ge)(ge)(ge)比(bi)方机戒手所(suo)在(zai)座位(wei)、电(dian)(dian)主轴情(qing)形下、各(ge)坐标轴轴所(suo)在(zai)座位(wei)、数控刀等），车(che)床(chuang)(chuang)(chuang)(chuang)(chuang)磨床(chuang)(chuang)(chuang)(chuang)(chuang)局(ju)部位(wei)要(yao)观察分析(xi)电(dian)(dian)源电(dian)(dian)线(xian)原理(li)(li)板(ban)上是(shi)有短路等问题、断(duan)路，电(dian)(dian)源电(dian)(dian)线(xian)原理(li)(li)板(ban)元元器(qi)(qi)及(ji)的(de)(de)线(xian)路是(shi)有缝隙、烧伤等想(xiang)象(xiang)，集成电(dian)(dian)线(xian)芯片(pian)是(shi)使用不正常(chang)等想(xiang)象(xiang)，对修理(li)(li)过(guo)的(de)(de)电(dian)(dian)源电(dian)(dian)线(xian)原理(li)(li)板(ban)，更加检(jian)(jian)(jian)杳(yao)(yao)有没(mei)有什(shen)么(me)缺件、错(cuo)(cuo)件及(ji)断(duan)网等情(qing)形；

       三(san)、是触感，在(zai)整个设备停(ting)电(dian)(dian)(dian)(dian)状(zhuang)(zhuang)况下行(xing)(xing)按(an)照触感各首要三(san)极(ji)管(guan)(guan)板的(de)(de)(de)(de)(de)按(an)装(zhuang)壮况、各电(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(zhi)线(xian)(xian)(xian)(xian)线(xian)(xian)(xian)(xian)插(cha)头座的(de)(de)(de)(de)(de)插(cha)接壮况、 各电(dian)(dian)(dian)(dian)功(gong)率及(ji)警(jing)报(bao)绞线(xian)(xian)(xian)(xian)（如(ru)伺服控制器(qi)与高压电(dian)(dian)(dian)(𒁏dian)机沾(zhan)染器(qi)接线(xian)(xian)(xian)(xian)头）的(de)(de)(de)(de)(de)联(lian)结(jie)壮况等来(lai)发(fa)展能(neng)(neng)能(neng)(neng)有(you)(you)了错(cuo)(cuo)(cuo)(cuo)误(wu)(wu)的(de)(de)(de)(de)(de)现象。2、自程度系統(tong)法(fa)(fa)(fa)。分(fen)为(wei)电(dian)(dian)(dian)(dian)脑(nao)(nao)台(tai)湾系統(tong)的(de)(de)(de)(de)(de)自程度系統(tong)，求(qiu)出(chu)(chu)(chu)报(bao)警(jing)装(zhuang)置(zhi)资料，标示(shi)错(cuo)(cuo)(cuo)(cuo)误(wu)(wu)的(de)(de)(de)(de)(de)分(fen)为(wei)前因。3、置(zhi)换法(fa)(fa)(fa)。将相似的(de)(de)(de)(de)(de)模块电(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(zhi)线(xian)(xian)(xian)(xian)和单元(yuan)式相互间置(zhi)换，讲解讲解错(cuo)(cuo)(cuo)(cuo)误(wu)(wu)转交的(de)(de)(de)(de)(de)时(shi)候，进而短时(shi)间判(pan)断错(cuo)(cuo)(cuo)(cuo)误(wu)(wu)的(de)(de)(de)(de)(de)连(lian)接。4、检(jian)(jian)(jian)修预(yu)(yu)估(gu)(gu)(gu)(gu)医疗(liao)检(jian)(jian)(jian)验(yan)仪(yi)(yi)器(qi)自动(dong)预(yu)(yu)估(gu)(gu)(gu)(gu)更(geng)法(fa)(fa)(fa)。当(dang)系統(tong)突(tu)发(fa)错(cuo)(cuo)(cuo)(cuo)误(wu)(wu)后，分(fen)为(wei)常规化(hua)(hua)化(hua)(hua)高压水(shui)电(dian)(dian)(dian)(dian)工检(jian)(jian)(jian)修预(yu)(yu)估(gu)(gu)(gu)(gu)检(jian)(jian)(jian)修预(yu)(yu)估(gu)(gu)(gu)(gu)医疗(liao)检(jian)(jian)(jian)验(yan)仪(yi)(yi)器(qi)，对错(cuo)(cuo)(cuo)(cuo)误(wu)(wu)的(de)(de)(de)(de)(de)部分(fen)的(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(zhi)降(jiang)、电(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(zhi)线(xian)(xian)(xian)(xian)、智(zhi)能(neng)(neng)警(jing)报(bao)等实行(xing)(xing)测试数据，将普通(tong)值(zhi)(zhi)与错(cuo)(cuo)(cuo)(cuo)误(wu)(wu)时(shi)的(de)(de)(de)(de)(de)值(zhi)(zhi)相更(geng)，行(xing)(xing)讲解出(chu)(chu)(chu)错(cuo)(cuo)(cuo)(cuo)误(wu)(wu)的(de)(de)(de)(de)(de)现象与所(suo)在(zai)地(di)(di)连(lian)接。检(jian)(jian)(jian)修预(yu)(yu)估(gu)(gu)(gu)(gu)医疗(liao)检(jian)(jian)(jian)验(yan)仪(yi)(yi)器(qi)检(jian)(jian)(jian)修法(fa)(fa)(fa)是动(dong)用(yong)常规化(hua)(hua)化(hua)(hua)的(de)(de)(de)(de)(de)高压水(shui)电(dian)(dian)(dian)(dian)工仪(yi)(yi)器(qi)仪(yi)(yi)表，对想关直流变(bian)压器(qi)变(bian)压器(qi)及(ji)智(zhi)能(neng)(neng)警(jing)报(bao)及(ji)各组交、直流变(bian)压器(qi)变(bian)压器(qi)电(dian)(dian)(dian)(dian)阻(zu)(zu)ꩲ值(zhi)(zhi)线(xian)(xian)(xian)(xian)电(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(zhi)降(jiang)等实行(xing)(xing)自动(dong)预(yu)(yu)估(gu)(gu)(gu)(gu)，进而筛出(chu)(chu)(chu)能(neng)(neng)能(neng)(neng)的(de)(de)(de)(de)(de)错(cuo)(cuo)(cuo)(cuo)误(wu)(wu)状(zhuang)(zhuang)况。列如(ru)：拿万用(yong)表来(lai)检(jian)(jian)(jian)修各电(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(zhi)线(xian)(xian)(xian)(xian)时(shi)候，和对但(dan)其中一(yi)系三(san)极(ji)管(guan)(guan)板上流程的(de)(de)(de)(de)(de)想关警(jing)报(bao)状(zhuang)(zhuang)况数据检(jian)(jian)(jian)验(yan)点(dian)实行(xing)(xing)自动(dong)预(yu)(yu)估(gu)(gu)(gu)(gu)，拿示(shi)波(bo)器(qi)讲解讲解其脉动(dong)警(jing)报(bao)的(de)(de)(de)(de)(de)幅值(zhi)(zhi)、相位(wei)又(you)或(huo)者有(you)(you)、无，拿PLC c语(yu)言(yan)编程器(qi)检(jian)(jian)(jian)修预(yu)(yu)估(gu)(gu)(gu)(gu)PLC环节中的(de)(de)(de)(de)(de)错(cuo)(cuo)(cuo)(cuo)误(wu)(wu)点(dian)及(ji)现象。5、撞(zhuang)击法(fa)(fa)(fa)。电(dian)(dian)(dian)(dian)脑(nao)(nao)台(tai)湾系統(tong)由(you)繁多(duo)三(san)极(ji)管(guan)(guan)板包含(han)，每一(yi)块上的(de)(de)(de)(de)(de)三(san)极(ji)管(guan)(guan)板面有(you)(you)诸多(duo)焊点(dian)，其中虚焊或(huo)沾(zhan)染缺陷(xian)都能(neng)(neng)能(neng)(neng)有(you)(you)了错(cuo)(cuo)(cuo)(cuo)误(wu)(wu)该用(yong)绝缘性物猛地(di)(di)击打有(you)(you)虚焊或(huo)沾(zhan)染缺陷(xian)的(de)(de)(de)(de)(de)疑(yi)问处，若(ruo)错(cuo)(cuo)(cuo)(cuo)误(wu)(wu)有(you)(you)了，则(ze)错(cuo)(cuo)(cuo)(cuo)误(wu)(wu)很能(neng)(neng)能(neng)(neng)就在(zai)撞(zhuang)击的(de)(de)(de)(de)(de)连(lian)接。作(zuo)出(chu)(chu)(chu)这么几(ji)种(zhong)方法(fa)(fa)(fa)步骤同(tong)时(shi)分(fen)为(wei)，实行(xing)(xing)错(cuo)(cuo)(cuo)(cuo)误(wu)(wu)綜(zong)合讲解，可短时(shi)间程度出(chu)(chu)(chu)错(cuo)(cuo)(cuo)(cuo)误(wu)(wu)的(de)(de)(de)(de)(de)连(lian)接，进而能(neng)(neng)短时(shi)间在(zai)排(pai)除错(cuo)(cuo)(cuo)(cuo)误(wu)(wu)。