來源:昌昇自動化時間:2021-08-04
【1】先靜後動。
youyusifuqudongqiweixiudianlushizaixianweixiuyimuqianzhinengduisifuqudongqidianlubanshangdeqijianjinxinggongnengzaixianceshihejingtaitezhengfenxi,shifouwanquanxiuhaobixuyaojingguozhengjiceshijianyan,yinci,zaijianyanshizuihaoxianjianzhayixiashebeidedianyuanshifouanyaoqiuzhengquegonggeidaozhusujidianlubanshang。
【2】先看後量。
使用工具:萬(wan)用(yong)表(biao)和(he)放(fang)大(da)鏡(jing)。當(dang)手(shou)拿(na)一(yi)塊(kuai)需(xu)要(yao)伺(si)服(fu)驅(qu)動(dong)器(qi)維(wei)修(xiu)的(de)電(dian)路(lu)板(ban),良(liang)好(hao)的(de)習(xi)慣(guan)首(shou)先(xian)是(shi)應(ying)對(dui)其(qi)進(jin)行(xing)目(mu)測(ce),必(bi)要(yao)時(shi)還(hai)要(yao)借(jie)助(zhu)放(fang)大(da)鏡(jing)。主(zhu)要(yao)看(kan)以(yi)下(xia)原(yuan)因(yin):
A、是否有斷線;
B、伺服器電路板上的印製板連接線是否存在斷裂、粘連等;
C、分立元件如電阻、電解電容、電感、二極管、三極管等是否存在斷開現象;
D、是否有人對伺服驅動器維修過?動過哪些元器件?是否存在虛焊、漏焊、插反等操作方麵的失誤;
E、zaiquedinglewushangshuzhuangkuanghou,shouxianyongwanyongbiaoceliangsifuqidianlubandianyuanhedizhijiandezuzhi,ruozuzhitaixiao,caijigehuoshijigeoumu,shuomingsifuqidianlubanshangyouyuanqijianbeijichuanhuobufenjichuan,jiubixucaiqucuoshijiangbeijichuandeyuanqijianzhaochulai。jutibanfashixiangxuyaosifuqudongqiweixiudianlubangongdian,yongshouqumosifuqidianlubanshanggeqijiandewendu,tangshoudejiangshizhongdianhuaiyiduixiang。
F、若阻值正常,用萬用表測量板上的電阻、二極管、三極管、場效應管、boduankaiguandengfenliyuanjian,qimudejiushishouxianyaoquebaoceliangguodeyuanjianshizhengchangde,womensifuqudongqiweixiuliyoushi,nengyongwanyongbiaojiejuedewenti,jiubuyaobatafuzahua。
伺服驅動器維修時使用電路在線維修儀、電烙鐵、記ji號hao筆bi。為wei提ti高gao測ce試shi效xiao果guo,在zai對dui伺si服fu器qi電dian路lu板ban進jin行xing在zai線xian功gong能neng測ce試shi前qian,應ying對dui被bei修xiu板ban做zuo一yi些xie技ji術shu處chu理li,以yi盡jin量liang削xue弱ruo各ge種zhong幹gan擾rao對dui測ce試shi進jin程cheng帶dai來lai的de負fu麵mian影ying響xiang。
具體伺服驅動器維修措施如下:測試前的準備將晶振短路,對大的電解電容要焊下一條腳使其開路,因為電容的充放電同樣也能帶來幹擾。
【4】先外後內
使用工具:電路在線維修儀如果情況允許,最好是找一塊與伺服驅動器維修板一樣的好板作為參照,然後使用一起的雙棒VI曲線掃描功能對兩塊板進行好、huaiduibiceshi,qishideduibidiankeyicongduankoukaishi,ranhouyoubiaojili,youqishiduidianrongdeduibiceshi,keyimibuwanyongbiaozaixiannanyicechushifouloudiandequehan。
