加工進行時效能勘驗非標準測試分析儀器
加jia強qiang企qi業ye內nei部bu的de培pei訓xun管guan理li針zhen對dui密mi封feng機ji準zhun確que度du要yao求qiu高gao等deng特te點dian,我wo們men會hui同tong公gong司si人ren力li資zi源yuan部bu有you針zhen對dui性xing地di對dui各ge車che間jian的de操cao作zuo人ren員yuan進jin行xing了le操cao作zuo培pei訓xun。從cong密mi封feng機ji的de結jie構gou、工gong作zuo原yuan理li及ji測ce試shi數shu據ju的de有you效xiao性xing如ru何he判pan斷duan等deng方fang麵mian,進jin行xing了le較jiao全quan麵mian的de培pei訓xun。通tong過guo專zhuan業ye培pei訓xun,操cao作zuo人ren員yuan基ji本ben掌zhang握wo了le密mi封feng機ji的de工gong作zuo原yuan理li和he工gong作zuo特te性xing,在zai日ri常chang工gong作zuo中zhong都dou能neng熟shu練lian地di操cao作zuo密mi封feng機ji,並bing能neng對dui測ce試shi數shu據ju進jin行xing判pan斷duan。
製定合理的校準日期由於密封機屬於非標設備,而且使用頻次、測試參數都不同,加上受環境、機ji器qi以yi及ji人ren員yuan操cao作zuo等deng各ge方fang麵mian的de影ying響xiang,用yong原yuan來lai普pu遍bian認ren可ke的de計ji量liang器qi具ju校xiao準zhun周zhou期qi為wei一yi年nian的de辦ban法fa來lai做zuo校xiao準zhun依yi據ju,就jiu顯xian得de不bu充chong分fen。我wo們men根gen據ju密mi封feng機ji操cao作zuo原yuan理li和he使shi用yong特te點dian,製zhi定ding了le以yi下xia措cuo施shi,來lai保bao證zheng產chan品pin的de質zhi量liang。
1.shiyongxiangyingdebiaozhunxielouqi,suishiduiyiqijinxingxiaozhunjijiagonghoudeguangpijiandaokehushouzhonghoujiangzhijiejinxinganzhuang,wangwangyigegongjiandexieloujiangzhijieyingxiangdaozhengchedezhiliang。suoyi,weileduizheleichanpinyangebaguan,womengenjumifengjidegongzuoyuanli,caiyonglebutongguigedebiaozhunxielouqi,meinianjinxingzhouqixiaozhun。bingqiezaigemifengjishanganzhuanglezhuanyongkuaisujietou。zheyang,caozuorenyuanjiukemeitianyongbiaozhunxielouqiduiyiqijinxingxiaozhun,yicilaipandingyiqidezhunquexing。qici,womenyougenjugongsideshijishengchanqingkuang,duimeitaimifengjidecanshujinxingtiaozheng,xiangyingtigaoleceshicanshu。zheyang,zuizhongdaoyonghushouzhongdechanpin,baozhenghegelvwei100%。
2.對dui用yong於yu測ce試shi毛mao坯pi件jian的de密mi封feng機ji加jia裝zhuang水shui密mi封feng檢jian測ce工gong序xu由you於yu這zhe類lei密mi封feng機ji測ce試shi的de產chan品pin是shi毛mao坯pi件jian,最zui終zhong客ke戶hu確que認ren的de狀zhuang態tai和he出chu廠chang原yuan始shi狀zhuang態tai是shi完wan全quan不bu一yi樣yang的de。如ru全quan部bu采cai用yong第di一yi種zhong方fang法fa進jin行xing測ce試shi,那na麼me,兩liang次ci測ce量liang的de數shu值zhi不bu僅jin無wu法fa統tong一yi,而er且qie其qi測ce試shi費fei用yong也ye較jiao高gao。所suo以yi,針zhen對dui此ci類lei密mi封feng機ji,我wo們men就jiu結jie合he實shi際ji情qing況kuang,在zai相xiang應ying提ti高gao各ge檢jian測ce標biao準zhun參can數shu的de同tong時shi,向xiang公gong司si提ti出chu建jian議yi,對dui部bu分fen密mi封feng機ji進jin行xing改gai造zao,使shi其qi從cong單dan一yi的de氣qi密mi封feng檢jian測ce改gai為wei水shui氣qi兩liang用yong檢jian測ce;並bing且qie從cong環huan保bao及ji節jie約yue能neng源yuan的de角jiao度du考kao慮lv,讓rang測ce試shi用yong水shui可ke循xun環huan使shi用yong。這zhe樣yang,若ruo在zai產chan品pin密mi封feng測ce試shi過guo程cheng中zhong發fa生sheng異yi常chang現xian象xiang,操cao作zuo人ren員yuan可ke改gai用yong水shui密mi封feng進jin行xing複fu驗yan測ce試shi。
3.挑tiao選xuan合he格ge的de封feng樣yang件jian,作zuo對dui比bi測ce試shi產chan品pin測ce試shi過guo程cheng中zhong,被bei測ce工gong件jian有you一yi定ding的de泄xie漏lou範fan圍wei。訂ding購gou了le相xiang應ying的de標biao準zhun泄xie漏lou器qi後hou,產chan品pin測ce試shi數shu值zhi的de上shang限xian可ke控kong製zhi了le,但dan產chan品pin的de測ce試shi下xia限xian在zai零ling的de位wei置zhi,測ce試shi數shu據ju是shi否fou準zhun確que還hai無wu法fa論lun證zheng。針zhen對dui以yi上shang情qing況kuang,我wo們men經jing過guo反fan複fu挑tiao選xuan,選xuan出chu了le相xiang對dui泄xie漏lou量liang較jiao小xiao的de產chan品pin,在zai不bu破po壞huai產chan品pin外wai觀guan以yi及ji產chan品pin性xing能neng的de前qian提ti下xia,保bao留liu了le充chong氣qi孔kong位wei置zhi,在zai原yuan出chu氣qi孔kong的de位wei置zhi上shang添tian加jia橡xiang膠jiao件jian,並bing用yong密mi封feng膠jiao將jiang其qi完wan全quan密mi封feng。這zhe樣yang,測ce試shi樣yang件jian就jiu無wu泄xie漏lou值zhi了le。
測(ce)試(shi)泄(xie)漏(lou)數(shu)據(ju)為(wei)零(ling),在(zai)零(ling)點(dian)位(wei)置(zhi)所(suo)測(ce)試(shi)數(shu)據(ju)的(de)準(zhun)確(que)性(xing)得(de)到(dao)了(le)保(bao)證(zheng)。這(zhe)類(lei)產(chan)品(pin),我(wo)們(men)就(jiu)作(zuo)為(wei)零(ling)泄(xie)漏(lou)封(feng)樣(yang)件(jian)加(jia)以(yi)封(feng)存(cun)保(bao)留(liu)。在(zai)正(zheng)常(chang)的(de)產(chan)品(pin)測(ce)試(shi)過(guo)程(cheng)中(zhong),用(yong)封(feng)樣(yang)件(jian)加(jia)上(shang)標(biao)準(zhun)泄(xie)漏(lou)器(qi)進(jin)行(xing)測(ce)試(shi),所(suo)有(you)被(bei)測(ce)產(chan)品(pin)從(cong)泄(xie)漏(lou)量(liang)零(ling)點(dian)至(zhi)泄(xie)漏(lou)上(shang)限(xian)的(de)參(can)數(shu)的(de)準(zhun)確(que)性(xing)都(dou)得(de)到(dao)了(le)可(ke)靠(kao)的(de)保(bao)證(zheng)。
製(zhi)定(ding)相(xiang)應(ying)的(de)規(gui)章(zhang)製(zhi)度(du),定(ding)期(qi)更(geng)換(huan)密(mi)封(feng)機(ji)密(mi)封(feng)圈(quan)無(wu)論(lun)是(shi)氣(qi)密(mi)封(feng)機(ji)還(hai)是(shi)水(shui)密(mi)封(feng)機(ji),由(you)於(yu)其(qi)工(gong)作(zuo)原(yuan)理(li)及(ji)本(ben)身(shen)設(she)計(ji)的(de)原(yuan)因(yin),決(jue)定(ding)了(le)其(qi)對(dui)機(ji)器(qi)各(ge)夾(jia)口(kou)、夾具等密封圈、墊(dian)密(mi)封(feng)的(de)要(yao)求(qiu)較(jiao)高(gao),同(tong)時(shi)對(dui)氣(qi)源(yuan)的(de)要(yao)求(qiu)也(ye)較(jiao)高(gao)。如(ru)上(shang)述(shu)條(tiao)件(jian)不(bu)滿(man)足(zu),將(jiang)會(hui)對(dui)儀(yi)器(qi)的(de)正(zheng)常(chang)使(shi)用(yong)帶(dai)來(lai)一(yi)定(ding)影(ying)響(xiang),測(ce)試(shi)的(de)準(zhun)確(que)性(xing)也(ye)將(jiang)無(wu)法(fa)保(bao)證(zheng)。所(suo)以(yi),針(zhen)對(dui)密(mi)封(feng)機(ji)的(de)使(shi)用(yong)特(te)點(dian),我(wo)們(men)相(xiang)繼(ji)製(zhi)定(ding)了(le)強(qiang)製(zhi)更(geng)換(huan)各(ge)密(mi)封(feng)墊(dian)、圈的規定,並會同設備主管部門進行跟蹤。把製度、措施用文件化、製度化的形式確定下來,以保證日常測試(校準)工作的順利進行。
加強對密封機進行係統分析(MSA),變靜態分析為動態分析在對產品的檢測(校準)中,始終存在著各種誤差,這種誤差是隨機的、不確定的。它可能是人、機、環huan境jing或huo測ce試shi工gong件jian等deng各ge種zhong因yin素su相xiang互hu作zuo用yong的de結jie果guo。如ru果guo測ce量liang係xi統tong變bian差cha非fei常chang大da,那na麼me,用yong它ta測ce量liang的de數shu據ju來lai判pan斷duan產chan品pin的de合he格ge與yu否fou顯xian然ran是shi無wu意yi義yi的de。過guo去qu,我wo們men認ren為wei隻zhi要yao做zuo過guo係xi統tong分fen析xi就jiu可ke以yi了le。經jing過guo對dui體ti係xi文wen件jian的de不bu斷duan學xue習xi,我wo們men感gan到dao過guo去qu的de做zuo法fa是shi錯cuo誤wu和he片pian麵mian的de,因yin為wei測ce試shi儀yi器qi修xiu理li後hou,整zheng個ge測ce試shi係xi統tong所suo產chan生sheng的de誤wu差cha與yu儀yi器qi修xiu理li前qian所suo做zuo的de係xi統tong分fen析xi是shi有you區qu別bie的de,如ru不bu對dui其qi係xi統tong誤wu差cha加jia以yi重zhong新xin分fen析xi,那na麼me,設she備bei修xiu理li或huo故gu障zhang排pai除chu後hou的de設she備bei性xing能neng及ji穩wen定ding性xing也ye就jiu無wu從cong保bao證zheng了le。認ren識shi到dao上shang述shu問wen題ti後hou,我wo們men在zai對dui儀yi器qi係xi統tong進jin行xing校xiao準zhun(檢定)時,或者設備狀態重新確認後,就主動對測試係統誤差(MSA)重新進行評估,由過去的靜態評估改為主動對機器測量係統進行動態評估。這樣工作量雖然增加了不少,但效果非常明顯。如2004年美國生產的一台密封機,經改造重新確認後,經過操作者對同一規格的10個被校樣品進行多次測量後,得到的評定結果為R&R%=15.5%,顯(xian)然(ran),該(gai)係(xi)統(tong)存(cun)在(zai)一(yi)定(ding)的(de)問(wen)題(ti)。經(jing)過(guo)和(he)供(gong)應(ying)商(shang)的(de)交(jiao)涉(she),對(dui)方(fang)承(cheng)認(ren)在(zai)夾(jia)具(ju)設(she)計(ji)過(guo)程(cheng)中(zhong)存(cun)在(zai)不(bu)合(he)理(li)因(yin)素(su)。經(jing)過(guo)對(dui)改(gai)進(jin)後(hou)的(de)夾(jia)具(ju)重(zhong)新(xin)做(zuo)係(xi)統(tong)分(fen)析(xi),得(de)到(dao)的(de)評(ping)定(ding)結(jie)果(guo)為(wei)R&R%=9.8%。改(gai)進(jin)後(hou)效(xiao)果(guo)明(ming)顯(xian),機(ji)器(qi)得(de)以(yi)正(zheng)常(chang)使(shi)用(yong),產(chan)品(pin)滿(man)足(zu)了(le)國(guo)外(wai)客(ke)戶(hu)的(de)要(yao)求(qiu)。通(tong)過(guo)以(yi)上(shang)的(de)工(gong)作(zuo),我(wo)們(men)公(gong)司(si)的(de)產(chan)品(pin),在(zai)泄(xie)漏(lou)方(fang)麵(mian)的(de)檢(jian)測(ce)質(zhi)量(liang)顯(xian)著(zhu)提(ti)高(gao)了(le),為(wei)企(qi)業(ye)的(de)發(fa)展(zhan)、產品質量的不斷提高,提供了有力保證。http://98fo.cn



