如何使用和維護高溫熔體壓力傳感器
發布時間:2013-11-22 來源:電子元件技術網 責任編輯:cicy
正確安裝
tongchanggaowenrongtiyalichuanganqidesunhuaidoushiyouyuqianzhuangweizhibuqiadangeryinqide。ruguojiangchuanganqiqiangxinganzhuangzaiguoxiaodekonghuoxingzhuangbuguizedekongzhong,jiuyoukenengzaochengchuanganqidezhendongmoshoudaochongjiersunhuai。xuanzeheshidegongjujiagonganzhuangkong,youliyukongzhianzhuangkongdechicun。lingwai,heshideanzhuangniujuyouliyuxingchenglianghaodemifeng。danshiruguoanzhuangniujuguogaojiurongyiyinqigaowenrongtiyalichuanganqidehuatuo,weifangzhizhezhongxianxiangfasheng,tongchangzaichuanganqianzhuangzhiqianzaiqiluowenbufenshangtumofangtuohuahewu。zaishiyongzhezhonghuahewuyihou,jishianzhuangniujuhengao,chuanganqiyehennanbeiyidong。
檢查安裝孔的尺寸
ruguoanzhuangkongdechicunbuheshi,gaowenrongtiyalichuanganqizaianzhuangguochengzhong,qiluowenbufenjiuhenrongyishoudaomosun。zhebujinhuiyingxiangshebeidemifengxingneng,erqieshichuanganqibunengchongfenfahuizuoyong,shenzhihaikenengchanshenganquanyinhuan。zhiyouheshideanzhuangkongcainenggoubimianluowendemosun(螺紋工業標準1/2-20 UNF 2B),通常可以采用安裝孔測量儀對安裝孔進行檢測,以做出適當的調整。
保持安裝孔的清潔
保bao持chi安an裝zhuang孔kong的de清qing潔jie並bing防fang止zhi熔rong料liao堵du塞sai對dui保bao證zheng設she備bei的de正zheng常chang運yun行xing來lai說shuo十shi分fen重zhong要yao。在zai擠ji出chu機ji被bei清qing潔jie之zhi前qian,所suo有you的de高gao溫wen熔rong體ti壓ya力li傳chuan感gan器qi都dou應ying該gai從cong機ji筒tong上shang拆chai除chu以yi避bi免mian損sun壞huai。在zai拆chai除chu傳chuan感gan器qi時shi,熔rong料liao有you可ke能neng流liu入ru到dao安an裝zhuang孔kong中zhong並bing硬ying化hua,如ru果guo這zhe些xie殘can餘yu的de熔rong料liao沒mei有you被bei去qu除chu,當dang再zai次ci安an裝zhuang高gao溫wen熔rong體ti壓ya力li傳chuan感gan器qi時shi就jiu可ke能neng造zao成cheng其qi頂ding部bu受shou損sun。清qing潔jie工gong具ju包bao能neng夠gou將jiang這zhe些xie熔rong料liao殘can餘yu物wu去qu除chu。然ran而er,重zhong複fu的de清qing潔jie過guo程cheng有you可ke能neng加jia深shen安an裝zhuang孔kong對dui高gao溫wen熔rong體ti壓ya力li傳chuan感gan器qi造zao成cheng的de損sun壞huai。如ru果guo這zhe種zhong情qing況kuang發fa生sheng,就jiu應ying當dang采cai取qu措cuo施shi來lai升sheng高gao高gao溫wen熔rong體ti壓ya力li傳chuan感gan器qi在zai安an裝zhuang孔kong中zhong的de位wei置zhi。
選擇恰當的位置
當高溫熔體壓力傳感器的安裝位置太靠近生產線的上遊時,未熔融的物料可能會磨損傳感器的頂部;如ru果guo高gao溫wen熔rong體ti壓ya力li傳chuan感gan器qi被bei安an裝zhuang在zai太tai靠kao後hou的de位wei置zhi,在zai高gao溫wen熔rong體ti壓ya力li傳chuan感gan器qi和he螺luo杆gan行xing程cheng之zhi間jian可ke能neng會hui產chan生sheng熔rong融rong物wu料liao的de停ting滯zhi區qu,熔rong料liao在zai那na裏li有you可ke能neng產chan生sheng降jiang解jie,壓ya力li信xin號hao也ye可ke能neng傳chuan遞di失shi真zhen;ruguogaowenrongtiyalichuanganqiguoyushenrujitong,luoganyoukenengzaixuanzhuanguochengzhongchupengdaogaowenrongtiyalichuanganqidedingbuerzaochengqisunhuai。yibanlaishuo,gaowenrongtiyalichuanganqikeyiweiyulvwangqianmiandejitongshang、熔體泵的前後或者模具中。
仔細清潔
在(zai)使(shi)用(yong)鋼(gang)絲(si)刷(shua)或(huo)者(zhe)特(te)殊(shu)化(hua)合(he)物(wu)對(dui)擠(ji)出(chu)機(ji)機(ji)筒(tong)進(jin)行(xing)清(qing)潔(jie)前(qian),應(ying)該(gai)將(jiang)所(suo)有(you)的(de)高(gao)溫(wen)熔(rong)體(ti)壓(ya)力(li)傳(chuan)感(gan)器(qi)都(dou)拆(chai)卸(xie)下(xia)來(lai)。因(yin)為(wei)這(zhe)兩(liang)種(zhong)清(qing)潔(jie)方(fang)式(shi)都(dou)可(ke)能(neng)會(hui)造(zao)成(cheng)高(gao)溫(wen)熔(rong)體(ti)壓(ya)力(li)傳(chuan)感(gan)器(qi)的(de)震(zhen)動(dong)膜(mo)受(shou)損(sun)。當(dang)機(ji)筒(tong)被(bei)加(jia)熱(re)時(shi),也(ye)應(ying)該(gai)將(jiang)高(gao)溫(wen)熔(rong)體(ti)壓(ya)力(li)傳(chuan)感(gan)器(qi)拆(chai)卸(xie)下(xia)來(lai)並(bing)使(shi)用(yong)不(bu)會(hui)產(chan)生(sheng)磨(mo)損(sun)的(de)軟(ruan)布(bu)來(lai)擦(ca)拭(shi)其(qi)頂(ding)部(bu),同(tong)時(shi)高(gao)溫(wen)熔(rong)體(ti)壓(ya)力(li)傳(chuan)感(gan)器(qi)的(de)孔(kong)洞(dong)也(ye)需(xu)要(yao)用(yong)清(qing)潔(jie)的(de)鑽(zuan)孔(kong)機(ji)和(he)導(dao)套(tao)清(qing)理(li)幹(gan)淨(jing)。
保持幹燥
jinguangaowenrongtiyalichuanganqidedianlushejinenggoujingshoukekedejichujiagonghuanjing,danshiduoshugaowenrongtiyalichuanganqiyebunengjueduifangshui,zaichaoshidehuanjingxiayebuliyuzhengchangyunxing。yinci,xuyaobaozhengjichujijitongdeshuilengzhuangzhizhongdeshuibuhuishenlou,fouzehuiduichuanganqizaochengbuliyingxiang。ruguochuanganqibudebubaoluzaishuizhonghuochaoshidehuanjingxia,jiuyaoxuanzejuyoujiqiangfangshuixingdeteshugaowenrongtiyalichuanganqi。
避免低溫幹擾
在擠出生產過程中,對於塑料原料而言,從固體到熔融狀態應當具有充足的“浸透時間”。ruguojichujizaikaishijinxingshengchanqianhaimeiyoudadaocaozuowendu,namegaowenrongtiyalichuanganqihejichujidouhuishoudaoyidingchengdudesunhuai。lingwai,ruguogaowenrongtiyalichuanganqiconglengdejichujishangbeichaichu,cailiaojiukenengzhanfuzaigaowenrongtiyalichuanganqidingbuyinqizhendongmodesunhuai。yinci,zaichaichugaowenrongtiyalichuanganqizhiqian,yingquerenjitongdewenduzugougao,jitongneibudewuliaochuyuruanhuazhuangtaixia。
防止壓力過載
即使傳感器測壓範圍的過載設計最高能夠達到50%(超出最大量程的比率),congshebeiyunxingdeanquanjiaodukaolvyeyinggaijinliangbimianmaoxian,zuihaoxuanzebeiceyalichuyuliangchengfanweizhineidegaowenrongtiyalichuanganqi。zaitongchangqingkuangxia,suoxuangaowenrongtiyalichuanganqidezuijialiangchengyinggaishibeiceyalide 2倍,這樣即使擠出機在極高的壓力下運行,也能避免高溫熔體壓力傳感器受到損壞。
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