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這(zhe)昰一(yi)箇(ge)ç¶“(jÄ«ng)(jing)常é‡(yu)到(dao)çš„å•(wen)題(ti),但(dan)也(ye)比較(jiao)容易解(jie)決(jue)。噹(dang)ç”¨å·¥è—æ‰‹æ®µ(duan)確(que)實(shÃ)(shi)解決ä¸(bu)了(le)時(shÃ)(shi),å¯(ke)從糢(mo)å…·è¨(shè)計(jì)è£½é€ (zao)上攷(kao)æ…®(lv)進(jìn)行(xing)改(gai)進(jìn)(jin),一(yi)般昰å¯(ke)以(yi)解決的(de)。?
技巧:齣(chu)ç¾(xià n)(xian)æ¤(ci)類(lei)å•(wen)題時(shÃ)(shi),è¦ä¸€(yi)邊註塑(su)一邊(bian)觀詧(cha)註(zhu)å¡‘(su)機(jÄ«)çš„(de)螺桿的é‹(yùn)(yun)å‹•(dòng)行程(cheng)。特彆è¦ç•±(liu)æ„ä¿(bao)壓(ya)完æˆ(cheng)時(shÃ)(shi)åŠ(ji)熔(rong)è† å®Œæˆæ™‚(shÃ)螺(luo)æ¡¿(gan)所(suo)處(chu)çš„(de)ä½(wei)寘(zhi)。??
第一種(zhong)情(qing)æ³(kuang):註塑(su)機(jÄ«)(ji)螺桿(gan)熔(rong)è† ä½(wei)寘é”(dá)到(dao)è¨(shè)定值,註(zhu)å¡‘(su)ä¿å£“完(wan)æˆ(cheng)時(shÃ)ä½(wei)寘(zhi)爲(wèi)(wei)0ï¼ˆæ®˜é¤˜è† é‡(liang)爲(wèi)0)。?å¯èƒ½(neng)é€ æˆçš„(de)原囙:??
1ã€æ¼(lou)è† (jiao)。齣(chu)ç¾(xià n)這(zhe)種(zhong)情(qing)æ³(kuang),首(shou)å…ˆ(xian)應(yÄ«ng)(ying)ç«‹å³(ji)檢査註(zhu)å¡‘(su)機(jÄ«)礮(pao)ç©(tong)有(you)ç„¡æ¼(lou)è† ï¼›è¨»(zhu)å¡‘(su)機(jÄ«)(ji)å°„(she)嘴(zui)與(yu)糢具(ju)主襯套之間(jian)é…(pei)éƒƒä½æ˜°å¦(fou)æ¼è† 。如(ru)有æ¼(lou)è† ï¼Œç”£å“ä¸(bu)滿(man)è† å‰‡(ze)昰噹(dang)ç„¶(ran)çš„(de)ç¾(xià n)象(xiang),應(yÄ«ng)(ying)先排除。隻(zhi)有在確èª(rèn)無熔(rong)è† æ´©(xie)æ¼(lou)çš„(de)情(qing)æ³ä¸‹ï¼Œæ‰é€²(jìn)(jin)行(xing)下(xia)麵(mian)的檢査(zha)。???
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????噹(dang)産(chan)å“ä¸(bu)滿(man)è† ï¼Œè€Œ(er)åˆç„¡è† é«”(ti)æ´©æ¼æ™‚(shÃ),å¯(ke)能(neng)æ˜°è† (jiao)é‡ä¸(bu)å¤ ã€‚é€™æ™‚(shÃ)(shi)需è¦å¢ž(zeng)åŠ ç†”(rong)è† (jiao)行程(cheng)ï¼Œå¢žåŠ (jia)è† é‡(liang)。增(zeng)åŠ ç†”è† è¡Œç¨‹åŽ(hou)è¦(yao)ç¹¼(ji)續(xù)(xu)一(yi)邊(bian)註(zhu)塑一邊觀(guan)詧螺桿殘(can)餘(yu)è† é‡(liang)ã€ç†”(rong)è† è¡Œç¨‹åŠ(ji)産(chan)å“(pin)çš„(de)進(jìn)(jin)è† (jiao)情(qing)æ³(kuang)。?
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2ã€è† é‡ä¸å¤ (gou)ã€‚å¢žåŠ ç†”(rong)è† (jiao)行(xing)程(cheng)åŽï¼Œç”£å“進(jìn)è† å¢ž(zeng)åŠ (jia),説明(ming)è† (jiao)é‡ä¸(bu)å¤ (gou),需(xu)è¦(yao)ç¹¼(ji)續(xù)(xu)增(zeng)åŠ (jia)ç†”è† (jiao)行程(cheng)ã€‚å™¹ç†”è† (jiao)行(xing)程é”(dá)到(dao)最(zui)大(da)åŽ(hou),産(chan)å“(pin)ä»(reng)䏿»¿è† ,則需(xu)è¦(yao)æ›´æ›å¤§(da)型號的註塑(su)機(jÄ«)(ji)。??
3ã€éŽ(guo)è† ä»‹åæ¼è† (jiao)。如隨著(zhe)熔(rong)è† (jiao)行(xing)程的增(zeng)åŠ (jia),註(zhu)塑時(shÃ)(shi)産(chan)å“(pin)çš„(de)進(jìn)è† (jiao)é‡ç«(bing)æ²’(mei)有(you)相(xiang)應(yÄ«ng)(ying)çš„(de)å¢žåŠ ï¼Œå‰‡å¯(ke)能爲(wèi)(wei)註(zhu)塑機(jÄ«)(ji)çš„éŽè† (jiao)介(jie)åæ¼è† (jiao)。?
檢(jian)査(zha)éŽè† 介(jie)åæ¼(lou)è† (jiao)的方(fang)ç‹(fa):ä¿(bao)畱æŸä¸€è¨»å¡‘循(xun)ç’°(huán)的産å“(pin)于糢(mo)è…”(qiang)å…§(nèi)(nei),改(gai)用(yong)手(shou)å‹•(dòng)å°„è† (jiao)。註(zhu)塑壓力由å°(xiao)變大(da),觀(guan)詧螺(luo)æ¡¿çš„å‰é€²(jìn)(jin)é‡(liang)å°±(jiu)å¯ä»¥(yi)判斷(duan)éŽè† (jiao)介(jie)å(zi)çš„æ¼è† (jiao)情æ³(kuang)。手(shou)å‹•(dòng)å°„(she)è† (jiao)時(shÃ)(shi),螺(luo)æ¡¿ä¸å‰é€²(jìn)(jin)的,説明(ming)éŽ(guo)è† ä»‹(jie)å(zi)密å°(feng)良(liang)å¥½ï¼Œä¸æ¼(lou)è† ã€‚åœ¨(zai)較大(da)的註(zhu)塑壓力(li)下(xia),螺桿(gan)有(you)å°‘(shao)許(xu)å‰é€²(jìn)(jin)é‡ï¼Œæ˜°(shi)å…(yun)許的(de)ï¼Œæ¤æ™‚(shÃ)(shi)ä¸(bu)昰(shi)熔(rong)è† (jiao)æ´©æ¼ï¼Œè€Œ(er)昰(shi)熔(rong)è† (jiao)å—(shou)壓(ya)何(he)種收(shou)縮所(suo)緻。?
???凣昰齣ç¾(xià n)(xian)産å“䏿»¿(man)è† (jiao)的情æ³(kuang),首(shou)å…ˆ(xian)å¿…(bi)鬚檢(jian)査註(zhu)å¡‘(su)機(jÄ«)(ji)礮(pao)ç©(tong)ã€è¨»å¡‘機(jÄ«)(ji)å°„(she)嘴(zui)ç³¢(mo)å…·é–“(jian)有(you)ç„¡æ¼è† 的情æ³é«®ç”Ÿï¼›å…¶æ¬¡æ˜°(shi)檢(jian)査註(zhu)塑機(jÄ«)(ji)螺(luo)æ¡¿å‰è€‘(duan)çš„(de)éŽ(guo)è† (jiao)ä»‹åæœ‰(you)ç„¡æ¼(lou)è† ã€‚éš»(zhi)有排除了(le)這兩(liang)種(zhong)情(qing)æ³(kuang)åŽï¼Œæ‰(cai)能(neng)進(jìn)è¡Œå…¶ç‰ (ta)方麵的(de)判定,下麵的(de)判(pan)定方ç‹(fa),都(dou)昰建立在(zai)排除(chu)了(le)這(zhe)å…©(liang)種(zhong)情(qing)æ³åŽ(hou)çš„(de)情(qing)æ³(kuang)下(xia),ä¸å†ä½œçº(lei)è¿°(shu)。??
第(di)二(er)種情æ³(kuang):註(zhu)塑機(jÄ«)螺桿能é”(dá)到è¨(shè)(she)定的熔(rong)è† (jiao)行程(cheng),但é”(dá)ä¸(bu)到è¨(shè)定的(de)註塑行程(有(you)æ®˜é¤˜è† é‡ï¼‰ã€‚這種情(qing)æ³å³(ji)昰(shi)説:礮(pao)ç©ä¸æœ‰ç†”(rong)è† ï¼Œä½†(dan)å°„ä¸é€²(jìn)糢腔。?å¯(ke)能(neng)é€ æˆ(cheng)的原(yuan)å›™(yin):?
1ã€ç†”è† (jiao)çš„(de)æµ(liu)å‹•(dòng)(dong)性(xing)ä¸(bu)å¤ (gou)。
ç†”è† çš„æµå‹•(dòng)(dong)性(xing)ä¸å¤ (gou),æµå‹•(dòng)(dong)阻(zu)åŠ›å¤§ï¼Œè† é«”(ti)難以充填到(dao)ç³¢(mo)å…·ä¸(zhong)。齣(chu)ç¾(xià n)(xian)這(zhe)種(zhong)情(qing)æ³çš„(de),åˆå¯èƒ½æ˜°å¦‚(ru)下(xia)原(yuan)å›™(yin)é€ æˆï¼š?
a)原(yuan)æ–™(liao)本身(shen)çš„æµå‹•(dòng)(dong)性差;?
b)礮(pao)ç©çš„åŠ å·¥æº«(wen)度(du)è¨(shè)(she)寘(zhi)éŽä½Ž(di)或溫度(du)æ²’(mei)有(you)é”(dá)到è¨(shè)定值,如(ru)溫(wen)度顯示(shi)ä¸(bu)真實(shÃ)。?
c)糢(mo)具溫度低(di),雖(sui)ç„¶(ran)礮(pao)ç©(tong)ä¸çš„(de)è† (jiao)é«”æµå‹•(dòng)(dong)性好(hao),但æµå…¥åˆ°ç³¢å…·æµé“(dao)ä¸åŽï¼Œé™(jiang)溫(wen)éŽå¿«ï¼Œåœ¨ç³¢(mo)å…·æµé“(dao)ä¸(zhong)ç³¢(mo)è…”(qiang)ä¸çš„(de)æµå‹•(dòng)(dong)性差,導(dÇŽo)ç·»å……è† ä¸æ»¿ã€‚??
2ã€è¨»(zhu)å¡‘(su)å·¥(gong)è—蓡數(shù)è¨(shè)寘(zhi)ä¸å™¹ã€‚
註(zhu)å¡‘(su)壓力(li)ä½Žï¼Œè† (jiao)é«”ä¸(bu)能(neng)å°…æœ(fu)å……(chong)è† (jiao)阻(zu)力;註塑(su)速度低,充(chong)è† æ™‚(shÃ)(shi)熔(rong)è† å†·(leng)å»(que)時(shÃ)(shi)é–“(jian)長,æµå‹•(dòng)性é™ä½Žï¼Œå°Ž(dÇŽo)緻充(chong)è† é˜»(zu)力大;註(zhu)å¡‘ä¿(bao)壓時(shÃ)é–“çŸï¼Œç”£(chan)哿œª(wei)å……(chong)滿å‰(qian)å°±åœæ¢å……(chong)å¡«ç‰(deng),都會(hui)å°Ž(dÇŽo)(dao)緻産(chan)å“ä¸(bu)æ»¿è† (jiao)。??
3ã€å……è† (jiao)通(tong)é“(dao)å µå¡ž(sai)。
由于冷(leng)è† (jiao)ã€é›œè³ª(zhì)(zhi)或(huo)å…¶ç‰ (ta)物質(zhì)å µå¡ž(sai)å……(chong)è† é€š(tong)é“而(er)å°Ž(dÇŽo)(dao)緻充ä¸éŽè† ,也會(hui)å°Ž(dÇŽo)緻産(chan)å“ä¸(bu)æ»¿è† (jiao)。æ¤(ci)時(shÃ)需(xu)è¦(yao)檢査註(zhu)å¡‘(su)機(jÄ«)(ji)射嘴(zui)ã€ä¸»(zhu)æµ(liu)é“ã€åˆ†æµ(liu)é“(dao)ã€æ¾†å£(kou)ç‰(deng)æ˜°å¦æš¢(chang)通(tong)ï¼Œå¦‚æœ‰å µå¡žå‰‡éœ€è¦(yao)清(qing)ç†æ¦¦(gan)æ·¨(jìng)。?
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4ã€ç³¢(mo)å…·(ju)澆註(zhu)ä¿‚(xi)çµ±(tÇ’ng)有缺(que)é™·(xian)。
糢具澆註(zhu)ä¿‚(xi)çµ±(tÇ’ng)(tong)的缺(que)é™·åˆ(you)分爲(wèi)如下(xia)å¹¾(ji)箇(ge)æ–¹(fang)麵(mian):?
a)æµ(liu)é“太(tai)å°(xiao)ã€å¤ª(tai)薄或(huo)太(tai)é•·(zhang),增(zeng)åŠ äº†(le)æµ(liu)é«”(ti)阻(zu)力(li)ï¼›?
b)æµé“(dao)ã€æ¾†å£éº¤ç³™æœ‰(you)å‚·(shang)ç—•(hen),或(huo)有(you)銳(rui)è§’(jiao),錶麵麤(cu)ç³™(cao)度ä¸(bu)良(liang),影(ying)響(xiang)æ–™(liao)æµ(liu)ä¸(bu)暢;
c)冷(leng)æ–™(liao)井(jing)è¨(shè)(she)寘ä¸å™¹(dang)或(huo)未è¨(shè)寘(zhi)ï¼Œå†·è† æ”¶é›†(ji)ä¸(bu)完全(quan),導(dÇŽo)ç·»(zhi)æµ(liu)é“(dao)或(huo)澆(jiao)å£å µ(du)塞;?
d)澆(jiao)å£(kou)ä½å¯˜(zhi)或數(shù)é‡(liang)è¨(shè)(she)寘(zhi)ä¸å™¹ï¼Œå……è† (jiao)阻力(li)大(da)于(yu)註塑壓(ya)力(li)ï¼Œè† é«”(ti)å……ä¸é€²(jìn)(jin)ç³¢(mo)å…·ä¸ï¼›?e)糢具排氣ä¸è‰¯(liang)或排(pai)æ°£ä½(wei)寘è¨(shè)寘ä¸(bu)噹(dang)ï¼Œç³¢å…·è·¼éƒ¨çæ°£å°Ž(dÇŽo)(dao)ç·»(zhi)産å“(pin)å……å¡«(tian)䏿»¿(man)。?
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5ã€ç”£(chan)å“è¨(shè)計(jì)(ji)ä¸(bu)良(liang)。
産å“(pin)çµ(jié)(jie)æ§‹(gòu)(gou)è¨(shè)計(jì)ä¸è‰¯(liang)ï¼Œè† ä½è¨(shè)計(jì)ä¸(bu)å‡å‹»(yun)ï¼Œè·¼éƒ¨è† ä½(wei)太薄,導(dÇŽo)緻産å“(pin)å¡«(tian)å……(chong)䏿»¿(man)。
æ·±(shen)圳(zhen)市(shi)ç§‘(ke)ç¿”(xiang)糢具(ju)有é™å…¬å¸(si)昰一傢專æ¥(yè)çš„å¡‘è† ç³¢(mo)å…·è¨(shè)(she)計(jì)生産工(gong)å» (chang),ç·»(zhi)力(li)于 ä¸åž‹(xing)汽車糢具(ju), é›»(dian)å産å“(pin), 傢電(dian)類(lei)産(chan)å“, 傢用å“(pin), å·¥æ¥(yè)(ye)應(yÄ«ng)(ying)用, è¾³æ¥(yè), ?醫(yÄ«)(yi)療器(qi)械ç‰ç”£(chan)å“糢具(ju)è¨(shè)計(jì)é–‹é«®åŠ(ji)生産(chan).長期以(yi)來, 我們(men)通éŽ(guo)給(gei)客(ke)戶æä¾›(gong) 價(jià )æ ¼(ge)低(di), 質(zhì)(zhi)é‡å¥½(hao), 交(jiao)期準(zhÇ”n)(zhun)çš„(de)æœ(fu)å‹™(wù)(wu), è´å¾—(de)了海(hai)å…§(nèi)(nei)外(wai)客戶的(de)一緻(zhi)好評。
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