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? ? ? ? ?sales@http://www.annyjewelry.com
地阯(zhi): ? 深圳(zhen)市(shi)光明新(xin)å€(qÅ«)(qu)å…¬(gong)明(ming)è¡—(jie)é“(dao)西(xi)ç”°(tian)社(she)
? ? ? ? ?å€(qÅ«)(qu)第(di)二(er)å·¥(gong)æ¥(yè)å€(qÅ«)24棟Aå€(qÅ«)
註(zhu)å¡‘ç³¢(mo)具熱(re)æµé“(dao)噴嘴尺寸咊(he)澆å£çš„(de)直逕
? ? ?â‘ å™´(pen)嘴澆(jiao)å£å°ºå¯¸è¨(shè)(she)計(jì)。在(zai)熱(re)æµ(liu)é“ä¿‚çµ±(tÇ’ng)(tong)å…ƒ(yuan)ä»¶(jian)的所(suo)有幾(ji)何(he)特徴ä¸(zhong),澆(jiao)å£(kou)å°º(chi)寸(cun)å°(duì)(dui)製å“質(zhì)(zhi)é‡çš„(de)影響(xiang)最大。噴(pen)
嘴尺寸的大å°(xiao)咊澆å£çš„(de)直逕,éœ€è¦æ ¹(gen)據(jù)熔(rong)æ–™(liao)çš„(de)æµå‹•(dòng)性åŠè£½å“的尺寸大å°ã€å£(bi)厚(hou)情æ³(kuang)確定。
? ? ? ? ?噴嘴(zui)尺寸主(zhu)è¦æ±ºå®š(ding)于註(zhu)å°„é‡(liang)å’Šå¡‘(su)æ–™(liao)çš„æµå‹•(dòng)(dong)性(xing)能。噴(pen)嘴使(shi)用的(de)極é™(xian)蓡數(shù)(shu),基(ji)本上爲(wèi)(wei)熔(rong)é«”é€šéŽæµé“çš„
å…許(xu)æµ(liu)å‹•(dòng)速率åŠå¡‘æ–™å…許剪切(qie)速率(lv)å’Š(he)噴嘴(zui)å…§(nèi)的壓(ya)力(li)é™ã€‚熔(rong)é«”(ti)çš„é»(nian)度越大,æµå‹•(dòng)(dong)速率的(de)å…(yun)許值(zhi)è¶Š(yue)å°ã€‚爲(wèi)了(le)
幫(bang)助(zhu)鏿“‡(ze)噴嘴,ä¾›(gong)應(yÄ«ng)(ying)商(shang)ç¶“(jÄ«ng)常(chang)分(fen)彆(bie)給齣æµ(liu)å‹•(dòng)性(xing)好(hao)ã€ä¸(zhong)ç‰(deng)ã€å·®(cha)çš„(de)塑料的註(zhu)å°„é‡è¨±ç”¨(yong)值,見(jian)錶(biao)10-5。有(you)時(shÃ)還給(gei)
é½£å…(yun)許(xu)çš„(de)å™´(pen)嘴長(zhÇŽng)(zhang)度(du)ã€‚é€™äº›å»ºè°æ˜°(shi)æš«(zan)時(shÃ)性(xing)çš„(de),囙爲(wèi)箇彆(bie)å¡‘æ–™å¯ä»¥ç”Ÿ(sheng)産(chan)å„(ge)種(zhong)é»åº¦çš„(de)一(yi)ä¿‚(xi)列物料。如(ru)PPå’Š(he)PC
å¯(ke)å…·(ju)有較(jiao)寬範(fà n)åœçš„é»(nian)度值(zhi)。如(ru)è“(guo)以å…許(xu)æµ(liu)å‹•(dòng)速率作爲(wèi)判(pan)æ–·(duan)標(biÄo)(biao)準(zhÇ”n),é›–ç„¶å¯ä»¥å°(duì)噴嘴(zui)作更(geng)ç²¾(jing)ç¢ºçš„é¸æ“‡,但(dan)é‚„
需è¦(yao)確定註射時(shÃ)é–“(jian)。
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