Musamman nauyi: 0.94-0.96g/cm3
Ƙunƙarar ƙira: 1.5-3.6%
Tsarin zafin jiki: 140-220 ℃
Ayyukan kayan aiki
Juriya na lalata, rufin lantarki (musamman maɗaukaki mai ƙarfi) yana da kyau, ana iya yin chlorinated, gyare-gyaren iska mai iska, ƙarfin fiber gilashin samuwa.Ƙananan polyethylene yana da babban ma'aunin narkewa, tsauri, ƙarfi da ƙarfi, ƙarancin shayar ruwa, kyawawan kayan lantarki da juriya na radiation;babban matsa lamba polyethylene yana da kyau sassauci, elongation, tasiri ƙarfi da permeability;matsananci-high kwayoyin nauyi polyethylene yana da babban tasiri ƙarfi, gajiya juriya da sa juriya.
Ƙananan polyethylene ya dace don yin sassa masu juriya da lalata da sassa;babban matsin polyethylene ya dace da yin fina-finai, da dai sauransu;UHMWPE ya dace don yin ɗaukar girgiza, sa juriya da sassan watsawa.
Yin gyare-gyare
1, crystalline abu, kananan danshi sha, ba sa bukatar cikakken bushe, m fluidity, fluidity ne kula da matsa lamba.Allurar matsa lamba ya dace da gyare-gyare, yanayin zafin kayan abu na yau da kullun, saurin cika sauri da isassun matsi.Bai dace a yi amfani da gating kai tsaye ba don hana raguwar rashin daidaituwa da haɓaka damuwa na ciki.Kula da zabin wurin ƙofa don hana raguwa da lalacewa.
2, Shrinkage kewayon da shrinkage darajar ne manyan, da shugabanci a bayyane yake, sauki nakasawa da warpage.Gudun sanyaya ya kamata ya zama jinkirin, kuma ƙirar ya kamata ya sami raƙuman sanyi da tsarin sanyaya.
3. Zama lokaci ya kamata ba dogon, in ba haka ba bazuwa zai faru da konewa.
4, Lokacin da taushi filastik sassa da m gefen tsagi, da mold za a iya tilasta kashe.
5. Rupture na narkewa na iya faruwa kuma kada ya kasance a cikin lamba tare da kwayoyin kaushi don hana fatattaka.
2. PC filastik (polycarbonate)
Musamman nauyi: 1.18-1.20g/cm3
Ƙunƙarar ƙira: 0.5-0.8%
Yanayin zafin jiki: 230-320 ℃
Yanayin bushewa: 110-120 ℃ 8 hours
Ayyukan kayan aiki
Ƙarfin tasiri mai ƙarfi, kwanciyar hankali mai kyau, mara launi da kuma m, mai kyau canza launi, mai kyau lantarki rufi, lalata juriya da abrasion juriya, amma matalauta kai lubrication, danniya fatattaka hali, sauki hydrolysis a high zafin jiki, rashin daidaituwa da sauran resins.
Ya dace da yin ƙananan insulating da m sassa na kayan aiki da tasiri juriya sassa.
Yin gyare-gyare
1, amorphous abu, mai kyau thermal kwanciyar hankali, fadi da kewayon gyare-gyaren zazzabi, matalauta fluidity.Ƙananan shayar danshi, amma mai kula da ruwa, dole ne a bushe.Ƙirƙirar gyare-gyare yana da ƙananan, yana da wuyar narke tsagewa da damuwa, don haka ya kamata a kula da yanayin gyare-gyaren sosai, kuma ya kamata a shafe sassan filastik.
2, high narkewa zafin jiki, high danko, fiye da 200g filastik sassa, ya dace don amfani da dumama irin tsawo bututun ƙarfe.
3, Fast sanyaya gudun, mold zuba tsarin zuwa m, short kamar yadda manufa, ya kamata a kafa sanyi abu da kyau, ƙofar ya kamata a dauka manyan, mold ya kamata a mai tsanani.
4, yawan zafin jiki na abu ya yi ƙasa da ƙasa zai haifar da rashin kayan aiki, sassan filastik ba tare da haske ba, yawan zafin jiki na kayan abu yana da sauƙi don zubar da ruwa, sassan filastik suna blistering.Lokacin da ƙwayar ƙwayar ƙwayar cuta ta ragu, raguwa, haɓakawa da ƙarfin tasiri suna da girma, yayin da lankwasawa, matsawa da ƙarfin ƙarfin ƙarfi suna da ƙasa.Lokacin da zafin jiki ya wuce digiri 120, sassan filastik suna jinkirin yin sanyi kuma suna da sauƙi don lalacewa kuma suna manne da ƙirar.
3. ABS filastik (acrylonitrile butadiene styrene)
Musamman nauyi: 1.05g/cm3
Ƙunƙarar ƙira: 0.4-0.7%
Tsarin zafin jiki: 200-240 ℃
Yanayin bushewa: 80-90 ℃ 2 hours
Ayyukan kayan aiki
1, Better overall yi, mafi girma tasiri ƙarfi, sinadaran kwanciyar hankali, mai kyau lantarki Properties.
2, Good Fusion da 372 Organic gilashi, Ya sanya daga biyu-launi filastik sassa, da kuma surface na iya zama Chrome-plated, fesa Paint magani.
3, akwai babban tasiri, high zafi juriya, harshen retardant, inganta, m da sauran matakan.
4, Rashin ruwa yana da ɗan muni fiye da HIPS, mafi kyau fiye da PMMA, PC, da dai sauransu, kyakkyawan sassauci.
Ya dace da yin sassan injina gabaɗaya, sassa masu jurewa, sassan watsawa da sassan sadarwa.
Yin gyare-gyare
1, amorphous abu, matsakaici fluidity, danshi sha, dole ne a cikakken bushe, da surface bukatun na m filastik sassa dole ne dogon lokaci preheat bushewa 80-90 digiri, 3 hours.
2, Yana da kyau a dauki high abu zazzabi da kuma high mold zafin jiki, amma abu zafin jiki ne ma high da sauki bazu.Domin babban madaidaicin sassa na filastik, zafin jiki ya kamata ya zama digiri 50-60, kuma ga manyan sassan filastik masu tsayayya da zafi, zafin ƙirar ya kamata ya zama digiri 60-80.
3, Idan kana so ka warware matsalar ruwa clamping, kana bukatar ka inganta fluidity na abu, kai high abu zazzabi, high mold zazzabi, ko canza ruwa matakin da sauran hanyoyin.
4, kamar samar da zafi-resistant ko harshen-retardant sa kayan, da surface na mold bayan 3-7 kwanaki na samarwa zai zama filastik bazuwar, sakamakon da mold surface m, da mold bukatar da za a tsabtace a dace hanya. yayin da mold surface bukatar ƙara shaye matsayi.
4, PP filastik (polypropylene)
Musamman nauyi: 0.9-0.91g/cm3
Ƙunƙarar ƙira: 1.0-2.5%
Tsarin zafin jiki: 160-220 ℃
Yanayin bushewa: -
Kaddarorin kayan aiki
Ƙananan yawa, ƙarfi, taurin kai, taurin da juriya na zafi sun fi polyethylene ƙananan matsa lamba, ana iya amfani da su a kusan digiri 100.Kyawawan kaddarorin wutar lantarki da maɗauri mai ƙarfi zafi baya shafar su, amma ya zama mai karyewa a ƙananan zafin jiki kuma baya jure ƙura kuma mai sauƙin tsufa.
Ya dace don yin sassan injina na gabaɗaya, sassan juriya da lalata da sassa masu rufewa.
Yin gyare-gyare
1, crystalline abu, danshi sha ne kananan, sauki narke rugujewar jiki, dogon lokaci lamba tare da zafi karfe sauki bazuwa.
2, ruwa mai kyau, amma kewayon raguwa da ƙimar raguwa yana da girma, mai sauƙin faruwa shrinkage, haƙora, nakasawa.
3, Fast sanyaya gudun, zuba tsarin da kuma sanyaya tsarin ya kamata a yi jinkirin watsa zafi, da kuma kula da sarrafa gyare-gyaren zazzabi.Jagorancin ƙananan zafin jiki yana bayyane, musamman a ƙananan zafin jiki da matsa lamba.Lokacin da zafin jiki ya kasance ƙasa da digiri 50, sassan filastik ba su da santsi, sauƙi don samar da fusion mara kyau, barin alamomi, kuma sama da digiri 90, mai sauƙi don jujjuyawa da lalacewa.
4, kaurin bangon filastik dole ne ya zama daidai, kauce wa rashin mannewa, sasanninta masu kaifi, don hana damuwa da damuwa.
Musamman nauyi: 1.05g/cm3
Ƙunƙarar ƙira: 0.6-0.8%
Tsarin zafin jiki: 170-250 ℃
Yanayin bushewa: -
Ayyukan kayan aiki
Ƙwararren lantarki (musamman maɗaukaki mai mahimmanci) yana da kyau, mara launi da kuma m, hasken watsawa shine na biyu kawai ga gilashin kwayoyin halitta, canza launi, juriya na ruwa, kwanciyar hankali na sinadaran yana da kyau.Ƙarfin gaba ɗaya, amma gaggautsa, mai sauƙin samar da damuwa ga fashewa, baya jurewa ga benzene, fetur da sauran kaushi na halitta.
Ya dace da yin insulating da m sassa, kayan ado sassa da sassa na sinadarai da kayan aikin gani.
Ƙirƙirar aiki
1, kayan amorphous, ƙananan ƙarancin danshi, ba sa buƙatar bushewa cikakke, ba sauƙin bazuwa ba, amma haɓakar haɓakar thermal yana da girma, mai sauƙin samar da damuwa na ciki.Kyakkyawan iya kwarara, akwai don dunƙule ko gyare-gyaren injin allura.
2, High abu zazzabi, high mold zafin jiki da kuma low allura matsa lamba su dace.Tsawaita lokacin allura yana da fa'ida don rage damuwa na ciki da hana raguwa da lalacewa.
3, ana samun su ta nau'i-nau'i daban-daban na kofa, kofa da haɗin baka na filastik, don guje wa lalacewar sassan filastik lokacin zuwa ƙofar.Gandun dajin yana da girma, fitarwar ta kasance ko da, kaurin bangon ɓangaren filastik ko da yake, yana da kyau kada a sami abubuwan da ake sakawa, idan akwai abubuwan da ake sakawa, yakamata a fara zafi.
Lokacin aikawa: Agusta-12-2022