Na Andy mai ka hale hana Baiyear
Hoʻopuka ʻia ma Nowemapa 2, 2022
Eia ke kikowaena nūhou o ka ʻoihana hoʻoheheʻe injection o Baiyear.Ma hope aʻe, e puʻunaue ʻo Baiyear i ke kaʻina hana hoʻoheheʻe i loko o kekahi mau ʻatikala e hoʻolauna i ka nānā ʻana i nā mea maka o ke kaʻina hana hoʻoheheʻe ʻia, no ka mea he nui loa nā ʻike.ʻO ka ʻatikala ʻelima aʻe.
(10).POM (Saigang)
1. Hana o POM
ʻO ka POM he plastic crystalline, maikaʻi loa kona rigidity, i kapa ʻia ʻo "race steel".ʻO ka POM kahi mea paʻakikī a elastic me ke kūpaʻa creep maikaʻi, kūpaʻa geometric a me ke kūʻē ʻana i ka hopena a hiki i ka haʻahaʻa haʻahaʻa, loaʻa ke kūpaʻa luhi, ke kūpaʻa ʻana, ke kūpaʻa ʻana, ke kūpaʻa wela a me nā hana maikaʻi ʻē aʻe.
ʻAʻole maʻalahi ka POM e hoʻomohu i ka wai, ʻo ka gravity kikoʻī he 1.42g / cm3, a ʻo ka shrinkage rate he 2.1% (ʻo ka crystallinity kiʻekiʻe o POM ka mea e loaʻa ai kahi kiʻekiʻe kiʻekiʻe, hiki ke kiʻekiʻe e like me 2% ~ 3.5 %, ʻano nui. No nā mea i hoʻoikaika ʻia He ʻokoʻa nā helu shrinkage), paʻakikī ka nui o ka mālama ʻana, a ʻo ka mahana distortion wela he 172 ° C. Loaʻa nā POM i nā mea homopolymer a me nā mea copolymer.
Loaʻa i nā mea homopolymer ka ductility maikaʻi a me ka ikaika luhi, akā ʻaʻole maʻalahi ke hana.Loaʻa i nā mea copolymer ke kūpaʻa wela a me ke kemika a maʻalahi ke hana.ʻO nā mea homopolymer a me nā mea copolymer he mau mea crystalline a ʻaʻole hiki ke komo maʻalahi i ka makū.
2. Nā hiʻohiʻona kaʻina o POM
ʻAʻole pono e hoʻomaloʻo ʻia ka POM ma mua o ka hana ʻana, a ʻoi aku ka maikaʻi o ka hoʻomaʻamaʻa mua ʻana (ma kahi o 100 °C) i ka wā e hana ai, maikaʻi ia no ka paʻa ʻana o ka dimensional huahana.He haiki loa ka pae wela o ka POM (195-215 ℃), a e decompose inā noho ia i loko o ka pahu no kahi lōʻihi a i ʻole ke kiʻekiʻe o ka mahana ma mua o 220 ℃ (190 ~ 230 ℃ no nā mea homopolymer; 190 ~ 210 ℃ no mea copolymer).ʻAʻole pono ke kiʻekiʻe ka wikiwiki o ka wili, a ʻo ka nui o ke koena e liʻiliʻi.
Hoʻemi nui nā huahana POM (i mea e hōʻemi ai i ka emi ʻana o ka emi ʻana ma hope o ka hoʻoheheʻe ʻana, hiki ke hoʻohana ʻia kahi mahana wela kiʻekiʻe), a ua maʻalahi ke emi a i ʻole ke ʻano.He wela kūikawā nui ko POM a me ka mahana wela kiʻekiʻe (80-105 ° C), a he wela loa ka huahana ma hope o ka hoʻohaʻahaʻaʻana, no laila pono e pale i nā manamana lima mai ka wela.ʻO 700 ~ 1200bar ka paʻi injection, a pono e hoʻoheheʻe ʻia ka POM ma lalo o nā kūlana o ke kaomi maʻamau, ka wikiwiki wikiwiki a me ka mahana wela kiʻekiʻe.
Hiki i nā mea holo a me nā ʻīpuka ke hoʻohana i kekahi ʻano ʻīpuka.Inā hoʻohana ʻia kahi puka tunnel, ʻoi aku ka maikaʻi o ka hoʻohana ʻana i ke ʻano pōkole.Paipai ʻia nā mea holo nozzle wela no nā mea homopolymer.Hiki ke hoʻohana ʻia nā kukini wela o loko a me nā kukini wela waho no nā mea copolymer.
3. Laulā noi maʻamau:
He haʻahaʻa haʻahaʻa loa ka POM o ka friction a me ke kūpaʻa geometric maikaʻi, kūpono loa no ka hana ʻana i nā mea hana a me nā bearings.No ka loaʻa ʻana o nā waiwai kūpaʻa kiʻekiʻe, hoʻohana ʻia ia i nā mea paipu (pipeline valves, pump houses), lawn equipment, etc.
(11), PC (lui pale pale)
1. PC hana
ʻO ka polycarbonate kahi resin thermoplastic i loaʻa nā loulou -[ORO-CO]-i loko o ke kaulahao lauoho molekala.Wahi a nā pūʻulu ester like ʻole i loko o ka molecular structure, hiki ke hoʻokaʻawale ʻia i nā ʻano aliphatic, alicyclic a me aliphatic-aromatic.ʻO ka waiwai he polycarbonate aromatic, a ʻo ka bisphenol A type polycarbonate ka mea nui loa, a ʻo ke kaumaha o ka molekala he 30,000-100,000.
ʻO ka PC he amorphous, ʻaʻala ʻole, ʻaʻohe mea ʻawaʻawa, ʻeleʻele ʻeleʻele a i ʻole melemele thermoplastic ʻenekini plastik me nā waiwai kino a me nā ʻano mechanical maikaʻi loa, ʻoi aku ka maikaʻi o ka hopena hopena, ka ikaika tensile kiʻekiʻe, ka ikaika flexural a me ka ikaika compressive;ʻO ka paʻakikī maikaʻi, ka wela maikaʻi a me ke kūpaʻa ʻana i ka wā, maʻalahi ke kala, haʻahaʻa haʻahaʻa wai.
He 135-143 °C ka mahana deformation thermal o PC, me ka li'ili'i kolo a me ka nui pa'a;maikaʻi ka wela a me ka haʻahaʻa haʻahaʻa haʻahaʻa, a paʻa nā waiwai mechanical, dimensional stability, uila waiwai a me ke kū'ē i ka laulā wela.Flammability, hiki ke hoʻohana no ka manawa lōʻihi ma -60 ~ 120 ℃;ʻaʻohe wahi hoʻoheheʻe maopopo, hoʻoheheʻe ʻia ma 220-230 ℃;ma muli o ka rigidity kiʻekiʻe o ke kaulahao mole, nui ka resin melt viscosity;ka wai absorption rate mea uuku, a me ka shrinkage rate he uuku (maʻamau 0.1 % ~ 0.2%), kiʻekiʻe dimensional pololei, maikai dimensional paʻa, a me ka haʻahaʻa ea permeability o ke kiʻiʻoniʻoni;he mea kinai iho;paʻa i ka mālamalama, akā ʻaʻole kūʻē i ka UV, a maikaʻi ke kūpaʻa i ka wā;
ʻO ka pale ʻana i ka aila, ka pale ʻana i ka waika, ke kūpaʻa alkali ikaika, ka waikawa oxidizing, ka amine, ka ketone, hiki ke hoʻoheheʻe ʻia i loko o nā hydrocarbons chlorinated a me nā mea hoʻoheheʻe aromatic, inhibiting bacteria, flame retardant a me ka pollution resistance, maʻalahi e hana i ka hydrolysis a me ka haki ʻana i ka wai no ka manawa lōʻihi, ʻO ka hemahema ʻo ia. He mea maʻalahi ia i ke koʻikoʻi ma muli o ke kūpaʻa luhi maikaʻi ʻole, ke kūpaʻa ʻana i ka solvent, ka maikaʻi ʻole o ka wai a me ke kūpaʻa ʻino.Hiki i ka PC ke hoʻoheheʻe ʻia, hoʻokuʻu ʻia, hoʻoheheʻe ʻia, puhi thermoformed, paʻi ʻia, hoʻopaʻa ʻia, uhi ʻia a me ka mīkini, ʻo ke ʻano hana koʻikoʻi ʻo ka hoʻoheheʻe ʻana.
2. Kaʻina hana o PC
ʻOi aku ka maʻalahi o ka mea PC i ka mahana, hoʻemi nui kona viscosity melt me ka piʻi ʻana o ka mahana, wikiwiki ke kahe, a ʻaʻole pili i ke kaomi.Pono e hoʻomaloʻo ʻia ka mea PC ma mua o ka hana ʻana (e pili ana i 120 ℃, 3 ~ 4 mau hola), a pono e hoʻomalu ʻia ka wai i loko o 0.02%.ʻO ka nui o ka makū i hana ʻia i ka wela kiʻekiʻe e hoʻohua ai ka huahana i ka waihoʻoluʻu keʻokeʻo keʻokeʻo, nā ʻili kālā a me nā ʻōhū, a me ka PC ma ka lumi wela He nui ka ikaika o ka hiki ke hoʻololi i ka elastic deformation.ʻO ka paʻakikī hopena kiʻekiʻe, no laila hiki ke paʻi anu, huki anu, ʻōwili anu a me nā kaʻina hana anu.
Pono e hoʻokumu ʻia ka mea PC ma lalo o nā kūlana o ke kiʻekiʻe o ka mea wela, ke kiʻekiʻe kiʻekiʻe a me ke kaomi kiʻekiʻe a me ka wikiwiki wikiwiki.E hoʻohana i ka hoʻoheheʻe haʻahaʻa no nā puka liʻiliʻi a me ka hoʻokele kiʻekiʻe no nā ʻano ʻīpuka ʻē aʻe.ʻOi aku ka maikaʻi o ka mālama ʻana i ka mahana ma kahi o 80-110 °C, a ʻoi aku ka maikaʻi o ka mahana hoʻoheheʻe ʻana he 280-320 °C.ʻO ka ʻili o ka huahana PC he mea maʻalahi i ka pua ʻana o ka ea, ʻo ke kūlana nozzle e pili ana i nā kaha ea, nui ke koʻikoʻi o loko, a maʻalahi ke haki.
No laila, ʻoi aku ka kiʻekiʻe o nā koi hoʻoheheʻe ʻana o nā mea PC.Loaʻa ka haʻahaʻa haʻahaʻa o ka mea PC (0.5%) a ʻaʻohe hoʻololi ʻana.Hiki ke hoʻopili ʻia nā huahana i hana ʻia mai ka PC e hoʻopau i ko lākou kaumaha kūloko.ʻOi aku ka nui o ke kaumaha o ka PC no ka extrusion ma mua o 30,000, a pono e hoʻohana ʻia kahi wili hoʻoemi lohi, me ka lōʻihi-a-diameter ratio o 1:18~24 a me ka lākiō kaomi o 1:2.5.Hiki ke hoʻohana ʻia ka pahu hoʻoheheʻe extrusion, injection-blow, injection-pull-blow molding.Kiʻekiʻe kiʻekiʻe, kiʻekiʻe alohilohi'ōmole.
3.Typical noi laha:
ʻO nā wahi noi nui ʻekolu o ka PC ʻo ia ka ʻoihana hui aniani, ʻoihana automotive a me nā uila, ʻoihana uila, ukali ʻia e nā ʻāpana mīkini ʻenehana, nā disc optical, nā lole kīwila, nā kamepiula a me nā lako keʻena ʻē aʻe, ka mālama olakino a me ke olakino, kiʻiʻoniʻoni, leʻaleʻa a me nā lako pale. etc.
(12).EVA
1. EVA hana:
ʻO ka EVA he plastic amorphous, ʻaʻohe mea ʻawaʻawa, me ka umekaumaha kikoʻī o 0.95g/cm3 (ʻoi aku ka māmā ma mua o ka wai).ʻO ka nui o ka emi ʻana he nui (2%), a hiki ke hoʻohana ʻia ʻo EVA ma ke ʻano he mea lawe o ka masterbatch kala.
2. Kaʻina hana o EVA:
He haʻahaʻa haʻahaʻa haʻahaʻa ka EVA (160-200 ° C), he ākea ākea, a he haʻahaʻa kona wela wela (20-45 ° C), a pono e hoʻomaloʻo ʻia ka mea (ka mahana maloʻo 65 ° C) ma mua o ka hana ʻana.ʻAʻole maʻalahi ke kiʻekiʻe o ka mahana o ka mold a me ka wela o ka mea i ka wā e hana ai ʻo EVA, inā ʻaʻole e paʻakikī ka ʻili (ʻaʻole maʻalahi).Maʻalahi nā huahana EVA e hoʻopili i ka ʻōpala mua, a ʻoi aku ka maikaʻi o ka hana ʻana i kahi ʻano buckle ma ka lua mea anuanu o ke kahawai nui o ka nozzle.He maʻalahi ke decompose ke ʻoi aku ka mahana ma mua o 250 ℃.Pono ʻo EVA e hoʻohana i nā kūlana kaʻina o ka "haʻahaʻa haʻahaʻa, ke kaomi waena a me ka wikiwiki waena" e hana i nā huahana.
(13), PVC (polyvinyl chloride)
1. Hana o PVC:
He plastic amorphous ka PVC me ke kūpaʻa wela maikaʻi ʻole a hiki ke hoʻoheheʻe ʻia (e alakaʻi ʻia nā ʻāpana wela hoʻoheheʻe kūpono i nā pilikia decomposition).He paʻakikī ka PVC e puhi (maikaʻi ka lapalapa ahi), kiʻekiʻe viscosity, maikaʻi ʻole ka wai, ikaika kiʻekiʻe, kū i ka wā a me ke kūpaʻa geometric maikaʻi loa.I ka hoʻohana pono, hoʻohui pinepine nā mea PVC i nā stabilizers, lubricants, auxiliary processing agents, pigments, impact resistance agents a me nā mea hoʻohui ʻē aʻe.
Nui nā ʻano o ka PVC, i māhele ʻia i PVC palupalu, semi-rigid a rigid, ʻo 1.1-1.3g / cm3 ka nui (ʻoi aku ke kaumaha ma mua o ka wai), nui ka nui o ka shrinkage (1.5-2.5%), a ʻo ka shrinkage rate he nui. haʻahaʻa loa, maʻamau 0.2 ~ 0.6%, ʻilihune ka ʻili o nā huahana PVC, (ua hoʻomohala ʻo ʻAmelika Hui Pū ʻIa i kahi PVC paʻa pono e hoʻohālikelike ʻia me PC).He kūpaʻa loa ka PVC i nā mea hoʻoheheʻe, nā mea hoʻemi a me nā waikawa ikaika.Eia naʻe, hiki ke hoʻopōʻino ʻia e nā ʻakika oxidizing concentrated e like me ka waikawa sulfuric concentrated a me ka waikawa nitric concentrated a ʻaʻole kūpono no ka hoʻopili ʻana me nā hydrocarbons aromatic a me nā hydrocarbons chlorinated.
2. Kaʻina hana o PVC:
Ke hoʻohālikelike ʻia me PVC, ʻoi aku ka liʻiliʻi o ka pae wela o ka hana (160-185 ℃), ʻoi aku ka paʻakikī o ka hana ʻana, a ʻoi aku ka kiʻekiʻe o ke kaʻina hana.ʻO ka maʻamau, ʻaʻole koi ʻia ka hoʻomaloʻo ʻana i ka wā o ka hana ʻana (inā makemake ʻia ka maloʻo, pono e lawe ʻia ma 60-70 ℃).He haʻahaʻa ka mahana mold (20-50 ℃).
Ke hanaʻia ka PVC, he mea maʻalahi ka hanaʻana i nā laina ea, nā lainaʻeleʻele, a me nā mea'ē aʻe. Pono e hoʻomalu ponoʻia ka mahana hana (ka mahana hana 185 ~ 205 ℃), hiki ke piʻi ka nui o ka injection e like me 1500bar, a hiki ke hoʻopaʻa i ke kaomi. ka nui e like me 1000bar.I mea e pale aku ai i ka hoʻohaʻahaʻa waiwai, maʻamau Me ka wikiwiki hoʻohālikelike like, pono e emi ka wikiwiki o ka screw (ma lalo o 50%), pono e emi ke koena, a ʻaʻole kiʻekiʻe loa ke kaomi hope.
ʻOi aku ka maikaʻi o ka hoʻoheheʻe ʻia.ʻO ka manawa noho o nā mea PVC i loko o ka pahu wela kiʻekiʻe ʻaʻole pono ma mua o 15 mau minuke.Ke hoʻohālikelikeʻia me PVC,ʻoi aku ka maikaʻi o ka hoʻohanaʻana i nā hua wai nui i loko o ke kāpili, aʻoi aku ka maikaʻi o ka hoʻohanaʻana i nā kūlana o ka "medium pressure, slow speed and low temperature" no ka hanaʻana a me ka hana.Ke hoʻohālikelike ʻia me nā huahana PVC, ʻoi aku ka maʻalahi o ka hoʻopili ʻana i ka mold mua.ʻAʻole pono e wikiwiki ka wehe ʻana o ka mold (ka pae mua).ʻOi aku ka maikaʻi o ka hana ʻana i ka nozzle i loko o ka lua mea anuanu o ka mea holo.ʻOi aku ka maikaʻi o ka hoʻohana ʻana i nā mea nozzle PS (a i ʻole PE) mea) e hoʻomaʻemaʻe i ka pahu e pale ai i ka decomposition o PVC e hana i ka Hd↑, kahi e hoʻopau ai i ka wili a me ka paia o loko o ka barela.Hiki ke hoʻohana ʻia nā ʻīpuka maʻamau a pau.
Inā hoʻohana ʻia nā ʻāpana liʻiliʻi, ʻoi aku ka maikaʻi o ka hoʻohana ʻana i ka puka piko a i ʻole ka puka i lalo;no nā ʻāpana mānoanoa, ʻoi aku ka maikaʻi o ka puka pā.ʻO ke anawaena haʻahaʻa o ka ʻīpuka piko a i ʻole ka puka i loko o ka wai he 1mm;ʻaʻole e emi ka mānoanoa o ka puka peʻa ma mua o 1mm.
3. Laulā noi maʻamau:
ʻO nā paipu wai, nā paipu hale, nā pā pā hale, nā pahu mīkini kalepa, nā huahana uila, nā mea lapaʻau, nā meaʻai, etc.
E hoʻomau ʻia, inā makemake ʻoe e ʻike hou aku, e ʻoluʻolu e hoʻokaʻaʻike mai iā mākou.ʻO Baiyear kahi hale hana piha piha nui e hoʻohui ana i ka hana ʻana i ka mold plastic, injection molding a me ka hoʻoili metala.A i ʻole hiki iā ʻoe ke hoʻomau i ka hoʻolohe ʻana i ke kikowaena nūhou o kā mākou pūnaewele mana: www.baidasy.com, e hoʻomau mākou i ka hoʻonui ʻana i ka nūhou ʻike e pili ana i ka ʻoihana hoʻoponopono injection.
Hoʻokaʻaʻike: Andy Yang
He aha ka polokalamu: +86 13968705428
Email: Andy@baidasy.com
Ka manawa hoʻouna: Nov-29-2022
