Transparent epurasitiki Kuumbwa
Tsananguro Pfupi:
Transparent epurasitiki zvigadzirwa zvinoshandiswa zvakanyanya mukugadzirwa kwemaindasitiri uye hupenyu hwevanhu mazuva ano. Transparent epurasitiki jekiseni Kuumbwa inoita basa rakakosha mumunda wepurasitiki unoumba.
Nekuda kwekubatsira kwehuremu hureruka, kuomarara kwakanaka, kuumbwa kuri nyore uye mutengo wakaderera, mapurasitiki ari kuramba achishandiswa kutsiva girazi mune zvigadzirwa zvemazuva ano zveindasitiri uye zvezuva nezuva, kunyanya muzviridzwa zvemaziso uye maindasitiri ekupakata. Asi nekuda kwekuti zvikamu zviri pachena zvinoda kujekesa kwakanaka, kukwirira kwekupfeka kusagadzikana uye kuomarara kwakanaka, basa rakawanda rinofanirwa kuitwa pakurongeka kwepurasitiki uye maitiro, michina uye mafomu eiyo jekiseni maitiro kuona kuti mapurasitiki anoshandiswa kutsiva girazi. (kuno kunzi kunzi mapurasitiki akajeka) vane mhando yepamusoro yepamusoro, kuitira kuti vakwanise kuita zvinodiwa.
Ini-- Kuunzwa kweiyo Transparent Plastics mune Yakajairika Kushandisa
Parizvino, mapurasitiki ari pachena anowanzo shandiswa mumusika ndeye polymethyl methacrylate (PMMA), polycarbonate (PC), polyethylene terephthalate (PET), polyethylene terephthalate-1,4-cyclohexanedimethyl glycol ester (PCTG), Tritan Copolyester (Tritan), yakajeka nylon , acrylonitrile-styrene copolymer (AS), polysulfone (PSF), nezvimwewo Pakati pavo, PMMA, PC nePET ndiwo mapurasitiki anonyanya kushandiswa mujekiseni.
![](http://e8202.quanqiusou.cn/uploads/0801cb3313.png)
Transparent epurasitiki nebwe
2.PC, Polycarbonate)
Pfuma:
(1). Isina kuchena uye yakajeka, kutumira kwe 88% - 90%. Iine simba rakakwirira uye yakagwamba coefficient, yakanyanya kukanganisa simba uye yakafara kushandisa tembiricha renji.
(2). Kubuda pachena uye kudhaya mahara;
(3). Kugadzira shrinkage yakaderera ((0.5% -0.6%) uye kudzikama kwakaringana kwakanaka. Kuwanda 1.18-1.22g / cm ^ 3.
(4). Yakanaka murazvo kudzora uye murazvo kudzora UL94 V-2. Iyo yekupisa deformation tembiricha ingangoita 120-130 ° C.
(5). Zvakanakisa zvemagetsi hunhu, yakanaka kuputira mashandiro (hunyoro, yakanyanya tembiricha inogona zvakare kuchengetedza kugadzikana kwemagetsi, ndicho chinhu chakanakira kugadzira zvemagetsi nemagetsi zvikamu);
(6) HDTis yakakwirira;
(7). Kunaka kwemamiriro ekunze;
(8). PC haina hwema uye haina kukuvadza kumuviri wemunhu uye inoenderana nehutsanana kuchengetedzeka.
Kushanda:
(1). Optical mwenje: inoshandiswa mukugadzira makuru emarambi emwenje, girazi rekudzivirira, kuruboshwe uye kurudyi eyepiece mabharani ezvekushandisa zviridzwa, nezvimwewo. Inogona zvakare kushandiswa zvakanyanya kune zvinhu zviri pachena pane ndege.
(2). Magetsi nemagetsi zvigadzirwa: Polycarbonate chinhu chakanakisa chekudzivirira zvinhu zvekugadzira zvinodzivirira zvinongedzo, mafirita ehwairi, mapaipi ekuisira, inodzivirira matanda, nharembozha uye zvikamu, mabhatiri matanda emaminerari marambi, nezvimwewo. Inogona zvakare kushandiswa kugadzira zvikamu zvine kukwirira kwemhando yepamusoro. , senge macompact discs, nhare, makomputa, marekodhi evhidhiyo, kuchinjana nhare, kudzosera masaini uye mimwe michina yekutaurirana. Polycarbonate yakatetepa yekubata zvakare inoshandiswa zvakanyanya se capacitor PC firimu inoshandiswa kuputira mabhegi, matepi, mavara evhidhiyo, nezvimwe.
(3). Mashini nemidziyo: Inoshandiswa kugadzira magiya akasiyana siyana, maraki, magiya ehonye, mabheyaringi, makamera, mabhaudhi, levers, crankshafts, ratchets uye zvimwe zvikamu zvemuchina nemidziyo, senge makomba, mabutiro uye mafuremu.
(4). Zvigadzirwa zvekurapa: makapu, masirinda, mabhodhoro, zvishandiso zvemeno, midziyo yemishonga uye zvekuvhiya zvinogona kushandiswa pakurapa, uye kunyangwe itsvo dzakagadzirwa, mapapu ekugadzira uye dzimwe nhengo dzakagadzirwa.
3.PET (Polyethylene terephthalate)
Pfuma:
(1). PET resin ndeye opalescent translucent kana isina kuchena yakajeka, ine huremu hwehukama 1.38g / cm ^ 3 uye transmittance 90%.
(2). PET mapurasitiki ane akanaka oparesheni zvinhu, uye amorphous PET mapurasitiki ane akanaka emeso pachena.
(3) .Tensile simba rePET rakanyanya kukwirira, rino nekatatu iro rePC. Iyo ine kuomarara kukuru mu thermoplastic plastiki nekuda kwekumira kwayo kwakanaka kune U-shanduko, kuneta uye kukweshera, kusapfeka kwakaderera uye kuomarara kwakanyanya. Iyo inogadzirwa muzvitete-zvine masvingo zvigadzirwa senge mabhodhoro epurasitiki uye mafirimu uye epurasitiki mafirimu.
(4). Hot deformation tembiricha 70 ° C. Flame retardant yakaderera kune PC
(5). Mabhodhoro ePET akasimba, akajeka, haana-chepfu, haapindike uye akareba uremu.
(6). Mamiriro ekunze akanaka uye anogona kushandiswa panze kwenguva yakareba.
(7). Kuiswa kwemagetsi kuita kwakanaka, uye hakukanganisike nekupisa.
Kushanda:
(1). Kushanda kwehombodo yekupakata: Kushanda kwayo kwakagadzirwa kubva pachinwiwa chekabhoni kusvika kubhodhoro redoro, bhodhoro remafuta rinodyiwa, bhodhoro remafuta, bhodhoro remushonga, bhodhoro rekuzora nezvimwewo.
(2). Zvigadzirwa zvemagetsi nemagetsi: zvigadzirwa zvekugadzira, macoil anotenderera machubhu, akasanganiswa wedunhu makomba, capacitor makoko, shanduko matemba, TV zvishongedzo, tuners, switch, timer makomboni, otomatiki fuses, mota mabhureki uye relays, nezvimwe.
(3). Zvemotokari zvishongedzo: sekuparadzira pani yekuvhara, kuvesa koira, mavhavha akasiyana, zvikamu zvekuparadzira, chifukidziro chevashambadziri, chifukidzo chekuyera mudziyo, diki mota chivharo, nezvimwewo, inogona zvakare kushandisa yakanakisa yekumhara chivakwa, pamusoro gloss uye kuomarara kwePET kugadzira mota yekunze zvikamu.
(4). Mashini nemidziyo: yekugadzira giya, cam, pombi dzimba, bhandi pulley, mota furemu uye zvikamu zvewachi, zvakare inogona kushandiswa kune microwave hovhoni yekubheka pani, matenga akasiyana siyana, ekunze mabhodhi uye mamodheru
(5). PET epurasitiki yekuumba maitiro. Inogona kuiswa jekiseni, kuburitswa, kufuridzwa, kuvezwa, kusungwa, kugadzirwa, kugadzirwa nemagetsi, kuchenesa uye kuprindwa.
PET inogona kugadzirwa mufirimu yeiyo ukobvu hwe0.05 mm kusvika 0.12 mm nekutambanudza maitiro. Iyo firimu mushure mekutambanudza ine kuomarara kwakanaka uye kuomarara. Transparent PET firimu ndiyo sarudzo yakanakisa yekudzivirira firimu yeLCD skrini. Panguva imwecheteyo, PET firimu zvakare yakajairika zvinhu zveIMD / IMR nekuda kweayo akanaka michini zvivakwa.
Mhedzisiro mhedzisiro ye PMMA, PC, PET ndeinotevera:
Zvinoenderana nedhata riri muTafura 1, PC isarudzo yakanaka yekuita kwese, asi zvinonyanya kukonzerwa nemutengo wakakwira wezvinhu zvakaomarara uye kuoma kwejekiseni, saka PMMA ichiri sarudzo hombe. (Zvezvigadzirwa nezvakawanda zvinodiwa), nepo PET ichinyanyo shandiswa kuputira nemidziyo nekuti inoda kutambanudzwa kuti uwane yakanaka michina zvivakwa.
II-- Izvo zvimiro zvemuviri uye kushandiswa kwemapurasitiki akajeka anoshandiswa mujekiseni.
Transparent mapurasitiki anofanirwa kutanga ave nehupamhi hwekujeka, uye chechipiri, ivo vanofanirwa kuve nehumwe simba uye kupfeka kuramba, kukanganisa kusagadzikana, kwakanaka kupisa kuramba, kwakanakisa kwemakemikari kuramba uye kuderera kwemvura. Nenzira chete iyi ndipo pavanogona kusangana nezvinodiwa pakujekesa uye vanoramba vasina kuchinjika kwenguva yakareba vachishandisa. Iko mashandiro uye mashandisirwo ePMMA, PC uye PET zvinofananidzwa seinotevera.
1. PMMA (Acrylic)
Pfuma:
(1). Isina kuchena yakajeka, yakajeka, yakajeka 90% - 92%, kuomarara kupfuura silicon girazi kanopfuura kagumi.
(2). Optical, insulating, processability uye mamiriro ekunze.
(3). Iyo ine yakajeka kujekesa uye kupenya, kwakanaka kupisa kuramba, kuomarara, kuomarara, kupisa deformation tembiricha 80 ° C, kukotama simba 110 Mpa.
(4) .Kutetepa 1.14-1.20g / cm ^ 3, deformation tembiricha 76-116 ° C, ichiumba shrinkage 0.2-0.8%.
(5). Linear yekuwedzera coefficient is 0.00005-0.00009 / ° C, tembiricha deformation tembiricha iri 68-69 ° C (74-107 ° C).
(6). Inonyungudika mumakemikari anogadziriswa akadai sekabhoni tetrachloride, benzene, toluene dichloroethane, trichloromethane uye acetone.
(7). Isina-chepfu uye inoshamwaridzika zvakatipoteredza.
Kushanda:
(1). Inoshandiswa zvakanyanya muzviridzwa, marambi emota, lenzi dzemaziso, mapaipi akajeka, marambi emwenje emwenje.
(2). PMMA nebwe chinhu asiri chepfu uye zvakatipoteredza ushamwari zvinhu, izvo zvinogona kushandiswa kugadzira tableware, utsanana vazviziva, etc.
(3). Iyo ine yakanaka makemikari kugadzikana uye mamiriro ekunze. PMMA resin haisi nyore kuburitsa marara akapinza kana aputswa. Iyo inoshandiswa se plexiglass panzvimbo yesilica girazi kugadzira yekuchengetedza mikova nemahwindo.
![](http://e8202.quanqiusou.cn/uploads/cd4f678514.png)
PMMA yakajeka pombi yakabatana
![](http://e8202.quanqiusou.cn/uploads/8b34f96012.png)
PMM muchero ndiro
![](http://e8202.quanqiusou.cn/uploads/af3aa2b39.png)
PMMA yakajeka rambi chifukidziro
Tafura 1. Kuenzanisa kwekuita kwepurasitiki yakajeka
Pfuma | Kuwedzera (g / cm ^ 3) | Tensile simba (Mpa) | Notcimpact simba (j / m ^ 2) | Kufambisa (%) | Kupisa Kunopisa Tembiricha (° C) | Mvumo yemvura inogamuchirwa (%) | Chiyero cheShrinkage (%) | Pfeka kuramba | Kemikari kuramba |
Mashoko | |||||||||
PMMA | 1.18 | 75 | 1200 | 92 | 95 | 4 | 0.5 | murombo | kugona |
PC | 1.2 | 66 | 1900 | 90 | 137 | 2 | 0.6 | avhareji | kugona |
PET | 1.37 | 165 | 1030 | 86 | 120 | 3 | 2 | kugona | zvakaisvonaka |
Ngatitarisei izvo PMMA, PC, PET kuti tikurukure nezve chivakwa uye jekiseni maitiro epurasitiki yakajeka seinotevera:
III-- Matambudziko Akajairika Kuti Aonekwe muKushandiswa kwePlastical Plastics Jekiseni Kuumbwa.
Transparent mapurasitiki, nekuda kwekukwirisa kwavo kutapurirana, inofanirwa inoda yakasimba nzvimbo yepamusoro yezvigadzirwa zvepurasitiki.
Havafanirwe kunge vaine chero hurema hwakaita semavara, pombi, kuchena, mhute halo, mavara matema, kusviba uye kusasviba kubwinya. Naizvozvo, zvinyatso kuomarara kana kunyangwe zvakasarudzika zvinodikanwa zvinofanirwa kutariswa mukugadzirwa kwezvinhu zvakagadzirwa, zvishandiso, mafuru uye kunyangwe zvigadzirwa mukati meiyo jekiseni.
Chechipiri, nekuti mapurasitiki ari pachena ane hunyoro hwakanyanya uye husina hunyoro fluidity, kuitira kuverengera mhando yezvigadzirwa, maitiro ekuita senge yakanyanya tembiricha, kumanikidza kwejekiseni uye kumhanya kwejekiseni kunofanirwa kuchinjika zvishoma, kuti mapurasitiki azadziswe neforoma , uye kunetsekana kwemukati hakuzoitika, izvo zvinotungamira mukushanduka uye kutsemuka kwezvigadzirwa.
Aya anoteera mapoinzi anofanirwa kutariswa mukugadzirira mbishi zvigadzirwa, zvinodiwa kumidziyo uye kuumbwa, jekiseni kuumbwa maitiro uye mbishi zvinhu zvekurapa zvigadzirwa.
1 Kugadzirira uye kuomesa zvigadzirwa.
Nekuti chero kusachena mune mapurasitiki kunogona kukanganisa kujeka kwezvigadzirwa, zvinodikanwa kutarisisa kuiswa chisimbiso muchiitiko chekuchengetedza, kutakura uye kufudza kuona kuti mbishi zvigadzirwa zvakachena. Kunyanya kana iyo mbishi iine mvura, inozodzikira mushure mekudziya, saka inofanira kunge yakaoma, uye kana jekiseni kuumbwa, iyo yekudyisa inofanira kushandisa yakaoma hopper. Ziva zvakare kuti pakuoma, iyo yekuisa mweya inofanirwa kusefetwa uye kugadziridzwa dehumidification kuti uone kuti izvo mbishi zvinhu hazvina kusvibiswa. Iyo yekuomesa maitiro inoratidzwa mu Tafura 2.
![](http://e8202.quanqiusou.cn/uploads/c2539b0a7.png)
YeMotokari PC rambi chivharo
![](http://e8202.quanqiusou.cn/uploads/aa232cd86.png)
Transparent PC chifukidzo chemudziyo
![](http://e8202.quanqiusou.cn/uploads/dcc82e1d7.png)
PC ndiro
Tafura 2: Kuomesa maitiro epurasitiki yakajeka
data | kuomesa tembiricha (0C) | kuomesa nguva (awa) | zvinhu udzamu (mm) | kutaura |
zvinhu | ||||
PMMA | 70 ~ 80 | 2 ~ 4 | 30 ~ 40 | Hot Mhepo Cyclic Kuomesa |
PC | 120 ~ 130 | > 6 | <30 | Hot Mhepo Cyclic Kuomesa |
PET | 140 ~ 180 | 3 ~ 4 | Kuramba kuomesa unit |
2. Kuchenesa kwebhari, sikuru uye zvishongedzo
Kuitira kudzivirira kusvibiswa kwezvinhu zvakagadzirwa uye kuvapo kwezvinhu zvekare kana kusviba mumakomba e screw uye zvishongedzo, kunyanya iro resini ine husina kutsiga hwemafuta, sikuruu yekuchenesa mumiririri inoshandiswa kuchenesa zvikamu zvisati zvaitika uye mushure mekuvhara, kuitira kuti tsvina haigone kutevedzwa kwavari. Kana pasina screw yekuchenesa mumiriri, PE, PS uye mamwe mainshi anogona kushandiswa kuchenesa sikuruu. Kana kudzima kwenguva pfupi kukaitika, kuitira kudzivirira zvinhu kubva kugara patembiricha yakakwira kwenguva yakareba uye zvichikonzera kudzikisira, iyo yekuomesa neyedhiramu tembiricha inofanira kudzikiswa, senge PC, PMMA uye imwe tembiricha tembiricha inofanira kudzikiswa kusvika pazasi pe 160 C. ( tembiricha ye hopper inofanira kunge iri pazasi pe100 C yePC)
3. Zvinetso zvinoda kutariswa mufa dhizaini (kusanganisira chigadzirwa dhizaini) Kuti tidzivise kudzoka kwekudzoka kana kutonhodza zvisina kuenzana zvichikonzera kushomeka kwepurasitiki, kukanganisika kwepamusoro uye kuora, mapoinzi anotevera anofanirwa kutariswa kana achigadzira chakuvhuvhu.
A). Ukobvu hwemadziro hunofanirwa kunge hwakaenzana sezvinobvira uye materu ari kukoromora anofanira kunge akakwana zvakakwana;
B). Shanduko inofanirwa kuve zvishoma nezvishoma. Smooth shanduko yekudzivirira makona akapinza. Panofanirwa kuve pasina mukaha mumativi akapinza, kunyanya mune zvigadzirwa zvePC.
C). gedhi. Mumhanyi anofanirwa kunge akafara uye akapfupika sezvinobvira, uye chinzvimbo chegedhi chinofanira kuiswa maererano nekuderera uye kuita condensation, uye iyo firiji yakanaka inofanira kushandiswa pazvinenge zvichidikanwa.
D). Iko pamusoro peiyofa kunofanirwa kuve kwakatsetseka uye kwakaderera kusagadzikana (kunyanya isingasviki 0.8);
E). Pedza maburi. Iyo tangi inofanira kukwana kuburitsa mweya uye gasi kubva mukunyungudika munguva.
F). Kunze kwePET, ukobvu hwemadziro haufanire kuve hwakatetepa, kazhinji husingasvike pane l mm.
4. Matambudziko anoda kutariswa mujekiseni jekiseni maitiro (kusanganisira zvinoda jekiseni kuumbwa michina) Kuti udzikise mukati kushushikana uye nepamusoro pehunhu hurema, kutarisisa kunofanirwa kubhadharwa kune anotevera maficha mujekiseni yekuumba maitiro.
A). Chinokosha sikuruwa uye jekiseni Kuumbwa muchina neakasiyana tembiricha kudzora kamwene inofanira kusarudzwa.
B). Yakakwira jekiseni mwando inofanirwa kushandiswa pakupisa kwejekiseni pasina kuora kwepurasitiki.
C). Jekiseni kumanikidza: kazhinji kwakakwirira kukurira hurema hweyakanyanya melt viscosity, asi yakanyanyisa kumanikidza kuchaburitsa zvemukati kushushikana, izvo zvinotungamira kunonetsa kuputsa uye deformation;
D). Yekumhanyisa jekiseni: Panyaya yekugutsa kuzadza, zvinowanzo fanirwa kuve zvakaderera, uye zviri nani kushandisa inononoka-kukurumidza-inononoka yakawanda-nhanho jekiseni;
E). Dzvinyiriro yekubata nguva uye yekuumba nguva: mune yekugutsa chigadzirwa kuzadza pasina kuburitsa depressions uye mabhuru, inofanirwa kuve ipfupi sezvinobvira kudzikisa yekugara nguva yekunyungudika mudhiramu;
F). Screw kumhanya uye kumashure kumanikidza: pane fungidziro yekugutsa iyo plasticizing mhando, inofanirwa kuve yakaderera sezvinobvira kudzivirira mukana wekubva;
G). Tembiricha yeforoma: Hutonho hwemhando yezvigadzirwa hune hunhu hukuru pahunhu, saka tembiricha yekuforoma inofanirwa kukwanisa kudzora maitiro ayo, kana zvichibvira, tembiricha yekuumbisa inofanira kunge iri yepamusoro.
5. Zvimwe zvinhu
Kuitira kudzivirira kudzikira kwepamusoro pehunhu, wekusunungura mumiririri anofanirwa kushandiswa zvishoma sezvinobvira mujekiseni jekiseni, uye izvo zvinoshandiswa zvakare hazvifanirwe kunge zvinopfuura makumi maviri muzana.
Kune ese zvigadzirwa kunze kwePET, post-processing inofanirwa kuitwa kubvisa kushushikana kwemukati, PMMA inofanira kuomeswa mu 70-80 ° C inopisa mhepo kutenderera kwemaawa mana, PC inofanirwa kuve inodziya pa 110-135 ° C mumhepo yakachena, glycerin , Parafini yemvura, nezvimwewo. Nguva inoenderana nechigadzirwa, uye chinonyanya kudiwa chinodarika maawa gumi. PET inofanirwa kuita biaxial kutambanudza kuti iwane yakanaka michina zvivakwa.
![](http://e8202.quanqiusou.cn/uploads/a2fedfcf7.png)
PET machubhu
![](http://e8202.quanqiusou.cn/uploads/a6f4b5796.png)
PET bhodhoro
![](http://e8202.quanqiusou.cn/uploads/39c192fd6.png)
PET kesi
IV --- Jekiseni Kuumbwa Tekinoroji yeTransparent Plastics
Unyanzvi hwetekinoroji yemapurasitiki akajeka: Kunze kwematambudziko ari pamusoro apa, mapurasitiki akajeka ane mamwe maitiro ehunyanzvi, ayo akapfupikiswa seinotevera:
1. Maitiro ehunhu e PMMA. PMMA ine yakakwira viscosity uye yakashata fluidity, saka inofanirwa kujowa neakakwira tembiricha tembiricha uye jekiseni kumanikidza. Iko kupisa kweiyo tembiricha tembiricha kwakakura kupfuura kubaya kwejekiseni, asi kuwedzera kwejekiseni kunobatsira kunatsiridza mwero wekudzikira kwezvigadzirwa. Iyo tembiricha tembiricha renji yakafara, iyo yekunyungudika tembiricha iri 160 ° C uye iyo yekuora tembiricha iri 270 ° C saka iyo yekushisa tembiricha mutemo renji yakafara uye maitiro acho akanaka. Naizvozvo, kunatsiridza kuyerera, tinogona kutanga neiyo tembiricha tembiricha. Yakashata kukanganisa, murombo kusakara kuramba, nyore kukwenya, nyore kutsemuka, saka isu tinofanirwa kuvandudza tembiricha yefa, kuvandudza condensation maitiro, kukunda uku kukanganisa.
2. Maitiro maitiro ePc PC ane viscosity yakakwira, kupisa kwakanyanya kunonyungudika uye kutonhora kwakasarudzika, saka inofanira kuiswa jekiseni padanho repamusoro (pakati pe270 ne320T). Tichienzanisa nekutaura, huwandu hwesimba rekugadzirisa tembiricha hwakamanikana, uye kugadzirisa kwacho hakuna kunaka seMPMA. Jekiseni kumanikidza kune zvishoma zvainoita pane inoyerera, asi nekuda kweiyo yakakwira viscosity, ichiri kuda hombe jekiseni kumanikidza. Kuitira kudzivirira kushushikana kwemukati, iyo nguva yekubata inofanirwa kuve ipfupi sezvinobvira. Iyo shrinkage rate yakakura uye iyo dhizaini yakagadzikana, asi kunetseka kwemukati kwechigadzirwa kwakakura uye zviri nyore kutsemuka. Naizvozvo, zvinokurudzirwa kugadzirisa iko kuyerera nekuwedzera iyo tembiricha pane kumanikidza, uye kudzikisira mukana wekutsemuka nekuwedzera tembiricha yefa, kugadzirisa chimiro chefa uye mushure mekurapa. Kana jekiseni kumhanya yakaderera, gedhi rakajairika kuora uye kumwe kukanganisa, iyo radiation mwenje tembiricha inofanirwa kudzorwa zvakasiyana, iyo tembiricha tembiricha inofanira kunge iri pamusoro, uye kuramba kwemumhanyi negedhi kunofanirwa kuve kudiki.
3. Tekinoroji hunhu hwePET PET ine yakakwira inogadzira tembiricha uye yakatetepa nhanho yekugadzirisa tembiricha yezvinhu, asi ine hunyoro hwakanaka mushure mekunyunguduka, saka ine kusagadzikana kushanda, uye anti-prolongation chishandiso inowanzo kuwedzerwa mumuromo. Simba remuchina uye mashandiro mushure mejekiseni harina kukwirira, rinofanirwa kuburikidza nekutambanudza maitiro uye kugadzirisa kunogona kuvandudza mashandiro. Iyo chaiyo kudzora kwekufa tembiricha ndeyekudzivirira kumisidzana.
Nekuda kwechakakosha chinhu chekushomeka, anopisa mumhanyi kufa inokurudzirwa. Kana iyo tembiricha yefa iri yakakwira, iyo yepamusoro gloss ichave yakashata uye iyo yekuparadza ichave yakaoma.
Tafura 3. Jekiseni Kuumbwa Maitiro Paramende
paramende zvinhu | kumanikidza (MPa) | sikuruwa kumhanya | ||
jekiseni | ramba uchimanikidza | kumanikidza kumashure | (rpm) | |
PMMA | 70 ~ 150 | 40 ~ 60 | 14.5 ~ 40 | 20 ~ 40 |
PC | 80 ~ 150 | 40 ~ 70 | 6 ~ 14.7 | 20 ~ 60 |
PET | 86 ~ 120 | 30 ~ 50 | 4.85 | 20 ~ 70 |
paramende zvinhu | kumanikidza (MPa) | sikuruwa kumhanya | ||
jekiseni | ramba uchimanikidza | kumanikidza kumashure | (rpm) | |
PMMA | 70 ~ 150 | 40 ~ 60 | 14.5 ~ 40 | 20 ~ 40 |
PC | 80 ~ 150 | 40 ~ 70 | 6 ~ 14.7 | 20 ~ 60 |
PET | 86 ~ 120 | 30 ~ 50 | 4.85 | 20 ~ 70 |
V --- Kukanganisa kweiyo Transparent Plastiki Zvikamu
Pano isu tinongokurukura zvakashata zvinokanganisa kujeka kwezvigadzirwa. Panogona kunge paine zvikanganiso zvinotevera:
Kukanganisa kwezviri pachena zvigadzirwa uye nzira dzekukunda:
1 Craze: iyo anisotropy yekunetsekana kwemukati panguva yekuzadza uye kudzikama, uye kushushikana kunogadzirwa munzira yakatwasuka, inoita kuti resini riyerere kumusoro kumusoro, nepo isiri-kuyerera kutenderera ichiburitsa kupenya kweflash ine akasiyana mairi index. Kana ichiwedzera, kutsemuka kunogona kuitika muchigadzirwa.
Nzira dzinokunda ndeidzi: kuchenesa muforoma uye dhiramu remuchina wejekiseni, kuomesa mbishi zvakakwana, kuwedzera gasi rekuzadza, kuwedzera jekiseni kumanikidza uye kumanikidza kumashure, uye kuwedzera chigadzirwa chakanakisa. Kana iyo PC zvinhu inogona kupisa kusvika pamusoro pe 160 ° C kwemaminetsi matatu - mashanu, saka inogona kutonhorwa zvakasununguka.
2.Bubble: Mvura uye mamwe magasi ari muresini haakwanise kuburitswa (panguva yekuumbwa kweforoma condensation) kana "vacuum bubbles" zvinoumbwa nekuda kwekukwana kuzadza kweforoma uye nekukurumidza zvakanyanya kweye condensation pamusoro. Nzira dzekukunda dzinosanganisira kuwedzera kupera uye kuomesa zvakakwana, kuwedzera gedhi kumadziro ekumashure, kuwedzera kumanikidza nekumhanyisa, kudzikisira tembiricha yekunyungudika uye kuwedzera nguva yekutonhora.
3. Yakashata pamusoro gloss: kunyanya nekuda kwekukura kukuru kweiyo kufa, kune rumwe rutivi, yakanyanyisa kukwirisa, kuitira kuti resini irege kukopa mamiriro efa pamusoro, zvese izvo zvinoita kuti nzvimbo yefa ifanane zvishoma , uye ita kuti chigadzirwa chirasike kubwinya. Maitiro ekukunda dambudziko iri kuwedzera kutonhora kwekunyungudika, tembiricha yekuumbisa, jekiseni kumanikidza uye jekiseni velocity, uye kuwedzera nguva yekutonhora.
4. Rismle ripple: dense ripple yakaumbwa kubva pakati pegedhi rakatwasuka. Icho chikonzero ndechekuti iyo yakanyunguduka viscosity yakanyanya kukwirisa, iyo yekumberi magumo zvinhu yakaumbika mudumbu, uye ipapo izvo zvinhu zvinopaza nepakati peye condensation pamusoro, zvichikonzera pamusoro penzvimbo. Nzira dzinokunda ndeidzi: kuwedzera jekiseni kumanikidza, jekiseni nguva, jekiseni nguva uye kumhanyisa, kuwedzera tembiricha tembiricha, kusarudza yakakodzera mabhuti uye kuwedzera kutonhora kuchaja matsime.
5. Kuchena. Mhute halo: Inonyanya kukonzerwa neguruva rinowira muzvinhu zvakasvibirira mumhepo kana hunyoro hwakawandisa hwezvinhu zvisina kugadzirwa. Nzira dzinokunda ndeidzi: kubvisa kusachena kwejekiseni muchina wekuumba, kuverengera zvakakwana kuoma kwepurasitiki zvigadzirwa, kunyatso kudzora tembiricha inonyunguduka, kuwedzera tembiricha yekuumbika, kuwedzera kumashure kumanikidza kwejekiseni kuumba uye kupfupisa jekiseni kutenderera. 6. Utsi chena. Nharaunda nhema: Inonyanya kukonzerwa nekuora kana kuora kwesimbi iri mudhiramu inokonzerwa nokupisa kwepurasitiki kwepanzvimbo mudhiramu. Iyo nzira yekukunda ndeye kudzikisira kutsetseka kwekunyungudika uye nguva yekugara yezvinhu zvakagadzirwa mudhiramu, uye kuwedzera gomba rekuzadza
Mestech kambani inoshanda mukupa vatengi vane yakajeka mwenje mumvuri, zvekurapa zvemagetsi zvigadzirwa jekiseni muforoma uye jekiseni kugadzirwa. Kana iwe uchida izvi, ndapota taura nesu. Isu tinofara kukupa iwe sevhisi iyoyo.