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Garage Kit, anime, mufananidzo, 3D Yakadhindwa Mufananidzo Unoratidzwa
  • Garage Kit, anime, mufananidzo, 3D Yakadhindwa Mufananidzo
  • Garage Kit, anime, mufananidzo, 3D Yakadhindwa Mufananidzo

Garage Kit, anime, mufananidzo, 3D Yakadhindwa Mufananidzo

Tsanangudzo Yakareruka:

Jekiseni molding process inzira yakaoma yekugadzirisa inosanganisira zvinhu zvakawanda, senge mold dhizaini, kugadzira mold, raw material maitiro uye raw material pretreatment nzira, molding process, jekiseni rekugadzira muchina mashandiro, uye ane hukama zvakanyanya nekugadzirisa mamiriro ekunze, chigadzirwa kutonhora nguva uye mushure mekurapa maitiro.


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Reference mutengo 0.5-5USD
Ita maodha mashoma 500PCS
Delivery date 5 mazuva kutumira
OEM OK
Nzvimbo yekugadzira yakagadzirwa muChina
zvimwe Kusanganisira kurongedza

Jekiseni molding process inzira yakaoma yekugadzirisa inosanganisira zvinhu zvakawanda, senge mold dhizaini, kugadzira mold, raw material maitiro uye raw material pretreatment nzira, molding process, jekiseni rekugadzira muchina mashandiro, uye ane hukama zvakanyanya nekugadzirisa mamiriro ekunze, chigadzirwa kutonhora nguva uye mushure mekurapa maitiro.

Nhasi, ngatitaure nezve zvivakwa uye maitiro maitiro ezvakajairwa mbishi zvinhu zvekuumba jekiseni:

ABS (super non breaking glue)

ABS kuita:

ABS inogadzirwa kubva ku butadiene, acrylonitrile uye styrene.Imwe neimwe monomer ine hunhu hwakasiyana: butadiene ine kuoma uye kukanganisa kupikisa;High thermal uye kugadzikana kwemakemikari yeacrylonitrile;Styrene ine nyore kugadzirisa, kupedzisa kwepamusoro uye simba rakakwirira.Panyaya ye morphology, ABS ndeye amorphous zvinhu zvine yakakwira mechaniki simba uye yakanaka yakazara midziyo ye "kuoma, kuoma uye simbi".Iyo inonzi amorphous polymer.ABS ndeyeyakajairwa-chinangwa engineering epurasitiki ine akasiyana siyana uye yakafara maapplication.Inonzi zvakare "general-purpose plastic" (MBS inonzi transparent ABS).ABS iri nyore kutora unyoro, ine chaiyo giravhiti ye1.05g/cm3 (inorema zvishoma kupfuura mvura), yakaderera shrinkage (0.60%), saizi yakagadzikana uye nyore kugadzira uye kugadzirisa.Hunhu hweABS hunonyanya kutsamira pachiyero chevatatu monomers uye chimiro chemolecular muzvikamu zviviri izvi.Izvi zvinogona kuve nekushanduka kukuru mukugadzirwa kwechigadzirwa, uye nekudaro kuburitsa mazana ezvigadzirwa zveABS zvemhando dzakasiyana mumusika.Izvi zvakasiyana-siyana zvemhando zvinhu zvinopa maitiro akasiyana, akadai sepakati kusvika kune yakakwira maitiro ekupikisa, yakaderera kusvika kumusoro kupedzisa uye yakakwirira tembiricha kukanganisa.ABS zvinhu zvine super workability, maitiro ekutaridzika, yakaderera inokambaira, yakanakisa dimensional kugadzikana uye yakakwirira simba simba.ABS ndeyerenje yero granular kana bead opaque resin, isiri-chepfu, isinganakidze uye yakaderera kunyura kwemvura.Iyo ine yakanaka yakazara yakazara yemuviri uye yemagetsi zvimiro, senge yakanakisa magetsi emagetsi, kupfeka kuramba, kugadzikana kwedimensional, makemikari kuramba uye pamusoro gloss, uye iri nyore kugadzirisa uye kuumbwa.Izvo zvakaipira kusamira kwemamiriro ekunze, kushomeka kwekupisa uye kupisa.

Maitiro maitiro eABS:

a: ABS ine yakanyanya kunyorova kunyura uye humidity senitivity.Usati waumbwa, inofanira kuomeswa zvakakwana uye preheated (inenge maawa maviri pa80 ~ 90C) kudzora hunyoro huri pasi pe0.03%.

b: Iyo yakanyunguduka viscosity yeABS resin hainyanyi kunzwa tembiricha (yakasiyana nemamwe amorphous resins).Kunyangwe tembiricha yejekiseni yeABS yakakwira zvishoma pane iyo yePS, haigone kuve neyakavhurika yekudziya renji sePS.nzira yekupisa kwemapofu haigoni kushandiswa kuderedza viscosity yayo.Iyo fluidity inogona kuvandudzwa nekuwedzera screw speed kana jekiseni pressure.Kazhinji, tembiricha yekugadzirisa inofanira kunge iri 190-235 ℃

c: The kunyunguduka viscosity yeABS iripakati, yakakwirira kudarika yePS, chiuno uye se, saka zvinodikanwa kushandisa doro rine yakakwirira jekiseni pressure (500 ~ 1000bar)

d: ABS zvinhu zvinotora zvepakati uye yakakwirira jekiseni kumhanya, uye mhedzisiro yedoro iri nani.(kunze kwekunge chimiro chakaomarara uye dzakatetepa-madziro zvidimbu zvinoda kukurumidza jekiseni), mitsetse yegesi iri nyore kuitika pamuromo wechigadzirwa.

e: ABS yekuumba tembiricha yakakwira zvishoma, uye tembiricha yayo yekuumbwa inowanzo gadziridzwa pa25-70 ℃.Kana uchigadzira zvigadzirwa zvakakura, tembiricha yeyakagadziriswa mold (yekumberi mold) inowanzoita 5 ℃ yakakwirira kupfuura iyo yekufamba mold (kumashure mold).(tembiricha yekuumbwa ichakanganisa kupera kwezvikamu zvepurasitiki, uye tembiricha yakaderera inotungamira kuderera kupera)

f: ABS haifanire kugara mubhodhoro repamusoro-soro kwenguva yakareba (pasi pemaminitsi makumi matatu), kana zvisina kudaro zviri nyore kuora uye kushanduka yero.

PS (polystyrene)

1. PS kuita:

PS iamorphous polymer ine mvura yakanaka uye yakaderera kunyura kwemvura (isingasviki 00.2%), iri ipurasitiki yakajeka iri nyore kugadzira uye kugadzirisa.Zvigadzirwa zvaro zvine light transmittance ye88-92%, yakasimba coloring simba uye yakakwirira kuoma.Nekudaro, zvigadzirwa zvePS zvine brittle, zvinowanzoita kushushikana kwemukati kutsemuka, kushomeka kwekupisa (60-80 ℃), isiri-chepfu, uye iyo chaiyo giravhiti inenge 1.04g \ cm3 (yakakura zvishoma pane mvura).Molding shrinkage (kukosha kwayo kunowanzo 0.004-0.007in/in), yakajeka PS - zita rinongoratidza pachena kweresin, kwete crystallinity.(kemikari uye zvinhu zvemuviri: PS yakawanda yekutengeserana inoonekera uye amorphous zvinhu. PS ine yakanaka kwazvo geometric kugadzikana, kupisa kugadzikana, optical kutapurirana maitiro, magetsi ekudzivirira maitiro uye katsika kadiki kutora unyoro. Inogona kuramba mvura uye diluted inorganic acids, asi inogona kusvibiswa neakasimba oxidizing acids senge concentrated sulfuric acid, uye inogona kuwedzera nekuremara mune mamwe organic solvents.)

2. Maitiro maitiro ePS:

Nzvimbo yakanyungudika yePS ndeye 166 ℃, tembiricha yekugadziridza inowanzoita 185-215 ℃, uye tembiricha yekunyunguduka i180 ~ 280 ℃.Kune zvinhu zvinodzoreredza murazvo, muganho wepamusoro i250 ℃, uye tembiricha yekuora inenge 290 ℃, saka tembiricha yayo yekugadziridza yakafara.Iyo tembiricha yekuumbwa ndeye 40 ~ 50 ℃, uye iyo jekiseni yekumanikidza ndeye 200 ~ 600bar.Inokurudzirwa kushandisa kukurumidza jekiseni kumhanya kwejekiseni kumhanya.Ese akajairwa marudzi emasuwo anogona kushandiswa mumhanyi uye gedhi.PS zvinhu kazhinji hazvidi kuomeswa kurapwa zvisati zvagadziriswa kunze kwekunge zvachengetwa zvisina kunaka.Kana kuomeswa kuchidikanwa, iyo yakakurudzirwa kuomeswa mamiriro ndeye 80C kwe2 ~ 3 maawa.Nekuda kwekudziya kwakadzikira kwePS, inogona kudzika uye kusimba nekukurumidza kana ichigadzira mamwe mold.Kumhanya kwayo kutonhora kunokurumidza kupfuura iyo yezvakajairwa zvigadzirwa, uye nguva yekuvhura mold inogona kuve yapfuura.Nguva yeplasticizing uye nguva yekutonhora ipfupi, uye nguva yekuumba inozoderedzwa;Kupenya kwezvigadzirwa zvePS kuri nani nekuwedzera kwekushisa kwe mold.

PE (polyethylene)

1. Kuita kwePE:

PE imhando yepurasitiki ine yakakura kubuda pakati pemapurasitiki.Iyo inoratidzirwa neyakapfava, isiri-chepfu, mutengo wakaderera, nyore kugadzirisa, yakanaka makemikari kuramba, kwete nyore kuita ngura uye yakaoma kudhinda.PE yakajairika crystalline polymer.Ine mhando dzakawanda.LDPE (yakaderera density polyethylene) uye HDPE (yakakwirira density polyethylene) inowanzoshandiswa.Iwo mapurasitiki anopenya ane simba rakaderera uye chaiyo giravhiti ye0.94g/cm3 (idiki pane mvura);Yakanyanya kuderera density LLDPE resin (iyo density yakaderera pane 0.910g/cc, uye density yeLLDPE neLDPE iri pakati pe0.91-0.925).LDPE yakapfava, (inowanzozivikanwa seguruu yakapfava) HDPE inowanzozivikanwa seguruu rakaomarara.Zvakaoma kupfuura LDPE.Iyo semi crystalline zvinhu zvine yakakwira shrinkage rate mushure mekuumbwa.Iyo ine hurombo husina kufambiswa kwechiedza pakati pe1.5% ne4%, hombe crystallinity, uye inotarisana nekupwanya kushushikana kwezvakatipoteredza.Zvishandiso zvine maitiro akaderera ekuyerera zvinogona kushandiswa kuderedza kushushikana kwemukati uye kuderedza kuputika.Kana tembiricha yakakwira kupfuura 60 ℃, zviri nyore kunyungudika muhydrocarbon solvents, asi kunyungudika kwayo kuramba kuri nani pane LDPE.

Iyo yakakwira crystallinity yeHDPE inotungamira kune yakakwira density, kusimba kwesimba, yakanyanya tembiricha yekukanganisa tembiricha, viscosity uye kugadzikana kwemakemikari.Iyo ine simba isingapindiki kupfuura LDPE.PE-HD ine simba rekuita rakaderera.Izvo zvinhu zvinonyanya kudzorwa ne density uye molecular weight distribution.Iyo molecular huremu kugoverwa kweHDPE idiki kwazvo.Nokuda kwehuwandu hwe 0.91 ~ 0.925g / cm3, tinoitumidza kuti rudzi rwekutanga rwePE-HD;Nokuda kwehuwandu hwe0.926 ~ 0.94g / cm3, inonzi yechipiri rudzi rweHDPE;Nekuda kwehuremu hwe 0.94 ~ 0.965g/cm3, inonzi rudzi rwechitatu rweHDPE.Nyaya yacho ine maitiro akanaka ekuyerera neMFR pakati pe 0.1 ne 28. Iyo yakakwirira ye molecular uremu, iyo yakaipisisa yekuyerera maitiro eLDPE, asi ine zviri nani kukanganisa simba.HDPE inokonzeresa kusagadzikana kwemamiriro ekunze.

Kutsemuka kunogona kuderedzwa nekushandisa zvinhu zvine maitiro akaderera ekuyerera kuderedza kushushikana kwemukati.HDPE iri nyore kunyungudika mumahydrocarbon zvinonyungudutsa kana tembiricha yakakwira kupfuura 60C, asi kunyungudika kwayo kuri nani pane LDPE LDPE iri semi crystalline zvinhu zvine shrinkage yakakwira mushure mekuumbwa, kubva pa1.5% kusvika 4%.LLDPE (linear low density polyethylene) ine yakakwira tensile, kupinda, kukanganisa uye kubvarura kuramba, izvo zvinoita kuti LLDPE ikwane firimu.Yayo yakanakisa yemamiriro ekunze kusagadzikana kupemha kuramba, yakadzika tembiricha kukanganisa kuramba uye warpage kuramba inoita kuti LLDPE itaridzike pombi, plate extrusion uye ese ekuumba maapplication.Ikozvino kushandiswa kweLLDPE kwakafanana nefirimu repurasitiki rekuisa marara emarara emarara uye tangi remarara remvura.

2. Maitiro maitiro ePE:

Chinhu chinonyanya kushamisa chezvikamu zvePE ihombe yekuumba shrinkage, iyo iri nyore kudzika uye kukanganisa.PE zvinhu zvine kunyura kwemvura kudiki uye hazvigone kuomeswa.Iyo tembiricha yekugadzira PE yakakura kwazvo uye haisi nyore kuora (tembiricha yekuora i320 ℃).Kana kudzvinyirirwa kwakakwirira, kuwanda kwechigadzirwa kwakakwirira uye shrinkage idiki.PE ine mvura iri pakati nepakati.Mamiriro ekugadzirisa anofanirwa kudzorwa zvakanyanya uye tembiricha yeforoma inofanirwa kugara isingachinji (40-60 ℃).Iyo crystallinity yePE inoenderana nemamiriro ekuumba maitiro.Iine tembiricha yakasimba inotonhora.Kana tembiricha yekuumbwa yakaderera, iyo crystallinity yakaderera.Mune crystallization process, nekuda kweanisotropy ye shrinkage, kushushikana kwemukati kunowedzera, uye zvikamu zve PE zvinowanzoita deformation uye kuputika.Kana chigadzirwa chakaiswa mumvura inopisa pa80 ℃, kudzvanywa kunogona kudzoreredzwa kune imwe nhanho.Munguva yekugadzira, tembiricha yezvinhu uye tembiricha yekuumbwa inofanira kunge yakakwira.Iyo jekiseni pressure inofanirwa kunge yakadzikira pachigadziro chekuve nechokwadi chemhando yechigadzirwa.Iko kutonhora kwe mold kunonyanya kudiwa kukurumidza uye yunifomu, uye chigadzirwa chinopisa panguva yekudhirowa.

PP (polypropylene)

1. PP kuita:

PP icrystalline polymer.Pakati pemapurasitiki anowanzo shandiswa, PP ndiyo yakareruka, ine density ye 0.91g/cm3 chete (pasi pemvura).Pakati pemapurasitiki akajairwa, PP ine yakanyanya kupisa kupisa, uye kupisa kwayo deformation tembiricha i80-100 ℃, inogona kubikwa mumvura iri kufashaira.PP ine yakanaka kushushikana yekupwanya kuramba uye yakakwirira kukotama hupenyu hwekuneta, inowanzozivikanwa se "100% glue".Kuita kwakazara kwePP kuri nani pane kuya kwePE.Zvigadzirwa zvePP zvine huremu huremu, kusimba kwakanaka uye kwakanaka kwemakemikari kuramba.Zvakaipa zvePP: yakaderera dimensional kurongeka, kusakwana kuomarara, kushomeka kwemamiriro ekunze uye nyore kugadzira "mhangura kukuvara".Iine post shrinkage phenomenon.Mushure mekudhirowa, zviri nyore kuchembera, kuve brittle uye kuremara.PP yagara iri iyo huru yezvigadzirwa zvekugadzira fiber nekuda kwekugona kwayo kwemavara, kupfeka kuramba, kuramba kwemakemikari uye mamiriro ehupfumi akanaka.PP ndeye semi crystalline zvinhu.Iyo yakaoma kupfuura PE uye ine nzvimbo yakakwira yekunyungudika.Nekuti homopolymer PP ine brittle kana tembiricha yakakwira kupfuura 0 ℃, zvinhu zvakawanda zvekutengesa zvePP hazvina kujairika macopolymers ane 1 ~ 4% ethylene kana clamp copolymers ane yakakwirira ethylene zvirimo.Copolymer PP zvinhu zvine tembiricha yekupisa yakadzika (100 ℃), kujeka kwakadzika, kupenya kwakaderera uye kusimba kwakadzika, asi zvine simba rakasimba rekuita.Simba rePP rinowedzera nekuwedzera kwe ethylene content.

2. Maitiro maitiro ePP:

PP ine yakanaka fluidity uye kuumba kuita pakunyungudika tembiricha.PP ine maitiro maviri mukugadzirisa: kutanga, viscosity yePP inonyunguduka inoderera zvakanyanya nekuwedzera kweshear speed (zvishoma zvakakanganiswa nekushisa);Chechipiri: dhigirii yakakwira yemamolecular orientation uye shrinkage yakakura.Iyo tembiricha yekugadzirisa yePP ndeye 220 ~ 275 ℃.Zviri nani kusapfuudza nezve 275 ℃.Iine kugadzikana kwakanaka kwekupisa (tembiricha yekuora i310 ℃), asi pakupisa kwepamusoro (270-300 ℃), inogona kudzikisira kana ikagara mudhiramu kwenguva yakareba.Nekuti viscosity yePP inodzikira zviripachena nekuwedzera kweshear kumhanya, kuwedzera iyo jekiseni kumanikidza uye jekiseni kumhanya kunovandudza fluidity, shrinkage deformation uye kushungurudzika.Mold tembiricha (40 ~ 80 ℃), 50 ℃ inokurudzirwa.Iyo crystallization dhigirii inonyanya kutsanangurwa nekushisa kwe mold, iyo inofanirwa kudzorwa mumhando ye30-50 ℃.PP inonyunguduka inogona kupfuura nepaburi rakatetepa kwazvo mufa kuti igadzire mupendero wakapinza.Mukunyunguduka kwePP, inoda kutora huwandu hwakakura hwekunyunguduka (yakakura chaiyo kupisa), uye chigadzirwa chinopisa zvakanyanya mushure mekuumbwa.PP haifaniri kuomeswa panguva yekugadzirisa, uye shrinkage uye crystallinity yePP yakaderera kupfuura yePE.Jekiseni kumhanya kazhinji inoshandisa yakakwira-kumhanya jekiseni kuumba kudzikisa kudzvanywa kwemukati.Kana paine hurema pamusoro pechigadzirwa, yakaderera-kumhanya jekiseni molding pane yakakwirira tembiricha ichashandiswa.

Iwo akasiyana zvimiro zveakasiyana mbishi zvinhu zvakare anoona akasiyana maitiro, saka chiyero chekushandisa chakasiyanawo.

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