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Ikhithi yeGarage, ianime, umzobo, 3D Printed Figure

Inkcazelo elula:

Inkqubo yokubumba isitofu yinkqubo entsonkothileyo ebandakanya izinto ezininzi, ezinje ngoyilo lokungunda, ukwenziwa komngundo, iimpawu zemathiriyeli ekrwada kunye neendlela zokulungiselela kwangaphambili, inkqubo yokubumba, ukusebenza komatshini wokubumba inaliti, kwaye inxulumene ngokusondeleyo nokusetyenzwa kweemeko zokusingqongileyo, ixesha lokupholisa imveliso kunye inkqubo emva konyango.


Imfuno yeMveliso

Iphepha leMveliso

Ukuhamba komsebenzi

ixabiso Reference 0.5-5USD
Yenza iiodolo ezincinci 500PCS
Umhla wokuzisa Ukuhanjiswa kweentsuku ezi-5
OEM OK
Indawo yokuvelisa yenziwe etshayina
enye Kubandakanywa ukupakishwa

Inkqubo yokubumba isitofu yinkqubo entsonkothileyo ebandakanya izinto ezininzi, ezinje ngoyilo lokungunda, ukwenziwa komngundo, iimpawu zemathiriyeli ekrwada kunye neendlela zokulungiselela kwangaphambili, inkqubo yokubumba, ukusebenza komatshini wokubumba inaliti, kwaye inxulumene ngokusondeleyo nokusetyenzwa kweemeko zokusingqongileyo, ixesha lokupholisa imveliso kunye inkqubo emva konyango.

Namhlanje, makhe sithethe ngeepropathi kunye nenkqubo yeempawu zemathiriyeli ekrwada eqhelekileyo yokubumba inaliti:

I-ABS (iglu engaphezulu engaqhawukiyo)

Ukusebenza kwe-ABS:

I-ABS yenziwe kwi-butadiene, i-acrylonitrile kunye ne-styrene.I-monomer nganye ineempawu ezahlukeneyo: i-butadiene inokuqina kunye nokuchasana kwempembelelo;Ukuzinza okuphezulu kwe-thermal kunye neekhemikhali ze-acrylonitrile;I-Styrene inokusebenza ngokulula, ukugqiba okuphezulu kunye namandla aphezulu.Ngokumalunga ne-morphology, i-ABS yimathiriyeli ye-amorphous enamandla amakhulu omatshini kunye neempawu ezintle ezibanzi "zobunzima, ukuqina kunye nentsimbi".Yipolymer e-amorphous.I-ABS yiplastiki yenjongo yobunjineli ngokubanzi eneentlobo ezahlukeneyo kunye nokusetyenziswa okubanzi.Ikwabizwa ngokuba "yiplastiki yenjongo ngokubanzi" (i-MBS ibizwa ngokuba yi-ABS ecacileyo).I-ABS ilula ukuthabatha umswakama, kunye nobunzima obuthile be-1.05g / cm3 (inzima kancinane kunamanzi), i-shrinkage ephantsi (0.60%), ubungakanani obuzinzile kunye nokulula ukwenza kunye nokusebenza.Iimpawu ze-ABS zixhomekeke ikakhulu kumlinganiselo wee-monomers ezintathu kunye nesakhiwo se-molecular kwizigaba ezibini.Oku kunokuba nokuguquguquka okukhulu kuyilo lwemveliso, kwaye ngaloo ndlela kuvelise amakhulu ezinto ze-ABS zomgangatho owahlukileyo kwimarike.Ezi zixhobo zomgangatho ohlukeneyo zibonelela ngeempawu ezahlukeneyo, ezifana nokuchasana kwempembelelo ephakathi ukuya phezulu, ephantsi ukuya phezulu kunye nokuphazamiseka kobushushu obuphezulu.Imathiriyeli ye-ABS inokusebenza okuphezulu, iimpawu zenkangeleko, ukurhubuluza okuphantsi, uzinzo olubalaseleyo lomgangatho kunye namandla anempembelelo ephezulu.I-ABS yintlaka emhlophe etyheli okanye i-bead opaque resin, engenatyhefu, engenancasa kwaye ifunxa amanzi aphantsi.Ineempawu ezilungileyo ezibanzi zomzimba kunye noomatshini, njengeempawu ezibalaseleyo zombane, ukumelana nokunxiba, ukuzinza komda, ukuxhathisa imichiza kunye neglosi yomphezulu, kwaye kulula ukusetyenzwa nokumila.Izinto ezingeloncedo kukumelana nemozulu, ukunganyangeki kobushushu kunye nokutsha.

Iimpawu zenkqubo ye-ABS:

a: I-ABS inokufunxeka okuphezulu kokufuma kunye novakalelo lokufuma.Ngaphambi kokubunjwa, kufuneka yomiswe ngokupheleleyo kwaye ifudunyezwe (ubuncinci iiyure ezi-2 kwi-80 ~ 90C) ukulawula umxholo wokufuma ongaphantsi kwe-0.03%.

b: Ukunyibilika kwe-viscosity ye-ABS resin ayinabungozi kangako kwiqondo lokushisa (ihluke kwezinye i-amorphous resins).Nangona ubushushu benaliti ye-ABS buphezulu kancinane kune-PS, ayinakuba noluhlu lokufudumeza olukhululekileyo njenge-PS.indlela yokufudumeza eyimfama ayinakusetyenziswa ukunciphisa i-viscosity yayo.Ubumanzi bunokuphuculwa ngokunyusa isantya se-screw okanye uxinzelelo lwenaliti.Ngokubanzi, iqondo lokushisa kufuneka libe yi-190-235 ℃

c: Ukunyibilika kwe-viscosity ye-ABS iphakathi, iphezulu kune-PS, i-hips kwaye njengoko, ngoko ke kuyimfuneko ukusebenzisa ibhiya enoxinzelelo oluphezulu lwenaliti (500 ~ 1000bar)

d: Izinto ze-ABS zamkela isantya esiphakathi nesiphezulu sokutofa, kwaye umphumo webhiya ungcono.(ngaphandle kokuba imilo inzima kwaye iindawo ezinodonga olucekethekileyo zifuna isantya esiphezulu sokutofa), imigca yegesi iyenzeka lula kumlomo wemveliso.

e: Iqondo lobushushu lokubumba i-ABS liphezulu ngokwentelekiso, kwaye ubushushu balo lokungunda bulungiswa ngokubanzi kuma-25-70 ℃.Xa uvelisa iimveliso ezinkulu, ubushushu bomngundo osisigxina (umngundo wangaphambili) ngokuqhelekileyo bumalunga ne-5 ℃ ngaphezulu kunobungunda obuhambayo (umngundo ongasemva).(iqondo lobushushu lokungunda liya kuchaphazela ukugqiba kwamalungu eplastiki, kwaye ubushushu obuphantsi bukhokelela ekugqityweni okuphantsi)

f: I-ABS akufanele ihlale kwi-barrel ephezulu yokushisa ixesha elide (ngaphantsi kwemizuzu engama-30), ngaphandle koko kulula ukubola kunye nokujika kwephuzi.

PS (ipolystyrene)

1. Ukusebenza kwePS:

I-PS i-polymer e-amorphous ene-fluidity enhle kunye nokufunxa kwamanzi aphantsi (ngaphantsi kwe-00.2%), eyiplastiki ecacileyo ekulula ukuyenza kunye nokusebenza.Iimveliso zayo zinokudluliswa kokukhanya kwe-88-92%, amandla ombala anamandla kunye nobunzima obuphezulu.Nangona kunjalo, iimveliso ze-PS zi-brittle, zithandwa kukuqhekeka koxinzelelo lwangaphakathi, ukunganyangeki kobushushu (60-80 ℃), ayinayo ityhefu, kunye nobunzima obuthile bumalunga ne-1.04g \ cm3 (inkulu kancinane kunamanzi).Ukubunjwa kwe-shrinkage (ixabiso layo ngokubanzi li-0.004-0.007in / in), i-PS ebonakalayo - igama libonisa kuphela ukucaca kwe-resin, kungekhona i-crystallinity.(iipropati zekhemikhali kunye nezomzimba: uninzi lwe-PS zorhwebo luselubala kunye nezixhobo ze-amorphous. I-PS inozinzo oluhle kakhulu lwejometri, ukuzinza kwe-thermal, iimpawu zokuhanjiswa kwe-optical, iimpawu zokugquma kombane kunye nokuthambekela okuncinci kokufunxa ukufuma. Iyakwazi ukumelana namanzi kunye ne-diluted inorganic acids, kodwa iyakwazi zidliwe ziiasidi ezinamandla zokuxilisa ezifana ne-asidi yesulfuric egxininisiweyo, kwaye zinokukhula kwaye zikhubazeke kwezinye izinyibilikisi eziphilayo.)

2. Iimpawu zenkqubo ye-PS:

Indawo yokunyibilika ye-PS yi-166 ℃, iqondo lobushushu lokucubungula ngokuqhelekileyo yi-185-215 ℃, kwaye iqondo lokunyibilika liyi-180 ~ 280 ℃.Kwimathiriyeli yokubuyiswa komlilo, umda ophezulu yi-250 ℃, kwaye iqondo lokushisa lokubola limalunga ne-290 ℃, ngoko ke uluhlu lobushushu bokuqhuba lubanzi.Ubushushu bomngundo yi-40 ~ 50 ℃, kwaye uxinzelelo lwenaliti yi-200 ~ 600bar.Kuyacetyiswa ukuba usebenzise isantya sokutofa ngokukhawuleza kwisantya sokutofa.Zonke iintlobo eziqhelekileyo zamasango zingasetyenziselwa umgijimi kunye nesango.Izinto ze-PS ngokuqhelekileyo azidingi unyango lokumisa ngaphambi kokuba zigcinwe ngaphandle kokuba zigcinwe ngokungafanelekanga.Ukuba ukomisa kuyafuneka, imeko ecetyiswayo yokomisa yi-80C kwiiyure ezi-2 ukuya kwezi-3.Ngenxa yobushushu obuthile obuphantsi be-PS, inokujiya kwaye iqine ngokukhawuleza xa isenza ezinye iimbumba.Isantya saso sokupholisa sikhawuleza kuneso sezinto eziqhelekileyo eziqhelekileyo, kwaye ixesha lokuvula i-mold lingaba ngaphambili.Ixesha leplastiki kunye nexesha lokupholisa lifutshane, kwaye ixesha lomjikelezo wokubumba liya kuncitshiswa;Iglosi yeemveliso ze-PS ingcono ngokunyuka kweqondo lokushisa lokungunda.

I-PE (i-polyethylene)

1. Ukusebenza kwePE:

I-PE luhlobo lweplastiki enemveliso enkulu phakathi kweeplastiki.Ibonakaliswa ngokuthambileyo, okungeyotyhefu, ixabiso eliphantsi, ukusetyenzwa ngokufanelekileyo, ukuxhathisa okulungileyo kweekhemikhali, akukho lula ukubola kunye nokushicilela nzima.I-PE yipolymer eqhelekileyo yekristale.Ineentlobo ezininzi.I-LDPE (i-polyethylene ephantsi koxinano) kunye ne-HDPE (i-polyethylene yoxinaniso oluphezulu) zisetyenziswa ngokuqhelekileyo.Ziyiplastiki eziguquguqukayo ezinamandla aphantsi kunye nobunzima obuthile be-0.94g / cm3 (buncinci kunamanzi);Uxinaniso oluphantsi kakhulu lwe-resin ye-LLDPE (ubuninzi bungaphantsi kwe-0.910g/cc, kwaye ubuninzi be-LLDPE kunye ne-LDPE buphakathi kwe-0.91-0.925).I-LDPE ithambile, (eyaziwa ngokuba yiglue ethambileyo) I-HDPE yaziwa njengeglu eqinileyo ethambileyo.Inzima kune-LDPE.Yimathiriyeli ye-semicrystalline enezinga eliphezulu lokushwabana emva kokubunjwa.Inokuhanjiswa kokukhanya okungahambi kakuhle phakathi kwe-1.5% kunye ne-4%, i-crystallinity enkulu, kwaye iqhelene nokuqhekeka koxinzelelo lwendalo.Izinto eziphathekayo ezineempawu zokuhamba eziphantsi zingasetyenziselwa ukunciphisa uxinzelelo lwangaphakathi kunye nokunciphisa ukuqhekeka.Xa iqondo lobushushu lingaphezulu kwe-60 ℃, kulula ukunyibilika kwizinyibilikisi ze-hydrocarbon, kodwa ukuxhathisa ukunyibilika kwayo kungcono kune-LDPE.

I-crystallinity ephezulu ye-HDPE ikhokelela ekuxineni kwayo okuphezulu, amandla okuqina, ubushushu obuphezulu beqondo lokushisa, i-viscosity kunye nokuzinza kweekhemikhali.Inokuqina okunamandla kune-LDPE.I-PE-HD inamandla empembelelo ephantsi.Iipropathi zilawulwa ikakhulu kukuxinana kunye nokusabalalisa ubunzima bemolekyuli.Ukuhanjiswa kwe-molecular weight ye-HDPE kuncinci kakhulu.Ubuninzi be-0.91 ~ 0.925g / cm3, siyibiza ngokuba luhlobo lokuqala lwe-PE-HD;Ubuninzi be-0.926 ~ 0.94g / cm3, kuthiwa luhlobo lwesibini lwe-HDPE;Ubuninzi be-0.94 ~ 0.965g / cm3, kuthiwa luhlobo lwesithathu lwe-HDPE.Izinto eziphathekayo zineempawu ezihamba kakuhle kunye ne-MFR phakathi kwe-0.1 kunye ne-28. Ukuphakama kwe-molecular weight, eyona nto imbi kakhulu iimpawu zokuhamba kwe-LDPE, kodwa inamandla empembelelo engcono.I-HDPE ithambekele ekuqhekekeni koxinzelelo lwendalo.

Ukuqhekeka kunokuncitshiswa ngokusebenzisa izinto ezineempawu eziphantsi kakhulu zokuhamba ukunciphisa uxinzelelo lwangaphakathi.I-HDPE kulula ukuyinyibilika kwii-solvents ze-hydrocarbon xa ubushushu bungaphezulu kwe-60C, kodwa ukuxhathisa ukunyibilika kwayo kungcono kune-LDPE LDPE yimathiriyeli ye-semicrystalline ene-shrinkage ephezulu emva kokubunjwa, ukusuka kwi-1.5% ukuya kwi-4%.I-LLDPE (i-linear low density polyethylene) ine-tensile ephezulu, ukungena, impembelelo kunye nokumelana nokukrazula, okwenza i-LLDPE ifanele ifilimu.Ukuxhatshazwa kwayo okugqwesileyo koxinzelelo lwendalo, ukuchasana kwempembelelo yobushushu obuphantsi kunye nokumelana ne-warpage kwenza i-LLDPE ibe nomtsalane kumbhobho, i-plate extrusion kunye nazo zonke izicelo zokubumba.Ukusetyenziswa kwamva nje kwe-LLDPE kufana nefilim yeplastiki yokufakwa kwenkunkuma kwitiphu yenkunkuma kunye netanki yolwelo lwenkunkuma.

2. Iimpawu zenkqubo yePE:

Eyona nto iphawulekayo yamacandelo e-PE yi-shrinkage enkulu yokubumba, ekulula ukuyicutha kunye nokukhubazeka.Izinto ze-PE zinamanzi amancinci kwaye azikwazi ukomiswa.Uluhlu lweqondo lokushisa lokucubungula lwe-PE lubanzi kakhulu kwaye akulula ukubola (iqondo lokushisa lokubola liyi-320 ℃).Ukuba uxinzelelo luphezulu, ubuninzi bemveliso buphezulu kwaye i-shrinkage incinci.I-PE inobumanzi obuphakathi.Iimeko zokulungisa kufuneka zilawulwe ngokungqongqo kwaye ubushushu bomngundo kufuneka bugcinwe rhoqo (40-60 ℃).I-crystallinity ye-PE ihambelana neemeko zenkqubo yokubumba.Inobushushu obuqinileyo obubandayo.Ukuba iqondo lokushisa lokungunda liphantsi, i-crystallinity iphantsi.Kwinkqubo ye-crystallization, ngenxa ye-anisotropy ye-shrinkage, uxinzelelo lwangaphakathi lugxininiswe, kwaye iinxalenye ze-PE zixhomekeke kwi-deformation kunye nokuqhekeka.Xa imveliso ifakwe kumanzi ashushu kwi-80 ℃, uxinzelelo lunokuphumla kwinqanaba elithile.Ngexesha lenkqubo yokubumba, ubushushu bezinto eziphathekayo kunye nobushushu bokubumba kufuneka bube phezulu.Uxinzelelo lwenaliti kufuneka lube ngaphantsi kwisiseko sokuqinisekisa umgangatho wemveliso.Ukupholisa isikhunta sifuneka ngokukodwa ukuba sikhawuleze kwaye sifane, kwaye imveliso iyatshisa ngexesha lokudiliza.

I-PP (ipolypropylene)

1. Ukusebenza kwePP:

I-PP yi-crystalline polymer.Phakathi kweeplastiki ezisetyenziswa ngokuqhelekileyo, i-PP iyona nto ilula, kunye nobuninzi be-0.91g / cm3 kuphela (ngaphantsi kwamanzi).Phakathi kweeplastiki eziqhelekileyo, i-PP inokumelana nokushisa okuphezulu, kwaye iqondo lokushisa lokuguqulwa kwe-thermal yi-80-100 ℃, enokubiliswa emanzini abilayo.I-PP inokumelana noxinzelelo oluhle lokuqhekeka kunye nobomi bokudinwa obuphezulu, obubizwa ngokuba yi "100% glue".Ukusebenza okubanzi kwePP kungcono kunokwe-PE.Iimveliso zePP zinobunzima obulula, ukuqina okulungileyo kunye nokuchasana kweekhemikhali okulungileyo.Ukungalungi kwePP: ukuchaneka kwe-dimensional ephantsi, ukungonelanga ukuqina, ukuchasana kwemozulu embi kunye nokulula ukuvelisa "umonakalo wobhedu".Ine-post shrinkage phenomenon.Emva kokudilizwa, kulula ukuguga, ube brittle kwaye ukhubazeke.I-PP ibisoloko isesona sixhobo siphambili sokwenza iintsinga ngenxa yobuchule bayo bombala, ukuxhathisa ukunxiba, ukumelana neekhemikhali kunye neemeko zoqoqosho ezifanelekileyo.I-PP yimathiriyeli ye-semicrystalline.Inzima kune-PE kwaye inendawo ephezulu yokunyibilika.Ngenxa yokuba i-homopolymer PP i-brittle kakhulu xa ubushushu bungaphezulu kwe-0 ℃, izixhobo ezininzi ze-PP zorhwebo zi-copolymers ezingaqhelekanga kunye ne-1 ~ 4% ye-ethylene okanye i-copolymers ebambayo kunye nomxholo ophezulu we-ethylene.Iimathiriyeli ze-Copolymer PP zineqondo lobushushu elisezantsi lokuguqula ubushushu (100 ℃), ukungafihli okuphantsi, iglosi ephantsi kunye nobungqongqo obuphantsi, kodwa zinamandla empembelelo enamandla.Amandla e-PP ayanda ngokunyuka komxholo we-ethylene.

2. Iimpawu zenkqubo yePP:

I-PP ine-fluidity elungileyo kunye nokusebenza kokubumba kubushushu obunyibilikayo.I-PP ineempawu ezimbini ekusebenzeni: okokuqala, i-viscosity ye-PP iyancibilika iyancipha kakhulu ngokunyuka kwesantya se-shear (engaphantsi kwefuthe lokushisa);Okwesibini: iqondo eliphezulu le-molecular orientation kunye nokunciphisa okukhulu.Ubushushu bokusebenza kwePP yi220 ~ 275 ℃.Kungcono ukuba ungagqithi malunga ne-275 ℃.Inozinzo oluhle lwe-thermal (iqondo lokushisa lokubola liyi-310 ℃), kodwa kwiqondo lokushisa eliphezulu (270-300 ℃), linokuthobisa ukuba lihlala ixesha elide emgqomeni.Ngenxa yokuba i-viscosity ye-PP iyancipha ngokucacileyo ngokunyuka kwesantya sokucheba, ukonyusa uxinzelelo lwenaliti kunye nesantya senaliti kuya kuphucula ubumanzi bayo, ukushwabana kotshintsho kunye nokudakumba.Iqondo lobushushu lokungunda (40 ~ 80 ℃), 50 ℃ liyacetyiswa.Idigri ye-crystallization igxininiswe kakhulu ngubushushu bokubumba, ekufuneka ilawulwe kuluhlu lwe-30-50 ℃.I-PP inyibilika inokudlula kwisithuba esimxinwa kakhulu kwifa ukwenza i-edge ebukhali.Kwinkqubo yokunyibilika kwePP, kufuneka ithathe ubushushu obunyibilikayo (ubushushu obuthile obukhulu), kwaye imveliso ishushu kakhulu emva kokubunjwa.I-PP ayifuni ukuba yomiswe ngexesha lokucubungula, kwaye i-shrinkage kunye ne-crystallinity ye-PP iphantsi kune-PE.Isantya se-injection sikholisa ukusebenzisa i-high-speed injection molding ukunciphisa uxinzelelo lwangaphakathi.Ukuba kukho iziphene kumphezulu wemveliso, ukubumba inaliti enesantya esisezantsi kubushushu obuphezulu kuya kusetyenziswa.

Iipropati ezahlukeneyo zemathiriyeli ekrwada ehlukeneyo nazo zimisela iinkqubo ezahlukeneyo, ngoko ke ububanzi bokusetyenziswa bukwahlukile.

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