1, iplastiki ye-PE (i-polyethylene)

Ubunzima obuthile: 0.94-0.96g / cm3

Ukuncipha kokubumba: 1.5-3.6%

Ubushushu bokubumba: 140-220 ℃

Ukusebenza kwezinto eziphathekayo

Ukumelana nokukhula, ukugquma kombane (ingakumbi ukugquma amaza ombane aphezulu) kugqwesileyo, kunokufakwa iklorinithi, iradiation modified, ifayibha yeglasi ekhoyo eyomeleziweyo.I-polyethylene yoxinzelelo oluphantsi inendawo ephezulu yokunyibilika, ukuqina, ukuqina kunye namandla, ukufunxa kwamanzi aphantsi, iimpawu ezintle zombane kunye nokuchasana nemitha;i-polyethylene yoxinzelelo oluphezulu inokuguquguquka okuhle, ukunweba, amandla empembelelo kunye nokungena;I-polyethylene ephezulu kakhulu yobunzima bemolekyuli inamandla anempembelelo ephezulu, ukumelana nokudinwa kunye nokunganyangeki.

I-polyethylene yoxinzelelo oluphantsi ifanelekile ukwenza iindawo ezixhathisa ukubola kunye neendawo zokugquma;i-polyethylene yoxinzelelo oluphezulu ifanelekile ukwenza iifilimu, njl.;I-UHMWPE ifanelekile ukwenza ukothuka okufunxayo, ukunxiba okuxhathisayo kunye neenxalenye zosulelo.

Ukubumba ukusebenza

1, Izinto zeCrystalline, ukufunxwa okuncinci kokufuma, akufuneki ukuba zome ngokupheleleyo, ulwelo olugqwesileyo, ubumanzi bunobuntununtunu kuxinzelelo.I-injection ephezulu yoxinzelelo ifanelekile ukubumba, ukushisa kwezinto ezifanayo, ukukhawuleza ukuzaliswa ngokukhawuleza kunye nokubamba uxinzelelo olwaneleyo.Akufanelekanga ukusebenzisa i-gating ngokuthe ngqo ukuthintela ukuncipha okungalinganiyo kunye nokwanda koxinzelelo lwangaphakathi.Nika ingqalelo ekukhethweni kwendawo yesango ukukhusela ukuncipha kunye nokuguqulwa.

2, Uluhlu lokucutheka kunye nexabiso lokucutheka likhulu, ulwalathiso lucacile, kulula ukuguqulwa kunye ne-warpage.Isantya sokupholisa kufuneka sicothe, kwaye umngundo kufuneka ube nemingxuma ebandayo kunye nenkqubo yokupholisa.

3, Ixesha lokufudumeza akufuneki libe lide kakhulu, kungenjalo ukubola kuya kwenzeka kwaye kutshise.

I-4

5, Ukuqhekeka kwenyibilika kunokwenzeka kwaye akufuneki kuqhagamshelane nezinyibilikisi zendalo ukuthintela ukuqhekeka.

2, iplastiki yePC (ipolycarbonate)

Ubunzima obuthile: 1.18-1.20g / cm3

Ukuncipha kokubumba: 0.5-0.8%

Ubushushu bokubumba: 230-320 ℃

Imeko yokomisa: 110-120 ℃ 8 iiyure

Ukusebenza kwezinto eziphathekayo

Amandla empembelelo ephezulu, uzinzo olufanelekileyo, olungenambala kunye nokungafihli, umbala olungileyo, ukugquma kombane kakuhle, ukuxhathisa umhlwa kunye nokumelana ne-abrasion, kodwa ukuzithambisa kakubi, ukuthambekela kokuqhekeka koxinzelelo, i-hydrolysis elula kubushushu obuphezulu, ukungahambisani kakuhle nezinye iirasi.

Ifanelekile ukwenza i-insulating encinci kunye neendawo ezicacileyo zezixhobo kunye neendawo ezichasene nempembelelo.

Ukubumba ukusebenza

I-1, izinto ezi-amorphous, uzinzo oluhle lwe-thermal, uluhlu olubanzi lobushushu bokubumba, ukungahambi kakuhle kwamanzi.Ukufunxwa kokufuma okuncinci, kodwa kubuthathaka emanzini, kufuneka komiswe.Ukubunjwa kwe-shrinkage kuncinci, kukulungele ukunyibilika ukuqhekeka kunye noxinzelelo loxinzelelo, ngoko ke iimeko zokubumba kufuneka zilawulwe ngokungqongqo, kwaye iinxalenye zeplastiki kufuneka zifakwe.

2, ubushushu obunyibilikayo obuphezulu, i-viscosity ephezulu, ngaphezu kwe-200g iinxalenye zeplastiki, kufanelekile ukusebenzisa umbhobho wokwandisa uhlobo lokufudumeza.

3, Isantya sokupholisa ngokukhawuleza, inkqubo yokugalela umngundo ukuba iberhabaxa, imfutshane njengomgaqo, kufuneka imiselwe izinto ezibandayo kakuhle, isango kufuneka lithathwe elikhulu, ukungunda kufuneka shushu.

I-4, iqondo lobushushu lezinto eziphathekayo liphantsi kakhulu liya kubangela ukunqongophala kwezinto eziphathekayo, iinxalenye zeplastiki ngaphandle kokukhazimula, ubushushu bezinto eziphathekayo buphezulu kakhulu kulula ukuphuphuma emphethweni, iindawo zeplastiki zivutha.Xa iqondo lobushushu lokungunda lisezantsi, ukushwabana, ukunweba kunye namandla empembelelo aphezulu, ngelixa ukugoba, ukucinezelwa kunye namandla okuqina aphantsi.Xa iqondo lobushushu lokungunda lidlula i-120 degrees, iindawo zeplastiki zicotha ukuphola kwaye kulula ukukhubaza kwaye zinamathele kubumba.

3, iplastiki ye-ABS (i-acrylonitrile butadiene styrene)

Umxhuzulane okhethekileyo: 1.05g/cm3

Ukuncipha kokubumba: 0.4-0.7%

Ubushushu bokubumba: 200-240℃

Imeko yokomisa: 80-90 ℃ iiyure ezi-2

Ukusebenza kwezinto eziphathekayo

I-1, Ukusebenza ngcono ngokubanzi, amandla empembelelo ephezulu, uzinzo lweekhemikhali, iipropathi ezilungileyo zombane.

2, fusion Good kunye 372 iglasi eziphilayo, eyenziwe amalungu eplastiki imibala emibini, kunye nomphezulu kunokuba chrome-plated, unyango ipeyinti yokutshiza.

I-3, kukho impembelelo ephezulu, ukumelana nobushushu obuphezulu, i-flame retardant, ephuculweyo, ecacileyo kunye namanye amanqanaba.

I-4, i-fluidity imbi ngakumbi kune-HIPS, ingcono kune-PMMA, i-PC, njl., ukuguquguquka okulungileyo.

Ilungele ukwenza amalungu omatshini ngokubanzi, iindawo ezinganxibiyo, iindawo zothumelo kunye neendawo zonxibelelwano.

Ukubumba ukusebenza

I-1, imathiriyeli ye-amorphous, ubumanzi obuphakathi, ukufunxa ukufuma, kufuneka zomiswe ngokupheleleyo, iimfuno zomphezulu weendawo zeplastiki ezikhazimlayo kufuneka zibe lixesha elide lokumisa ubushushu be-80-90 degrees, iiyure ezi-3.

2, Kuyacetyiswa ukuba uthathe ubushushu bezinto eziphezulu kunye nobushushu obuphezulu bokungunda, kodwa ubushushu bezinto ezibonakalayo buphezulu kakhulu kwaye kulula ukubola.Ukufumana iindawo zeplastiki ezichanekileyo, ubushushu bokubumba kufuneka bube ngama-50-60 degrees, kwaye kwiindawo zeplastiki ezikwazi ukumelana nobushushu, ubushushu bokubumba kufuneka bube ngama-60-80 degrees.

I-3, Ukuba ufuna ukusombulula ingxaki yokuxinana kwamanzi, kufuneka uphucule ubumanzi bezinto eziphathekayo, uthathe ubushushu obuphezulu bezinto eziphathekayo, ubushushu obuphezulu bokubumba, okanye utshintshe inqanaba lamanzi kunye nezinye iindlela.

I-4, enjengokwenza izinto zebanga elikwaziyo ukumelana nobushushu okanye i-flame-retardant, umphezulu wokubumba emva kweentsuku ezi-3-7 zemveliso uya kuhlala ubola ngeplastiki, okubangela ukuba umphezulu ubengezelelekileyo, ukungunda kufuneka kucocwe ngexesha elifanelekileyo, ngelixa indawo yokubumba idinga ukwandisa indawo yokukhupha.

4, iplastiki yePP (ipolypropylene)

Ubunzima obuthile: 0.9-0.91g / cm3

Ukuncipha kokubumba: 1.0-2.5%

Ubushushu bokubumba: 160-220℃

Iimeko zokomisa: -

Iimpawu zezinto eziphathekayo

Ubuninzi obuncinci, amandla, ukuqina, ubunzima kunye nokumelana nokushisa kungcono kunoxinzelelo oluphantsi lwe-polyethylene, lunokusetyenziswa malunga ne-100 degrees.Iipropati zombane ezilungileyo kunye ne-high-frequency insulation ayichaphazeli ukufuma, kodwa iba yi-brittle kwiqondo lokushisa eliphantsi kwaye ayinakumelana nokungunda kwaye kulula ukuguga.

Ifanelekile ukwenza iinxalenye zoomatshini ngokubanzi, iindawo ezixhathisa ukubola kunye neendawo zokugquma.

Ukubumba ukusebenza

I-1, imathiriyeli yekristale, ukufunxa ukufuma kuncinci, kulula ukunyibilika ukuphuka komzimba, ukudibana kwexesha elide kunye nokubola kwesinyithi esishushu.

I-2, i-fluidity enhle, kodwa uluhlu lwe-shrinkage kunye nexabiso le-shrinkage likhulu, kulula ukwenzeka ukushwabana, ukubola, ukuguquka.

I-3, isantya sokupholisa ngokukhawuleza, inkqubo yokugalela kunye nenkqubo yokupholisa kufuneka icothe ukutshabalalisa ubushushu, kwaye ubeke ingqalelo ukulawula ubushushu bokubumba.Isalathiso sobushushu obuphantsi bezinto ezibonakalayo siyabonakala, ngakumbi kwiqondo lokushisa eliphantsi kunye noxinzelelo oluphezulu.Xa iqondo lokushisa lokubumba lingaphantsi kwama-degrees angama-50, iinxalenye zeplastiki azigudi, kulula ukuvelisa ukuxubana okungahambi kakuhle, ukushiya amanqaku, kwaye ngaphezu kwama-90 degrees, kulula ukujika kunye nokuguqulwa.

I-4, ubukhulu bodonga lweplastiki kufuneka bufane, kuphephe ukungabikho kweglue, iikona ezibukhali, ukuthintela uxinzelelo loxinzelelo.

5, iplastiki yePS (ipolystyrene)

Umxhuzulane okhethekileyo: 1.05g/cm3

Ukuncipha kokubumba: 0.6-0.8%

Ubushushu bokubumba: 170-250℃

Iimeko zokomisa: -

Ukusebenza kwezinto eziphathekayo

Ukugquma kombane (ingakumbi ukugquma amaza ombane aphezulu) kugqwesileyo, akunambala kwaye kuyabonakala, izinga lokuhanjiswa kokukhanya lilesibini kuphela kwiglasi ephilayo, umbala, ukunganyangeki kwamanzi, ukuzinza kweekhemikhali kulungile.Amandla gabalala, kodwa brittle, kulula ukuvelisa i-stress brittle crack, enganyangekiyo kwi-benzene, petroli kunye nezinye izinyibilikisi eziphilayo.

Kufanelekile ukwenza iindawo ezikhuselayo kunye nezicacileyo, iindawo zokuhombisa kunye neengxenye zezixhobo zeekhemikhali kunye nezixhobo ze-optical.

Ukwenza umsebenzi

I-1, izinto ze-amorphous, ukufunxa okuncinci kokufuma, akufuneki ukuba zome ngokupheleleyo, akukho lula ukubola, kodwa i-coefficient yokwandiswa kwe-thermal inkulu, kulula ukuvelisa uxinzelelo lwangaphakathi.Ukuqukuqela okuhle, kufumaneka kwi-screw okanye isitofu sokubumba umatshini we-plunger.

2, Ubushushu bezinto eziphakamileyo, ubushushu obuphezulu bokubumba kunye noxinzelelo lwenaliti ephantsi zifanelekile.Ukwandisa ixesha lokutofa kunenzuzo ekunciphiseni uxinzelelo lwangaphakathi kunye nokuthintela ukuncipha kunye nokuguqulwa.

I-3, ekhoyo kwiindlela ezahlukeneyo zesango, isango kunye neplastiki yokudibanisa i-arc, ukwenzela ukuba ugweme umonakalo kwiindawo zeplastiki xa usiya esangweni.I-slope ye-demoulding inkulu, i-ejection ilinganayo, ubukhulu bodonga lwenxalenye yeplastiki buyiyo, kungcono ukuba ungabikho ukufakwa, ukuba kukho ukufakwa, kufuneka kushushu.