Kutheni le nto isayensi ye-screw barrel ibalulekile ekubunjweni kwesitofu

Xa ndisebenza ngePlastiki yePlastiki yokubumba i-screw barrel, ndibona indlela uyilo lwayo olubumba ngayo yonke indawo esiyenzayo. Izifundo zokulinganisa zibonisa ukuba nkquutshintsho oluncinci kwisantya se-screwokanye imimandla yoxinzelelo inokunyusa umgangatho kunye nokusebenza kakuhle. Nokuba ndisebenzisa i-aI-Twin Plastic Screw Barelokanye qhuba aUmgca wePlastiki woMveliso wePlastiki, ekunenePlastic Machine Screw Barelyenza wonke umahluko.

Imisebenzi yePlastiki Isitofu sokubumba umbhobho wesikrufu

Xa ndijonga entliziyweni yawo nawuphi na umatshini wokubumba inaliti, ndibona umbhobho wesikrufu usenza wonke umsebenzi onzima wokuphakamisa. Ayingombhobho nje onesikrufu sokusonta ngaphakathi. Uyilo kunye nokusebenza kwe-screw barrel shape yonke inyathelo lenkqubo yokubumba. Makhe ndicazulule imisebenzi yayo ephambili kwaye kutheni nganye ibalulekile.

Ukunyibilika kunye nokuxutywa kweePolymers

Into yokuqala eyenzekayo ngaphakathi kwe-screw barrel kukunyibilika kunye nokuxuba iipellet zeplastiki. Ndigalela iipellets kwi-hopper, kwaye i-screw iqala ukujikeleza ngaphakathi kwi-barrel evuthayo. Umgqomo unemimandla eyahlukeneyo yobushushu, ngoko ke iplastiki ishushu kancinci kancinci. Uninzi lokunyibilika luvela kungquzulwano kunye noxinzelelo oludalwe sisikrufu sokuhlikihla kwiipellet kunye nodonga lomgqomo. Le nkqubo igcina iplastiki ingatshisi kakhulu kwaye iyinceda inyibilike ngokulinganayo.

• I-screw barrel iqulethe isikrufu se-helical esijikelezayo ngaphakathi kombhobho omileyo.
• Izifudumezi zemibhobho zifudumeza umgqomo ngaphambi kokuba ndiqale, ngoko i-polymer inamathela kwaye iqala ukunyibilika.
• Nje ukuba isikrufu sijike, uninzi lwamandla okunyibilika luvela kwi-chear phakathi kwesikrufu kunye nodonga lombhobho.
• Uyilo lwesikrufu, ngakumbi indlela ubunzulu betshaneli buba buncinci kwicandelo loxinzelelo, lunyanzela iplastiki enganyibilikiyo ngokuchasene nodonga lombhobho oshushu. Oku kwandisa ukunyibilika kunye nokuxuba.
• Njengoko iplastiki iqhubela phambili, i-melt pool ikhula de yonke into inyibilike. Ukucheba okuqhubekayo kuxuba iplastiki etyhidiweyo ngakumbi.

Ndihlala ndinikela ingqalelo kwindlela iplastiki inyibilika ngayo kwaye ixube. Ukuba i-melt ayifani, ndibona iingxaki ezifana ne-streaks okanye iindawo ezibuthathaka kwiindawo zokugqibela. Uyilo lombhobho wesikrufu, kubandakanywa nawoubude, inowuthi, nobunzulu bejelo, yenza umahluko omkhulu kwindlela enyibilika ngayo kwaye ixube iintlobo ezahlukeneyo zeeplastiki.

Ingcebiso:Uninzi lwamandla okuqhuba kwi-screw barrel-malunga ne-85-90%-iya kunyibilika iplastiki, kungekhona nje ukuyihambisa phambili.

Ukuhanjiswa kunye ne-Homogenization

Nje ukuba iplastiki iqalise ukunyibilika, i-screw barrel ithatha omnye umsebenzi obalulekileyo: ukuhambisa izinto phambili kunye nokuqinisekisa ukuba zifana ngokupheleleyo. Ndicinga oku njengendawo "yolawulo lomgangatho" ngaphakathi kumatshini. I-screw barrel yahlulwe yangamacandelo amathathu aphambili, ngalinye linomsebenzi walo:

Ndiye ndaqaphela ukuba ijiyometri ye-screw barrel-efana ne-pitch kunye nobunzulu be-screw flights-ichaphazela ngokuthe ngqo indlela iplastiki ehamba ngayo kunye nokuxuba.Imiphanda grooved, umzekelo, nceda ukugcina uxinzelelo luzinzile kwaye ndiphucule ukuba zininzi kangakanani izinto endinokuzilungisa, nokuba zihamba ngesantya esiphezulu. Ukuba ndifuna ukonyusa umthamo, ndinganyusa i-screw pitch okanye ndisebenzise indawo enkulu yokuvula. Zonke ezi zixhobo zoyilo zinceda i-screw barrel ukuzisa ukunyibilika okuzinzileyo, okufanayo kwi-mold, okuthetha iziphene ezimbalwa kunye namalungu angaguqukiyo.

• Ulawulo lobushushu lomgqomoibaluleke kakhulu ekunyibilikeni okufanayo kunye nokusebenza kakuhle kwenkqubo.
• Iindawo zokufudumeza ezininzi ezinyuka ngokuthe ngcembe amaqondo obushushu ukuya ekufeni zinciphisa iziphene kwaye ziphucule amaxesha omjikelo.
• Ubume be-screw bukhulisa ukudibanisa kunye nokuhambisa ukusebenza kakuhle.

Isitofu kunye nokuzaliswa kweMold

Emva kokuba iplastiki inyibilikile kwaye ixutywe, i-screw barrel ilungela umzuzu omkhulu: ukutofa iplastiki etyhidiweyo kwi-mold. Nantsi indlela endiyibona ngayo inkqubo iqhubeka:

1. Umphanda ojijwayo ufumana iipeliti zeplastiki ekrwada kwihopper.
2. I-screw ijikeleza kwaye iqhubela phambili ngaphakathi kwi-barrel evuthayo, ukunyibilika, ukuxuba, kunye ne-homogenizing iplastiki.
3. Ukucheba ngoomatshini ngesikrufu kwenza ubushushu obukhubekisayo, bunciphisa i-viscosity yeplastiki ukuze ikwazi ukuhamba.
4. Izinto ezinyibilikisiweyo ziqokelelana ngaphambili kwesikrufu, zenze “ishot” elilinani elilungileyo lokugcwalisa ukungunda.
5. Isikrufu sitofa imbumbulu etyhidiweyo kuxinzelelo oluphezulu kunye nesantya kumgodi wokungunda.
6. I-screw igcina uxinzelelo lokupakisha ukuqinisekisa ukuba umngundo uzalise ngokupheleleyo kwaye uhlawule nayiphi na i-shrinkage.
7. Emva kokuba umngundo uzalise, isikrufu sirhoxa ukuze silungele umjikelo olandelayo ngelixa inxalenye iphola.

Ndihlala ndibukele ukusebenza kwe-screw barrel ngeli xesha. Ukuba iqondo lobushushu lokunyibilika okanye izinga lokuhamba alihambelani, ndifumana ukugcwaliswa komngundo okungalinganiyo okanye amaxesha omjikelo omde. Ukusebenza komgqomo wesikrufu ekunyibilikeni nasekushukumeni kweplastiki ngokukhawuleza kundinceda ukuba ndigcine amaxesha omjikelo amafutshane kwaye inxalenye yomgangatho ophezulu. Yiyo loo nto ndinika ingqwalasela enkulu kuyilo kunye nemeko yePlastiki yokubumba umbhobho wesikrufu-ilawula yonke inkqubo ukusuka ekuqaleni ukuya ekugqibeleni.

Uyilo lweScrew kunye neMpembelelo yalo kwiZiphumo zokuBumba

Ukuthelekisa iScrew Geometry kwiiNdidi zeResin

Xa ndikhetha isikrufu somatshini wam, ndihlala ndicinga ngohlobo lwentlaka endiceba ukuyisebenzisa. Ayizizo zonke izikrufu ezisebenza kakuhle ngayo yonke iplastiki. Uninzi lweevenkile zisebenzisa izikrufu zenjongo jikelele, kodwa ndibonile ukuba ezi zinokubangela njani iingxaki ezifana nokunyibilika okungalinganiyo kunye namachaphaza amnyama kwimveliso yokugqibela. Kungenxa yokuba ezinye iireyini zidinga uyilo olukhethekileyo lokujikela ukuthintela iindawo ezifileyo kwaye ugcine iyunifomu yokunyibilika.

• Izikrufu zezithintelo zahlula iipellets eziqinileyo kwiplastiki etyhidiweyo, ezinceda ukunyibilikisa izinto ngokukhawuleza kwaye zehlise ukusetyenziswa kwamandla.
• Amacandelo okuxuba, afana ne-Maddock okanye i-zig-zag mixers, qinisekisa ukuba iqondo lokushisa elinyibilikayo kunye nombala uhlala ngokulinganayo, ngoko ke ndibona amanqaku amancinci kunye nemigca ye-weld.
• Olunye uyilo lwezikrufu, njengesikrufu sokuxuba seCRD, sebenzisa ukuqukuqela okude endaweni yokucheba. Oku kugcina i-polymer ingaqhekeki kwaye indinceda ndiphephe iijeli kunye nokutshintsha kombala.

Uphononongo lwemizi-mveliso lubonisa ukuba ukuya kuthi ga kwi-80% yoomatshini abanemiba yokuthotywa kwentlaka edityaniswe kuyilo lwesikrufu. Ndihlala ndithelekisa ijiyometri yesikrufu kudidi lweresin ukugcina amalungu am omelele kwaye engenaziphene.

Iziphumo zokuNyibilika, ukuxubana, kunye noMgangatho weZiphumo

Ijiyometri yesikrufu ibumba indlela iplastiki enyibilika ngayo, ixutywa, kwaye ihamba kakuhle ngayo. Ndiqaphele ukuba uyilo oluphambili lwe-screw, njengesithintelo seenqwelomoya kunye namacandelo okuxuba, tyhala i-polymer enganyibilikiyo kufutshane nodonga lomgqomo. Oku kwandisa ukufudumeza kwe-chear kwaye kunceda ukunyibilika ukuba kufane.

Nalu ujongo olukhawulezileyo kwindlela ezisebenza ngayo iijiyometri zezikrufu ezahlukeneyo:

Ndihlala ndijonge ukulingana. Ukuba ndityhala i-throughput ephezulu, ndisengozini yokuphulukana ne-homogeneity. Iuyilo Screw ekunenekumbhobho wam wePlastiki wokubumba isikhonkwane undinceda ukuba ndigcine ubushushu obunyibilikayo buzinzile, ndinciphise iziphene, kwaye ndihambise iindawo ezingaguqukiyo kumjikelo ngamnye.

Ingcebiso: Ndijonga umgangatho wokunyibilika ngokujonga ukuhambelana kombala kunye namandla enxalenye. Isikrufu esiyilwe kakuhle senza oku kube lula.

UKhetho lweMathiriyeli yePlastiki Isitofu sokubumba umbhobho wesikrufu

UkuNxitywa kunye noKunyangwa kokuMhlwa

Xa ndikhetha imathiriyeli yeIsitofu sePlastiki sokubumba umgqomo wesikrufu, Ndihlala ndicinga ngendlela onzima ngayo umsebenzi. Ezinye iiplastiki zineentsinga zeglasi okanye iiminerali ezisebenza njengephepha lesanti, ezinxiba isikrufu kunye nomphanda ngokukhawuleza. Ezinye, njenge-PVC okanye i-retardant-retardant resins, zinokugqwesa kakhulu. Ndifuna izixhobo zam zihlale ixesha elide, ngoko ke ndijonge izixhobo ezimelana nokunxiba kunye nokudleka.

Nanku ujongo olukhawulezayo kwezinye izinto eziqhelekileyo:

Ndibonile ukuba ukusebenzisa imiphanda ye-bimetallic okanye izixhobo zentsimbi kunokwandisa ubomi bezixhobo zam. Ezi zixhobo zixhathisa zombini ukukrwela kunye nokuhlaselwa kweekhemikhali. Xa ndisebenzisa ukudibanisa okufanelekileyo, ndichitha ixesha elincinci ekulungiseni kunye nexesha elininzi ndenza iinxalenye ezilungileyo.

Ingcebiso: Ukuba ndiqhuba iiplastiki ezininzi ezizaliswe ngeglasi okanye ezinqanda amadangatye, ndihlala ndikhetha imigqomo eneengubo eziphambili okanye iilitha ze-bimetallic. Oku kugcina ishedyuli yam yogcino luqikeleleka kwaye ixesha lam lokuphumla lisezantsi.

Ukukhetha izixhobo zeePolymers eziKhethekileyo kunye nezongezo

Iplastiki nganye inobuntu bayo. Ezinye zithambile, ngelixa ezinye zikhohlakele kwisixhobo. Xa ndikhetha izixhobo zesikrufu sam kunye nomgqomo, ndizithelekisa neeplastiki kunye nezongezo endizisebenzisa kakhulu.

• Iifayibha zeglasi kunye neeminerali zihlafuna iintsimbi ezithambileyo, ngoko ke ndiye kwi-alloys eqinisiweyo okanye i-tungsten carbide coatings.
• Iiplastiki ezibolileyo, njenge-PVC okanye i-fluoropolymers, zifuna imigqomo eyenziwe nge-nickel-based alloys okanye insimbi engenasici.
• Iinreyisi zobushushu obuphezulu zinokubangela ukudinwa kwe-thermal, ngoko ke ndiyajonga ukubaScrew kunye nomgqomoukwandisa ngesantya esifanayo.
• Ukuba ndisebenzisa izixhobo ezininzi ezahlukeneyo, ngamanye amaxesha ndikhetha uyilo lwemodyuli yesikrufu. Ngaloo ndlela, ndiyakwazi ukutshintshisa amacandelo agugileyo ngaphandle kokususa sonke isikrufu.

Ndihlala ndithetha nomthengisi wam we-resin ngengcebiso. Bayazi ukuba zeziphi izinto ezisebenza kakuhle ngeeplastiki zabo. Ngokukhetha izixhobo ezifanelekileyo, ndigcina umbhobho wam wesikrufu sePlastiki Isitofu sokubumba sisebenza kakuhle kwaye ndinqande ukophuka okumangalisayo.

Izinto ezintsha kwi-Plastiki Isitofu sokubumba umbhobho we-screw Technology

Iingubo eziPhezulu kunye noNyango lwangaphandle

Ndiyibonile indlela i-coatings eqhubela phambili kunye nonyango lwangaphezulu olunokwenza umahluko omkhulu ekubeni imiphanda yam yesikrufu ihlala ixesha elingakanani. Xa ndisebenzisa imigqomo ene-bimetallic linings okanye i-tungsten carbide coatings, ndiqaphela ukuguga okuncinci kunye nokuqhekeka okumbalwa. Ezi zogquma zinceda umgqomo ukuxhathisa i-abrasion kunye ne-corrosion, naxa ndiqhuba izinto ezomeleleyo ezifana ne-resins egcwele iglasi. Ezinye iingubo zisebenzisa i-nano-materials, ezinceda ukutshatyalaliswa kobushushu kunye nokugcina inkqubo izinzile. Ndikwathanda ukuba olu nyango lunciphisa ukudibana kwentsimbi ukuya kwintsimbi, ngoko ke isikrufu kunye nomgqomo azikhulani ngokukhawuleza.

Nantsi into endiyijongayo kwiingubo eziphambili:

• Iialloyi ezikwaziyo ukunxiba ezihambelana nemathiriyeli endiyiqhubayo
• Unyango oluphezulu oluphatha amaqondo obushushu aphezulu kunye neekhemikhali ezinobundlobongela
• Iingubo ezigcina inkqubo zizinzile kwaye zinciphise ixesha lokuphumla

Xa ndikhetha isambatho esifanelekileyo, ndichitha ixesha elincinci ekulungiseni kwaye ndichitha ixesha elingakumbi ndisenza iindawo ezilungileyo. Ubuchwephesha beMetallurgical bubalulekile apha. Ukudibanisa okufanelekileyo kwe-alloy kunye nokwaleka kunokuphinda kabini okanye kathathu ubomi benkonzo yezixhobo zam.

UYilo oluSiko lwezicelo eziZodwa

Ngamanye amaxesha, ndidinga okungaphezulu nje kombhobho oqhelekileyo wokujija. Uyilo oluqhelekileyo lundinceda ndisombulule imiceli mngeni eyodwa yokubumba. Umzekelo, ndisebenzise imigqomo ye-conical twin screw ukuphucula ukuxuba kunye nolawulo lobushushu. Ndikhe ndabona izikrufu zesiko eziyilelwe ukukhawulezisa amaxesha okujikeleza, ukuphucula umgangatho wokunyibilika, kunye nokunciphisa ukucheba kakhulu.

Ezinye iinketho endiziqwalaselayo kuyilo oluqhelekileyo:

• Izikrufu kunye nemigqomo eyenziwe kwiintsimbi ezikhethekileyo ezifana ne-D2 Tool Steel okanye amabakala e-CPM
• Ukuqina komphezulu njengeStellite okanye iColmonoy ukuqina okongeziweyo
• Imibhobho eyenzelwe izinto ezithile, njengesiseko senickel esine-carbide yeepolima ezizaliswe yiglasi.
• Iindibano zevalve yesiko kunye nee-caps zokugqibela ezineengubo eziphambili

Izisombululo zesiko zivumela ukuba nditshatise izixhobo zam kwiimfuno ezichanekileyo zenkqubo yam. Oku kuthetha umgangatho ongcono wenxalenye, imijikelo ekhawulezayo, kunye nexesha elincinci lokuphumla. Ndihlala ndisebenza neqela loyilo elisiqondayo isicelo sam kwaye linokunikezela ngobuchwephesha obukumgangatho ophezulu.

Ukuchongwa kunye nokuJonga iNgxaki kwiMiba ye-Screw Barel

Iimpawu eziqhelekileyo zokunxiba okanye ukusilela

Xa ndiqhuba oomatshini bam, ndihlala ndijonge iimpawu ezilumkisayo kwangethuba ukuba kukho into engalunganga ngombhobho wesikrufu. Ukubona le miba kwangethuba kundinceda ndiphephe iingxaki ezinkulu kamva. Nazi ezinye izinto endizibukelayo:

• Izinto ezivuzayo zijikeleze umphanda, ngokuqhelekileyo kuthetha izitywina ezigugileyo okanye ukukhululeka kakhulu.
• Amalungu aphuma kunye nobukhulu obungahambelaniyo okanye amachaphaza amnyama-ezi zihlala zikhomba ukuxubana kakubi okanye ukungcoliswa.
• Ubushushu bokusebenza obuphezulu, ngamanye amaxesha bubangelwa kukungqubana okanye ukwakhiwa kwekhabhoni ngaphakathi kombhobho.
• Ingxolo engaqhelekanga okanye ukungcangcazela ngexesha lokusebenza. Oku kunokuthetha ukungahambi kakuhle, iibheringi ezaphukileyo, okanye into yangaphandle ngaphakathi.
• I-spikes yoxinzelelo okanye ukuhamba kakubi kokunyibilika, okwenza kube nzima ukuzalisa isikhunta ngokufanelekileyo.
• Iibhlokhi okanye ukwakhiwa kwezinto ngaphakathi komgqomo, okukhokelela ekunciphiseni ixesha kunye neendawo ezimbi.
• Iingxaki zokuxuba umbala okanye ungcoliseko, ngokufuthi kwizinto ezishiyekileyo okanye ulawulo olubi lobushushu.
• Umhlwa obonakalayo okanye imingxuma, ngakumbi ukuba ndisebenzisa iireyini ezidlayo.
• Iinqwelomoya ezigugileyo okanye i-barrel linening, endiyibona rhoqo xa usebenzisa izihluzi ezirhabaxa ezifana nefiber yeglasi.
• Ukunyibilika okucothayo, inkunkuma eninzi, kunye namaxesha omjikelo omdenjengoko isixhobo sisonakala.

Ukuba ndiqaphela nayiphi na kwezi mpawu, ndiyazi ukuba lixesha lokujonga i-screw barrel ngaphambi kokuba izinto zibe mandundu.

Iingcebiso eziSebenzayo zokulungisa iingxaki kunye noLondolozo

Ukugcina oomatshini bam besebenza kakuhle, ndilandela inkqubo eqhelekileyo yokuyilungisa. Nantsi eyona nto indisebenzela kakuhle:

1. Ndisebenzisa kuphela izithambiso ezicetyiswa ngumenzi.
2. Ndijonga amanqanaba eoli ye-hydraulic yonke imihla kwaye nditshintshe ioyile kwishedyuli.
3. Ndibukela ubushushu be-oyile kwaye andiyivumeli ukuba ishushu kakhulu.
4. Ndihlola imibhobho, iimpompo, kunye neevalvu ukuba azivuzi okanye azigugi.
5. Ndiyacoca kwaye ndiqinise iibhanti zesifudumezi rhoqo ngenyanga.
6. Ndisebenzisa umfanekiso oshushu ukubona iingxaki zokufudumeza kwangethuba.
7. Ndibeka iliso kumaxesha okujikeleza, amaxabiso okulahlwa, kunye nokusetyenziswa kwamandla ukubamba imiba ngaphambi kokuba ikhule.
8. Ndihlala ndicoca isikrufu kunye nomphanda ukunqanda ukwakheka.
9. Ndiqinisekisa ukuba isikrufu sihlala sithe tye kwaye silungelelanisiwe ngexesha lofakelo.
10. Ndiqeqesha iqela lam ukuba libone iimpawu zokuqala zokuguga kwaye ligcine iimeko zokusetyenzwa zizinzile.

Ukuhlala phezu kwale misebenzi kundinceda ndiphephe ukophuka kwaye ndigcine umgca wam wemveliso usebenza kakuhle.

Xa ndigxininisa kwisayensi emva kwePlastiki Injection molding screw barrel, ndibona iziphumo zangempela. Ndifumana iinxalenye ezingcono, imijikelo ekhawulezayo, kunye nexesha elincinci lokuphumla.

• Iindleko zokulungisa ezisezantsi
• Ukuphuculwa komgangatho wemveliso
• Ubomi bezixhobo ezide

Ukuhlala ubukhali nge-screw barrel yesayensi kugcina umveliso wam uthembekile kwaye usebenza kakuhle.

FAQ

Zeziphi iimpawu ezindixelela ukuba umgqomo wam osisikruru ufuna ukutshintshwa?

Ndiqaphela amachaphaza amnyama amaninzi, iindawo ezingalinganiyo, okanye ingxolo engaqhelekanga. Ukuba ndibona ezi, ndijonga umgqomo wesikrufu ukuba unxibe okanye wonakele kwangoko.

Ndingawucoca kangaphi umphanda wam wesikrufu?

Ndicoca umgqomo wam we-screw emva kokutshintsha kwayo yonke into. Ukuqhuba rhoqo, ndiyayijonga kwaye ndiyicoce ubuncinane kanye ngeveki ukunqanda ukwakhiwa.

Ndingasebenzisa umphanda omnye wokujija kuzo zonke iindidi zeeplastiki?

• Ndiyakuphepha ukusebenzisa i-screw barrel kwiplastiki nganye.
• Ezinye iiplastiki zidinga izinto ezikhethekileyo okanye iingubo zokukhusela ukuguga okanye ukubola.