Izinkambo Zokubhala Ngempilo Yase-Polyurethane: Ukuthuthukisa Ukuphatha Kwe-Grading Ngokuphelele

Amathuba Okwemvelo Wokusebenza Kwemithombo Yase-Polyurethane

Ukubuyela Kwemvelo Yokuziphatha Nokugcina Kwe-Aperture Ngaphansi Kwemisebenzi Yomkhondo

Imidiya yefishele eyenziwe ngaphandle kwe-polyurethane inemfundo yokuqonda yokubuyela emuva eyamazingi ekugcinile imikhawulo ngokuphelele nakwemiphumela yezibonakaliso zokuhamba kahle. Nge-modulus yokuqonda ukubuyela emuva okufika ku-50,000 psi, lezimateriali zibuyela emuva kahle ngokushesha ngemuva kokungena kwezinto ezihlukene. Lokhu kubalulekile kakhulu ukugcina izivikelo zokubala okulinganayo xa kusebenziswa amagregathi amabi. Imifuba yamathali iyabuka ngokuphambili xa ibhekwa kahle, kodwa i-polyurethane ibuyela emuva kwenye indawo apho waye yena ngaphambi. Ngokulandela isipho esitholakala ku-Industrial Minerals ngo-2023, lokhu kusiza ukuncima iziklasi zezinye izinyama ngemiphumela engu-19 percent. Kunezinkimbinkimbi eziphambili ezingafanele ukuzibonakalisa:

• Izikhawulo zokuvula eziphambili ngaphandle kokubuka kwezibonakaliso zokuhamba kahle, ekugcinile ukungafani kwezinye izinyama
• isikhathi sokusebenza esingaphezu kwe-40% ngaphandle kwamathali ase-stainless steel
• Ukuvumela kwevibration okugcinile izichazi zokuhlukaniswa kwezindawo eziningi

Izikhawulo Ezihlukene: Isimo Sokungabonakali Ukugcina Ukulinganayo

Ukulungiswa kwethu okwenziwe ngokwemithombo kwezindawo zokuvula kuzokuvula izinkinga zokufihla ngokusebenzisa izindawo zokuvula ezizimele. Izindawo zokuvula zazinye zibhekana nezindawo zokuvula ezingaphansi kwezindawo zokuvula ezizimele, futhi ziyagcina ukuba zingaphezulu njengoba ziyagcina ukuphuma kwezindawo zokuvula, okuhambisana nge-15 ku-25 izidigirii. Lokhu kulungile kakhulu kubhekana nokuthi kuyabeka amasonto akhona ngaphandle emkhombiso yabo, kodwa akayikwazi ukuthi aqonde kahle kusukela kumkhombiso wabo. Lokhu kusho ukuthi? Iskrini isibonakalise kahle (ngemphakathi yama-98%) nakuba sisebenzisa izinto ezinzima njengeclay eyisilwa noma ilimestone. Iziskrini eziphathelene ngezinsuku zokusebenza ziyagcina ukuba ziyasebenza ngemphakathi yama-40% emva kwezinsuku ezintathu zokusebenza nazo. Abaprofayili bokugcina abasebenzisa lokhu kulungile kubonisa ukuthi kubonakala ukuthuthukiswa kakhulu kwezinkulungwane zokugcina, okusho ukuthi kunezinkinga ezincinci zokuhlala kahle kanye nokuthuthukiswa kakhulu kwezinkulungwane zokusebenza esikhundleni.

• ukuthuthukiswa kwe-22% kwezinhlobo zokusebenza ngokusebenzisa izinhlobo zokusebenza ezinomthwalo ngokuthi kunciphisa ukuthi kubekhona ukuthi kubekhona kusukela kumkhombiso wabo
• Akukho ukuchaza kwezinye ngokwesandla ngemizuzu yezikhathi zokusebenza eziyisishiyagalombili
• Ukuchaphazela okungaphezu kwe-0.5% kwizinhlobo zokusebenza zokugcina emva kwezikhathi zokusebenza eziyisikhumbu

Ukuthi I-Polyurethane Screen Media Iqondisa Izingxenye Eziningi Zokuzivikela Kwezinkinga Zokuzivikela Kwezinkinga Zokuzivikela

Ukukhupha Ukuzivikela Ne-Ukuzivikela Ngemiphumela Yomlando Wokuzivikela

Amaphetha esikrini esenziwe ngokuqondisa kwe-polyurethane asinda amathuba okuthi izinto zihlambane ngokwesibonelo sokuthi isikrini sikhanyisa. Uma izinye izinto zihamba kusikrini, kuzoba nokuhlela kahle isikrini, emva koko kuzoba nokuthi izinto zihlambane futhi zihlakazekwa uma isikrini sibuyela ekupheleni kwalo. Lokhu kusiza ukususa izinye izinto ezincane kabusha, ngaphambi kokuthi zihlambane noma zihlakazekwe kumaphepha wesikrini. Umsebenzi wawo wonke uzosiza ukuthi imiphepha yesikrini ibe yisibonelo sobude lwasekupheleni kwemisebenzi, ngaphandle kokuthi kubhekwe ngokwesibonelo noma kuchazwe ngokwesibonelo ngumuntu. Amakhaya amaningi okusebenzisa izinkulungwane zomhlaba abanquma ukuthi izithuthi zabo zisebenza ngamashumi amathathu kuya kwezinhlanu ngamashumi amabili kuya kwezinhlanu ngamashumi amabili ngaphambi kokuthi kufuneka kuchazwe ngokwesibonelo kunezithuthi zokugcina ezingaphansi. Ngasinye isikhathi isikrini sivibratha emisebenzini, kuzoba nokuchaza ngokwesibonelo. Ngaphezu kwalokho, isimo sesikhala sokuphakama kwezimphepha ziyisibonelo sokuthi ziyadonsa izinto ezihlambane phansi futhi zihlakazekwa kusendaweni apho izinto ezintsha zihamba, ukuze zibe yisibonelo sokuthi zihamba ngokwesibonelo kusenzo lonke.

Ukunciphisa Ukuphakama Ngokusebenzisa Ukuchitha Kwe-Vibration Ngokujwayelekile

Ukufumana ukwahlukaniswa okuhle kwezinkulungwane kuyidinga ubukhulu obulinganiselwe bokuvibrasi. Uma kunezivibrasi eziningi kakhulu, izinkulungwane ezingaphansi ziyakwakha phezulu kweminye engaphezulu njengomphakathi phezulu kwezincili. Uma kunezivibrasi ezingafanele, konke kuyakwakha kusobala ngamaphakathi. Le nto yisibonelo sokuthi ipolyurethane iyasebenza kangakanani ngaphandle kwezinto zokusebenza zemetal. Iyabeka ngokuzenzakalelayo lezi zivibrasi ezingavumelekileyo ngokuphakanyiswa kwe-15 ku-20%. Lokho okuthetha ngalo kukuthi iyathatha izifrequency ezingavumelekileyo kodwa isebenza futhi ngokuphelele ukuze izinto zokusebenza ziyahamba ngendlela efanele ngaphakathi kwesistimu. Isiphumo? Isandla esihle sesithembu sokusebenza esikhona kuzo konke isikrini esikhona, okuyenza ukwahlukaniswa ngobukhulu kubalulekile kakhulu ngaphandle kokwakha kwezilayiya. Abasebenzi abasebenzisa iziqephu esizimisele ziyabona iziphumo ezinkulu kule ndawo. Bayafumana iziphumo ezinhle kakhulu emazwini okuhlukanisa, futhi kubalulekile ukuthi ziyahlala ngaphakathi kwe-5% yokuthi kubhekwe ngokwesifundo sika-ASTM esibhekene nalo bonke.

Ukuhlelwa Kwesikhombisa Se-Screen Se-Polyurethane Ukufuna Amathuluzi Okuphakeme Kwezinkinga Zokuphakama Kwezindlela Zokusebenza

Ukubambisana Kwesithunzi Se-Panel, Isimo Sezinkampana, Nokuthatha Kwesikhombisa Sesifunda

Ukufumana imiphumela yokuqondisa okuphelele kubhekiswe kubalancing izinto ezintathu eziphakeme: ubukhulu bepahela, indlela yokwakha amasiko, nokuthi yini lokho okusebenziswa. Amaphela amancane phakathi kwe-10 ne-25 mm ayasebenza kahle ekusungulweni kwemithombo emincane ngoba iyakhuluma kahle, kodwa ayikwazi ukudlula ngokuphelele xa kubhekiswe kwezinkinga ezinkulu. Amaphela amakhulu kusukela ku-30 ku-50 mm ayakwazi ukuzithatha izinkinga ezinkulu ekusebenzeni kwezinto ezinkulu, ngakho-ke ukukhetha ubukhulu obuhle buyaphenduka ngokuthi yini lokho okusebenziswa kuyabonakala kakhulu futhi ukuthi yini lokho okusebenziswa kuyakwazi ukuzithatha izinkinga ezinkulu. Ngokuchaza amasiko, amasiko amane ayasebenza kahle kwezinto ezingaqondi kakhulu, ngakho-ke amasiko amanqamuka noma amasiko amadliwe ayakwazi ukuvimba ukugcina xa kusebenziswa izinto ezilula noma ezinamandla. Ukubonakalisa ubukhulu bamasiko ngokubonakalisa ubukhulu bokufaka kubalulekile kakhulu futhi. Uma amasiko ayincane kakhulu, bayagcina kahle. Uma abakhulu kakhulu, ubukhulu bekusungulwa buyaphela. Futhi, umzekelo wokufaka okubukhulu kwe-5 mm uyasebenza kahle nesikhulu samasiko esibukhulu kwe-6 ku-7 mm kuzo zonke izikhathi, ekubeni ubukhulu bukhululeka ngokuphelele ngokubili phezulu noma phansi kwe-2% nakuba izimo ziyashintsha ngokusebenza.

Ukuthola Kwemisebenzi Emithiyo Ngokwesibonelo

Ukusebenzisa imidiya yebhodhi yepolyurethane ibringa iziphumo eziningi kubukhona kwezinkulungwane ngoba iyabahlinza izinyathelo zokubhodha kahle futhi iyabeka amaphuzu amaningi okusebenza. Ukuthi le mithi ibe nemiphumela kuyabonisa ukuthi izinyathelo ziyabahlinza kude kakhulu. Sibizwa ngokuthi kunezindlela ezingu-40% ezingafanayo ngezinyathelo zomthi wokubhodha uma zihambelana nezinyathelo zamathambo. Indlela enye enkulu yokuthuthukisa kukuthi le zinyathelo ziyadlala kude kakhulu. Abasebenzi abaningi bafindile ukuthi badinga ukubuyisela kuphela umnyaka omusha ngamashumi amabili noma amathathu emva kokubuyisela isikhumba samathambo. Lokhu kubiza ukuthi kunezidingo ezingafanayo zokuzilungisa izimpilo. Izirhabodi zemvelo zibonisa ukuthi izindawo zokuphatha zokubhodha zokuguqula ku-polyurethane zibona ukuthuthukisa kwazo kwezinkulungwane kusukela ku-15% ku-25% ngamuhla. Ngaphezu kwalokho, kunezinto ezingafanayo ezihamba ngendlela yokuqondisa ngoba ukubhodha kwenza kahle kakhulu. Kumaqembu eqinisekileyo ekusebenzisa izindawo ezingaphezulu kwezinkulungwane lapho ukuthuthukisa okuncane kuyinhloko, lokhu kubiza ukuthuthukisa okubonakalayo kwezinkinga zokugcina nokusebenza kusukela kusuku esinye.

Imibuzo Evame Ukubuzwa

Yiziphi izinzuzo zokusebenzisa izinto zokubonisa i-polyurethane kunezikrini zensimbi?

Izinzuzo zihlanganisa inkumbulo ethambile ethuthukisiwe, ubukhulu obufanayo bomgodi ngaphansi kokucindezeleka, isikhathi eside sokuphila, ukudlidliza okuncishisiwe ukuze kube nokunemba okungcono, kanye nezakhiwo zokuzihlanza ezinciphisa ukungenelela okwenziwa ngesandla.

Ukuvuleka okugobile kukuthuthukisa kanjani ukusebenza kahle kwe-polyurethane screen media?

Ukuvuleka okugobile kuvimbela ukumbona ngokucindezela izinhlayiya ezibambekile ukuba ziqhubekele ngaphandle, kugcine isikrini sivulekile futhi kugcine ukugeleza okuphezulu ngisho nezinto ezinamathelayo njengobumba olumanzi noma itshe lomquba.

Izindlela zokuhlukanisa izinhlayiya zandisa kanjani ukunemba kwe-polyurethane screen media?

Le nto inikeza ukuvala kahle ukudlidliza okuqinisekisa ukuhlukaniswa okunembile ngokugwema ukwakheka kwezingqimba. Ukuma kwayo okugoqekayo kusiza nasekulondolozeni izimo ezifanayo zokukhanya, kuthuthukise kakhulu ukunemba kokuhlolwa.

Iziphi izici okufanele zicatshangelwe lapho kukhethwa amapaneli e-polyurethane?

Khetha ngokwesilinganisi sezibhobho, ukwakha kwezindawo zokungena, nokuthintana kwemithambo ukuze ubuyise inkululeko yezikhathi eziningi nezinkimbinkimbi. Izibhobho ezingaphansi kakhulu zisebenza kahle ngezinto ezingaphansi kakhulu futhi izindawo zokungena ezingaphansi kakhulu ziyasebenza kahle ngezinto ezingaqondi.