Izindlela Zokufaka Okuhle Kwezinkampani Zokuphatha Amasikrini E-Polyurethane Ukuze Kuvikeleke Ukuphela Kweminye Ngokukhawuleza

Ukwenza isiqephu sokugcina nokubhekisisa ukuthi isiqephu sikhona ngokuphelele

Ukubheka imithambo yokuvimbela, amabarayi we-crown, nokubheka ukuthi isiqephu sikhona ngokuphelele kabefore Isikrini se-PU ukufakwa

Ukubhekisisa kahle kwesiqephu kuyisisekelo esibalulekile ukukhulula ukungafanele kwe-sikrini se-polyurethane (PU) emisebenzini yokuqishisa. Kabefore ukufaka, bheka imithambo yokuvimbela ukuze ubone ukuthi kuneziqukuthelo noma ukuthi kusenziwe izibonakaliso zokuhlaba ngokusebenzisa izikhala zokubheka ukuthi kuneziqukuthelo ngokwesifunda—ukuthi kuneziqukuthelo eziningi kune-10% yeziqukuthelo zokwakhiwa kuyadinga ukuzilungisa. Bheka ngokwesibonakaliso ukuthi izihlangothi zocrown ziyatholakala ngokuphelele kanye nokubhekisisa ukuthi ziyatholakala ngokuphelele ngokwesifundo sokuthenga; izinto ezingaphansi kokuthengwa kuzoba yinkambu yokuthola ukuthi kuhlehlwa ngokuphelele ngokuphakeme ngokuphakeme kwe-34%, ngokubhekisisa kwe-vibration (Material Handling Quarterly, 2023). Bheka ukuthi isiqephu sikhona ngokuphelele ngokusebenzisa izikhala zelazer ngamathathu amagugu, ukubhekisisa ukuthi kuneziqukuthelo eziningi kune-3 mm ngameter. Izinye izinyathelo zokubhekisisa ziyathola ukuthi kuneziqukuthelo eziningi kwe-tension, okuyenza ukuthi kubhekiswe kwe-microtears okuyabeka isikrini esingaphansi kwezinkinga zokuthola ukuthi kuhlehlwa ngokuphelele emizimbeni yezinkinga eziningi.

Ukubhekisisa ukuthi izihlangothi zocrown ziyahlungiswa ngokuphelele nokuthi ziyahlungiswa ngokuphelele ngokusebenzisa izikhala zelazer noma izikhala zemithambo

Ukuhlanganisa kahle kwe-crown bar kubangela umphumela wokusebenza kwe-PU screen nokuphila kwakho. Izinhlangano zokuhlanganisa ngolaser zibhekisa izinhlangano zokureferensha ezihambisana nendawo yokugcina ukuze zibone ukuguqula kwezinkulungwane >0.5°, okubangela ukuthi kubhekwa ngokungafanani futhi kusiza ukuthi kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kufanele kuf......

Izindlela Zokusebenza Ngokuphelele Zokuhlanganisa Ukusukela Kwe-PU Screen

Ukuchazi kwezindlela zokuhlanganisa: ukusukela kwe-tension-type, inlay mount, nezindlela zokuhlanganisa ngokubeka amabheji/amabholthi

Ukufaka isikrini sesi-polyurethane sifuna izindlela zokuphakamisa okuhambisana nendlela yokufaka. Izisikrini zesikhundla sokuphakamisa zisebenzisa amaklampu wokuphakamisa kwezinye izinyathelo ukuze ziphakamise isikrini ngokulinganayo—kuyinto efanele kusukela kwezinye izinyathelo eziphakanyisiwe ngokulinganayo apho ukulinganiswa kwezinye izinyathelo kubalulekile, kodwa kuyaphendula kumlinganiso wokulinganisa kwemilayini. Izisikrini zesikhundla sokufaka zihlanya izinyathelo zasezinye izinyathelo emagqabeni aqondile kakhulu, zinika umphilo wokuvimbela okuhle kanye nokusebenza kwezinye izinyathelo eziphakanyisiwe ngokulinganayo njengezinye izinyathelo zokuphakamisa kwezinkolo—uma ubude bokugqabha kubhalwe ngokulinganayo ngokulinganayo ±0.5 mm. Izisikrini zesikhundla sokufaka ngokuphakamisa ngokuphakamisa zihlanganisa isikrini ngokuphakamisa ngokuphakamisa kanye zinika umphilo wokuvimbela okuhle kanye nokusebenza kwezinye izinyathelo eziphakanyisiwe ngokulinganayo njengezinye izinyathelo zokuphakamisa kwezinkolo—uma ubude bokugqabha kubhalwe ngokulinganayo ngokulinganayo ±0.5 mm. Ukufaka isikrini ngokuphakamisa ngokuphakamisa kunezinkambo zokuphakamisa ngokuphakamisa kanye zinika umphilo wokuvimbela okuhle kanye nokusebenza kwezinye izinyathelo eziphakanyisiwe ngokulinganayo njengezinye izinyathelo zokuphakamisa kwezinkolo—uma ubude bokugqabha kubhalwe ngokulinganayo ngokulinganayo ±0.5 mm.

Ukusebenzisa ukuphakamisa okuhle: ukuvikela ukungafani, ukuvimbela, ukuvimbela okuncane, nokuvimbela kwezinye izinyathelo

Izinkambo ezine zokungafani ziyaphinda kusukela kokuqondwa kokuphakamisa:

• Ukungafani , kubhekwa ngokungafanele kwezimilo, kuyenza ukuthi isikhathi sokuhlala siphakanyiswe futhi ukuthwabha kwezinkambu kuzoba khulu.
• Ukuthwabha , kubhekwa ngokuthwabha okungafanele, kuyenza amaphuzu okufa kwezinkambu.
• Ukwethulwa kweguni , kubhekwa ngokuphakanyiswa kwezimilo, kuyenza ukuthi ubunzima bezinhlobo zokugcina ayizindaba zokugcina.
• Ukukhupha kwesihlangothi , kubhekwa xa izinhlobo zokugcina ziyaphikisa ubukhulu bakho, kuyenza ukuthi isikrini sithwele ngokushoqo.

Izimilo ezinamandla ziyaphakanyiswa kusukela ku-12–22 N/mm², zihlanganisiwe ngezinkambu ezingathwabhi:

• Amazinyo angathwabhi kakhulu: 18–22 N/mm² (kuboniswa ngeminyaka yombili)
• Amashilongo amathwabhi: 15–18 N/mm² (kuboniswa ngeminyaka yomnyaka)
• Amazinyo amancane: 12–15 N/mm² (kuboniswa ngeminyaka yomnyaka)

Ukugcina lezi zinhloko kunciphisa izindleko zokubuyisela ngamnyaka ngo-$7.50/ngu-m² ngokwehlela kwezikhathi zokusebenza.

Umugqa wokubhala ngomdlalo wesiya nezinhlobo zokubhala ngokwezindawo zokubhala ngokufanana kwezinhlobo zokubhala ngokufanana

Sebenzisa izibhala ngomugqa wokubhala ngomdlalo wesiya—qala kumphakathi wokubhala ngokufanana futhi uye kusuka kusuka kumaqondana okuphambili kusuka kusuka kumaqondana okuphambili—ukungakhathalisi ukubhala kwezindawo eziphakathi nokubhala kwezinyango. Bhala ngamashumi amane amafuzo (isibonelo, 25% → 50% → 75% → 100% yezinhlobo zokubhala zokugcina), ukhetha izinhlobo zokubhala zokugcina zokwesibhali (ngokujwayelekile, 40–60 Nm kubhala lwasekuhlwini lwasekuhlwini lwasekuhlwini). Bhala kabusha zonke izibhala emva kwezinsuku ezingu-24 zokusebenza ukuze kubhekwe ukubhala kwemvelo yomthwalo wokugcina. Amasiteyishini asebenzisa le ndlela ayabona ukuthi izibhala ziyasebenza ngamashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amash......

Ukubhala, Ukuphatha Kwezinkokhelo, Nakukuphatha Kwemithwalo

Ukuvumela ukuthi isikhumba sikhululekile, ukuthi indawo yokubeka kuyasebenza ngokuphelele, nokuthi ubuso busebenze ngokuphelele ukuze kungavunyelwe izinkinga zokugcina.

Ukugcina ngokuphelele kusivumela ukuthi izikrini ze-PU zingaphinde zihlabe ngokushwankathela, ukuthi imithombo iyaphinda iphinde ibuye ishona, nokuthi iphinde ikhula ngokukhula kabusha emizimbeni yokuqonda okuphambili. Khetha izinkampani zesiqhumba esizokuthi zisemthethweni ukuthi zinamandla okuthi zilungiselele amaflo ayenziwe ngokuchaza kwezinhlobo zezinto ezingaphansi kwezinhlobo zezinto zokusebenza nokuthi zinamandla okuthi aqiniseke ngokuphelele kuzo zonke izindawo zokusebenza (−20°C ku-80°C). Izindawo zokubeka kufanele zibonele isikhumba sokubeka ngokuphelele phakathi kwe-30–40%—okufikeza ngokubhekana kwezindawo ezisemthethweni nokuthi kubhekene ngokuphelele nesifunda sokubeka—ukuze kungavunyelwe ukubeka kakhulu, okuyoba yindlela yokuthi ukugcina kuhlela kakhulu. Izisiko zokubeka kubuso kufanele zibhekane nokuthi umthelelo wokuchitha (ukuthi kwe-polyurethane: 100–200 × 10⁻⁶/°C) ngokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele nokuthi kubhekane ngokuphelele......

Ukubonakalisa Emva Kokufaka Kwezinto Nokwenza Ukugcina Ngokuphambuka

Umlambo wokubona kusasa ngemihla eyodwa: ukubonakala kwemithambo, ukuphakama kwebhodi, nokuvula kwemithambo yezibonelo zokuchitha izikhathi zokusebenza

Yenza umlambo othengiswe ngokuthengisa ngemihla eyodwa ukuze ubone amasignali amancane yokuzimela futhi ukungavikela ukuphambuka kwezinye izinto. Qaphela amasignali amathathu athengiswe:

• Ukuchaza ukubonakala kwemithambo : Sebenzisa izikhombisa ezinamandla ukubona amaharmoniki angafanele okusho ukuthi kukhona ubukhulu bokuzimela noma ukubonakala kwemithambo yezibonelo zokusebenza.
• Ukubona ukuphakama kwebhodi : Qiniseka ukuthi ukuphakama phakathi kwebhodi yomkhumbi nezibonelo zokuchitha kuyi-≤3 mm ngokusebenzisa izikhombisa zokubona—ukuphakama okuphakade kulezi zibonelo kusho ukuthi kukhona ukuphambuka kwemithambo yezibonelo zokuchitha.
• Ukuvula kwemithambo yezibonelo zokuchitha : Qiniseka ukuthi ukuvula kwezibonelo zokuchitha kuyi-≥10 mm (ngokwesifundo sika-ASTM E228) ukuze kubhekwe imithambo yezibonelo zokuchitha yezikhathi zokusebenza ngaphandle kokuphambuka noma ukuphakama kwemithambo yezibonelo zokuchitha.

Ukubonwa kwanokwakhiwa kwezinye izinto kusiza ukuthi kwenziwe ukulungisa ngokushesha kabefore amacrack amancane asondele. Umzekelo, izinkinga zokuphakama kwesikhathi sokunquma kuyisibini esine (37%) sezinkinga zokufa kwanokwakhiwa kwezinye izinto kumasekhundu okuphakeme kwezinkampani zokusebenza kwezindawo zokugcina izinkampani (Minerals Engineering, 2023). Qondisa konke okuchazwa ngokulinganisa ngezilinganiso zokwakhiwa ukuze kwenziwe ukulungisa izindlela zokulungisa ngokuzithemba kwezinsuku zokusebenza ezizayo.