Ukuphatha kwezindawo zokuthatha ngokosha ngaphakathi: Ukuphatha ukhwehla nokudesigna kwe-bond

Amaphormula we-resin bond ne-geometry yezibhlagu zokugcina ukuthatha ngokosha kusasa

Izinkulungwane zezinto ezithile zezinkambo zokubamba ziyakwenza ukuthi zibe yizinkinga eziphelele kuzo ukusebenza ngokuphatha okusha emaphoyinteni ngoba zibamba izindiza ngendlela efanele kodwa zisivumela ukuthi zihlale zihlukunyeze kahle lapho kunezinkinga eziningi. Lezi zinkambo ziyizinkambo ezinokuthi zihlukunyeze kahle (thermosetting polymers) ozokwakha kuzo kusobala kuhle kwe-150 degrees Celsius (ngokulinganisa ngo-302 Fahrenheit). Lokhu kuhlukunyeze kahle kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala kusobala k......

Amagugu okubhala isithombe sokubhala esinokuthintela ukuthi amandla ayenziwe ngokuphelele kumaphakathi amancane

Amasithombe okubhala amasha manje aqondisa izikhumba zokuvulwa ngolaser nangamaphakathi okukhanya okunqamuka ngokugcina amandla kusendleleni yokubhala. Lokhu kusiza ukuthi umphumela wokusebenza uphuma phakathi kwe-60 kanye ne-80 degrees Celsius uma kuchazwa ngezikhumba zokubhala zezindaba zokubhala ngaphandle kokusha emva kokubhala ngokuphelele kwezindawo ezincane. Isithombe sokubhala sasezinkambini sifuna izikhumba zokuvulwa zokuhamba kwezinye izindawo zokuvulwa zokuzimela ukuthi amandla ayenziwe ngokuphelele kusendleleni yokubhala, futhi kusiza ukuthi amandla ayenziwe ngokuphelele kusendleleni yokubhala futhi kusiza ukuthi umsebenzi uyisilungu kakhulu. Lezi zinhlobo zokulawula amandla kuyizinhlobo ezingcono kakhulu kusukela kwezindawo zokubhala ngaphandle kokusha kwezindawo ezincane apho akukho indawo eyodwa yokuvulwa kwezinye izindawo zokuvulwa. Uma akukho ukuthintela amandla okukhanya kusendleleni yokubhala, abasebenzi bayaqhubeka nokubhala amandla okukhanya okuyisibonelo sokuthi amandla ayenziwe ngokuphelele kusendleleni yokubhala futhi kusiza ukuthi umsebenzi uyisilungu kakhulu.

Izinhlobo zokulawula amandla okukhanya kusendleleni yokubhala ngaphandle kokusha kwezindawo zokubhala ngaphandle kokusha

Amasistimu e-vacuum ephakanyisiwe, ukulwabisa kwe-HEPA, nokuthi kubhekwa izinkomba ezingaphansi kwe-10µm

Ukuphatha kahle umfula wokushisa kuyisisekelo esihle sokugcina ukuchitha okushele ngendawo yokusebenza. Uma amasistimu e-vacuum asebenza nganquma nezifilti ze-HEPA ezizenzileyo, zibhala izinkomba zomfula ngemiphumela yazo yonke—ngokukodwa izinkomba zomfula zokushisa ezingaphansi kwe-10 microns ozokufika kumzimba wethu futhi ziyenza izinkinga ezingakhulu ngemuva kwezinsuku. Abaqashi abaningi beblayidi bakhona baphinda bavakashela iziblade zabo ukuze bafuna umfula wokushisa ngokushesha ngemuva kokuchitha. Iziphumo zokungakho lezizinto? Izilika zokushisa zingakhipha kude kwezidingo zika-OSHA ngemizuzu emibili noma emathathu kuphela xa kuchithwa isitili noma isikrithi esikhazimelwe. Ngakho ke ukuthenga izinkampani ezinconywa kakhulu kuyisisekelo esihle sokugcina ubuhle bokusebenzi.

Ukuzimiswa kwezidingo zika-OSHA/NIOSH zokuxhumana nokushisa kwezindawo zokuguqula

Lapho benza umsebenzi wokusika ngaphakathi ezakhiweni, abasebenzi kudingeka bahlale ngaphansi komkhawulo we-OSHA wama-microgram angu-50 ngomitha oyisikubhu wothuli lwe-silica olungenwa umoya phakathi nemisebenzi yabo yamahora angu-8. Empeleni ochwepheshe abaningi batusa ukulandela imihlahlandlela ye-NIOSH ebeka umkhawulo ophansi kakhulu wama-microgram angu-25 nje ngomitha oyisikubhu. Ezindaweni lapho abantu bekhona ngesikhathi sokulungiswa, kudingeka izendlalelo eziningana zokuvikela. Okokuqala, kuthathwa uthuli ngqo emthonjeni kusetshenziswa ama-vacuum afakwe izihlungi ze-HEPA. Khona - ke kuqhubeka ukuhlolwa kwekhwalithi yomoya, kanye nezinhlelo ezengeziwe zokugeleza komoya ezisiza ekuqedeni noma yiziphi izinhlayiya ezisele. Lezi zinkinga zokuphepha kwe-silica ziyaqhubeka zivela phezulu ohlwini lwezingcaphuno ezivame kakhulu ze-OSHA. Izinhlawulo zokwenza lokhu okungalungile nazo ziye zanda, zafinyelela ngaphezu kwamaRandi ayizinkulungwane eziyishumi nanhlanu ngokwephula ngalinye ngokwemininingwane yakamuva kusukela ngo-2024.

Ukuphila Okuhle Kwezinto Ezisetshenziswayo Ezisendlini: Ukusebenza Nokulinganiselwa

Ukuhambisana kwezilwanyana nokubona kwezilwanyana ezingaphakathi (amathile, ikonkreti ekhuphile, amabrikhi)

Impumelelo yokusika ngomile endlini ixhomeke ekutholeni ukwakheka kwesikhali esifanelekile kwezici zokushisa nezokuchoboza zento ngayinye. Amathayili athambekele ekuqhekekeni ezingeni elincane lapho amazinga okushisa efinyelela cishe kuma-degree Celsius angu-150 ngoba awawuqhubi kahle ukushisa, yingakho kudingeka ama-blade agxishwe ngamakhemikhali anezingxenye ezikhethekile ezishisa ukushisa. Ukhonkolo oqiniswe ngokuphelele uqukethe izinto ezihlabayo ezingandisa ukugqwala kweblade ngamaphesenti angu-20 kuya kwangu-30, ngakho ochwepheshe abaningi bakhetha amablade anezibopho ezicebile ze-cobalt ukuze balondoloze lezo zinhlamvu eziyigugu zedayimane. Lapho kuziwa emsebenzini wezitini, ukuthola indawo enhle kakhulu yobulukhuni be-blade kubaluleke kakhulu. Amacici athambile kakhulu aguga ngokushesha, kodwa uma eqinile kakhulu, agcina egqamile futhi emile ngokuphelele. Ukuthola imiphumela emihle kusho ukufanisa imininingwane: izingxenye zengqimba enhle zisebenza kangcono ngamathayili, izibopho ezinganyangeki ukugqoka zisebenza kangcono kukhonkolo, futhi amafomula obuqine obuphakathi ngokuvamile yiwo asebenza ngezitini. Lokhu kunaka imininingwane kuqinisekisa ukusikwa okuhlanzekile ngokujwayelekile kuyilapho kugcina izinga lothuli liphansi ngokwanele ukuze kuhlangatshezwane nalezo zidingo zekhwalithi yomoya wangaphakathi.

Ubukhulu Bekhuseleko Nokuphatha Kwezinhloso Zokugcina Umhlaba Kusetshenziswa Kweminye Iindawo

Ukubuhleka Kwemithambo, Ukulawula Kokushaya, Nakuzidinga Kwezinyango Kusetshenziswa Kweminye Iindawo Eziyisisekelo

Kodwa kufundwa ukuthi kuzoba kubalulekile ukuphatha izinkinga zokusebenza ngokuvutha kwezindawo ezinomkhakha, kunezinto ezintathu ezingaba yizinhlobo zokugcina amandla. Okokuqala kukukhula kwemithambo yezilwanyana. Sibizwa ngamaphoyinti ayesikhaleni esikhundleni (GFCI) nezinkampani eziphindelelwe kabili. Lokhu kubalulekile kakhulu uma kusebenzwa emazini apho amanzi angabekwa noma amathambo angabonakala ngendlela. Emva kwalokho kukusuka kwezivutha. Isiphumo sokuhlelo lwesayensi sibiza ukuthi kufanele sibe phansi kwe-2.5 meters per second squared ngokwesiqephu se-ISO. Abasika bafunda lokhu ngokusebenzisa izibhala ezingahleli zokubeka isibhala esingavutha futhi izihlangothi zokuphatha ezisungula izivutha. Futhi masibhekele ukuthi kuyisikhathi sokuphatha ukuthi kungabi nesibhakabhaka. Izimpendulo zika-OSHA ngokuthi kubalulekile ukuthi kungabi nesibhakabhaka sesilika kubalulekile kakhulu. Zibiza ukuthi kufanele kubekwe amafiltela aye-HEPA okukhulula amaphakathi angaphezu kwe-99.97 percent ayisikhombisa amaphakathi angaphezu kwe-0.3 microns. Lokhu konke kubhekise ukuthi kungabi nesimo esingasemthwakweni esingasemthwakweni ngokuthi kungabi nesibhakabhaka futhi kubhekise ukuthi umoya uyakwenzeka ukuthi ubhekele abasebenzi uma kusebenzwa ukuthi kungabi nesibhakabhaka.

Isikhombisi Sokuqala

Izifundo zezinkulungwane zokugcina izinkampani zemithali kusukela kwe-dry cutting ziyiphi?

Izinkampani zemithali zokugcina izinkulungwane ngokuthembekile futhi zivumela ukugcina okuphelele. Zihlukana ngokuphakeme kubili 150°C, kubonisa amaphakade amasha wezinkulungwane, kuvikela ukugcina kwe-glazing, nokunciphisa iphutha.

Ukuchaza kahle kwamaphakade amasha kusiza njani ekususelweni kwemithali?

Amaphakade amasha ayasebenzisa iziqu zokuhlolwa ngolaser neziqu zokugcina ezincwadini zamacopper ukususela kwemithali, nangamaphakade okuhlanza okuphambili ukususa imithali yomoya ngokuphelele, okunciphisa ubunzima bokusebenza ngokuphelele.

Ubunzima bezinhlobo zokucoca iphutha ngokusebenza kwe-dry cutting ngaphakathi kwebhodi buyiphi?

Ukucoca iphutha kubalulekile ngoba kubona izinkulungwane eziphansi zesiSilica, kuvikela ukuthi zingakhuphi imilinganiselo yezinhlobo zokuphepha kwe-OSHA futhi kuvikela ubucoco bawo abasebenzi.

Imilinganiselo yezinhlobo zokuphepha kwe-OSHA yokuqonda kwe-silica ngaphakathi kwebhodi ziyiphi?

I-OSHA ibeka umlinganiselo wokuphepha kwe-silica iphutha ku-50 µg/m³ ngeminyaka eyishumi nesibhotho, nangabe abaningi bavuma ukuthi bafollowe i-NIOSH guideline esibonakalayo ngokuphelele ku-25 µg/m³.