Izinzuzo zokulawulwa kwengxabano kuma-mask, imaski yobuso nokukhiqizwa kwe-PPE

 

imaski yobuso

 

 

Ngonyaka ka-2020 kwaletha izehlakalo eziningi okungekho muntu owayengabona kusengaphambili. Ubhubhane olusha lomqhele luthinte yonke imboni futhi lwashintsha izimpilo zezigidi zabantu emhlabeni wonke. Le nto eyingqayizivele iholele ekuqubeni okubalulekile ekufunweni kwama-masks, i-PPE, neminye imikhiqizo engeyona eyezincwadi. Ukukhula okubonakalayo kwenze kwaba nzima kubakhiqizi ukuhambisana nesidingo esikhulayo ngokushesha njengoba befuna ukukhulisa umkhiqizo womshini futhi bathuthukise amakhono akhulisiwe noma amasha anwetshiwe noma amakhono amasha anwetshiwe noma amakhono akhulisiwe avela emishini ekhona.

 

Izixazululo ze-tensension (1)

Njengoba abakhiqizi abaningi beshesha ukubuyisa imishini yabo, ukuntuleka kwekhwalithi engeyonaizinhlelo zokulawula ukungezwaniKuholela emazingeni aphezulu we-scrap, ama-curve wokufunda abizayo futhi abizayo, futhi aphumeleli umkhiqizo kanye nenzuzo. Kusukela iningi lezokwelapha, lokuhlinza, kanye nama-N95 Masks, kanye nezinye izinto zobunzima zezokwelapha kanye ne-PPE, zenziwa ngezinto ezingezona ezingokwesidingo, isidingo sekhwalithi ephezulu kanye nemikhiqizo ephezulu yenani seliphenduke iphuzu lokugxila kwezidingo zohlelo lokulawula izingcindezi.
I-non-woven iyindwangu eyenziwe ngokuhlanganiswa kwezinto zokwenziwa zemvelo nokwenziwa, ezihlanganisiwe kanye nobuchwepheshe obuhlukahlukene. Izindwangu ezingekho ezincibilikisiwe, ezisetshenziswa kakhulu ekukhiqizeni imaski kanye ne-PPPE, zenziwa ngama-resin izinhlayiya ezincibilikisiwe zingene imicibisholo bese zishaywa yindwangu ejikelezayo. Lapho indwangu idaliwe, idinga ukufakwa ndawonye. Le nqubo ingenziwa ngenye yezindlela ezine: nge-resin, ukushisa, ngokucindezela ngezinkulungwane zezinaliti noma ukuxhumanisa ngama-jets amanzi aphezulu.

 

Izingqimba ezimbili kuya kwezintathu zendwangu engalukiwe iyadingeka ukukhiqiza imaski. Ungqimba lwangaphakathi lukududuza, ungqimba oluphakathi lusetshenziselwa ukugcwala, kanti ungqimba lwesithathu lusetshenziselwa ukuvikelwa. Ngaphezu kwalokhu, imaski ngayinye idinga ibhuloho lekhala namacici. Lezi zinto ezintathu ezingezona zokwelukiwe zondliwa umshini ozenzakalelayo ogoqa indwangu, ufake izingqimba ngaphezulu komunye nomunye, usika indwangu yobude obufunayo, bese wengeza amacici kanye nebhuloho lekhala. Ngokuvikelwa okuphezulu, imaski ngayinye kufanele ibe nazo zonke izingcezu ezintathu, futhi ukusikeka kudinga ukucaciswa. Ukufeza lokhu kunemba, iWebhu Izidingo Zokugcina Ukuxineka Okufanele Kuwo wonke umugqa wokukhiqiza.

 

Lapho isitshalo sokukhiqiza sikhiqiza izigidi zamamaski ne-PPE ngosuku olulodwa, ukulawulwa kwengxabano kubaluleke kakhulu. Ikhwalithi kanye nokuvumelana okuguquguqukayo kuyimiphumela yonke indawo yokukhiqiza ifuna ngaso sonke isikhathi. Uhlelo lokulawula izingxabano lweMontalvo lungakhulisa ikhwalithi yomkhiqizo wokugcina womkhiqizi, ukukhulisa umkhiqizo kanye nokungaguquguquki komkhiqizo ngenkathi kuxazululwa noma yiziphi izinkinga ezihlobene nokungezwani ezingabhekana nazo.
Kungani kulawulwa ukungezwani? Ukulawulwa Kwe-Tension kuyinqubo yokugcina isengaphambili noma inani lengcindezi noma inqwaba yezinto ezinikeziwe phakathi kwamaphoyinti amabili ngenkathi ugcina ukufana nokungafani kwekhwalithi yezinto ezibonakalayo noma efiselekayo. Ngaphezu kwalokho, lapho amanethiwekhi amabili noma ngaphezulu ahlanganiswa, inethiwekhi ngayinye ingaba nezimpawu ezahlukahlukene kanye nezidingo zokungezwani. Ukuqinisekisa inqubo esezingeni eliphakeme yokuqamba ne-Minimalinal to Chartets, iwebhu ngayinye kufanele ibe nohlelo lwayo lokulawula izingxabano ukuze ilondoloze umkhiqizo ophezulu wekhwalithi ephezulu.

 

Ukuze uthole ukulawulwa kwengxabano okuqondile, uhlelo oluvaliwe noma oluvulekile lubalulekile. Isilinganiso se-LOOP-soop esivaliwe, siqaphe futhi silawule futhi lilawule inqubo ngempendulo ukuze uqhathanise ukungezwani kwangempela ngokungezwani okulindelekile. Ngokwenza kanjalo, lokhu kunciphisa kakhulu amaphutha futhi kuphumelele ekuphumeni noma ekuphenduleni okufunayo. Kunezinto ezintathu eziyinhloko ezinhlelweni zokuvalwa kwe-loop zokulawula ukungezwani: Idivayisi yokulinganisa ukungezwani, isilawuli kanye ne-torque device (brake, clutch noma idrake)

 

Singanikeza abalawuli abahlukahlukene bengxabano kusuka kubalawuli be-PLC kumayunithi wokulawula abazinikezele ngamunye. Isilawuli sithola impendulo eqondile yokulinganisa impahla kusuka esitokisini somthwalo noma ingalo yakwaMdansi. Lapho ukungezwani kwengxabano, kwakha isinali kagesi okuyinto ehumusha izilawuli maqondana nokungezwani okuhleliwe. Isilawuli sabe sesiguqula i-torque yedivayisi yokukhipha i-torque (ukubopha ingxabano, i-clutch noma i-actuator) ukugcina iphuzu elifunekayo lesethi. Ngaphezu kwalokho, njengoba izinguquko ezinkulu eziguqukayo, i-torque edingekayo idinga ukulungiswa futhi iphethwe ngumlawuli. Lokhu kuqinisekisa ukuthi ukungezwani akuguquguquki, kuhambisane futhi kunembe kuyo yonke inqubo. Senza izinhlelo ezahlukahlukene zokuhola eziholani zomkhakha ngokucushwa okuningi okufakwayo kwezindawo nezilinganiso eziningi zomthwalo ezizwelayo ngokwanele ukuthola ukungezwani, ukunciphisa imfucuza, ukunciphisa inani lomkhiqizo wokugcina osezingeni eliphakeme. Iseli lomthwalo lilinganisa amandla ama-micro-deflection amandla asetshenziswayo njengoba kushukumisela kuma-idler roll okubangelwa ukungezwani okuqiniswe ukungenisa izingxabano noma ukukhulula njengoba impahla idlula kwinqubo. Lokhu kulinganiswa kwenziwa ngesibonakaliso sikagesi (imvamisa ama-millivolts) athunyelwa kwisilawuli sokulungiswa kwe-torque ukuze alondoloze ukungezwani okusethiwe.


Isikhathi sePosi: Dec-22-2023