Ubunzima begram yelaphu elingenalo uthuli olucolekileyo kakhulu luphawu olubalulekileyo lokulinganisa umgangatho kunye nokusebenza kwalo, kwaye ukubalwa kwalo kubandakanya amakhonkco kunye nezinto ezininzi.
Okokuqala, inkcazo yobunzima begram ibhekisa kubunzima belaphu elingenathuli ngemitha yesikwere, kwaye iyunithi idla ngokuba yigram/imitha yesikwere (g/m²). Xa kubalwa ubunzima begram belaphu elingenathuli elicolekileyo kakhulu, kuyimfuneko ukukhetha iisampulu zelaphu ezingenathuli ezimeleyo. Ngokubanzi, iisampulu ezininzi zithathwa kwibhetshi enye nakwiindawo ezahlukeneyo ukuqinisekisa ukuchaneka nokuthembeka kweziphumo zokulinganisa. Emva kokuba iisampulu zithathwe, iisampulu zilinganiswa kusetyenziswa ibhalansi echanekileyo. Ukuchaneka kwebhalansi kufuneka kukwazi ukulinganisa ngokuchanekileyo umahluko omncinci wobunzima. Ukuchaneka okuqhelekileyo yi-0.01 grams okanye ngaphezulu.
Ukulinganisa ubungakanani besampulu nako linyathelo elibalulekileyo. Sebenzisa izixhobo zokulinganisa ezichanekileyo, ezifana neerula zentsimbi, ii-calipers, njl.njl., ukulinganisa ngokuchanekileyo ubude nobubanzi besampulu yelaphu engenathuli. Ngexesha lenkqubo yokulinganisa, qaphela indawo kunye nendlela yokulinganisa ukuze uphephe iziphumo ezingachanekanga ngenxa yeempazamo zokulinganisa. Ukuze kuphuculwe ngakumbi ukuchaneka kokulinganisa, ubude nobubanzi besampulu buhlala bulinganiswa amaxesha amaninzi, kwaye ixabiso eliqhelekileyo lithathwa njengesiphumo sokulinganisa sokugqibela. Ngokwebude nobubanzi obulinganisiweyo, indawo yesampulu iyabalwa.
Emva kokufumana ubunzima kunye nommandla wesampuli, ubunzima begram bunokufunyanwa ngokubala okulula kwezibalo. Ifomula yokubala yile: ubunzima begram = ubunzima besampuli (iigram) ÷ indawo yesampuli (iimitha zesikwere). Umzekelo, ukuba isampuli inobunzima beegram ezi-5 kwaye inommandla weemitha zesikwere eziyi-0.01, ngoko ubunzima begram yesampuli yi-5÷0.01 = iigram ezingama-500/imitha yesikwere.
Kwimveliso yokwenyani, ukuqinisekisa ukuhambelana kobunzima begram yelaphu elingenalo uthuli olucolekileyo kakhulu, abavelisi baya kuthatha uthotho lwamanyathelo olawulo angqongqo. Ukuqala ekukhetheni izinto eziluhlaza, umgangatho kunye neenkcukacha zezinto eziluhlaza ezifana nefayibha yepolyester kunye nefayibha yenylon zilawulwa ngokungqongqo, kuba izinto eziluhlaza zeebhetshi ezahlukeneyo kunye neempawu ziya kuchaphazela ubunzima begram yemveliso yokugqibela. Kwinkqubo yemveliso, iiparameter ezifana nobukhulu bokubeka, uxinzelelo lwe-spunlace, kunye nobushushu bokomisa befayibha zilawulwa ngokuchanekileyo. Ezi zinto ziya kuchaphazela ngokuthe ngqo okanye ngokungathanga ngqo ubunzima begram yelaphu elingenalo uthuli. Kwangaxeshanye, ukujonga ngexesha langempela kuya kwenziwa ngexesha lenkqubo yemveliso, kwaye iisampulu ziya kuthathwa rhoqo ukuze kuvavanywe ubunzima begram. Nje ukuba ukuphambuka kobunzima begram kufunyenwe kudlula uluhlu oluvumelekileyo, iiparameter zemveliso ziya kulungiswa ngoko nangoko ukuqinisekisa umgangatho wemveliso ozinzileyo.
Ukongeza, iimfuno zobunzima begrama zamalaphu angenaluthuli olucolekileyo kakhulu ngeenjongo ezahlukeneyo nazo zahlukile. Umzekelo, amalaphu angenaluthuli asetyenziselwa ukusula izixhobo ze-elektroniki ezichanekileyo adla ngokufuna ubunzima obuphantsi, ngokubanzi phakathi kwe-30-60 g/m2. La malaphu angenaluthuli abhityile, athambile kwaye athambile, kwaye awayi konakalisa izixhobo ezichanekileyo; ngelixa amalaphu angenaluthuli asetyenziselwa ukucoca indawo enkulu kunye nokufunxa ioyile anokuba nobunzima obuphezulu, malunga ne-80-120 g/m2, ukuqinisekisa ukuba anamandla aneleyo okufunxa kunye nokumelana nokuguguleka.
Ukubalwa kobunzima bamalaphu angenaluthuli kakhulu kufuna umlinganiselo oqatha kunye nokubalwa. Kwangaxeshanye, ulawulo oluqinileyo ngexesha lenkqubo yemveliso kunye nokukhetha okufanelekileyo ngokweemeko ezahlukeneyo zesicelo ziikhonkco ezibalulekileyo ukuqinisekisa umgangatho wemveliso kunye nokusebenza kwayo.
Ixesha leposi: Juni-25-2025