Izixhumi zepayipi le-hydraulic hose yensimbi engagqwali, njengezixhumi ezibalulekile kumasistimu asebenza ngamanzi, zenza imisebenzi ebalulekile njengokudluliswa koketshezi, ukuthwala ingcindezi, nokuvala uhlelo. Ukumelana nokugqwala kwabo, amandla aphezulu, nempilo ende kubenza basetshenziswe kakhulu emishinini yobunjiniyela, amakhemikhali e-petrochemicals, i-aerospace, kanye nokwakhiwa kwemikhumbi. Lesi sihloko sichaza ngokuhlelekile amaphuzu angukhiye wezobuchwepheshe kanye nenani lemboni yezixhumi zepayipi le-hydraulic hose yensimbi engagqwali, igxile ezintweni ezibonakalayo, idizayini yesakhiwo, izinzuzo zokusebenza, nezimo zohlelo lokusebenza.
1. Impahla Ebalulekile kanye Nokumelana Nokugqwala
Izixhumi zepayipi le-hydraulic hose yensimbi engagqwali ngokuvamile zenziwe nge-304, 316, noma ngaphezulu{2}}ukusebenza kwe-austenitic stainless steel. Lezi zinto ziqukethe u-16% kuya ku-26% we-chromium (Cr) kanye nenani elifanele le-nickel (Ni), okwakha ifilimu eliminyene le-chromium oxide passivation phezu, elivikela ngempumelelo ekugqwaleni emithonjeni eyonakalisayo efana namanzi, umusi, izixazululo ezine-asidi ne-alkaline, nesifutho sikasawoti. Isibonelo, kwezobunjiniyela basolwandle, ukungezwa kwe-2% kuya ku-3% ye-molybdenum (Mo) ku-316 insimbi engagqwali kuthuthukisa kakhulu ukumelana kwayo nemigodi nokugqwala kwemifantu, kuyenze ifanelekele ukusetshenziswa{10}}ezindaweni ezinosawoti omningi. Ngaphezu kwalokho, insimbi engagqwali ukumelana{12}}nokushisa okuphezulu ({13}}amazinga okushisa okusebenza esikhathi eside angaphezu kuka-600℃) kuqinisekisa ukusebenza okuzinzile kumasistimu{15}}ezinga lokushisa eliphakeme kakhulu le-hydraulic.
2. Ukuklanywa Kwesakhiwo kanye nokusebenza
Isakhiwo esiyinhloko se-stainless steel hydraulic hose hose sihlanganisa umzimba ofanelekayo, amantongomane, i-ferrule, kanye ne-elementi yokuvala. Imiklamo evamile ingahlukaniswa ngezinhlobo ezintathu: okokufaka okushiselwe, okuvuthayo, nokucindezelwa.
Okufakwayo okushiselwe ukuxhuma unomphela okokufaka epayipini lensimbi ngokusebenzisa{0}}ukuncibilika okuphezulu. Afanele-ukucindezela okuphezulu (Okukhulu noma okulingana no-31.5 MPa) kanye{4}}nezinhlelo zokusebenza zokudlidliza okuphezulu.
Izifakelo ezivuthayo zisebenzisa ithuluzi lokuvutha ukudala-ukuvuleka okumise okwensimbi, ebese kuqiniswa ngamantongomane ukuze kutholakale uphawu. Ngokuyinhloko asetshenziselwa-ingcindezi ephansi ( Ngaphansi noma elingana no-16 MPa) amapayipi aguquguqukayo.
Ukufakwa kokuminyanisa kusebenzisa i-ferrule ecijile ukusika endaweni yepayipi lensimbi ukuze kwakhe uphawu oluqinile. Zinikeza kokubili ukumelana nengcindezi (kufika ku-40 MPa) kanye nokumelana nokudlidliza, okuzenza zibe yinketho evamile kumasistimu-okucindezela okuphezulu{2}}
Mayelana nobuchwepheshe bokuvala, okokufaka kwesimanje kuvamise ukusebenzisa inhlanganisela ye-O-amandandatho kanye nezindawo zokuvala i-carbide, okuqinisekisa ukuthi akuvuzi ngisho nangaphansi kwezimo zokusebenza eziguqukayo. Eminye{2}}imikhiqizo ephezulu futhi ihlanganisa imicu ehlanganisiwe evimbela{3}}ukuxegisa, enamawasha asentwasahlobo noma ama-nayiloni afaka ukuqina kokulayisha kuqala.
3. Izinzuzo Zokusebenza kanye Nenani Lomkhakha
Uma kuqhathaniswa nokufakwa kwe-carbon steel noma i-copper alloy, izinzuzo eziyinhloko zokufakwa kwe-stainless steel hydraulic hose hose yilezi:
Amandla Emishini: Ngamandla aqinile angaphezu kuka-500 MPa, angakwazi ukumelana nokushaqeka kwengcindezi yesistimu ye-hydraulic efika kumakhulu amabha.
Ukuqina: Ngaphandle komonakalo omkhulu wangaphandle, anikeza impilo yesevisi engaphezu kweminyaka engama-20, edlula kude iminyaka engu-3-5 yokuphila kokufakwa okuvamile.
Ukuphepha: Kugunyazwe i-ISO 9001 ne-API Q1, baqinisekisa ukuthi ngeke baqhume noma bavuze ngaphansi kwezimo zokusebenza ezidlulele (njengokushisa ngokweqile kungazelelwe kwamafutha asebenza ngaphansi komhlaba).
Ezinhlelweni ezithile, imishini yokwakha (njengama-excavators nama-cranes) incike ekumelaneni nokudlidliza ukuze kuqinisekiswe ukusebenza okuphephile ekuphakameni. Imboni ye-petrochemical ikwazisa ukumelana kwayo namakhemikhali ekuthutheni uwoyela ongahluziwe omuncu noma imidiya ene-acidic kakhulu. Imboni ye-aerospace isebenzisa i-lightweight yayo ({2}}ingxenye eyodwa kuphela yekota ye-carbon steel) nokuthembeka okuphezulu ukuze kuhlangatshezwane nezidingo eziqinile zesistimu ye-hydraulic yendiza.
4. Amathrendi Entuthuko kanye Nezincomo Zokukhetha
Njengoba amasistimu asebenza ngogesi eqhubekela kungcindezi ephakeme (Enkulu noma elingana nama-MPa angama-70) kanye nokusebenza okuhlakaniphile, izixhumi zepayipi lensimbi engagqwali le-hydraulic ziyathuthukela ekukhiqizeni okunembayo nasekuhlanganisweni kokusebenza. Isibonelo, izinqubo zokushisela nge-laser zisetshenziselwa ukunciphisa ukuchezuka kwedayamitha engaphakathi ibe phakathi kuka-±0.05 mm, noma izinzwa zokucindezela ezishumekiwe zifakwa ukuze kuqashwe{3}}isikhathi sangempela.
Abasebenzisi kufanele banake kakhulu imingcele elandelayo lapho bekhetha isixhumi:
Isilinganiso Sokucindezela Okusebenzayo: Isixhumi kufanele sifane nomfutho omkhulu wokusebenza wesistimu onemajini yokuphepha ephinda izikhathi ezingu-1.5 zokucindezela okukhulu kwesistimu.
Ukuhambelana Kwemidiya: Qinisekisa ukuhambisana kwamakhemikhali kwebanga lensimbi engagqwali noketshezi olusebenza nge-hydraulic (isb., uwoyela wamaminerali, i-phosphate ester{2}}uwoyela osuselwe).
Indawo Yokufaka: Izixhumi ezisheshayo eziqinile ziyakhethwa endaweni-izinhlelo zokusebenza ezibambekile, kuyilapho uthuli oluthuthukisiwe{1}}imiklamo yokuvala ubufakazi iyadingeka ezindaweni zangaphandle.
Izixhumi zepayipi le-hydraulic hose yensimbi engagqwali ziyisisekelo sokusebenza okuthembekile kwesistimu ye-hydraulic. Ngokusebenzisa isayensi yezinto ezibonakalayo kanye nokuqanjwa kabusha kwesakhiwo, bayaqhubeka nokushayela imishini yezimboni ekucindezelekeni okuphezulu, ukusebenza kahle okuphezulu, nempilo ende. Ngokuzayo, ngokusetshenziswa kwezinto ezintsha (njengensimbi engagqwali enkulu) kanye nobuchwepheshe bokukhiqiza (njengokukhiqiza okungeziwe), lo mkhakha uzoqhubekisela phambili ukucindezela imingcele yobuchwepheshe ezindaweni eziyingozi kakhulu.
