Iindlela zokuhlalisa iiprofayili ze-aluminiyam ezisetyenziswa ekwakhiweni ngokubanzi zibandakanya ukuhlaliswa kobunzima kunye nokuhlaliswa kwethiyori. Ukulinganisa ukulinganisa kubandakanya ukulinganisa iimveliso zeprofayili ye-aluminium, kubandakanywa izinto zokupakisha, kunye nokubala intlawulo esekelwe kubunzima bokwenene buphindwe ngexabiso ngetoni nganye. Ukuhlaliswa kwethiyori kubalwa ngokuphindaphinda ubunzima bethiyori yeeprofayili ngexabiso ngetoni nganye.
Ngexesha lokuhlaliswa kobunzima, kukho umehluko phakathi kobunzima obulinganisiweyo kunye nobunzima obalwayo ngokwethiyori. Kukho izizathu ezininzi zalo mahluko. Eli nqaku lihlalutya ubukhulu becala ulwahlulo lobunzima obubangelwa zizinto ezintathu: ukungafani kwisiseko sobukhulu bezinto eziphathekayo zeeprofayili ze-aluminium, ukuhlukana kwemigangatho yonyango lomphezulu, kunye nokuhluka kwezinto zokupakisha. Eli nqaku lixoxa ngendlela yokulawula ezi zinto ukuze kuncitshiswe ukutenxa.
1.Ubunzima bobunzima obubangelwa ukuhlukahluka kobuninzi bezinto ezisisiseko
Kukho iiyantlukwano phakathi kobukhulu bokwenyani kunye nobukhulu bethiyori yeeprofayili, okukhokelela kumahluko phakathi kobunzima obulinganisiweyo kunye nobunzima bethiyori.
1.1 Ukubalwa kobunzima obusekwe kumahluko wobunzima
Ngokomgangatho waseTshayina we-GB/T5237.1, kwiiprofayili ezinesangqa sangaphandle esingadluli kwi-100mm kunye nobukhulu obuncinci obungaphantsi kwe-3.0mm, ukuphambuka okuchanekileyo ± 0.13mm. Ukuthatha iphrofayili yesakhelo sefestile ye-1.4mm njengomzekelo, ubunzima bethiyori ngemitha yi-1.038kg / m. Ngokuphambuka okulungileyo kwe-0.13mm, ubunzima ngemitha nganye yi-1.093kg / m, umehluko we-0.055kg / m. Ngokuphambuka okungalunganga kwe-0.13mm, ubunzima kwimitha nganye ngu-0.982kg / m, umehluko we-0.056kg / m. Ukubala i-963 yeemitha, kukho umahluko we-53kg ngetoni nganye, bhekisa kuMfanekiso 1.
Kufuneka kuqatshelwe ukuba umzekeliso uqwalasela kuphela ukuhluka kobunzima becandelo le-1.4mm yobukhulu obuqhelekileyo. Ukuba zonke iinguqu zobunzima zithathelwa ingqalelo, umahluko phakathi kobunzima obulinganisiweyo kunye nobunzima bethiyori iya kuba yi-0.13/1.4*1000=93kg. Ubukho beyantlukwano kubunzima besiseko sezinto ezisisiseko zeeprofayili ze-aluminiyam bumisela umahluko phakathi kobunzima obulinganisiweyo kunye nobunzima bethiyori. Ukusondela kobungqingqwa bokwenene kukutyeba kwethiyori, kokukhona ubunzima obulinganiswayo busondela kubunzima bethiyori. Ngexesha lokuveliswa kweeprofayili ze-aluminium, ubukhulu buyanda ngokuthe ngcembe. Ngamanye amazwi, ubunzima obulinganisiweyo beemveliso eziveliswa yisethi efanayo yokubumba buqala lula kunobunzima bethiyori, emva koko bube bufanayo, kwaye kamva bubunzima kunobunzima bethiyori.
1.2 Iindlela zokulawula ukutenxa
Umgangatho wokubumba iprofayili ye-aluminium yinto ebalulekileyo ekulawuleni ubunzima ngemitha yeeprofayili. Okokuqala, kuyimfuneko ukulawula ngokungqongqo ibhanti elisebenzayo kunye nemilinganiselo yokucubungula i-molds ukuqinisekisa ukuba ubukhulu bemveliso buhlangabezana neemfuno, ngokuchaneka okulawulwayo ngaphakathi koluhlu lwe-0.05mm. Okwesibini, inkqubo yokuvelisa kufuneka ilawulwe ngokulawula isantya se-extrusion ngokufanelekileyo kunye nokuqhuba ukugcinwa emva kwenani elithile lokudlula kwesikhunta, njengoko kuchaziwe. Ukongeza, ii-molds zinokungena kunyango lwe-nitriding ukunyusa ukuqina kwebhanti esebenzayo kunye nokunciphisa ukunyuka kobunzima.
2.Ubunzima bobuNgqiqo beeMfuno zokuThimba kweeWall ezahlukeneyo
Ubukhulu bodonga lweeprofayili ze-aluminium bunokunyamezela, kwaye abathengi abahlukeneyo baneemfuno ezahlukeneyo zodonga lwemveliso. Ngaphantsi kweemfuno zokunyamezela kodonga, ubunzima bethiyori buyahluka. Ngokubanzi, kuyafuneka kuphela ukutenxa okuhle okanye ukutenxa okungalunganga.
2.1 Ubunzima bethiyori boKutenxa okuPositive
Kwiiprofayili ze-aluminiyam kunye nokutenxa okulungileyo kubukhulu bodonga, indawo ebalulekileyo yomthwalo womthwalo wesiseko ifuna ukuba ubukhulu bodonga obulinganisiweyo bungabi ngaphantsi kwe-1.4mm okanye i-2.0mm. Indlela yokubala yobunzima bethiyori kunye nokunyamezelana okuqinisekileyo kukuzoba umzobo wokutenxa kunye nobukhulu bodonga oluphakathi kwaye ubale ubunzima ngemitha nganye. Ngokomzekelo, kwiprofayili ene-1.4mm yodonga lwamadonga kunye nokunyamezela okulungileyo kwe-0.26mm (ukunyamezela okubi kwe-0mm), ubukhulu bodonga kwindawo yokuphambuka okuphakathi yi-1.53mm. Ubunzima ngemitha kule profayile yi-1.251kg/m. Ubunzima bethiyori ngeenjongo zokulinganisa kufuneka kubalwe ngokusekelwe kwi-1.251kg / m. Xa ubukhulu bodonga lweprofayili bu-0mm, ubunzima ngemitha nganye yi-1.192kg / m, kwaye xa buyi-0.26mm, ubunzima ngemitha yi-1.309kg / m, bhekisa kuMfanekiso 2.
Ngokusekelwe kubukhulu bodonga lwe-1.53mm, ukuba kuphela icandelo le-1.4mm linyuswe ukuya kuphambuko oluphezulu (i-Z-max deviation), umahluko wesisindo phakathi kwe-Z-max yokuphambuka okuhle kunye nobukhulu bodonga oluphakathi (1.309 - 1.251) * 1000 = 58kg. Ukuba zonke iindonga ezingqingqwa ziku-Z-max ukutenxa (nto leyo engenakwenzeka kakhulu), umahluko wobunzima uya kuba ngu-0.13/1.53 * 1000 = 85kg.
2.2 Ubunzima bethiyori ngokuTembeka okuNegative
Kwiiprofayili ze-aluminium, ubukhulu bodonga akufanele budlule ixabiso elichaziweyo, oku kuthetha ukunyamezela okungalunganga kwindonga yodonga. Ubunzima bethiyori kule meko kufuneka ibalwe njengesiqingatha sokutenxa okubi. Ngokomzekelo, kwiprofayili enobunzima bodonga lwe-1.4mm kunye nokunyamezela okubi kwe-0.26mm (ukunyamezela okulungileyo kwe-0mm), ubunzima bethiyori bubalwa ngokusekelwe kwisiqingatha sokunyamezela (-0.13mm), bhekisa kuMfanekiso 3.
Ngobunzima bendonga ye-1.4mm, ubunzima ngemitha nganye yi-1.192kg / m, ngelixa i-1.27mm yodonga, ubunzima ngemitha yi-1.131kg / m. Umahluko phakathi kwezi zimbini ngu-0.061kg/m. Ukuba ubude bemveliso bubalwa njengetoni enye (838 yeemitha), umahluko wobunzima uya kuba ngu-0.061 * 838 = 51kg.
2.3 Indlela yokubala yobunzima obunoButyebe obahlukeneyo beendonga
Ukusuka kwimizobo engentla, kunokubonwa ukuba eli nqaku lisebenzisa ukunyuswa kobunzima bodonga okanye ukunciphisa xa ubala ubuninzi beendonga ezahlukeneyo, kunokuba usetyenziswe kuwo onke amacandelo. Imimandla ezaliswe imigca yediagonal kwidayagram ibonisa ubuninzi bodonga oluyi-1.4mm, ngelixa ezinye iindawo zihambelana nobukhulu bodonga lwe-slots ezisebenzayo kunye neempumlo, ezihluke kwisigxina sodonga ngokwemigangatho ye-GB / T8478. Ngoko ke, xa ulungelelanisa ubuninzi bodonga, kugxininiswa ikakhulu kwisigxina sodonga.
Ngokusekwe kwinguqu yobunzima bodonga lwesikhunta ngexesha lokususwa kwezinto, kuyabonwa ukuba zonke iindonga zemibumbo esanda kwenziwa zinokuphambuka okungalunganga. Ngoko ke, ukuqwalasela kuphela utshintsho kwisigxina sodonga oluqhelekileyo lubonelela ngokuthelekisa ngakumbi phakathi kobunzima bobunzima kunye nobunzima bethiyori. Ubukhulu bodonga kwiindawo ezingezizo ezikhethiweyo buyatshintsha kwaye bunokubalwa ngokusekelwe kubukhulu bodonga olulinganayo ngaphakathi koluhlu lokutenxa umda.
Ngokomzekelo, kwimveliso yefestile kunye nomnyango kunye ne-1.4mm yodonga lwegama, ubunzima ngemitha yi-1.192kg / m. Ukubala ubunzima imitha nganye kwi-1.53mm yodonga lwamadonga, indlela yokubala ngokulinganayo isetyenziswe: 1.192 / 1.4 * 1.53, okubangelwa ubunzima kwimitha ye-1.303kg / m. Ngokufanayo, kwi-1.27mm yodonga lwamadonga, ubunzima ngemitha bubalwa njenge-1.192 / 1.4 * 1.27, okubangelwa ubunzima kwimitha ye-1.081kg / m. Indlela efanayo ingasetyenziswa kwezinye iindonga ezingqingqwa.
Ngokusekelwe kwimeko yobukhulu bendonga ye-1.4mm, xa zonke iindonga zilungelelaniswa, umehluko wobunzima phakathi kobunzima bobunzima kunye nobunzima bethiyori malunga ne-7% ukuya kwi-9%. Umzekelo, njengoko kubonisiwe kulo mzobo ulandelayo:
3.Ubunzima boMahluko obangwa kukuTyaya koMaleko oMphezulu
Iiprofayili zeAluminiyam ezisetyenziselwa ukwakhiwa zixhaphake ngokuphathwa nge-oxidation, i-electrophoresis, i-spray coating, i-fluorocarbon, kunye nezinye iindlela. Ukongezwa kwemigangatho yonyango kwandisa ubunzima beeprofayili.
3.1 Ukunyuka kobunzima kwiiProfayili ze-Oxidation kunye ne-Electrophoresis
Emva kokunyangwa kwendawo ye-oxidation kunye ne-electrophoresis, ifilimu ye-oxide kunye nefilimu edibeneyo (ifilimu ye-oxide kunye nefilimu yepeyinti ye-electrophoretic) yenziwa, kunye nobukhulu be-10μm ukuya kwi-25μm. Ifilimu yonyango yomphezulu yongeza ubunzima, kodwa iiprofayili ze-aluminium zilahlekelwa ubunzima ngexesha lenkqubo yonyango lwangaphambili. Ukunyuka kobunzima akubalulekanga, ngoko ke utshintsho kwisisindo emva kwe-oxidation kunye nonyango lwe-electrophoresis luyinto engafanelekanga. Uninzi lwabavelisi be-aluminium baqhuba iiprofayili ngaphandle kokongeza ubunzima.
3.2 Ukunyuka kobunzima kwiiProfayili zokuTyala ngokutshiza
Iiprofayili ezifakwe kwi-spray zinomaleko we-powder powder phezu komhlaba, kunye nobukhulu obungekho ngaphantsi kwe-40μm. Ubunzima bengubo yomgubo buhluka kunye nobukhulu. Umgangatho wesizwe uncoma ubukhulu be-60μm ukuya kwi-120μm. Iindidi ezahlukeneyo zokugquma umgubo zinobunzima obahlukeneyo bobukhulu obufanayo befilimu. Kwiimveliso eziveliswe ngobuninzi ezifana nezakhelo zefestile, ii-mullions zefestile, kunye ne-sashes yefestile, ubukhulu befilimu bufafazwe kwi-periphery, kwaye idatha yobude be-peripheral ingabonwa kuMzobo 4. ifumaneka kwiTheyibhile yoku-1.
Ngokutsho kwedatha kwitheyibhile, ukunyuka kobunzima emva kokutshiza kweengcango kunye neefestile zeeprofayili ze-akhawunti malunga ne-4% ukuya kwi-5%. Ngetoni enye yeeprofayili, imalunga nama-40kg ukuya kuma-50kg.
3.3 Ukunyuka kobunzima kwiiProfayili zokuFafaza nge-Fluorocarbon Paint Spray
Umyinge wobunzima bokutyaleka kwiiprofayili ezifakwe kwipeyinti ye-fluorocarbon ayikho ngaphantsi kwe-30μm kwiidyasi ezimbini, i-40μm kwiidyasi ezintathu, kunye ne-65μm kwiidyasi ezine. Uninzi lweemveliso ezifakwe kwipeyinti ye-fluorocarbon zisebenzisa iidyasi ezimbini okanye ezintathu. Ngenxa yeentlobo ezahlukeneyo zepeyinti ye-fluorocarbon, ukuxinana emva kokunyanga kuyahluka. Ukuthatha ipeyinti eqhelekileyo ye-fluorocarbon njengomzekelo, ukunyuka kobunzima kunokubonwa kwiTheyibhile yesi-2 elandelayo.
Ngokutsho kwedatha kwitheyibhile, ukunyuka kobunzima emva kokutshiza kweengcango kunye neeprofayili zefestile ezine-akhawunti yepeyinti ye-fluorocarbon malunga ne-2.0% ukuya kwi-3.0%. Ngetoni enye yeeprofayili, imalunga nama-20kg ukuya kuma-30kg.
3.4 Ulawulo lokutyeba koMaleko woNyango olungaphezulu kwiPowder kunye neFluorocarbon Peyinti yeeMveliso zokuNgqunyiswa kweSipreyi
Ukulawulwa komgangatho wokugquma kwi-powder kunye ne-fluorocarbon painted-coated-coated-coated-coated-coated-coated-coated-coated-coated-coated-coated-co-coated point point control point in production, ikakhulu ukulawula ukuzinza kunye nokufana kwe powder okanye ipeyinti yokutshiza kwi-spray gun, ukuqinisekisa ubukhulu obufanayo befilimu yepeyinti. Kwimveliso yokwenyani, ubukhulu obugqithisileyo bomgangatho wokugquma sesinye sezizathu zokugquma kwesibini sokutshiza. Nangona umphezulu upholishiwe, umaleko wokutshiza usenokuba ngqindilili ngokugqithisileyo. Abavelisi kufuneka bomeleze ulawulo lwenkqubo yokugquma isitshizi kwaye baqinisekise ubukhulu bokutyaleka kokutshiza.
4.Ubunzima boMahluko obubangelwa ziiNdlela zokuPakisha
Iiprofayili ze-Aluminiyam zivame ukupakishwa ngephepha lokusonga okanye i-shrink ifilimu yokugubungela, kwaye ubunzima bezinto zokupakisha ziyahluka ngokuxhomekeka kwindlela yokupakisha.
4.1 Ukunyuka kobunzima bokuSonga amaPhepha
Ikhontrakthi idla ngokuchaza umyinge wobunzima bokupakishwa kwephepha, ngokuqhelekileyo ungadluli kwi-6%. Ngamanye amazwi, ubunzima bephepha kwitoni enye yeeprofayili akufanele budlule i-60kg.
4.2 Ukunyuka kobunzima boKusongwa kweFilimu eShrink
Ukunyuka kobunzima ngenxa yokupakishwa kwefilimu kuncipha ngokubanzi malunga ne-4%. Ubunzima befilimu eyanciphayo kwitoni enye yeeprofayili akufanele idlule i-40kg.
4.3 Impembelelo yesimbo sokuPakisha kubunzima
Umgaqo wokupakishwa kweprofayili kukukhusela iiprofayili kunye nokuququzelela ukuphatha. Ubunzima bepakethe enye yeeprofayili kufuneka bube malunga ne-15kg ukuya kwi-25kg. Inani leeprofayili kwiphakheji nganye lichaphazela ipesenti yobunzima bokupakishwa. Ngokomzekelo, xa iiprofayili zesakhelo sefestile zipakishwe kwiiseti ze-4 kunye nobude beemitha ezi-6, ubunzima buyi-25kg, kunye nephepha lokupakisha lilinganisa i-1.5kg, i-accounting ye-6%, bhekisa kwi-Figure 5. Xa ifakwe kwiisethi ze Iziqwenga ezi-6, ubunzima buyi-37kg, kunye nephepha lokupakisha lilinganisa i-2kg, libalelwa kwi-5.4%, bhekisa kuMfanekiso 6.
Ukususela kula manani angasentla, kunokubonwa ukuba iiprofayili ezininzi kwipakethe, encinci ipesenti yobunzima bezinto zokupakisha. Ngaphantsi kwenani elifanayo leeprofayili kwiphakheji nganye, ubunzima obuphezulu beeprofayili, buncinci ipesenti yobunzima bezinto zokupakisha. Abavelisi banokulawula inani leeprofayili kwiphakheji nganye kunye nesixa sezinto zokupakisha ukuhlangabezana neemfuno zobunzima ezichazwe kwikhontrakthi.
Ukuqukumbela
Ngokusekwe kolu hlalutyo lungentla, kukho ukutenxa phakathi kobunzima bokwenene bobunzima beeprofayili kunye nobunzima bethiyori. Ukuphambuka kobunzima bodonga sesona sizathu siphambili sokuphambuka kobunzima. Ubunzima bomgangatho wonyango lomphezulu bunokulawulwa ngokulula, kwaye ubunzima bezinto zokupakisha buyalawuleka. Ubunzima obuphakathi kwe-7% phakathi kobunzima kunye nobunzima obubalwayo buhlangabezana neemfuno eziqhelekileyo, kwaye umahluko phakathi kwe-5% yinjongo yomenzi wemveliso.
Ihlelwe nguMay Jiang esuka kwiMAT Aluminium
Ixesha lokuposa: Sep-30-2023
