Disiki ya aluminiyumu isize amabara ikoreshwa cyane mubikoresho byo guteka, ibice by'imodoka, ibigo by'amashanyarazi, hamwe n'imitako yubatswe kubera uburemere bwabyo, birwanya ruswa, kandi bikurura ubwiza. Kurambura kurambura nuburyo bwingenzi bwo gutunganya kugirango disike igerweho mubicuruzwa byifuzwa, ariko abayikora nabaguzi benshi bahangayikishijwe nikibazo rusange: gukuramo amarangi cyangwa guturika. Aka gatabo kazasubiza niba iki kibazo kibaye, gisobanure icyabiteye, kandi gitange ibisubizo bifatika bigufasha kwirinda inenge no kwemeza ubuziranenge bwibicuruzwa.

Ese gusiga irangi cyangwa kumeneka bizabaho muburyo burambuye bwa disiki ya Aluminiyumu isize amabara?

Igisubizo kigufi ni: Yego, birashobora kubaho, ariko birashobora kugenzurwa rwose. Gukuramo amarangi (gukata) no guturika ntabwo byanze bikunze biva muburyo bwo kurambura - biterwa ahanini nibikoresho bidahuye, ibipimo bidakwiye, cyangwa kubanza kuvurwa bifite inenge. Hamwe noguhitamo neza, kugenzura uburyo bwiza, no kugenzura ubuziranenge, urashobora kugera kumurongo urambuye nta kwangiza irangi.

Urufunguzo rwo kwirinda izo nenge ruri mu gusobanukirwa ibintu byingenzi bigira ingaruka ku guhuza amarangi no guhinduka mugihe cyo kurambura, ibyo tuzabisobanura mubice bikurikira.

Uburyo busanzwe bwo kwangiza irangi mugihe cyo kurambura

Iyo kwangirika kw'irangi bibaye mugihe cyo kurambura, mubisanzwe bitanga muburyo butatu, buri kimwe kijyanye no gukwirakwiza imihangayiko nibikorwa:

1. Kumena irangi (Crazing cyangwa umusatsi wogosha)

Ibice byiza, byuzuye bigaragara ahantu harambuye, ahanini byibanda kuruhande rwa punch na mold yuzuye. Ibi bice akenshi usanga ari umusatsi-muremure kandi bigoye kubimenya ukoresheje ijisho ryambere, ariko bizaguka mugihe cyangwa kubikoresha nyuma, amaherezo biganisha ku gusiga irangi. Iyi phenomenon ahanini iterwa na firime idasize irangi idahinduka cyangwa igipimo kinini cyo kurambura.

2. Gukuramo irangi (Gukata cyangwa Gukubita)

Filime yo gusiga irangi ikuramo ibice, cyane cyane kumpera na flange ya disiki ya aluminium. Agace kashwanyaguwe gashyira ahagaragara aluminiyumu fatizo, yangiza mu buryo butaziguye isura y’ibicuruzwa no kurwanya ruswa. Iki kibazo giterwa cyane cyane no kudahuza neza hagati ya firime irangi na substrate ya aluminium, cyangwa guhangayikishwa birenze imbaraga zo guhuza imbaraga.

3. Microcracks

Microcrack itagaragara mumaso kandi irashobora kugaragara gusa kuri microscope. Nubwo bidahindura isura mugihe gito, bahinduka imiyoboro yubushuhe nibitangazamakuru byangirika byinjira, bigatera kwangirika kwangirika no kwangiza irangi. Ibi nibishobora guteza ingaruka nziza bitagomba kwirengagizwa.

Impamvu nyamukuru zitera gusiga irangi no guturika

Kwangirika irangi mugihe cyo kurambura ni ibisubizo byingaruka zifatika za sisitemu yo gutwikira, ubwiza bwubutaka, uburyo bwo kurambura, hamwe nuburyo bumeze. Hano haribintu bine bikunze kugaragara:

1. Sisitemu idahuye (Impamvu Zisanzwe)

Imikorere ya coating igena neza ubushobozi bwayo bwo kurwanya kurambura. Ipfunyika zoroshye, nka epoxy isanzwe hamwe na polyester igizwe na poliester imwe, ifite imiterere idahwitse kandi ikunda gucika mugihe ihuye nikibazo kinini. Ibinyuranyo, impuzu zoroshye nka fluorocarubone ya PVDF, polyester yoroheje (PE), hamwe nu mwambaro udasanzwe wo kurambura urwego rufite uburebure burambuye mugihe cyo kuruhuka kandi birashobora guhuza nuburyo bwo guhindura ibintu mugihe cyo kurambura.

Ibindi bibazo bifitanye isano no gutwikira harimo: uburebure bukabije (hejuru ya 35 mm), butuma firime irangi icika; gukira cyane mugihe cyo gutwikira, bigabanya guhinduka; no kutabangikanya hagati ya primer na topcoat, biganisha ku gufatana nabi kwa interlayer hamwe no gutondekanya ibice mugihe cyo kurambura.

2. Kugabanya inenge no Kwitegura

Ubwiza bwa aluminium substrate ni ishingiro ryo gutsinda neza. Ibikoresho bya aluminiyumu bifite isuku idahagije, ibinyampeke bito, cyangwa ubukana bukabije cyane (nkubushyuhe bwa H18) bifite ihindagurika ribi kandi bikunda kuvunika mugihe cyo kurambura, bigatuma firime irangi yameneka. Ibisanzwe bisanzwe bikwiye harimo 1060-O, 3003-O / H14, na 5052-O / H32, bifite ihindagurika ryiza kandi rihuza no kurambura.

Kwitegura mbere ni ngombwa cyane: kugabanuka kutuzuye cyangwa kubura firime ya chromate / idafite chromate passivation hejuru ya aluminiyumu bizagabanya cyane gufatira amarangi, bingana na 60% byibibazo byo gukuramo amarangi. Filime ya passivation ikora nka molekuline 'ikiraro ' hagati ya substrate hamwe n irangi, byongerera imbaraga hamwe no kurwanya ruswa.

3. Inzira idahwitse yo gushiraho

Ibipimo byuburyo ni urufunguzo rwo kugenzura ibyangiritse. Ikigereranyo cyo kurambura cyane (hejuru ya 15%), radiyo ntoya cyane yuzuye (munsi ya 1.5t, aho t ni umubyimba wa disiki), hamwe nimbaraga zidasanzwe zifite imbaraga zose zizatera imihangayiko ikabije yaho, biganisha kumena amarangi no gukuramo.

Byongeye kandi, hejuru yububiko bubi, inguni zityaye, hamwe no gusiga amavuta bidahagije byongera ubushyamirane hagati yububiko na disiki ya aluminiyumu, bigatuma guhangayikishwa cyane no kwangiza firime. Umuvuduko mwinshi urashobora kandi gutuma habaho guhinduka kutaringaniye hamwe nubushyuhe bukabije, byangiza irangi.

4. Inenge muburyo bwo gutwikira amabara

Ubwiza bwibara ryibara ryibara bigira ingaruka kumikorere ya firime. Ubunini bwa firime butaringaniye mugihe cyo gutwikisha uruziga, guteka bidahagije, cyangwa guteka cyane bizatera impagarara zimbere muri firime. Filime irangi hamwe nihungabana ryimbere ntabwo ihindagurika kandi irashobora gucika mugihe ikorewe imbaraga zo kurambura hanze. Igikorwa cyo gutwikisha ibiceri - harimo gusukura cyane, gufata imiti, gukoresha neza primer / topcoat, hamwe no gukiza amashyuza - ni ingenzi cyane kugirango ubuziranenge bwa firime irangwe kandi uburinganire.

Ibisubizo bifatika kugirango wirinde gusiga irangi no guturika

Kugira ngo ukemure ibyangiritse mugihe cyo kurambura, ugomba gushyiraho uburyo bunoze bwo kugenzura ubuziranenge bukubiyemo guhitamo ibikoresho, gukora neza, kubungabunga ibumba, no kugenzura byinjira. Hano haribisubizo bifatika:

1. Shyira imbere Guhitamo Ibikoresho Bikwiye

Hitamo insimburangingo hamwe nigitambaro kijyanye no kurambura:

- Substrate: Hitamo byoroshye-ubushyuhe bwa aluminiyumu ya aluminiyumu ifite ihindagurika ryiza, nka 1060-O, 3003-O / H14, na 5052-O / H32. Irinde ubushyuhe bukabije nka H18, bukunda gucika.

- Igipfundikizo: Hitamo uburyo bwo kurambura urwego, nka fluorocarubone ya PVDF (uburebure bwa firime 20-25 mm) cyangwa PE ihindagurika (uburebure bwa firime 18-25 mm). Ipfunyika ya PVDF itanga uburyo bworoshye bwo guhangana n’ikirere, mu gihe ibyoroshye bya PE byoroshye kandi bikwiranye no kurambura mu rugero. Irinde epoxy isanzwe hamwe n-amarangi yuzuye ikoti kubera guhinduka kwayo.

- Kwitegura: Menya neza ko substrate igenda yangirika neza hamwe na chromate / itari chromate passivation, hamwe na firime ya passivation ifite uburemere bwa 50-100mg / ㎡ kugirango yongere amarangi.

2. Hindura uburyo bwo kurambura ibipimo

Hindura ibipimo kugirango ugabanye guhangayika no kurinda firime irangi:

- Ikigereranyo cyo Kurambura: Igenzure muri ≤12%. Kugirango urambure cyane, fata inzira-ebyiri kugirango wirinde guhindagurika gukabije mu ntambwe imwe.

- Mold Fillet Radius: Menya neza ko radiyo yuzuye (R) ari ≥2t (uburebure bwa t = disiki) kuri punch zombi hanyuma igapfa kugirango ugabanye imihangayiko yaho.

- Imbaraga zifata ubusa: Komeza kugabanura kugeza hasi, kandi ukoreshe impeta ya polyurethane yambaye ubusa kugirango wirinde gushushanya irangi mugihe cyo gukora.

- Gusiga amavuta: Koresha amavuta ya aluminiyumu arambuye cyangwa amavuta yumye kugirango ugabanye ubushyamirane hagati yububiko na disiki, wirinde kwangirika kwatewe no gutera amarangi no kongera ubushyuhe.

- Gukora Umuvuduko: Koresha hydraulic kanda kugirango urambure buhoro, ufite umuvuduko wa 50-100mm / min kugirango wirinde ingaruka no guhinduka kutaringaniye.

3. Kunoza imiterere n'ibikoresho

- Gushushanya Mold: Polonye hejuru yububiko kugirango ukore indorerwamo, ukuraho inguni zikarishye hamwe nubugome kugirango ugabanye guterana no guhangayika.

- Icyuho cya Mold: Shyira icyuho cyo gupfa kuri 1.1-1.2t kugirango umenye ihinduka rimwe kandi wirinde umuvuduko ukabije kuri firime.

- Kubungabunga ibikoresho: Kugenzura buri gihe no kubungabunga ibikoresho birambuye kugira ngo ukore neza, wirinde gukoresha ingufu zingana zishobora kwangiza irangi.

4. Kora ubugenzuzi bukomeye bwinjira

Kugenzura disiki ya aluminiyumu isize amabara mbere yo kurambura kugirango ukureho ibikoresho bifite inenge:

- Ikizamini cya Bend: Kora ikizamini cya 180 ° (R = 0) kugirango urebe ko nta kantu kagaragara kuri firime irangi, byerekana guhinduka neza. Ikizamini cya T-bend nacyo kirasabwa, hamwe nu gipimo cya 0t - 1t kugirango gikore neza (pvdf coating isanzwe ibigeraho).

- Ikizamini cya Adhesion: Koresha ikizamini cyambukiranya (ikizamini cya grid) kugirango umenye neza ko irangi rya firime irangi ≤1 urwego - ahantu ho gukuramo hagomba kuba munsi ya 5% kugirango ube wujuje ibisabwa.

- Ikizamini cya Thickness Test: Kugenzura uburebure bwa firime yumye ni 20-25 mm, wirinda umubyimba ukabije ugabanya guhinduka.

Umwanzuro: Urashobora kugera kumurongo urambuye utarangije ibyangiritse?

Yego. Muguhitamo disiki nziza ya aluminiyumu yuzuye (kurambura-urwego PVDF / flexible PE coating + soft-temper substrate + passivation ikwiye), guhitamo ibipimo byo kurambura (igipimo cyo kurambura ≤12%, radiyo yuzuye ≥2t, amavuta ahagije), no gukora igenzura rikomeye ryinjira, urashobora kwirinda rwose gusiga irangi no guturika mugihe cyo kurambura.

Kuri disiki isanzwe yuzuye ibara rya aluminiyumu (hamwe na kote yoroheje cyangwa insimburangingo ikomeye), birasabwa gusa kurambura (≤5%) kugirango wirinde kwangirika kw'irangi. Guhuza ibikoresho nibikorwa nurufunguzo rwo kwemeza ubuziranenge nigihe kirekire cyibicuruzwa birambuye bya aluminiyumu.