Weihua technology b? ?kachamara aluminum extrusion suppliers, any? nwere elu technology, ?garanya mmep?ta ah?mah?, elu ?k?l?t? àgwà akara ngwá na nd? mba ?z? nd? ah?a na-iru ogologo oge mmek?r?ta nke coo.We nwere ike n'?z? zuru ezu onwe-edozi niile mmep?ta Filiks nke aluminum extrusion ngwaah?a, ya b? "Nch?p?ta ngwaah?a na mmepe", "?kp?zi ihe eji emep?ta na imep?ta ihe," nkedo alloy ", wdg. A na-anabata g? ka ? gakwuru ngwa ngwa nke aluminom.
Aluminom extrusion mmep?ta na nhazi tekn?z?
1. Njikwa kachas? mma nke ihe nd? mejup?tara
6063-t5 ?l? profa?l? aluminom ga-enwer?r? ?f?d? ihe eji ar? ?r?. N'okpuru otu ?n?d? nd? ?z?, ike mgbat? na ike ?m? mkp?r? na-abawanye site na mm?ba nke ?d?naya ah?. Usoro ike nke 6063 ?la edo b? tumadi Mg2Si phase. Ego ole ka a ga-ewere Mg, Si na Mg2Si? Mg2Si phase nwere mkp?r? magnesium ab?? na at?m?k?n at?m. Ak?k? at?m?k sitere na magnesium b? 24.3 l na otu atom?k?ns nke silicon b? 28.09. Ya mere, oke nch?k?ta nke magnesium na silicon na ogige Mg2Si b? 1.73: 1.
Ya mere, d?ka nsonaaz? nyocha d? n'elu, ? b?r? na njup?ta nke magnesium-silicon ?d?naya kar?r? 1.73, magnesium d? na alloy ? b?gh? naan? ga-etolite Mg2Si phase, kamakwa magnesium kar?r?; ma ? b?gh? ya, ? b?r? na ?n??g? ah? erugh? 1.73, ? na-egosi na s?l?k?n ga-etolite mpaghara Mg2Si ma nwee silicon f?d?r?n?.
Ngafe magnesium b? emer? ah? n'ibu Njirimara nke alloys.Magnesium n'ozuzu na-ach?kwa na ihe 0,5%, Mg2Si ng?k?ta akara na 0.79% .Mgbe e nwere njuputa nke 0.01% s?l?k?n, na n'ibu Njirimara b nke alloy b? banyere 218Mpa, nke nwere kar?r? nn?? ar?m?r? nke mba, na njup?ta silicon na-esi na 0.01% gaa 0.13%, b nwere ike ?gbakwunye na 250Mpa, nke b? 14.6%. Iji mep?ta ?f?d? ego nke Mg2Si, ?nw? silicon kpatara site na ad?gh? ?cha d? ka Fe na A ghagh? ?t?le Mn nke mb?, ya b?, a ga-emer?r?r?r? ?f?d? mkp?r? nke silicon gafere ka magnesium na alloy 6063 kwek?? na silicon ah?, a ga-agbasi mb? ike iji mee Mg: Si <1.73 n'oge ah? Nch?k?ta nke magnesium ? b?gh? nan? na-eme ka mmet?ta na-ewusi ike, kamakwa ? na-eme ka ?n? ah?a ngwaah?a ah? d?kwuo elu.
Ya mere, ihe mejup?tara 6063 alloy ka a na - ejikar?: Mg: 0.45% -0.65%; Si: 0.35% -0.50%; Mg: Si = 1.25-1.30; Odighi ?cha Fe <0.10% -0.25%; Mn <0.10%.
2. Na-ebuli usoro mgbakwunye nke ingot homogenization
Na mmep?ta nke profa?l? extruded obodo, nk?wap?ta d? elu nke 6063 alloy b? 560 ± 20 ℃, mkpuchi ah? b? 4-6h, usoro j?r? oyi na-amanye ikuku j?r? oyi ma ? b? mmiri j?r? oyi.
The homogenization nke alloy nwere ike melite extrusion ?s? na belata extrusion mgbali site banyere 6% -10% t?nyere ingot enwegh? homogenization.The j?r? ?n?ego mgbe homogenization nwere mmet?ta d? mkpa na ?d?da omume nke an? ah?. j?r? mgbe m?r? mmiri, Mg2Si nwere ike gbachap? kpamkpam na matriks ah?, na njup?ta Si ga-ab?kwa ihe ngw?ta siri ike ma ? b? mgbasa nke ezigbo ah?. ?d? ingot nwere ike ?gbanye ngwa ngwa na ogo ala ma nweta ?mar?cha igwe na ihu igwe.
Na mmep?ta nke aluminum extrusion, dochie nd? na-eguzogide ?k? ?k? ?k? na mman? ma ? b? gas kpo oku ?k? nwere ike nweta ihe doro anya na-echekwa ike..d? nh?r? ezi uche d? na ?d? ?k?, ?k? na ?n?d? mgbasa ikuku nwere ike ime ka ?k? ah? nweta ?d? edo edo ma kw?sie ike, ma mezuo ya nzube nke ime ka usoro ah? kw?sie ike ma melite ogo ngwaah?a.
Mgbe ?t?t? af? nke ?r? na mm?ba na-aga n'ihu n'ihu, a kp?batara ?l? ?k? na-ere ?k? na-ere ?k? na-ere ?k? kar?a 40% na ah?a.?k? ?k? ?k? na-agba ?k? mgbe ? kpes?r? ngwa ngwa kar?a 570 ℃, na mgbe oge nchekwa ?k?, na-eme ka mmiri na-agbap?ta na nso extrusion okpom?k? extrusion, akw?kw? na-ekpo ?k? na-ekpo ?k? enwetawo usoro homogenization, usoro a na-akp? ?gw?gw? iri ab??, na-ezute ihe 6063 alloy hot extrusion ch?r?, ma si otú a na-az?p?ta otu ?d? kem?kal?, nwere ike ?chekwaa ntinye ak?r?ngwa na ike ike, b? usoro a ga-akwalite.
3. Na-ebuli extrusion na usoro ?gw?gw? ?k?
3.1 kpo oku nke ingot
Maka mmep?ta extrusion, okpom?k? extrusion b? isi d? oke mkpa ma d? oke egwu.?d? mgbat? nwere mmet?ta d? ukwuu na ogo ngwaah?a, nr?p?ta mmep?ta, ?nw? nd? na oriri ike.
Nsogbu kachas? mkpa nke extrusion b? njikwa nke okpom?k? ?la. Site na kpo oku nke ingot na mkpochapu nke profa?l? extrusion, ? d? mkpa iji h? na usoro nke agbaze anagh? ewep? ihe ngw?ta ma ? b? gosip?ta mgbasa nke obere ah?.
A na-edozi ?n?d? okpom?k? nke 6063 alloy ingot n'ime oke okpom?k? nke Mg2Si ?d?da, na oge kpo oku nwere mmet?ta d? mkpa na ?d?da Mg2Si. N'ikwu okwu n'ozuzu, enwere ike ?t?? ?k? 6063 alloy ingot d? ka:
Ezigbo ihe na-ad?gh? mma: 460-520 ℃; Homogenized ingot: 430-480 ℃.
A na-agbanwe okpom?k? nke extrusion d?ka ngwaah?a d? iche iche na nr?gide unit n'oge ?r?.The okpom?k? nke ingot na mpaghara deformation na-agbanwe n'oge usoro extrusion. Na mmecha nke usoro extrusion, ?n?d? okpom?k? nke mpaghara nr?r? na-eji nway?? nway?? na-agba ?s? ma na-agbap? ngwa ngwa. Ya mere, iji gbochie ntoputa nke mgbawa extrusion, a ga-eji nway?? nway?? belata ngwa ngwa na ?ganihu nke usoro extrusion na mm?ba nke ?n?d? nr?r? mpaghara.
3.2 extrusion ?s?
A ghagh? iji ?s? ?s? na-ach?kwa extrusion n'oge usoro extrusion ah?.?s? ?s? ?s? nwere mmet?ta d? mkpa na mmet?ta ?k? nke nr?r?, nr?r? nr?r?, nyochaghachi na usoro ngw?ta siri ike, ak?r?ngwa ak?r?ngwa na njirimara nke ngwaah?a.
? b?r? na extrusion ?s? d? oke ?s?, elu nke ngwaah?a a ga-ap?ta pitting, mgbape na na. N'otu oge ah?, oke ngwa ngwa extrusion ?s? na-abawanye inhomogeneity nke metal deformation.The outflow ?n?ego n'oge extrusion na-adabere na ?d? nke alloy na jiometr?, nha na ?n?d? ihu igwe nke profa?l?.
Enwere ike ?h?r? ?s? ?s? nke profa?l? 6063 alloy (?s? ?s? nke ?la) d? ka 20-100 m / min.
Site na ?ganihu nke tekn?z? nke oge a, enwere ike ?ch?kwa ?s? nke extrusion site na mmemme ma ? b? mmemme echep?tara. Ka ? d? ugbu a, e mep?tala tekn?z? ?h?? d?ka usoro nke extrusion nke isothermal na CADEX.By na-agbanwezi ngwa ngwa nke extrusion iji mee ka ?n?d? okpom?k? nke mpaghara nr?r? d? na mgbe niile, ebumnuche nke ngwa ngwa ngwa na-enwegh? mgbape nwere ike nweta.
Iji meziwanye ar?m?r? mmep?ta, enwere ike ?me ?t?t? ihe na usoro ah?. Mgbe ? na-eji kpo oku ?k? ?k?, enwere gradient okpom?k? nke 40-60 ℃ (gradient kpo oku) na nt?p? nke ogologo nke ingot. E nwekwara mmiri j?r? anw? extrusion, ya b?, na az? na ns?t? nke ebu mmiri amanye j?r?, ule gosiri na extrusion ?s? nwere ike m?bara site 30% -50%.
N'ime af? nd? na-ad?begh? anya, e jiri nitrogen ma ? b? mmiri mmiri nitrogen mee ka ?nw? anw? (extrusion die) ná mba ?z? iji mee ka ? gbasaa ngwa ngwa, meziwanye nd? anw? ma melite ogo profa?l? profa?l?. na obi j?r? ngwaah?a ngwangwa mkpi, obi j?r? extrusion anw? na metal deformation ebe, ka deformation okpom?k? nap?r?, na ebu ?z? ?p?p? na-ach?kwa ikuku nke nitrogen n'otu oge, belata aluminom oxide, mbenata alumina adhesion na ìgwè, otú ikuku nitrogen iji meziwanye ogo nke ngwaah?a, nwere ike ime ka ngwa ngwa nke extrusion d?kwuo mma.CADEX b? usoro ?h?? nke mep?tara ?h?r?, nke na-etolite usoro mmechi mechiri emechi yana okpom?k? extrusion, ?s? extrusion na mgbat? mgbat? n'oge usoro extrusion iji mezuo oke extrusion na mmep?ta ar?m?r? ma h? na ar?m?r? kacha mma.
3.3 quenching na igwe
Ebumnuche nke 6063-t5 quenching b? iji chekwaa Mg2Si siri ike gbazere na matriki ?la na akwa okpom?k? mgbe a na-eme ka oghere ihe d? j?? na ?n?d? ?l? ngwa ngwa. ?n? ?g?g? j?r? oyi na-ad?kar? ka ?d?naya nke oge ah? na-ewusi ike. ?n?ego nke 6063 alloy b? 38 ℃ / min, n'ihi ya, ? kwes?r? ekwes? maka ikuku quenching.The ike ike ike gbanwere site na-agbanwe agbanwe na-akwado na onye ofufe mgbanwe, nke mere na okpom?k? nke ngwaah?a tupu obimgbalielu ?gbat? nwere ike belata 60 ℃.
3.4 erugh? ala ?gbat?
Mgbe profa?l? si na onu onwu, izugbe traction na trakt?.Mgbe trakt? ah? na-ar? ?r?, ? na-eme ka ngwaah?a nd? ah? na-ap? ap? na-agba ?s? na ?s? ?s? nke ngwaah?a na ?f?d? esemokwu traction. Ebumnuche iji trakt? b? iji belata ogologo nke multi-waya extrusion na hichap?, kamakwa iji gbochie profa?l? nke ebu oghere mgbe agbag?, ekwe, obimgbalielu ?gbat? ka nsogbu.
Mgbat? mgbat? nwere ike ? b?gh? naan? iwep? ?d?d? ogologo nke ngwaah?a a, kamakwa belata nr?gide f?d?r?n?, melite njirimara ike ya ma jigide ihu ya d? mma.
3.5 ?ka nká
Ka nká na-ach? edo okpom?k?, okpom?k? d? iche na-agagh? ± 3-5 ℃ .The keakamere ?ka nká okpom?k? nke 6063 alloy b? n'ozuzu 200 ℃ .The ?ka nká mkpuchi oge b? 1-2 hours.In iji melite n'ibu Njirimara, ?ka nká nke 180-190 Maka awa 3-4 ka a na-ejikwa, mana ar?m?r? mmep?ta ga-ebelata.
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