Titanium alloys ni iwuwo kekere, agbara kan pato ti o ga, idena ipata ti o dara, iba ina gbigbona kekere, ti kii ṣe majele ati ti kii ṣe oofa, ati pe o le ṣe welded; wọn jẹ lilo pupọ ni ọkọ ofurufu, afẹfẹ, kemikali, epo, ina, iṣoogun, ikole, awọn ẹru ere idaraya ati awọn aaye miiran.
Awọn ọna alurinmorin ti o wọpọ fun titanium ati awọn alloys titanium pẹlu: alurinmorin argon arc, alurinmorin arc submerged, alurinmorin elekitironi igbale, abbl.
Igbaradi ṣaaju ki o to alurinmorin
Didara dada ti weldment ati okun waya alurinmorin titanium ni ipa nla lori awọn ohun-ini ẹrọ ti isẹpo welded, nitorinaa o gbọdọ di mimọ.
1) Mimo ẹrọ: Fun awọn alurinmorin ti ko nilo didara alurinmorin giga tabi ti o nira lati mu, iwe-iyanrin ti o dara tabi awọn gbọnnu okun irin alagbara irin alagbara le ṣee lo lati mu ese wọn, ṣugbọn o dara julọ lati lo ofeefee carbide lati pa awo titanium kuro lati yọkuro ohun elo afẹfẹ.
2) Kemikali ninu: Ṣaaju ki o to alurinmorin, nkan idanwo ati okun waya alurinmorin le jẹ pickled. Ojutu pickling le jẹ HF (5%) + HNO3 (35%) ojutu omi. Fi omi ṣan pẹlu omi mimọ lẹhin gbigbe, ki o si weld lẹsẹkẹsẹ lẹhin gbigbe. Tabi lo acetone, ethanol, erogba tetrachloride, kẹmika, ati bẹbẹ lọ lati mu ese titan awo titanium ati awọn ẹgbẹ mejeeji (laarin 50mm kọọkan), oju ti okun waya alurinmorin, ati apakan nibiti imuduro ti n kan si awo titanium.
3) Aṣayan ohun elo alurinmorin: Fun alurinmorin argon arc ti titanium ati titanium alloy tungsten plates, orisun agbara alurinmorin DC argon arc pẹlu awọn abuda ita ati ibẹrẹ arc igbohunsafẹfẹ giga yẹ ki o yan, ati pe akoko ifijiṣẹ gaasi ti o da duro ko yẹ ki o kere ju Awọn aaya 15 lati yago fun ifoyina ati idoti ti weldment.
4) Aṣayan awọn ohun elo alurinmorin: mimọ ti gaasi argon ko yẹ ki o kere ju 99.99%, aaye ìri yẹ ki o wa ni isalẹ -40 ℃, ati lapapọ ida ibi-ti awọn impurities yẹ ki o jẹ 0.001%. Nigbati titẹ ninu silinda argon ba lọ silẹ si 0.981MPa, o yẹ ki o da duro lati ṣe idiwọ ni ipa lori didara apapọ welded.
Ohun elo alurinmorin Xinfa ni awọn abuda ti didara giga ati idiyele kekere. Fun awọn alaye, jọwọ ṣabẹwo:Alurinmorin & Awọn oluṣelọpọ Ige - Alurinmorin China & Ile-iṣẹ Ige & Awọn olupese (xinfatools.com)
5) Idaabobo gaasi ati iwọn otutu alurinmorin: Isopọ paipu titanium jẹ kekere lakoko alurinmorin. Lati le ṣe idiwọ isẹpo welded lati jẹ ibajẹ nipasẹ awọn gaasi ipalara ati awọn eroja ni awọn iwọn otutu giga, agbegbe alurinmorin ati weld gbọdọ wa labẹ aabo alurinmorin pataki ati iṣakoso iwọn otutu, ati pe iwọn otutu yẹ ki o wa ni isalẹ 250 ℃.
Awọn ilana Iṣiṣẹ
1. Nigbati o ba n ṣe afọwọṣe argon arc alurinmorin, igun ti o kere julọ (10 ~ 15 °) yẹ ki o wa ni itọju laarin okun waya ati wiwọ. O yẹ ki o jẹ okun waya alurinmorin sinu adagun didà ni imurasilẹ ati ni deede lẹgbẹẹ iwaju opin adagun didà naa, ati pe opin okun waya alurinmorin ko yẹ ki o gbe kuro ni agbegbe aabo argon.
2. Nigba ti alurinmorin, awọn alurinmorin ibon besikale ko ni golifu nâa. Nigbati o ba nilo lati golifu, igbohunsafẹfẹ yẹ ki o jẹ kekere ati iwọn wiwu ko yẹ ki o tobi ju lati ṣe idiwọ ni ipa lori aabo ti gaasi argon.
3. Nigbati o ba fọ arc ati ipari weld, tẹsiwaju lati kọja aabo argon titi ti weld ati irin ti o wa ni agbegbe ti o ni ipa lori ooru tutu si isalẹ 350 ℃ ṣaaju ki o to yọ ibon alurinmorin kuro.
Dada awọ ti weld ati ooru-fowo agbegbe
1. Weld agbegbe
Fadaka funfun, ofeefee ina (a gba laaye fun awọn welds akọkọ, keji ati ipele kẹta); ofeefee dudu (a gba laaye fun awọn welds ipele keji ati kẹta); eleyi ti goolu (a gba laaye fun awọn welds ipele kẹta); dudu bulu (ko gba ọ laaye fun igba akọkọ, keji ati kẹta ipele welds).
2. Ooru-folu agbegbe
Fadaka funfun, ofeefee ina (a gba laaye fun awọn welds akọkọ, keji ati ipele kẹta); ofeefee dudu, eleyi ti goolu (a gba laaye fun awọn welds ipele keji ati kẹta); buluu dudu (a gba laaye fun awọn welds ipele kẹta).
Akoko ifiweranṣẹ: Oṣu Kẹjọ-20-2024
