Tube Welding MIAB Welding Machines for Pipes MIAB Machines for Welding ://Weld.Hit.Edu.Cn/~Arc , , Lin Sanbao,Dr

For HIT students use only use students HIT For For HIT students use only use students HIT For /2 /4 ✺ ✺ ✺ ✺᧕ TIG ✺ ✺ TIG Weld penetration achievable in single pass TIG welding of TIG single pass in Weld penetration achievable stainless steel when as is limited mm using argon to 3 shielding gas. in TIG welding Poor productivity a combination results from of low welding speeds and in thicker material the high the joint. fill passes required to of number A-TIG TOPTIG MIAB TIPTIG limited of material can be thicknesswhich welded in a single pass poor tolerance to some material composition (cast to cast variations) the low productivity ✝э ৼ䫘ᶱ ਈᶱᙗㅹ⿫ᆀᕗ✺ z z z z z z z z z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc ⴞᖅ 1. Limitation of conventional TIG welding ¤ ¤ ✺ 1.1 A-TIG Dr. Sanbao LIN Dr. ------Department of Welding of Technology Institute Harbin China

(IILFLHQW7,*ZHOGLQJWHFKQLTXHV ✺ᣔ؍ㄐ˖儈᭸䶎⟄ॆᶱ≄փ

For HIT students use only use students HIT For 1 only use students HIT For /1 /1 /3 ㅜ 1.1 Activating Flux Assisted TIG Welding Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. ¤ ¤ ؽ ✺᧕ 1.5-2.5 ✺Ⲵ⭥ᕗ A-TIG ⟄␡ᛵߥ TIG ઼ A-TIG (b)PAW н䬸䫒ᶯˈᨀ儈⟄␡ ✺ к˖ TIG 6mm ⟄␡ᛵߥ ᑨ㿴 л˖ a)A-PAW 䀂᧕᧕ཤ ˄ ✺᧕

A-TIG

For HIT students use only use students HIT For For HIT students use only use students HIT For /6 /8 ✺ TIG ᑨ㿴 ᭩ழ✺㕍ᡀᖒ ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc Penetration increase Bead profile improvement ¤ ¤ 30% 䱽վປݵˈ ৊㇑䚃ˈṩ䜘䠁኎䟿 7mm

20mm 䫍䗩 ure life (more than ure

For HIT students use only use students HIT For For HIT students use only use students HIT For /5 /7 ✺᧕ᰦ䰤ሩ∄ idual stresses are reduced significantly (more than are reduced significantly idual stresses 䮯✺㕍਴⿽✺᧕ᯩ⌅ᡰ䴰Ⲵ✺䚃ቲᮠ઼ The new process enables single pass welding of higher single process enablesThe new plates thickness with higher welding speed and hence reduced heat input. of filler productivity and reduced consumption Enhanced wire Res TIG compare to conventional joints weld 70%) in A-TIG are and the weld weld joints distortion free. joints Significant improvement in creep-rupt 75%) (more of in the cost fabrication than reduction Significant 50%) Up to 25 mm plates can bedoublethick welded side using welding procedure with square edge preparation 1m z z z z z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 2. Advantages of A-TIG welding Advantages of 2. Penetration increase ¤ ¤ 690) ǃ 600 䫒ǃн䬸䫒䭽สਸ䠁 ( 䭽䬜ਸ䠁ǃഐ䭽ਸ䠁 н䬸䫒⻣䭠䫒ǃվਸ䠁䫒ǃ䬜䫬䫒䭽สਸ䠁⻣䭠䫒ǃվਸ䠁䫒ǃ Cr-Mo ୶ъॆ⍫ᙗࡲ৺䘲⭘ᶀᯉ

1- 1

㺘 For HIT students use only use students ⍫ᙗॆ✺᧕⎸䲔✺㕍≄ᆄ˄䫋ਸ䠁ሩ㕍✺᧕˅ HIT For /10 /12 PATIG - N-A FASTIG SS-7 CS-325 Fi-600 PATIG - S-A ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc Reduce the porosities Available at market ¤ ¤ ✺᧕ A-TIG ✺᧕ਈᖒ ✺

TIG

For HIT students use only use students HIT For For HIT students use only use students HIT For /9 /11 ᑨ㿴 HIT university of technology Lanzhou 625 (aerospace) Space UK: TWI US: EWI Japan India China ߿ሿਈᖒ 1960s institute) : Paton welding former Soviet Union (EO 1990s z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. Reduce distortion A-TIG welding History of ¤ ¤ 23 ઼ A-TIG ⭘ᰦ ( ণਟ✺ᆼǄ ) Alloy 718 䚃✺ᆼ 4 ࠶䫏 ✺Ⲵ⍫ᙗࡲˈᒦ൘ (12 ˈҏ䪸ሩ 䚃 ✺䴰㾱 2 A-TIG TIG TIG ᡆ㘵 ) Alloy600 ⍫ᙗࡲ֌⭘᭸᷌ ࠶䫏 (3 䚃 GH4263 1 A- ᒤҏᔰਁҶ⴨ᓄⲴ⍫ᙗࡲ ✺ਚ䴰 Ⲵ 䭽สਸ䠁 600

5mm

2007 ᒤᐖਣᔰਁҶ⭘Ҿ䭽สਸ䠁 For HIT students use only use A-TIG students HIT For /14 /16 䘋㹼Ҷᇎ傼Ǆ ✺᭸᷌ 2000 ԕкǄᐕъԱъ֯⭘㺘᰾ˈᑨ㿴 TIG ৊䭽สਸ䠁 ⭘֯ˈ ൘ ) Ⲵᔰਁ઼ᓄ⭘ Ⲵᔰਁ઼ᓄ⭘ 䭽สਸ䠁䭽สਸ䠁 ᐕъԱъѝ䘋㹼Ҷ䈅⭘Ǆ EWI 䭽สਸ䠁⍫ᙗࡲѫ㾱ᡀ࠶Ѫ≗ॆ⢙ˈᴹⲴ⍫ᙗࡲ䟷⭘ঔॆ⢙ᡀ࠶Ǆ ަ⹄ࡦⲴ⍫ᙗࡲѫ㾱䪸ሩ䭽สਸ䠁 Alloy 625 ᇎ傼㔃᷌㺘᰾ˈ൘н਼⭥⍱ᶑԦлˈᓄ⭘⍫ᙗࡲਾ⟄␡൷໎࣐൘ 100% ࠶䫏 ഭ޵૸ᐕབྷ൘ 䍩⭘㢲ⴱⲴ਼ᰦˈਈᖒ䟿ҏབྷབྷ߿ሿǄ 7.6mm z z z z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc 4. A-TIG 4. A-TIG ¤ ¤ 2 CaCl ǃ NaCl ǃ NaF ǃ 2 CaF ǃ 3 н䬸䫒⟄␡Ⲵᖡ૽ AlF ǃ 304 3 O 2 Cr ǃ 2 ⍫ᙗࡲሩ TiO ǃ 2 SiO

ᰐǃ

For HIT students use only use students HIT For For HIT students use only use students HIT For /13 /15 ᔰਁ઼ᓄ⭘ Ⲵ Ⲵ Ⲵᔰਁ઼ᓄ⭘ 䭽สਸ䠁 н䬸䫒઼⻣䭠䫒 Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 4. A-TIG 4. A-TIG ¤ ¤ ✺⍫ᙗࡲⲴ⹄ TIG

ㅹӪ⦷ݸᔰኅҶ䭱ਸ䠁

For HIT students use only use students HIT For For HIT students use only M. MARYA use students HIT For /18 /20 ᒤ㖾ഭ ᒤ૸ᐕབྷ䘋㹼Ҷ㊫լⲴ⹄ウǄ Ⲵᔰਁ઼ᓄ⭘ Ⲵᔰਁ઼ᓄ⭘ 䭱ਸ䠁 ަᆳᯩ⌅ ⲴᔰਁǄ 2002 2004 ⭡Ҿঔॆ⢙✺᧕ਾ✺㕍㺘䶒⟄⑓䳮ԕ䲔৫ˈᓄ⭘к䘈ᴹᖵҾ䘋а↕ ウˈ㘳ሏҶӄ⿽ঔॆ⢙ሩ✺㕍⟄␡ǃ⭥ᕗ⭥঻ǃ⭥ᕗ⑙ᓖⲴᖡ૽Ǆ z z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc 4. A-TIG 4. A-TIG ¤ ¤ ✺ A-TIG ✺Ⲵᯠර TIG(FB-TIG) ∄䖳᭿ᝏˈ O 㛼䶒⟄䘿ᛵߥሩ∄ ✺䚃㛼䶒 ⭥ᕗ൘䰤䳉ѝ㼨䵢Ⲵ䠁኎к⟳✗ˈ֯ᗇ⭥ᕗˈ✺ ✺Ǆ䈕ᯩ⌅✺ࡽ൘ᖵ✺✺䚃㺘䶒ѝᗳ४ฏ⎲ᮧվ⟄

$7,*

ㅹᔰਁҶ✺ࡲ䗩⭼ )=7,*

TIG For HIT students use only use students HIT For For HIT students use only use students HIT For /17 /19 ✺о 7,* ⲴӔ⍱ SIRE ✺䚃↓䶒 Ⲵᔰਁ઼ᓄ⭘ Ⲵᔰਁ઼ᓄ⭘ D 䫋ਸ䠁䬍ਸ䠁 TIG(FZ-TIG) ഐ↔䫋ਸ䠁⍫ᙗࡲѫ㾱ᡀ࠶ ⭡≏ॆ⢙㓴ᡀǄ ⭡Ҿ䫋ਸ䠁儈⑙лሩ 䫋ਸ䠁㮴Ԧ ⭥䱫⦷Ⲵ⍫ᙗࡲǄ ❦ਾ䘋㹼ᑨ㿴 ᙗ ᕗṩ᭦㕙ˈ⟄␡໎࣐Ǆ ४ฏ࠶࡛⎲ᮧ儈⟄ǃ⋨⛩઼儈חǃ⋨⛩઼վ⭥䱫⦷Ⲵ⍫ᙗࡲˈ൘є ˈѝ䰤⮉ࠪаᇊ䰤䳉ˈחᯩ⌅Ǆ䈕ᯩ⌅ሶ⍫ᙗࡲ⎲ᮧҾᖵ✺✺䚃є ⌅ഭᆖ㘵 ਇ↔੟ਁˈޠᐎ⨶ᐕབྷᆖ›бㅹӪ䪸ሩ䬍ਸ䠁ᶀᯉˈᨀࠪҶ࠶४⍫ 䬍ਸ䠁 PP ᭸᷌ z z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 4. A-TIG 4. A-TIG ¤ ¤ Ǆ ޘս㖞✺㇑䇮༷䘋㹼 9mm TIG ᰦˈ൘অ䶒✺ৼ䶒ᡀᖒᰦˈঅ䚃ᴰབྷ৊ ✺਼ṧਟ⭘Ҿ᡻ᐕ઼㠚ࣘ✺䗷〻ˈԕ৺ ᰦˈਟԕ⭘ᑨ㿴Ⲵ A-TIG Ǆ (PA, 1G) (PA,

6mm PC(5G) For HIT students use only use students HIT For For HIT students use only use students HIT For /22 /24 ✺Ǆ Ⲵᓄ⭘ Ⲵᔰਁ઼ᓄ⭘ ᓖᴰྭн䎵䗷 ሩҾ㇑䚃⧟㕍✺᧕ˈ ᖃ✺᧕ս㖞Ѫᒣ✺ ྲᴹ㛼䶒ෛᶯ᭟᫁ˈঅ䚃ਟ✺৊ᓖ໎࣐ࡠ ᖃ✺᧕ս㖞Ѫ A-TIG ਴⿽✺᧕ս㖞Ǆ н䬸䫒઼⻣䭠䫒 н䬸䫒઼⻣䭠䫒 70mm diameter, 5mm wall steel thickness stainless tube, welded using the Paton Welding Institute in the 5Gactivating flux position. z z z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc 4. A-TIG 4. A-TIG ¤ ¤ ˈ䴰㾱 6mm Ǆ ✺໎࣐ṩ䜘⟄䘿␡ᓖˈ߿ቁਾ㔝Ⲵປ 6mm ✺᧕⻣䭠䫒ᶯᶀሩ᧕✺㕍ᰦˈ㠚ࣘ✺ਟԕঅ A-TIG Ⲵᶯᶀˈ᧘㦀䟷⭘ৼ䶒є䚃✺᧕Ǆྲ᷌ᇎ䱵㔃 Ǆ䴰㾱⌘᜿ྲ᷌✺᧕ᶯᶀ৊ᓖབྷҾ A-TIG

12mm For HIT students use only use students HIT For /21 /23 ս㖞 12mm (PA) ✺ᰒਟ⭘Ҿ᡻ᐕ✺ˈӖਟ⭘Ҿ㠚ࣘ✺ˈҏ䘲⭘Ҿ਴⿽✺᧕ս Ⲵᓄ⭘ Ⲵᓄ⭘ 䫋ਸ䠁 ૸ᐕབྷ ഭ޵Ḁ䙐㡩ъⲴᓄ⭘ 俆ݸᓄ㘳㲁㠚ࣘ✺Ǆ ᛵߥлˈᴰབྷਟ✺৊ᓖሿҾ ᶴнݱ䇨ৼ䶒✺ˈਟ⭘ 䚃а⅑✺䘿 ൘✺㕍㛼䶒⭘ෛᶯ᭟᫁ˈ䱢→⟄⊐л๼Ǆ A-TIG 㖞ǄഐѪ㠚ࣘ✺㜭ཏ᧗ࡦ⭥ᕗⲴ儈ᓖˈྲ㾱а⅑✺䘿ᴤ৊Ⲵᶯᶀˈ ൘ᒣ✺ ሩҾ৊ᓖབྷҾ ྲ᷌✺᧕ս㖞Ѫ䶎ᒣ✺ս㖞ˈᡆ֯⭘᡻ᐕ✺ˈ൘অ䶒✺ৼ䶒ᡀᖒⲴ ݵ✺䚃ᮠ䟿Ǆ н䬸䫒઼⻣䭠䫒 z z z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 4. A-TIG 4. A-TIG ¤ ¤

TIG A-TIG TIG A-TIG ˈ⭡Ҿ✝䗃ޕ߿ቁˈਈᖒ䟿ᗇࡠ᧗ࡦǄ ✺ TIG

✺᧕ৼ⴨н䬸䫒䘋㹼⹄ウˈ䟷⭘⍫ᙗࡲਾˈ䫱㍐փਜ਼ н䬸䫒㇑ 45%-55% For HIT students use only use students HIT For For HIT students use only use students HIT For /26 /28 5.7mm A-TIG ሩ Ⲵᔰਁ઼ᓄ⭘ Ⲵᔰਁ઼ᓄ⭘ ໱৊Ѫ ᤱ൘؍❦䟿ӽ EWI н䬸䫒઼⻣䭠䫒 н䬸䫒઼⻣䭠䫒 z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc 4. A-TIG 4. A-TIG ¤ ¤ TIG A-TIG A-TIG ޘս㖞✺㇑ 5G, ✺ =2.5mm, a A-TIG /

=175mm/min, н䬸䫒

For HIT students use only use students HIT For For HIT students use only use students HIT For =10L/min)

/25 O /27 ˈ㇑䚃✺᧕ 1G =245A,

5mm 304 , =530mm/min, ( f Y Ⲵᔰਁ઼ᓄ⭘ Ⲵᔰਁ઼ᓄ⭘ ഭ޵Ḁ㡚ཙᓄ⭘ н䬸䫒઼⻣䭠䫒 н䬸䫒઼⻣䭠䫒 Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 4. A-TIG 4. A-TIG ¤ ¤

For HIT students use only use students HIT For For HIT students use only use students HIT For /30 /32 ✺ᴹޣⲴᆖᵟ㿲⛩ ✺ᴹޣⲴᆖᵟ㿲⛩ A-TIG A-TIG о о ⭥ᕗ᭦㕙ᵪ⨶ 㺘䶒ᕐ࣋⨶䇪 ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc 5. 5. ¤ ¤ н䬸䫒 160 160 304L ৊ 3 2 O 2 5mm 120 120 coated with TiO coated with coated with Cr coated with 80 80 workpiece length (mm) workpiece workpiece length (mm) workpiece 40 40 ㅹӪ䟷⭘⍫ᙗࡲ✺᧕Ҷ bare plate bare plate

0 For HIT students use only use students HIT For For HIT students use only use students HIT For

/29 /31

(dummy fuel)

᷊ ᷉ V voltage

᷊ ᷉ V voltage ✺ᴹޣⲴᆖᵟ㿲⛩ G. SRINIVASAN Ⲵᔰਁ઼ᓄ⭘ ᯉ㓴Ԧ⟳ٷ ঠᓖ A-TIG н䬸䫒઼⻣䭠䫒 о z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 4. A-TIG 5. ¤ ¤ ሶ⍫ᙗࡲ✺ࡽ௧ࡠ✺㕍к

✺䇮༷

For HIT students use only use students HIT For For HIT students use only use students HIT For /34 /36 TIG ᡻ᐕࡧ⎲⌅ ᵪỠ௧⎲⌅ ঻࣋≄䴮㖀௧⎲ ⍫ᙗࡲ㦟㣟✺эᡆ㦟Ⳟ✺ᶑ ᕗ䮯ቭਟ㜭⸝ 䙏ᓖធ 㜹ߢ᭸᷌ྭаӋ 䇮༷˖ᑨ㿴 ⎲ᮧᯩᔿ˖ ⌘᜿һ亩˖ ⍫ᙗࡲⲴ֯⭘ ⍫ᙗࡲⲴ֯⭘ z z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc 6. 6. ¤ ¤ 㦟㣟✺э

ᵪỠ௧⎲ ࡧᆀ⎲ᮧ For HIT students use only use students HIT For /33 /35 ✺ᴹޣⲴᆖᵟ㿲⛩ ⻱ሩ⍱Ⲵ਼ᰦˈ⟄⊐㺘䶒Ⲵㅹ⿫ᆀሩ⍱ਇࡠ߿ᕡˈӾ㘼ᖒᡀ䖳བྷⲴ⟄ ⢙তн䘲⭘Ǆ ᖒᡀ䖳ሿ㤳തⲴ䱣ᶱᯁ⛩ˈ⭥ᕗሬ⭥䙊䚃㍗㕙ˈ൘◰⍫Ҷ⟄⊐޵䜘⭥ ␡Ǆ䘉⿽䀓䟺ሩ䶎䠁኎ॆਸ⢙රⲴ⍫ᙗࡲ䖳ᴹ䈤ᴽ࣋ˈնሩ䠁኎ॆਸ ⧠᰾ᱮⲴ᭦㕙ˈ਼ᰦӗ⭏䖳བྷⲴ⟄␡Ǆ ᣁࡦˈ⭡Ҿ䠁኎㋂ᆀᴤᇩ᱃㻛⭥⿫ˈ൘䠁኎㫨⊭߿ቁⲴᛵߥлˈਚ㜭 A-TIG ൘⟄⊐ѝ␫࣐⺛ॆ⢙ǃ≟ॆ⢙ǃ≗ॆ⢙ਾˈ⟄⊐кⲴ⭥ᕗ䱣ᶱᯁ⛩ࠪ ሩҾ䘉⿽⧠䊑ˈ᮷⥞䇔Ѫ˖␫࣐⍫ᙗࡲਾˈ⟄⊐ӗ⭏Ⲵ䠁኎㫨⊭ਇࡠ о ⍫ᙗࡲⲴ֯⭘ 䱣ᶱᯁ⛩ z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 5. 6. ¤ ¤

For HIT students use only use students HIT For For HIT students use only use students HIT For /38 /40

://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc ¤ ¤

For HIT students use only use students HIT For For HIT students use only use students HIT For /37 /39 304LN stainless steel weld thick) mm 304LN stainless steel(10 weld 316 LN Stainless steel weld thick) (12 mm Stainlessweld steel316 LN Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. Case study ¤ ¤

For HIT students use only use students HIT For For HIT students use only use students HIT For /42 /44

://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc ¤ ¤

For HIT students use only use students HIT For For HIT students use only use students HIT For /41 /43 Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. ¤ ¤ 㻛ⴤ᧕䘱ޕ⟄⊐䠁 ✺ ᓖ䀂ˈ൘䫘ᶱ⭥ᕗⲴ ਾ䶒 60 TIG ̚

40 For HIT students use only use students HIT For For HIT students use only use students HIT For /1 /3 ✝э ✝Ǆ Ӕ⍱⭥Ⓚˈ✺э᧕䀖ࡠ✺㕍㺘䶒ᰦˈׯӗ⭏⭥⍱ˈᇎ⧠ሩ✺эⲴ࣐ ኎ѝǄ ✺э䙊䗷ሬ⭥౤䘱䘋ࡠ⟄⊐ѝˈ൘ሬ⭥౤઼ᐕԦѻ䰤ᯭ࣐ањᚂ঻ ✺эо䫘ᶱ੸ 1.2 TIG welding Hot-wire 1.2 ৏⨶ z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc 2. ¤ ¤ ҏቡᱟ , 䙊䗷࣐✝֯ѻ䗮ࡠаᇊ⑙ᓖ ,

MIG

For HIT students use only use students HIT For For HIT students use only use students HIT For /45 /2 ㅹˈн⭘Ҿ PAW ǃ ⎧ᓅ㇑ ⋩≄䗃䘱㇑ ঻࣋ᇩಘ ึ✺ ⭥ㄉ৺Ṩᐕъ TIG ˖⟄⊐ѻࡽ ⴞⲴ˖ᨀ儈⟄ᮧ᭸⦷ ⭘䙄ޕປݵ䠁኎э൘㻛䘱 ሩ✺э䘋㹼亴✝Ǆ ᾲ䘠 z z z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 1. ¤ ¤ ˁˈ 400A ¢4mm ෻ᕗ✺ 60 MAG ✺ ¢1.2mm

ˁ 100 ✝э✺ 390A ¢1.2mm TIG ✺᧕䙏ᓖਟᨀ儈 ߧэ✺

390A

䬌ਸ䠁ㅹ⭥䱫⦷վᶀᯉ ¢1.2mm

䫒ㅹ⭥䱫⦷儈Ⲵᶀᯉ 䬍ਸ䠁ㅹ⭥䱫⦷վⲴᶀᯉ TIG

For HIT students use only use students HIT For For HIT students use only use students HIT For /5 /7 ✺᧕ާᴹ䖳儈Ⲵ⟄ᮧ⦷ˈ൘ึ✺ᰦᴰབྷਟᨀ儈 ======TIG ¢4mm ᡻ᕗ✺ ✝э ⭥䱫࣐✝ 儈仁࣐✝ ⭥ᕗ࣐✝ ✝э✺ⲴՈ⛩ ✝эᯩᔿ z z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc 3. 4. ¤ ¤

✺᧕⴨ MIG 䘉ᴹ࡙Ҿ䲀ࡦ✺᧕ , ✺ⲴᡰᴹՈ⛩ ˈӾ⭥ᕗ੨ਆⲴ㜭䟿ቁ ć TIG TIG 3-3.5kg/h TIG 300-500 θ ✣ ѓ ⴮ ᖉ ؽˈ✺᧕᭸⦷བྷབྷᨀ儈ˈо MIG 3-5 1.5-2kg/h θ ф у ੂ ❀ ᧛ ᯯ⌋⟊ ᮭ ⦽ Ⲻ ∊䖹

❀ θ ⟊ ᮭ᭾ ⦽

For HIT students use only use students HIT For For HIT students use only use students HIT For /4 /6 TIG ✺ᰦ✺э൘㻛䘱ޕ⟄⊐ࡽ࣐✝ࡠ Ფ 䙐 TIG ԯǄ Ӿ㘼֯⟄ᮧ᭸⦷∄ߧэ✺ᨀ儈ˈ ਈᖒǄ ߿ቁҶ ✺㕍ᡀර㖾㿲ǃ൷रǃᰐ≄ᆄǃᵚ✺䘿ㅹ㕪䲧Ǆ✺᧕儈ᙗ㜭ᶀᯉᑨഐ✺э㺘䶒⋮ḃ≒≄㘼ӗ⭏≄ᆄˈ✝э✺ᰦ✺э⑙ᓖ儈ˈަ㺘䶒≤ԭ৺⋮⊑⢙㻛৫䲔 ˈ≒≄ᆄབྷབྷ߿ቁǄޕэ ✝э✺ᱟ⟄ॆ亴✝ਾⲴປݵ䠁኎ˈᙫⲴ㓯㜭䟿䗃✝ ⮉Ҷ⭥ᕗっᇊǃ✺㕍ᙗ㜭Ո㢟ǃᰐ伎⒵ㅹ ᨀ儈✺᧕᭸⦷˖ ߿ቁ✺᧕ਈᖒ˖ 䱽վ✺᧕㕪䲧˖ ⟄⊐䗷✝ᓖվˈਸ䠁ݳ㍐✗ᦏቁ؍ ✝э✺ⲴՈ⛩ ✝э✺ⲴՈ⛩ z z z z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 3. 3. ¤ ¤ Ǆ MIG ǃ◰ݹ✺᧕ㅹˈн䘲⭘Ҿ PAW ǃ ✺ѝˈሩ✺㕍ᖒ⣦઼⭥ᕗⲴ߶⺞ᇊսӗ⭏н࡙Ⲵ ਟԕⴻࠪˈ䈕ᯩ⌅ཊ⭘㓶эˈн䘲⭘Ҿ䬍ǃ䬌ㅹվ

TIG

SAW For HIT students use only use students HIT For For HIT students use only use students HIT For 6 /9 /9 /11 6 ǃ

Ǐ/ TIG

3 ⭥䱫⦷ਸ䠁ˈ⭥䱫࣐✝᭸⦷վˈ✺э䗮нࡠਸ䘲Ⲵ⑙ᓖǄ ੩൘✝э Ӿٿ⻱䘲⭘Ҿ 䟷⭘⭥䱫✝࣐✝✺эˈ✺э⑙ᓖⲴ㋮⺞᧗ࡦ䖳䳮ˈ✝э䙏ᓖ䖳ធǄ ᖡ૽Ǆབྷ✝э⭥⍱Պᕅ䎧ѕ䟽Ⲵ⭥ᕗᒢᢠǄ ⭥䱫࣐✝✝э✺ z z z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc 4.1 4.1 Limitations ¤ ¤ t t ap I wp ab I I TIG ✺㾱䲑ˈަⴞⲴ൘Ҿ

TIG

✺э⭥⍱ a ⭥ᕗ⭥⍱ w I

I 㜭

For HIT students use only use students HIT For For HIT students use only use students HIT For /8 /10 ✺н਼ˈ⭡Ҿ✺э⑙ᓖ儈ˈ䟷⭘ਾᯩ䘱эˈ✺эⲴ䘱䘋䀂ᓖ䖳བྷˈ✝э⭥⍱Ⲵ⭥⻱ TIG ੩ᑖᶕⲴডᇣˈ✝эٿ⻱→੩Ǆ਼ᰦѪҶ䘋а↕䱢ٿ䚯ݽ⭥ᕗ ⭘Ӕ⍱⭥Ⓚ࣐✝✺эԕ৺䘱э䀂ᓖ∄ߧэ ✺㓿ᑨ䟷⭘㜹ߢ✺ˈ࣐✝⭥Ⓚҏਟԕ䟷⭘㜹ߢᯩᔿǄ ⭥䱫࣐✝✝э✺ ⭥䱫࣐✝✝э✺ ӗ⭏Ⲵശઘ⻱൪ሩ⟄⊐ᴹᨵ᣼֌⭘ˈᢃҡ᷍Ღ⭏䮯ᯩੁˈ᭩ழ✺㕍ᙗަˈٮ࣋ˈ֯⭥ᕗੁࡽ z ਼ᑨ㿴 Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 4.1 4. 1 ¤ ¤

Patent ofHIT Patent ofHIT

For HIT students use only use students HIT For For HIT students use only use students HIT For /13 /15 儈仁ᝏᓄ࣐✝✝э✺ ⭥ᕗ࣐✝✝э✺

://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc 4. 2 4.3 ¤ ¤

For HIT students use only use students HIT For For HIT students use only use students HIT For /12 /14 ੩⧠䊑Ǆٿ⻱ѝⲴ⭥ᕗ✺ ✝э᭸⦷儈ˈ࣐✝䙏ᓖᘛˈਟԕ⎸䲔Ր㔏⭥䱫࣐✝✝э TIG 䘀⭘儈仁ᝏᓄ࣐✝✺эˈਟ䙊䗷ሩ儈仁䗃ࠪ⭥⍱Ⲵ᧗ࡦ ᶕ᧗ࡦ✺э⑙ᓖǄ ਟԕ䙊䗷᭩ਈ䗃ࠪᥟ㦑仁⦷ˈ᧗ࡦᝏᓄ࣐✝Ⲵ␡ᓖˈ儈仁࣐✝ਟԕᴤྭൠ⎸䲔✺э㺘䶒੨䱴Ⲵ≤࠶ሩ✺㕍Ⲵн ࡙ᖡ૽Ǆ 䘲⭘Ҿ਴⿽䠁኎ᶀ䍘Ⲵ✺эǄ 儈仁ᝏᓄ࣐✝✝э✺ 儈仁ᝏᓄ࣐✝✝э✺ⲴՈ⛩ z z z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 4.2 4.2 ¤ ¤

։з˅

For HIT students use only use students HIT For For HIT students use only use students HIT For /17 /19 ✺⭡Ҿާᴹ儈⟄ᮧ⦷Ⲵ⢩⛩ˈ൘✺᧕৊໱ᶀᯉᰦԕ৺ゴ䰤 Ⲵᓄ⭘ᇎֻ✺ TIG TIG ᇩಘ৺㺘䶒ึ✺ㅹ亶ฏѝ䘁ᒤᶕᴹ⵰ᒯ⌋Ⲵᓄ⭘Ǆ 䳉✺᧕ᰦᴹ⵰᰾ᱮⲴՈ࣯Ǆ൘⎧ᓅ㇑ǃ⋩≄䗃䘱㇑ǃṨᐕъǃ঻࣋ ✝э ॆ≗੩ˈ⋑ᴹ儈仁䘲⭘Ҿᡰᴹᶀ䍘Ⲵ✺эˈ⢩࡛ᱟᴹ㢢䠁኎ ✝э⭥⍱ᖸሿˈ㜭㙇վ ᴹᗞᕡᕗݹǃٿ⻱ㆰঅˈᡀᵜվ˄⭥䱫✝э䇮༷ ✝э᭸⦷ᖸ儈 ࡙⭘䱤ᶱ␵⨶֌⭘ˈ৫ᦹ䬍✺э≗ॆ㟌 ⋑ᴹ ⭥ᕗ࣐✝✝э✺ ✝э z Ո⛩˖ z z z z z z z н䏣˖ ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc 4.3 5. ¤ ¤ ć ć ć

920 540 400

ˈ ˈ ˈ

For HIT students use only use students HIT For For HIT students use only use students HIT For /16 /18 2000mm/min 5000mm/min 1300mm/min ˈ ˈ ˈ 35A 60A 15A ⭥ᕗ࣐✝✝э✺ ⭥ᕗ࣐✝✝э✺ᓄ⭘ ✝э⍻⑙㔃᷌˖ z z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 4.3 4.3 ¤ ¤ ᆳ亪ᓄҶ⧠ԓᐕъ⭏ ˈণоᐕ Ԧ䘁լᒣ㹼 , e 90 ✺ᡆ⭥䱫⛩✺ MAG ✺઼ㅹ⿫ᆀᕗ✺ᵪಘӪཊѪн ✺эо⭥ᶱࠐѾᡀ

䖤ᶕ᧗ࡦǄޝᷚᯩੁ䴰㾱ُࣙᵪಘӪⲴㅜ✺ , TIG

For HIT students use only use students HIT For For HIT students use only use students HIT For ✺ᵪಘӪ /21 /2 TIG ✺ᷚਚ㜭ᵍањᯩੁ✺᧕Ǆ ӗⲴ儈᭸⦷ǃᕪ⧟ຳ䘲ᓄᙗԕ৺儈ᐕ֌ᕪᓖⲴ㾱≲Ǆ Ǆަ㕪⛩ᱟ˖✺ᷚㄟ䜘փ〟བྷǃᇊսਟ䶐ᙗᐞǄ䘱э㻵㖞ߣᇊҶ ⴞࡽⲴᵪಘӪ✺᧕ཊ֯⭘ Ր㔏Ⲵ ᖃ✺᧕ᯩੁ᭩ਈᰦ ࣐✺э ਇк䘠䲀ࡦˈ z z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc Video of hot-wire TIG welding Video of ᔰਁ㛼Ჟ ¤ ¤ TIG ✺ᡆ TIG 䇱✺㕍ᙗ؍ਾᰒ㜭✺ TIG ᢰᵟ

1.3 TOPTIG For HIT students use only use students HIT For /20 /1 Ⲵᓄ⭘ᇎֻ✺ TIG ሩ㇑䚃✺᧕ᴹ㙀㲰ᙗᡆᵪỠᙗ㜭㾱≲ˈ䙊ᑨ䟷⭘ߧэ 䇱儈⭏ӗ⦷㾱≲Ǆ؍㜭ˈ৸ਟ ൘ॆᐕǃ⭥ㄉǃ঻࣋ᇩಘㅹ㹼ъˈ㓿ᑨ֯⭘ѝㅹᡆ৊໱㇑䚃Ǆ⭡Ҿ ✺ᢃᓅˈ᡻ᐕ✺ⴆ䶒✺᧕ᯩᔿǄ䟷⭘✝э ✝э z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 5. ¤ ¤ ປэ✺᧕ᵪಘӪ TIG

ᑨ㿴 /4 /4 only use students HIT For /6 ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc ৏⨶ ¤ ¤

ᯩׯ᫽֌ ,

For HIT students use only use students HIT For For HIT students use only use students HIT For /3 /5 Ⲵ㍗ࠁ✺ᷚ ᨀ儈ᵪಘӪ✺᧕䙏ᓖ ⹄ࡦࠪ䘲ਸ✺᧕ᵪಘӪ 㠚ࣘᴤᦒ⭥ᶱ Source: www.youtube.com нᣁࡦᵪಘӪ✺᧕ᙗ㜭Ⲵਁᥕ Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. ᔰਁ㛼Ჟ ¤ ¤

For HIT students use only use students HIT For For HIT students use only use students HIT For /8 /10 ᢰᵟ Two possible transfer modes depending on wire feeder speed modes feeder depending on wire possible transfer Two ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc TOPTIG ⟄┤䗷⑑ ¤ ¤ ✺эо⭥ᶱ䭕 , ✺⸝䐟䗷⑑઼仇㋂ һᇎк , Ӿ㘼֯ᗇл⅑䎧ᕗᴤ࣐ਟ 䀂 , MAG e 20 ປݵ䠁኎оᐕԦѻ䰤ᖒᡀⲴ⏢ᘱ , ✺ᷚ MAG

⣦ᤱቆ䭀Ⲵᖒ؍❦эᵛㄟӽ✺

✺эク䗷⭥ᕗѝᴰ✝Ⲵ४ฏӾ㘼㧧ᗇᖸ儈Ⲵ⟄ᮧ᭸ , ,

For HIT students use only use students HIT For For HIT students use only use students HIT For /7 /9 Ӿ㘼ᴹ᭸䱢→✺㕍ӗ⭏≄ᆄᡆᵚ⟄ਸ , ޜਨᔰਁˈу࡙ ۿᷚᴤ✺ SAF 䠁኎ẕ ⊏ᷚⲴᵍੁн޽䟽㾱˗ ⭥ᶱࡠᐕԦⲴ䐍⿫ҏн޽⢩࡛᭿ᝏˈഐѪ✺э⟄䘋Ҷ✺㕍˗ ✺эቆㄟ പᇊ൘௧౤кˈᰐ䴰䈳ᮤ✺э䀂ᓖ઼ս㖞Ǆ ປݵ䠁኎оᐕԦ൘⭥ᕗ䗩㕈䘎㔝᧕䀖 ⭥ᕗ➴⚝ԕਾ ᨵࣘ⟄✺ 䶐Ǆ ᢰᵟ ᢰᵟ⢩⛩ փᒣ㹼Ǆ䘉ṧ ⦷Ǆ ᣔ≄௧౤о⭥ᶱབྷ㓖ᡀ؍䭞䜘Ԧᱟо䘱э㌫㔏аփॆ䇮䇑Ⲵ✺ᷚ 䘱э౤ク䗷ޣ ഭ⌅ ਟ䗮ᙗ 䗷⑑Ⲵ䗷⑑⁑ᔿ TOPTIG 䘉⿽ᶴ䙐ᖒᔿሬ㠤Ҷа⿽䶎ᑨ⢩↺Ⲵǃ㊫լ ߿ሿҶ✺ᷚⲴᙫփቪረǃ࣐ᕪҶᵪಘӪ✺᧕ᰦሩҾ༽ᵲ✺᧕㔃ᶴⲴ z z z z z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. TOPTIG TOPTIG ¤ ¤

For HIT students use only use students HIT For For HIT students use only use students HIT For /12 /14 ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc Uninterrupted metal bridge transfer transfer Droplet metal ¤ ¤ ed filler metal and the ed filler metal tive ofwelding complete and the arc fusion energy arc radiation effect from n have been in Figure 4

to slope down and arc

For HIT students use only use students HIT For For HIT students use only use students HIT For /11 /13 It improves weld pool degassing and produces fine a and regular bead microstructure by forcing weld pool oscillations with repetitive droplet contactthe on liquid surface. It extends the system amperage operation range to lower and WFS values It produces larger weld beads. Starting with thewith Starting formation of a droplet at the end of the droplet wireit tip; this until is detached bygrows gravity to a short mode is similar This effect. tension surface and in MIGarc transfer welding Advantages: vanishing. When the wire feed speed When the wire reach equilibrium, a continuous contact is melt established between the workpiece. The video snapshots show vision system that laser strobe obtained using a completely eliminates the representa images. They are cycle from arc strike z z z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. Uninterrupted metal bridge transfer transfer Droplet metal ¤ ¤ Ⲵ✺ MIG ᐕ㢪㜭ཏ䗮ࡠ⭊㠣䎵䗷 Ⲵสᵜ⢩ᖱˈഐ↔✺᧕䗷〻ѝ⋑ᴹ TIG TOPTIG аṧ䘲⭘Ҿᡰᴹ✺᧕ս㖞Ǆ

∛㊣ԕл৊ᓖ㮴ᶯԦⲴ㻵䝽ˈᰐ䇪⻣䫒ᡆᱟн䬸䫒

3 ُˈ᧕ᵪಘӪ⴨∄ˈ䈕ᯠᐕ㢪Ⲵਖањᱮ㪇⢩⛩ᱟ✺ For HIT students use only use students HIT For For HIT students use only use students HIT For /16 /18 MIG TIG ᢰᵟՈ⛩ ഐ㘼ਟԕ䊑 ਟ㿶Ԧˈ㻵侠Ԧˈॆᐕ઼伏૱ᵪỠㅹǄ Ǆ ࣙ䘉⿽⢩↺Ⲵ䘱эᯩᔿˈ✺᧕䗷〻ѝн޽⭘㘳㲁䘱эⲴᵍੁ䰞仈ˈ ԫօ伎⒵৺ಚ丣Ǆ 䘉⿽⢩↺Ⲵ䘱эᯩᔿ֯ᗇ ઼Ր㔏Ⲵ 䈕ᐕ㢪䘲ਸҾ ᴰѫ㾱Ⲵᓄ⭘ᱟᖃሩ✺㕍䍘䟿ᴹᖸ儈Ⲵ㾱≲ᰦˈ∄ྲ⊭䖖ъѝⲴॺ 㜹ࣘ䘱э ⮉Ҷ؍❦᧕䙏ᓖǄ䈕ᐕ㢪ӽ z z z z z

://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc TOPTIG ✺᧕⻣䫒᧘㦀Ⲵᐕ㢪৲ᮠ ¤ ¤

For HIT students use only use students HIT For For HIT students use only use students HIT For /15 /17 ar or even greater than those obtained withthe MIG obtained than those ar or even greater TIG process does not generate spatter:generate does not process TIG so no finishing On plate up to 3 mm thick, the TOPTIG process gives process gives travel up On plate to 3 mm the TOPTIG thick, exceptional, are beads weld of the and appearance The quality Travel speeds and appearance of weldof and appearance speeds Travel • • speeds ne as the process. work is needed after welding. Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. ¤ ¤

For HIT students use only use students HIT For For HIT students use only use students HIT For /20 /22

://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc ¤ ¤

For HIT students use only use students HIT For For HIT students use only use students HIT For /19 /21 Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. ✺᧕н䬸䫒᧘㦀Ⲵᐕ㢪৲ᮠ 䇮༷ ¤ ¤ ✺ TIG ৼ䫘ᶱ

1.4

For HIT students use only use students HIT For For HIT students use only use students HIT For /24 /1 1.4 Twin electrode TIG welding 1.4 Twin electrode TIG

://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc ¤ ¤ For HIT students use only use students HIT For /23 /25 Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. ¤ ¤ ਂ䫞ᶷ≟ᕝ❀ᷠᇔ⢟

˅ᱟᤷє⭥ᕗ⴨ӂ֌⭘㔃ਸѪаփᒦ㔏а

For HIT students use only use students HIT For For HIT students use only use students HIT For /3 /5 coupling arc ✺᧕ѝⲴєњ䫘ᶱ⭥ᕗ⴨ӂ֌⭘ˈᖒᡀ㙖ਸ⭥ᕗˈ⭥ᕗ TIG ֌⭘ҾᐕԦ ൘є䫘ᶱ䰤ࠪ⧠ᕗփᴰ儈ጠǄ ৼ䫘ᶱ 㙖ਸ⭥ᕗ˄ z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc ✺ᷚᇎ⢙➗⡷ ⭥ᕗ⢙⨶⢩ᙗ ¤ ¤ ˈ ˈ∄Ր㔏≙ᕗ✺ᨀ儈 ᐖਣˈ∄෻ᕗ✺එਓ⁚ᡚ䶒〟 e 34.8g/min 40 ✺⽪᜿മ Twin-Electrode TIG Welding ઼ . TIG ✺˄ ᒤ俆ݸᨀࠪǄ ৼ䫘ᶱ TIG 50g/min රඑਓӵ䴰 ✺᧕Ⲵส⹰кˈ䟷⭘Ҷєṩ⭥ᶱ઼⤜・Ⲵ⭥Ⓚ X

1998

TIG

For HIT students use only use students HIT For For HIT students use only use students HIT For /2 /4 ˁˈӾ㘼߿ቁҶᡰ䴰Ⲵ⟄ᮧ䠁኎䟿˗ 15 ˅ ✺⢩⛩ ˁ˗ TIG ⟄ᮧ䙏ᓖਟ࠶࡛䗮ࡠ ✺ާᴹᴤ࣐っᇊⲴ✺᧕䗷〻˗ ⭘㛼䶒␵ṩ৺✺ਾᢃ⼘ㅹᐕᒿ ᨀ儈Ҷ⟄ᮧ䙏ᓖ˖✺ᷚ䟷⭘ৼ䫘ᶱ⤜・⭥Ⓚ׋⭥ˈᒣ✺઼・✺ᰦⲴ 20 එਓⲴ䘲ᓄᙗᕪ˖ ✺᧕䗷〻っᇊ˗⴨ሩҾՐ㔏Ⲵ෻ᕗ✺ᡆ⟄ॆᶱ⭥ᕗ✺ˈৼ䫘ᶱ≙ᕗ ✺㕍㺘䶒ᡀරྭ˖⭡Ҿ䟷⭘Ⲵᱟ䶎⟄ॆᶱˈ✺㕍㺘䶒ᡀᖒ㢟ྭˈн ߿ሿҶ ⴨ӂ㔍㕈ˈ਴㠚䘎᧕⤜・Ⲵ⭥⍱䙊䐟ˈ⭥⍱ਟԕঅ⤜᧗ࡦǄ ㌫㔏ˈഐ↔〠Ѫৼ䫘ᶱ ⭡ᰕᵜ、⹄Ӫઈ൘ єṩ䫘ᶱޡ਼ᆹ㻵൘✺ᷚⲴ௧౤ѝˈ䫘ᶱㄟ䜘࣐ᐕᡀቆ䀂ˈ䫘ᶱ䰤 ⭡Ҿᱟ൘Ր㔏Ⲵ TETW z z z 1. 2. 3. 4. Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. ᾲ䘠 ৼ䫘ᶱ ¤ ¤ ⭥ᕗ঻࣋࠶ᐳ TIG 2mm 4mm 6mm ৼ䫘ᶱ 㙖ਸ⭥ᕗ অᕗ ✺᧕⭥⍱ $ 20 40 60 80 100 120 140 160 180 200 220

9.5 9.0 8.5 8.0 7.5 7.0

12.0 11.5 11.0 10.5 10.0 ⭥ᕗ⭥঻˄9˅

For HIT students use only use students HIT For For HIT students use only use students HIT For /7 /9 ⭥ᕗ঻࣋࠶ᐳ TIG Ⲵਈॆˈ࠶ᐳᖒᔿ㝡⿫Ҷѝᗳሩ〠Ⲵ࠶ᐳᖒᔿǄ 㙖ਸ⭥ᕗⲴ⭥ᕗ঻࣋࠶ᐳ᰾ᱮн਼ҾՐ㔏≙ᕗ✺⭥ᕗˈ䲿⵰䫘ᶱ䰤䐍㾱ᴤབྷⲴ⭥঻ᶕᆼᡀᑖ⭥㋂ᆀⲴՐ䗃ˈᖒᡀҶ⭥ᕗ⭥঻Ⲵ䱽վǄ ≄≋޵⟳✗ˈ⭥ᕗオ䰤Ⲵ⭥⿫ᓖ儈Ҿ⴨਼⭥⍱лⲴঅᕗˈ⭥ᕗн䴰㙖ਸ⭥ᕗ൘⴨਼⭥⍱лⲴ⭥঻൷վҾঅᕗǄ ӗ⭏䘉⿽⧠䊑Ⲵ৏ഐᱟ㙖ਸ⭥ᕗѝєњ⭥ᕗ൷൘ਖањ⭥ᕗⲴ⭥⿫ z z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc ⭥ᕗ䶉⢩ᙗ ¤ ¤ ⭥ᕗ঻࣋ ˇ 200A ˈ׍⅑໎བྷ c

For HIT students use only use students HIT For For HIT students use only use students HIT For /6 /8 ǃ a ˗חҾሿ⭥⍱аੁٿ䖜ˈфٿ㓴ਸлˈ㙖ਸ⭥ᕗࠪ⧠Ҷ᰾ᱮⲴ ࡉ㙖ਸ⭥ᕗ঻࣋Ҽ㔤࠶ᐳ੸⧠ ࠪĀὝശā Āശᖒā ĀὝശ āⲴਈॆ⣦ᘱǄ 䫘ᶱ䰤䐍 ྲ᷌䰤䐍㔗㔝໎བྷˈє⭥ᕗ䰤 Ⲵ⴨ӂ֌⭘࣋ሶнᯝⲴ߿ሿԕ 㠣єᕗ䙀⑀࠶⿫ˈࡉὝശᖒⲴ ঻࣋࠶ᐳҏሶ䲿ѻ䙀⑀࠶⿫ˈ ᖒᡀĀଁ䫳ᖒāˈᒦᴰ㓸ᖒᡀ єњ⤜・Ⲵ঻࣋࠶ᐳǄ 䖜⧠䊑ᱟє䫘ᶱ᢯䖭Ⲵ⭥⍱на㠤䙐ᡀⲴٿѻ৽ੁǄᖸᱮ❦ˈ䘉⿽ 䖜䲿 Ǆٿ㙖ਸ⭥ᕗˈق䖜⧠䊑⎸ཡǄሶ✺᧕⭥⍱བྷሿ仐ٿᰦˈ⭥ᕗ਼ ⭥⍱⴨ח䖜Ⲵᛵߥ䙀⑀߿ᕡˈⴤࡠєٿ䲿⵰⭥⍱Ⲵ䙀⑀໎བྷˈ䘉⿽ н਼Ⲵ⭥⍱㓴ਸሩ㙖ਸ⭥ᕗփᖒᘱӗ⭏ҶᖸབྷⲴᖡ૽Ǆ൘ 40A z z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. ᕗᖒᘱ➗⡷ ¤ ¤ ⭥ᕗ঻࣋ 280A 300A ⲺՎ䏀ᙝ 㓴 অ䫘ᶱ 㓴 অ䫘ᶱ 4 5 TIG 200A ˇ 250A њ⭫⍷ਥ࠼ࡡ䈹 ᧝䘸ӄޞփ㖤❀ ਥԛᢵ䖳ᴪཝⲺ ❀᧛⭫⍷θу᱉ ཯䫞θਥԛᨆ儎 ❀᧛⟊ᮭ⦽Ⱦ ⭫ᕝু࣑ቅθ⟊ ⊖਍ࡦⲺ࣑Ⲻ֒ ⭞ቅθ᱉ӄ㔪ᤷ どᇐθу᱉ᖘᡆ ᡆᖘ㕰䲭Ⱦ 㓴 ৼ䫘ᶱ 㓴 অ䫘ᶱ ਂ䫞ᶷ 2 3 200A 儎⟊ᮭ⦽❀᧛ ⢯⛯

ਂ䫞ᶷ㙜ਾ⭫ᕝ ਂ䫞ᶷⲺᆎ൞ਥ ԛᢵ䖳ᴪཝⲺ❀ ᧛⭫⍷θ䫞ᶷу ᱉✝ᦕȾ 㙜ਾ⭫ᕝু࣑䘒 ቅӄՖ㔕Ⲻঋᕝ њ䫞ᶷ䰪㔓㕎

儎䙕❀᧛ /11 only use students HIT For /13 ❀᧛Ⲻቶ䲆ᙝ ✺ѪӰѸ儈᭸ 儈䙏✺᧕ TIG TIG Ֆ㔕 TIG 䫞ᶷᢵ䖳⭫⍷ぁᓜᴿ䲆 ൞ཝ⭫⍷с䫞ᶷ✝ᦕћ 䠃θ❀㕓ᇯ᱉࠰⧦཯䫞 ㅿ㕰䲭Ⱦ ᴿ䲆Ⲻ❀᧛⭫⍷ֵມѓ Ⲻ⟊ᮭ䙕ᓜ਍ࡦ䲆࡬θ ⟊ᮭ⦽քȾ ཝ⭫⍷сӝ⭕Ⲻ䗽ཝⲺ ⭫ᕝু࣑ᇯ᱉䙖ᡆ⟊⊖ Ⲻཧどθ᱉ᖘᡆૢ䗯傲 ጦㅿᡆᖘ㕰䲭Ⱦ 䫘ᶱ ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc ৼ䫘ᶱ ¤ ¤ ৼ 150A ˇ 㓴 ৼ䫘ᶱ ٿ ٿ 1 150A 䫘ᶱᖒ⣦ ・✺ս㖞 3 3

(mm) 䫘ᶱⴤᖴ ᡚ䶒ᆿ㿲 600 ✺᧕䙏ᓖ (mm/min) 2600 ⁚✺ս㖞 (mm) 䫘ᶱ䰤䐍 (A) 250

150+150

❀᧛৸ᮦ

For HIT students use only use students HIT For For HIT students use only use students HIT For /10 /12 TIG ✺㕍㺘䶒ᡀᖒ অ䫘ᶱ ৼ䫘ᶱ ✺᧕ᯩ⌅ ✺᧕⭥⍱ ✺ᐕ㢪儈䙏✺᧕ 53003 3 42803 1 2 200+200 3 TIG TIG ࡛ ᒣ✺ս㖞 ৲ᮠ㓴 ঋਂ䫞ᶷ Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. ৼ䫘ᶱ ৼ䫘ᶱ ¤ ¤ ਈᶱᙗㅹ⿫ (DCEP Current) Time (ms) DCEP CurrentDCEP DCEN CurrentDCEN 2 W/m 4ms ᑵ٬ǃ৽ᶱᙗ⭥⍱ 10 10 19ms h (Keyhole welding) —5 8 0 10 I (A)

Reverse Polarity 5 (DCEN Current) Straight Polarity For HIT students use only use students HIT For For HIT students use only use students HIT For /15 /2 Initial Current Initial ৏⨶ 㢲ˈণᴹ࡙Ҿ✺㕍⟄䘿ˈ৸ᴹ࡙Ҿ␵⨶䬍ਸ䠁≗ॆ㟌 VPPAW (Variable Polarity Plasma Arc Welding) ᆀᕗ✺ ᱟㅹ⿫ᆀᕗ✺Ⲵа⿽ ࣏⦷ᇶᓖ˖ ᐕ֌൘ሿᆄ✺᧕⁑ᔿ ↓ᶱᙗ⭥⍱ ᑵ٬ǃањઘ⌒޵↓৽ᶱᙗ⭥⍱ᤱ㔝ᰦ䰤Ⲵ∄ֻਟԕ࠶࡛⤜・䈳 z z z z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc ᓄ⭘ 1. VPPAW ¤ ¤ ˅ ⟄ᮧ⦷ ˄ g/min ˅ 㹼䎠䙏ᓖ ˄ cm/min 34 ˄ V ˅ ✺᧕⭥঻ ˄ A ˅ 2

SM490 700 11-13 10 90 SM490 300-600 10-11 6 18-27 SQV2A 300-600 9-12 10-16 17-23 SF340A 360-500 10-11 10 16-34

For HIT students use only use students HIT For For HIT students use only use students HIT For /14 /1 ਎ᶷᙝㅿ⿱ᆆᕝ❀ 1 ✺᧕ᐕߥ ᶀᯉ ᙫ✺᧕⭥⍱ ゴ䰤䳉ᒣ✺ ゴ䰤䳉⁚✺ 儈⟄ᮧ⦷✺᧕ᓄ⭘ ⻣䫒৊ᶯᒣ✺ ゴ䰤䳉・ੁк✺ TIG 1 2 3 4 ᒿ ਧ 1.5 Variable polarity plasma arc welding (VPPAW) welding polarity plasma arc 1.5 Variable 1.5 Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. ৼ䫘ᶱ ¤ ¤ ǃ 2219 ǃ (2014 ✺㕍ᡀᖒ

For HIT students use only use students HIT For For HIT students use only use students HIT For /4 /6 ˗ Ǆ ᴰ䘲ਸҾ䬍ਸ䠁✺᧕ˈⴞࡽᐢ㓿ᇎ⧠অ䚃✺᧕䬍ਸ䠁৊ᓖ䗮 ৏⨶ ㅹ⿫ᆀᕗᕗ✺䍘䟿൘аᇊ〻ᓖкˈ㾱儈ҾަԆᕗ✺ᯩ⌅Ⲵ✺᧕䍘䟿ˈ✺ 㕍ᵪỠᙗ㜭ྭˈ㘼ф✺㕍ਈᖒ䖳ሿǄ ሩҾ৊ᶯ✺᧕ˈ߿ቁ✺䚃ቲᮠ˗ ✺㕍޵䜘ᰐ≄ᆄǃཀྵ⑓ㅹ㕪䲧ቁˈ߿ቁҶ✺ਾỰ傼ᐕ֌઼؞㺕ᐕ֌䟿˗ ሩ⋩⊑Ⲵ᭿ᝏᙗሿˈ✺ࡽ߶༷ᐕ֌䟿ቁ āǄ ᴹ࡙Ҿ⟄⊐ѝ≒Ⲵ䙨ࠪˈ߿ቁ≄ᆄ㕪䲧ˈഐ↔㻛〠ѪĀ 䴦㕪䲧✺᧕ Ⲵ⢩ᙗˈᇎ⧠䬍ਸ䠁ѝ৊ᶯঅ䶒а⅑✺ৼ䶒㠚⭡ᡀᖒǄ VPPA 25.4mm ᇎ䱵⭏ӗѝ䙊ᑨ䟷⭘・ੁк✺ᐕ㢪ˈᰒᴹ࡙Ҿ✺㕍Ⲵ↓䶒ᡀᖒˈ৸ ᴹ᭸࡙⭘ㅹ⿫ᆀᶏ⍱ᡰާᴹⲴ儈㜭䟿ᇶᓖǃ儈ሴ⍱䙏ᓖǃᕪ⭥ᕗ࣋ ✺㕍ᵪỠᙗ㜭儈 ᭸⦷儈ǃᡀᵜվ ᒯ⌋ᓄ⭘Ҿ㡚ཙ䘀䖭⚛㇝䍞㇡⧟㓥㕍Ⲵ✺᧕ѝ 2195) ⢩⛩˖ࠪ㢢Ⲵᙗ㜭 z z z z z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc 1. VPPAW 2. ¤ ¤

✺⴨∄ᐕ TIG

For HIT students use only use students HIT For For HIT students use only use students HIT For /3 /5 ✺㜭ཏᴤ࣐ᴹ᭸Ⲵ৫䲔≗ॆ㟌ˈԕ৺㺘䶒Ⲵ⋩⊑઼⊑ḃ TIG ৏⨶ ԦⲴᥐᴢਈᖒ᰾ᱮ߿ሿǄ ൘ሿᆄරㅹ⿫ᆀᕗ✺᧕䗷〻ѝˈㅹ⿫ᆀᕗԕ৺⿫ᆀ≄⍱ク䗷ሿᆄ䎧⵰а ᇊⲴߢࡧ֌⭘ˈ൘ަᆳ✺᧕ᯩ⌅ѝ↻⮉൘⟄ॆ䠁኎ѝ⭏ᡀ≄ᆄⲴ≄փՊ 㻛ㅹ⿫ᆀᕗԕ৺⿫ᆀ≄⍱䙊䗷ሿᆄᑖ䎠ˈཀྵ⑓ҏ਼ṧ㻛ߢࡧᦹǄ བྷ৊ᓖ䬍ਸ䠁а⅑✺᧕ˈঅ䶒✺ৼ䶒ᡀᖒˈӾ㘼ਟԕ߿ቁ✺䚃Ⲵᮠ䟿ˈ 䚯ݽ䬍ਸ䠁᧕ཤᙗ㜭䱽վ˗ ⭡Ҿㅹ⿫ᆀᕗ⟄䘿㜭࣋ᕪˈ࣐✝䳶ѝˈ⟄ॆ४ฏሿˈ㘼фሿᆄර✺᧕ሩ ᐕԦ↓ǃ৽䶒࣐✝൷रˈ߿ቁҶ✺ਾᐕԦⲴᥐᴢਈᖒˈо ˈᴤྭⲴ䱢→≒ⓦ䀓ˈ⎸䲔≄ᆄǃཀྵ⑓ㅹ✺᧕㕪䲧 ᑨ㿴 ↓䍏ॺ⌒ᑵ٬ਟ⤜・䈳㢲 ↓䍏ॺ⌒ᰦ䰤ਟ⤜・䈳㢲䫘ᶱ✗ᦏᴰሿ ✺㕍޵䜘㕪䲧ቁˈྲ≄ᆄǃཀྵ⑓ㅹ ਟ✺৊ᓖ㤳തᇭ ✺ਾᐕԦਈᖒሿ∄ ⢩⛩˖ࠪ㢢Ⲵᙗ㜭 z z z z z z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 1. VPPAW 2. ¤ ¤ ⚛㇝ Delta IV ˁ 100 8-

✺㕍ˈ㓿 T students use only use students T 6400m

ᆷ㡚ተ傜ⅷቄᆷ㡚ѝᗳߣ NASA only use students HIT For /8 /8 /10 ઼⌒丣ޜਨᐢ㓿ሶ↔ᢰᵟᓄ⭘൘㡚 ˅⧟㕍✺᧕⭏ӗѝˈ൘പᘱ⚛㇝ਁࣘᵪ NASA ᒤˈ㖾ഭ 䬍ਸ䠁ˈޡ✺᧕Ҷ ✺᧕㌫㔏 ཊቲ✺᰾ᱮᨀ儈Ǆ ሴ㓯Ự⍻ˈᵚਁ⧠ԫօ޵䜘㕪䲧ˈ✺᧕䍘䟿∄ ✺᧕⭥Ⓚ ✺᧕᧗ࡦಘ ✺᧕ᵪཤ ⧟㕍✺᧕㌫㔏㓥㕍✺᧕㌫㔏 ᐕ㻵 16.5mm ཙ伎ᵪཆ⟳ᯉ㇡઼⚛㇝༣փⲴਈᡚ䶒˄ 2219 X TIG 㖾ഭⲴ Ⲵᧂ≄㇑ݳԦ✺᧕⭏ӗѝҏᗇࡠҶᓄ⭘Ǆ ᇊਈᶱᙗㅹ⿫ᆀᕗ✺ᐕ㢪䜘࠶ਆԓ䫘ᶱ≙ᕗ✺ᐕ 㢪✺᧕㡚ཙ伎ᵪཆ䍞㇡Ǆ㡚ཙ伎ᵪཆ䍞㇡ᶀᯉѪ 1978 ᓄ⭘ z z z z z z z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc 4. 5. VPPA ¤ ¤ 䱸ṁੋᮉᦸˈेᐕབྷ ✺᧕৲ᮠ ˈ㖾ഭ

AMET

For HIT students use only use students HIT For For HIT students use only use students HIT For /7 /9 ˈ࣐᤯བྷ ✺᧕䇮༷ Liburdi ✺᧕䬍ਸ䠁ިරⲴ✺᧕৲ᮠ Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 3. 5. VPPA ¤ ¤

ᖒᡀⲴっᇊᙗ

AVC

For HIT students use only use students HIT For For HIT students use only use students HIT For /12 /14 㔃ਸࠪ⧠Ⲵ䰞仈 Keyhole Welding current(DCEN, DCEP, Tp), arc length, plasma current(DCEN, Welding gas, protective gas, welding speed 䰤䳉ਈॆ˖㠚䘲ᓄ᧗ࡦ ᕗ䮯ਈॆ˖ ᮓ✝ᶑԦਈॆ˖⟄䘿᧗ࡦ FSW ሿᆄ ✺᧕ᐕ㢪৲ᮠཊˈ⴨ӂᖡ૽ 䰤䳉઼䭉䗩Ⲵᖡ૽ 䍘䟿᧗ࡦ о ✺᧕ᢰᵟ z z z z z

://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc 5. AMET 6. ¤ ¤

For HIT students use only use students HIT For For HIT students use only use students HIT For /11 /13 ेᐕབྷ Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 5. Liburdi 5. ¤ ¤ ↓ 䶒㛼䶒 ᰐ᭦ᕗሩ㕍✺᧕䈅Ԧ

✺䚃㛼䶒

䈅ᶯ✺᧕ ✺䚃↓䶒

ᒣᶯึ✺䈅Ԧ For HIT students use only use students HIT For For HIT students use only use students HIT For /16 /18 ✺᧕ᐕ㢪Ⲵ⹄ウ ✺᧕ᐕ㢪Ⲵ⹄ウ䇮༷ᒣਠ 3 ৊ ᓖ 䈅 ᶯ ✺ ᧕ 㔃 ᷌ z Mm 2219 ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc (1) VPPA (1) VPPA ¤ ¤ ǃ 6mm ǃ 3mm

䬍ਸ䠁ᒣᶯ˄

ᡰ㚄ਸᔰኅҶਈᶱᙗㅹ⿫ᆀ✺᧕ᢰ LD10 ᐕ㢪⹄ウ 703 ǃ LF6

937,* ল ǃ

149……

Ӕ৹✺㕍ᐕ㢪Ոॆ৺㕪䲧ᣁࡦ For HIT students use only use students HIT For For HIT students use only use students ˈ HIT For ল ল /15 /17

ᢰᵟⲴ⹄ウᛵߥ 933$

)6: 529 529 ˅✺᧕ᐕ㢪䈅傼Ǆ ৼປэ✺᧕ᐕ㢪ᢰᵟ⹄ウ о ˈ ˈ ✺᧕ᐕ㢪Ⲵ⹄ウ

VPPA 䬍ਸ䠁 2004-2006. 149 2004-2006. 2006 2008 2008-2009 ᵟ⹄ウǄ Āޛӄāᵏ䰤ˈ䘋㹼Ҷ 10mm Āҍӄāᵏ䰤ˈо㡚ཙа䲒䍞㇡ѫփᶀᯉਈᶱᙗㅹ⿫ᆀ✺᧕ᢰᵟ⹄ウ /) 933$ 933$ ✺᧕⭥⍱ሩ✺㕍ᡀᖒⲴᖡ૽ ✺᧕䙏ᓖሩ✺㕍ᡀᖒⲴᖡ૽ ௧౤ࡠᐕԦ䐍⿫ሩ✺㕍ᡀᖒⲴᖡ૽ ⿫ᆀ≄⍱䟿ሩ✺㕍ᡀᖒⲴᖡ૽ 䘱эሩ✺㕍ᡀᖒⲴᖡ૽ 䎧ᕗ䗷〻Ⲵ⹄ウ ✺᧕ᐕ㢪৲ᮠሩሿᆄっᇊᙗⲴᖡ૽ ᭦ᕗඁⲴ⹄ウ ૸ᐕབྷ z z z z z z z z z z z z z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 6. (1) VPPA ¤ ¤

⁑ᤏ⧟㕍᭦ᕗ ✺䚃㛼䶒 ˅ ✺䚃㛼䶒 2219 LD10 ᭦ᕗᛵߥ - 䈅ᶯ✺᧕ ᒣᶯึ✺䈅Ԧ˄ᴹ᭦ᕗˈᶯᶀ

ᒣᶯึ✺䈅Ԧ˄ᰐ᭦ᕗˈᶯᶀ

✺䚃↓䶒 ✺䚃↓䶒 For HIT students use only use students HIT For ᶯሩ㕍✺᧕᭦ᕗඁᛵߥ /20 /22 6mm ✺᧕ᐕ㢪Ⲵ⹄ウ ✺᧕ᐕ㢪Ⲵ⹄ウ 6 6 ৊ ᓖ 䈅 ᶯ ✺ ᧕ 㔃 ᷌ ৊ ᓖ 䈅 ᶯ ✺ ᧕ 㔃 ᷌ mm mm ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc (1) VPPA (1) VPPA ¤ ¤

ᒣᶯሩ✺ ˅ ˅

- 2219 LD10 ✺㕍↓䶒 ✺㕍㛼䶒䈅ᶯ✺᧕ ᭦ᕗඁᛵߥ ᒣᶯሩ✺ - ↓ 䶒㛼䶒

䈅ᶯ✺᧕

ᒣᶯሩ✺䈅Ԧ˄ᴹ᭦ᕗˈᶯᶀ ᒣᶯሩ✺䈅Ԧ˄ᴹ᭦ᕗˈᶯᶀ

For HIT students use only use students HIT For For HIT students use only use students HIT For /19 /21 ᴹ᭦ᕗሩ㕍✺᧕䈅Ԧ ✺᧕ᐕ㢪Ⲵ⹄ウ ✺᧕ᐕ㢪Ⲵ⹄ウ 3 6 ৊ ᓖ 䈅 ᶯ ✺ ᧕ 㔃 ᷌ ৊ ᓖ 䈅 ᶯ ✺ ᧕ 㔃 ᷌ mm mm Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. (1) VPPA (1) VPPA ¤ ¤ ઼ ઼ /% 5 4% ¥ 65.4% /MPa b 284.0 5.3 289.0 5.0 ³ ˈ᧕ཤᔦը⦷Ѫ Ǆ

˅ǃ⿫ᆀ≄⍱䟿ǃ tp 3mm 5.3% ǃ 430MPa) ✺᧕Ǆ㾱㧧ᗇっᇊⲴ✺㕍 tn ǃ GTA 㕌ਭ ৐ᓜ ᒩൽ Ip 3-1-2-1 3-1-2-2 274.0 5.0 3-1-2-3 277.5 5.5 3-1-2-4 295.5 5.5 3-1-2-5 284.0 5.5 ǃ ⇽ᶀᓄ࣋Ѫ In ᧕ཤᕪᓖ⍻䈅 ᑨ⑙⣦ᘱл✺᧕᧕ཤⲴᕪᓖ㌫ᮠ࠶࡛Ѫ 66.1%( /% 5 ¥

/MPa /MPa 䈅ᶯ✺᧕ b

281.2 4.0 281.0 4.0

³ For HIT students use only use students HIT For For HIT students use only use students HIT For /24 /26 ሿˈᵚࠪ⧠✺᧕㻲㓩Ǆੁٮ᧕㧧ᗇっᇊᡀᖒ䴰㾱йњสᵜᶑԦ˖䎧࿻クᆄ⟄⊐Ⲵਟ ・✺✺㕍ᡀᖒっᇊᙗ䘌нྲ ✺᧕ߧ✝㻲㓩✺

6mm VPPA VPPA VPPA ✺᧕ᐕ㢪Ⲵ⹄ウ ✺᧕ᐕ㢪Ⲵ⹄ウ ᤱᮠ٬Ⲵっᇊ Ǆ؍᧕䙏ᓖǃ䘱э䟿Ǆᗵ享ᴹѕṬⲴ३䝽ˈᒦ൘✺᧕ѝ✺ ᤱ઼クᆄ⟄⊐⏢ᘱ䠁኎Ⲵᒣ㺑⍱ࣘǄ؍䶐ᔪ・ǃクᆄ⟄⊐Ⲵࣘᘱ ˈᗵ享ᴹྭⲴ✺᧕㿴㤳ǃっᇊⲴ✺᧕ᐕ㢪઼ѕṬⲴ㻵༷Ǆ 䲿ਾⲴѫ✺᧕䗷〻Ǆሿᆄᖒᡀਾ䴰㾱ᦼᨑྭ㹼䎠ǃປэⲴᰦ࡫Ǆ ሩ✺᧕৲ᮠⲴ㺠߿㜭ཏᇎ⧠᭦ᕗᕗඁⲴປ┑ˈն൘⧟㕍ᴰਾᩝ᧕ᰦ㾱㧧ᗇ価┑Ⲵ᭦ᕗ✺㕍䴰㾱ᴹᕗ䮯儈ᓖⲴ䝽ਸ䈳㢲Ǆ 䬍ਸ䠁 ޕ䬍ਸ䠁 ᴰѫ㾱Ⲵ৲ᮠᴹ˖✺᧕⭥⍱˄वᤜ ✺Ԧሩ㕍䰤䳉ǃ䭉䗩ǃᮓ✝ᶑԦⲴਈॆᖡ૽ᖸབྷǄ 䬍ਸ䠁䎧ᕗ䶎ᑨ䟽㾱Ǆѫ㾱᧚ᯭᱟ䴰㾱ᴹਸ䘲Ⲵ৲ᮠ㕃ॷ䗷〻ˈԕ⭥⍱઼⿫ ᆀ≄⍱䟿㚄ਸ䙂໎Ⲵ᭸᷌ᴰ֣ˈᖒᡀањਸ䘲Ⲵሿᆄˈᒦ亪࡙ൠ䖜㕌ਭ ৐ᓜ ᒩൽ ᵚ৫䲔✺㕍Ⲵ࣐ᕪ儈ᡰ ᑨ⑙᣹ըǄڊݹỰḕਾ 6-1-1-1 6-1-1-2 279.5 4.0 6-1-1-3 281.5 4.0 6-1-1-4 281.5 4.0 6-1-1-5 281.5 4.0 ᣹ը˖✺ਾⲴ䈅ᶯ䘋㹼ڊ 2) X z z z z z z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc (1) VPPA (1) VPPA ¤ ¤ ᕰᓜ㌱ᮦ

ᔬծ⦽

৊ᓖ䈅ᶯ ᴶཝᓊ࣑ ᧕ཤᕪᓖ⍻䈅 -6mm -

χ䈋ԬᶗԬφ᣿ծḽ߼䈋Ԭ 䈅ᶯ✺᧕ θᒩᶵሯ᧛ 䈅ᶯ✺᧕ 1.6mm 6mm

θ⴪ᖺ

θ৐ᓜ

For HIT students use only use students HIT For For HIT students use only use ∃ᶆᓊ࣑ ᴶཝ䍕䖳 students HIT For 2219 ER2319 /23 /25 Ⲵ᣹ը䈅Ԧˈণ৫䲔Ҷ✺㕍Ⲵ࣐ ᑨ⑙᣹ըǄڊᕪ儈ਾ 1 430 MPa 19.7 kN 264.6MPa 16.2% 61.5% 2 430 MPa 20.1 kN 266.0MPa 15.4% 61.9% 15mm ✺᧕ᐕ㢪Ⲵ⹄ウ ✺᧕ᐕ㢪Ⲵ⹄ウ ❀ѓᶗԬφ 䈋ᶵᶗԬφ 䈋Ԭ ৊ˈᇭ ᣹ը˖ሶ䈅ᶯ࣐ᐕᡀڊ৫䲔Ҷ✺㕍Ⲵ࣐ᕪ儈ਾᡰ X 㕍 ݹ Ự ḕ ✺ ᵪ Ỡ ᙗ 㜭 1) 1) 5mm Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. (1) VPPA (1) VPPA ¤ ¤ 䬓ਾ䠇 LF6 θ 5mm

᧕䜭ᱟ䟷⭘অэປݵˈᴰ⨶ᜣⲴᛵߥᱟ⟄ॆⲴ䠁኎˄वᤜ ሩ䰤䳉઼䭉䗩䟿᭿ᝏⲴ䰞仈✺ For HIT students use only use students HIT For ✺᧕ᢰᵟ only use students HIT For ✺᧕ᢰᵟ /28 /30 VPPA VPPA VPPA VPPA ൷रੁਾ䜘⍱ࣘˈᴹ࡙Ҿ✺㕍ᡀᖒˈ䚯ݽ࠷ࢢǄ 䀓ߣחⴞࡽ ࡙⭘єњ✺эˈ൘⭥ᕗࡽ䜘ᡀаᇊཀྵ䀂਼ᰦㅹ䙏䘱䘋ˈ ᢺ⟄⊐Ⲵࡽㄟ㔉⭥ᕗ⮉ࠪˈᴹ࡙ҾᖒᡀっᇊⲴクᆄ˗ ⟄ॆⲴ✺э䠁኎Ӿє Ⲵ 䠁኎㢟ྭ㶽ਸˈӾ㘼ӗ⭏࠷ࢢǄח⍱ࡠਾ䜘ਾн㜭оਖаח⍱ࣘˈ⏢ᘱ䠁኎Ӿаח໱൷रൠ⍱ੁਾ䜘Ǆ❦㘼ᇎ 䱵ᛵߥᖰᖰࠪ⧠অחᶀ⟄ॆ઼✺э⟄ॆ˅Ӿクᆄ⟄⊐Ⲵєњ⇽ 㛼Ჟ䴰≲˖ 䀓ߣᯩṸ˖ ৼປэ ৼປэ z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc (2) (2) ¤ ¤

ㆂփ⧟㕍Ⲵ✺᧕

For HIT students use only use students HIT For For HIT students use only use students HIT For ✺᧕ᢰᵟ /27 /29 লˈ൘ेӜᐕъབྷᆖ䘋㹼Ҷᇎ傼⹄ウ VPPA ᧕ṧԦ ✺᧕ᐕ㢪Ⲵ⹄ウ 529 䘱эս㖞ǃৼэ䰤䐍ǃ✺᧕৲ᮠሩᡀᖒⲴᖡ૽ 䰤䳉઼䭉䗩Ⲵᖡ૽ ✺᧕ːњṧԦǄ㓿䗷ᐕলᢃ঻䈅傼ˈㆂփ㙀঻ᕪᓖ┑䏣䇮䇑ᤷḷ㾱≲Ǆ 㕙∄Ԧㆂփ⧟㕍✺ 㠚㹼䇮䇑Ҷৼэ䘱эᵪཤˈ䈳㢲⚥⍫ᯩׯ Պ਼ ৼປэ z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. (1) VPPA (2) ¤ ¤ ᰦҏ㜭ᇎ 2.0mm 㘼ᰐ㻵䝽䭉䗩䟿ᰦ 4.0 mm ਼ᰦ㻵䝽䭉䗩䟿䗮ࡠ 4.0 mm ・✺ᐕ㢪ާᴹ䖳Ѫ᰾ᱮⲴՈ࣯Ǆ 䬍ਸ䠁ᶯሩ᧕㻵䝽䰤䳉䗮ࡠ

VPPA ・✺ᐕ㢪⴨∄ˈᖃєᒣᶯሩ᧕ᆈ൘㻵䝽䰤䳉ᡆ㘵䭉

LF6 For HIT students use only use students HIT For ✺᧕ᢰᵟ only use students HIT For /32 /2 ৊ VPPA VPPA ӽ❦㜭ᇎ⧠✺㕍ᡀᖒ ⧠✺㕍ᡀᖒ 5.0 mm єᶯሩ᧕㻵䝽䰤䳉䗮ࡠ 䗩䟿ᰦˈৼປэ оঅປэ ৼປэ z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc (2) K-TIG Video of ¤ ¤ ❀

TIG

For HIT students use only use students HIT For ✺᧕ᢰᵟ only use students HIT For /31 /1 ॏᆊ VPPA ৼປэ 1.6 Keyhole TIG welding TIG 1.6 Keyhole 1.6 Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. (2) ¤ ¤ ˈ൘ྲ ˈㄟཤ䀂 16~20V 6.3~6.5mm ˈ⭥ᕗ⭥঻Ѫ ԕк˄ᑨ⭘ⴤᖴѪ 600~650A

6mm For HIT students use only use students HIT For /4 /6 ˅ˈ✺᧕⭥⍱䗮 o 60 ൘Ǆ ໱ˈᖒᡀॉᆄǄ ኎㺘䶒ᕐ࣋о⏢ᘱ䠁኎޵䜘঻࣋䗮ࡠࣘᘱᒣ㺑ˈࡉሿᆄቡՊっᇊᆈ 䗷〻䶎ᑨ㊫լҾㅹ⿫ᆀĀሿᆄā✺᧕ᯩ⌅Ǆחઘ ᕗᥪⴤᓖǃ⭥ᕗ઼࣋ク䘿㜭࣋䜭ᱮ㪇໎ᕪǄ ໱䠁኎㫨ਁᖒᡀⲴ㫨⊭৽֌⭘࣋ԕ৺⏢ᘱ䠁䲿⵰⭥ᕗࡽ䘋ˈ⟄⊐䠁኎൘⭥ᕗਾᯩᕕਸᒦߧতࠍപᡀ✺㕍ˈᮤњחࡠ⇽ᶀѝ৫ˈሶ⟄㶽Ⲵ䠁኎ᧂᥔࡠ⟄⊐ഋ ྲ᷌⭥ᕗ঻࣋ǃሿᆄޕ䘹⭘Ⲵ䫘ᶱⴤᖴ䜭൘ ✺᧕ᰦˈ⭥ᕗ␡␡ൠ᡾ ᓖѪ ↔儈Ⲵ㿴㤳৲ᮠ֌⭘лˈ⭥ᕗ⭥⻱᭦㕙࣋བྷབྷᨀ儈ˈᆿ㿲㺘⧠Ѫ⭥ z z z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc ¤ ¤ ˅✺᧕ᢰᵟᱟ K-TIG welding K-TIG ✺᧕ᯠᢰᵟˈ⭡◣བྷ࡙ӊ ˈㆰ〠

TIG

For HIT students use only use students HIT For For HIT students use only use students HIT For /3 /5 Keyhole TIG welding ˄ ᔰਁ ᒤᐖਣࠪ⧠Ⲵа⿽བྷ⭥⍱ TIG ॉᆄ 2000 CSIRO ᾲ䘠 z Standard high current TIG weldingStandard high current Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 1. ¤ ¤ ✺㕍 ) ਣ TIG( ઼ᑨ㿴 ) ᐖ

K-TIG(

For HIT students use only use students HIT For For HIT students use only use students HIT For /8 /10 н䬸䫒 6mm 316L ᓄ⭘ http://www.msm.cam.ac.uk/phase- trans/2004/CSIRO2/CSIRO2-Pages/ z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc Keyhole TIG welding --torch Keyhole TIG 3. ¤ ¤ K- ✺᧕ˈ ✺᧕ˈ TIG K-TIG ˅ˈᤆ㖙઼㛼 AWS A5.16 ✺᧕аᖻ䟷⭘㓟≙≄˄ Ǆ䟷⭘Ր㔏 99.999% TIG ✺᧕㾱≲Ⲵ儈✺᧕⭥⍱ˈഐ↔ 12.7mm ປݵ✺э⡼ਧѪˈ o

˅ˈᑨ㿴 60 K-TIG only use tudents 䶒එਓປݵй䚃˗䟷⭘⇿ˈ ˈ৊ᓖѪ 99.99%

1.2mm ˈᣔ؍For HIT students use only use students HIT For රඑਓˈᰐ䰤䳉˅Ǆ✺ࡽ⌘᜿␵⨶ˈ✺ѝ⌘᜿ /7 /7 /9 ASTM B265 I ᣔ᭸᷌ਇࡠᖸབྷᒢᢠˈᴰྭ䟷؍ᕪབྷⲴ⭥ᕗᢠࣘˈ≄⍱ ˅Ǆ ᧕⭥Ⓚᰐ⌅ᨀ׋✺ රඑਓˈඑਓ䀂ᓖѪ ˈⴤᖴѪ V ˄≄≙ᣔ≄փ䟷⭘儈㓟؍᧕⭥⍱ᖸབྷˈ✺ᷚሩᮓ✝㾱≲ᖸ儈ˈᗵ享ާᴹᕪ࣋ߧত㌫ ✺᧕✺ᷚ✺ TIG K-TIG ✺᧕⭥Ⓚа㡜Ѫ⢩ࡦ䇮༷ˈᡆ㘵ⴤ᧕䟷⭘ⴤ⍱෻ᕗ✺⭥ⓀǄն ᣔǄ؍փ ⭥Ⓚ䘋㹼᭩䙐ˈ໎࣐儈仁ᡆ儈঻⁑ඇ˗ ≄ᣔ≄⍱䟿ˈྲ᷌ᶑԦާ༷᧘㦀䟷⭘ৼ䟽؍ᣔ≄փᒦ࣐བྷ؍⭘儈㓟 ˄≄≙ᣔ䟷⭘㓟؍䶒 ᔰৼ䶒䇱✺᧕⭥ᕗっᇊ䎧ᕗ઼⟳✗ˈᗵ享ሩ✺᧕؍㤕䟷⭘෻ᕗ✺⭥ⓀˈѪ нᔰඑਓ˄ TIG K-TIG 㔏ˈᒦ䟷⭘ᮓ✝㜭࣋㢟ྭⲴߧত⏢˗ ᑨ㿴 ⭡Ҿ 䫋ᶯᶀ䍘Ѫ K-TIG 99.99% ERTi-1 䇮༷ ᓄ⭘ z z z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 2. 3. ¤ ¤

greatly the chance reduces For HIT students use only use students HIT For /12 /14 etchant. Macrograph of a keyhole GTA weld in 10 mm in 10 mm weld Macrograph of GTA a keyhole Inconel 718 tint thick plate (as-welded). Beraha’s ss steel in a single welding pass. It does this at a ss of in the welded metals, corrosion as little or no foreign materials are being introduced; A TIG weld Keyhole is capable of welding 12mm thick stainle far offering 300mm per minute, speed of (12 inches) greater and therefore profits, to companies productivity, system. the K-TIG welding using No filler materials needed. This z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc 4. Benefits ¤ ¤ 6.5 MM 6.5 MM THICK 3CR12 ሩ᧕✺ K-TIG

䬶ਸ䠁ᶯⲴ

For HIT students use only use students HIT For For HIT students use only use students HIT For /11 /13 Zr702 ৊ 6.35mm ᓄ⭘ z 10.5 MM THICK AISI 304 STAINLESS STEEL STAINLESS AISI 304 10.5 MM THICK Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 3. ¤ ¤ Ǆ ) ✺ (Magnetically (Magnetically MIAB ˈㆰ〠Ѫ Macrographs of keyhole GTA welds in GTA of keyhole Macrographs ASTM 5-95a B265 Grade thick 13 mm photo plate. The upper (Ti-6Al-4V) weld shows a single GTA pass keyhole while the lower has an additional bead pass for dressing improved profile. ᒤԓ൘⅗⍢䰞цⲴˈ⧠൘ᐢ⭘ҾḀӋབྷ 70 ц㓚

For HIT students use only use students HIT For For HIT students use only use students HIT For /16 /2 ԦⲴ㔃ਸ䶒ᖒ⣦઼ቪረᓄ⴨਼ˈ䘉⿽ᯩ⌅৸〠Ā⻱ᕗ✺āǄ ⵰ሩ᧕✺㕍᯻䖜ˈ࣐✝аᇊᰦ䰤ਾ䘋㹼亦䭫Ǆ а⿽Ǆ ḡᖒⲴ䴦ԦǄྲ᷌ᐕԦнᱟശḡᖒˈ㠣ቁᓄ㊫լҾശḡᖒфєњᐕ ᢩ䟿䜘ԦⲴ✺᧕⭏ӗǄ ᣔ✺о঻࣋✺⴨㔃ਸⲴӗ⢙ˈ኎Ҿ㠚ࣘ✺ᯩ⌅Ⲵ ѫ㾱⭘Ҿ✺᧕վ⻣䫒઼վਸ䠁䫒ᶀ䍘ǃ໱৊䖳㮴Ⲵശḡᖒᡆ䘁լശ؍࣋᯻䖜⭥ᕗ✺৸〠Ѫ⻱傡ࣘ᯻䖜⭥ᕗሩ✺ 䘉⿽✺᧕ᯩ⌅ᱟ ൘✺᧕ᰦˈ⭥ᕗӗ⭏൘єṩ㇑ᆀⲴሩ᧕ㄟѻ䰤ˈ൘⻱൪Ⲵ傡ࣘл⋯ 䘉⿽ᯩ⌅ᱟ≄փ⻱ Impelled Arc Butt Welding Impelled Arc Butt ᾲ䘠 z z z z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc 1. ¤ ¤ Macrographs of keyhole GTA weld GTA of keyhole Macrographs weld GTA and conventional (top) ASTM B265 thick mm 13 in (bottom) plate. The titanium) (CP 2-95a Grade weld was made GTA conventional filler a using matching material, and 6 preparation double-V edge welding passes.

http://website.lineone.net/~diverse/layer2/miabpr.htm

For HIT students use only use students HIT For For HIT students use only use students HIT For /15 /1 ⻱࣋᯻䖜⭥ᕗ✺ 1.7 Magnetically Impelled Arc Butt (MIAB)Impelled Arc Butt 1.7 Magnetically welding 1.7 Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. ¤ ¤ 。 6 hnical-knowledge/faqs/process-faqs/faq-what-is- ⴤᖴˈ 50 mm http://www.twi.co.uk/tec miab-welding/ 。˗ 1 ཆᖴ ⴤᖴⲴ

1200 A

100 kN For HIT students use only use students HIT For For HIT students use only use students HIT For /4 /6 20 mm Ⲵ䇮༷㿴Ṭྲл˖ 10 ~ 200mm ~ 6 mm 1

DIVERSE The components to be welded are rigidly clamped in the welded to be components The MIAB welding equipment, leaving a predetermined, small the first stage of a their ends. In the process, gap between ends. A the component static, DC between arc is struck radial this arc to magnetic field travel at causes high speed the component heating circumference, around the joint (see Fig. 1). temperature to a high ends then, in the second for a few seconds continues Heating stage, the components are brought together under a Fig. 2). Any molten (see pressure predetermined forging material is expelled from the joint and a solid phase weld is produced. ㇑ᖴ˖ ໱৊˖ ✺᧕ᰦ䰤˖ ᶀᯉ˖䫒ǃ䬨䫒ǃ䬨䫱ǃ䭫䫒ǃ䬍ਸ䠁ǃн䬸䫒ǃ䬌 ✺᧕⭥⍱˖ᴰབྷ 亦䭫࣋˖ᴰབྷ 䇮༷ z z 㤡ഭ z z z z z z ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc 4. ¤ ¤

For HIT students use only use students HIT For For HIT students use only use students HIT For /3 /5 ᣔǄ؍ᯩ⌅✺᧕н䬸䫒઼ᴹ㢢䠁኎઼ਸ䠁ˈࡉ䴰㾱≄փ

സӗ⭏Ⲵ⻱൪֯⭥ᕗ⋯⵰㇑ㄟઘ䮯ᯩੁ᯻䖜Ǆ ሶєњᐕԦ࠶ᔰࡠаᇊ䐍⿫ԕᔪ・䎧っᇊⲴ⭥ᕗǄ᧕ཤཆത⭥⻱㓯 ৺亦ㄟ঻࣋ㅹ䘋㹼㕆〻Ǆ⇿њ✺᧕ઘᵏⲴᙫᰦ䰤ᱟᖸ⸝ⲴǄ ӂ䶐䘁ˈⴤࡠࡊྭ᧕䀖ս㖞Ǆ࡙⭘儈仁᭮⭥㻵㖞ᕅ⟳⭥ᕗˈᒦ・ণ ᡀ✺᧕Ǆ䘋㹼✺᧕ѻࡽˈ൘᧗ࡦಘкሩ✺᧕亪ᒿǃ⇿њ䱦⇥Ⲵᰦ䰤 ˈਟ㜭Պ➴⚝⭥ᕗǄ ᣔ≄Ǆնᇎ傼㺘᰾ˈྲ᷌䟷⭘ MIAB ਖཆˈᴹ㢢䠁኎䖳䳮൘ᒣ✺ս㖞✺᧕ˈഐѪ⟄ॆ䠁኎⍱⏼ࡠվㄟਾ؍㠚ࣘǃ✺᧕䙏ᓖᘛ˗ о⭥䱫✺⴨∄ਟ㢲ⴱབྷ䟿㜭䟿˗ ਟ✺᧕㮴໱ᶀᯉˈ䘁ᵏ⹄ਁⲴᢰᵟҏਟ✺৊໱㇑˗ ᐕԦн䴰㾱᯻䖜˗ ✺㕍䍘䟿儈ˈ✺᧕ਈᖒሿ˗ 㠚⟄✺ˈн䴰㾱ປݵᶀᯉǄ ✺᧕⻣䫒઼ਸ䠁䫒ᰦˈн䴰㾱ޘ ᕗ✺᧕䗷〻⽪᜿മǄ俆ݸሶєњᐕԦཀྵᤱࡠ✺ᵪкˈ❦ਾє㘵⴨ 䘲ᖃᰦ䰤ਾˈᯭ࣐亦䭫঻࣋ˈሶєњᐕԦ঻൘а䎧ˈ⭥ᕗ➴⚝ˈᆼ⻱ ৏⨶ ⢩⛩ z z z z z z z z z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 2. 3. ¤ ¤

Singapore

For HIT students use only use students HIT For For HIT students use only use students HIT For /8 /10 Authorized selling for S.E. Asia & Middle agent East Ltd., Pte. Solutions & Engineering JIT M/s. NO EDGE PREPARATION ! NO FILLER MATERIAL ! FILLER MATERIAL NO ! EDGE PREPARATION NO

0DJQHWLF,PSHOOHG$UF%XWW :HOGLQJ 0,$% ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc ¤ ¤

For HIT students use only use students HIT For For HIT students use only use students HIT For /7 /9 Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. ¤ ¤

K-872 -1 is intended for welding welding for is intended -1 ʺ Machine K-872 is intended for welding welding for is intended K-872 Machine pipelines under field conditions. Machine Machine tubes & pipeline. diameter small

MD-1 For HIT students use only use students HIT For For HIT students use only use students HIT For /12 /14 MIAB welding reduces weld time by 90% time by weld reduces MIAB welding Welding Head Welding 1. 2. Pump Station 2. Pump Station Cabinet 3. Control System Management 4. Weld Source 5. DC Power Equipment composition Equipment Tube Welding MIAB welding machines for pipes MIAB machines for welding ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc ¤ ¤

be welded with potential

For HIT students use only use students HIT For For HIT students use only use students HIT For /11 /13 num alloys Steel Stainless steel Alumi Mobile machines are available. savings duewelding to processes. improved productivity over other arc transmission pipelines to Two welds can be carried Two welds can be out simultaneously on a double ended machine. Retractable electromagnetic coils and field profile control for coils and field easy loading electromagnetic Retractable and unloading of work. Can be configured for automatic flash removal. Mobile MIAB machines can be used on site and allow Materials to be welded be welded to Materials • • • y y y y Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. Optional features of MIAB ¤ ¤ Hydraulic Test Result - 72.5MPa. Hydraulic Test Shock Absorber Tubes & Pipelines Tubes Machine MD-103 and MD-102 type for MIAB welding of shock absorber for MIAB welding of shock absorber 219mm can be welded using 219mm can be welded

Shock absorber section: Welded OD53x1,8mm. Productivity: 200 butts/hour time: t=2.9 s Welding + 20 Steel Material: Steel 35

For HIT students use only use students HIT For For HIT students use only use students HIT For /16 /18 Applications Tubes OD 22 & 48 mm OD 22 & 48 Tubes Applications Applications “Pipes with OD up to with “Pipes MIAB” ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc ¤ ¤ Solid Rods

Solid Rod OD 22mm Solid Rod Time:12 s Welding

For HIT students use only use students HIT For For HIT students use only use students HIT For /15 /17 Applications Applications Pull test of weld joint of Reinforcement Rod - mm OD 32 Rod of Reinforcement of weld joint test Pull Automobile Industry MIAB welding is predominantly used in the Europeanin the used predominantly MIAB weldingis Vehicle drive shafts. drive Vehicle Rear axle assembly. housing. Wheel bearing tube assemblies. Pipe and Shock absorber assemblies. Threaded sleeves assemblies. to plates. Nuts welded Brake pipes Automotive applications Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. ¤ ¤

Welded Joint after Tensile Tensile after Joint Welded Elongation Test LP Tank Assembly, Boss Weld Boss Weld Assembly, LP Tank OD 31.7 mm, WT 4.1 mm Size: Time: 7 Second Welding Automobile part: Drive Shaft Drive part: Automobile Machine K1015 for drive Machine K1015 OD for shaft welding 2-4mm. 70 - 102mm,WT Liquid Propane Tanks

For HIT students use only use students HIT For For HIT students use only use students HIT For /20 /22 Applications Applications Applications Applications “The tests conducted on the drive shaft have indicated that that indicated have shaft drive the on conducted “Thetests shaft.” of drive the durability reduce does not MIAB welding Drive Shaft OD75x2.1 mm OD75x2.1 Drive Shaft Welding time: 3.8 s time: 3.8 Welding

LP Tank Assembly, Girth Weld Girth Weld Assembly, LP Tank WT2.1 OD203.2, mm Size: Time: 12.5 s Welding ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc ¤ ¤

x250

Automobile Part: Oil Tank Oil Part: Automobile f micro section of welded joint micro section Line ofL J Joint

Field for for MIAB welding Field

Pull Test. Force of break - kg 12900 Force Pull Test.

Automobile Part: Piston Rod Automobile udents use only use udents

HAZ HAZ 4.4mm /19 only use students HIT For /21 Macro section of welded joint of welded Macro section Applications Applications Applications Piston Assembly: OD22x2.2mm Piston s 3.6 Time: Welding Welded Joint of Joint Welded Connecting Pipe: OD 31.7x 4.1 mm Time: 7 s Welding Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. ¤ ¤ http://www.plasch.at/

✺

For HIT students use only use students HIT For For HIT students use only use students HIT For /1 /3 1.8 TIP TIG1.8 TIP welding 1.8 TIP TIG ://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc ¤ ¤

TIG, MIG, Resistance and Flash Butt Welding. Butt Flash TIG, MIG, Resistance and

For HIT students use only use students HIT For For HIT students use only use students HIT For /23 /2 cooled T.I.G. welding mposed by a secondary high-speed linear oscillation mposed by a high-speed secondary tion which when introduced to the molten weld pool Uniform welding. consumption Low power ofNocomponents rotation No consumablesneeded. e.g.. Filler material. Less internal flash. Less internal Shorter weld times. loss.Less metal Reduced machine maintenance. y y y y MIAB has replaced automated Why MIAB scores over other welding process? y y y y Invented by Siegfried Plasch, Austria by Siegfried Plasch, Invented The steady forward motion of feed the welding wire is superi drive plate. four-roll of the a dynamic onto wire in the form This induces the of a vibra destroys the surface tension. This gives better fusion, impurities and allows gases to escape and improves in wetting resulting higher deposition. to any TIP TIG can be connected water- power source. ᾲ䘠 z z z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. Comparison to other welding processes 1. ¤ ¤ /5 /5 /7 the quality of T.I.G. welding TIP TIG can be easily automated and increased production of by the use hot-wire no need welds with cosmetically finished TIP TIG produces for dressing Excellent metallurgical and mechanical results for all materials = rework cost = low = distortion low Low heat input savings TIP TIG gives 100% x-ray quality welds TIP TIG equals the deposition of pulsed M.I.G. but welding gives z z z z z z

://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc 3. Benefits ¤ ¤

For HIT students use only use students HIT For For HIT students use only use students HIT For /4 /6 Most materials including: Most materials Duplex, Super Duplex, Inconel, Zinc Hasteloy, Copper, Titanium, Steel, Aluminium, Stainless Steel. Mild plated materials, Duplex and Super Heavy wall Stainless Steel Fabrication, Cladding, Duplex Vessel Fabrication, and Pipe, Duplex Tank Precision Food Industry,Roofing Industry, Aluminium Boilers, Defence Technology, Aerospace, Metal Fabrication, Automotive Industry. Weldable Materials Applications Cold and wire, hot wire orbital welding 䘲⭘ᶑԦ z z z Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. 2. ¤ ¤

duplex stainless steel

For HIT students use only use students HIT For For HIT students use only use students HIT For /9 /11

://weld.hit.edu.cn/~arc , , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc , Lin Sanbao,Dr. http ://weld.hit.edu.cn/~arc TIP TIG welding of super Manual TIP-TIG welding ¤ ¤

For HIT students use only use students HIT For For HIT students use only use students HIT For /8 /10 Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. TIP TIG orbital welding TIP TIG orbital ¤ ¤

End of chapter 1 For HIT students use only use students HIT For /12 Dr. Lin Sanbao, http://weld.hit.edu.cn/~arc , , http://weld.hit.edu.cn/~arc Sanbao, Lin Dr. ¤