01 Ngwakọ ngwakọ laser-arc siri ike
Efere efere (ọkpụrụkpụ ≥ 20mm) ịgbado ọkụ na-arụ ọrụ dị mkpa n'ichepụta nnukwu akụrụngwa na mpaghara dị mkpa dị ka ikuku ikuku, ụgbọ mmiri na ụgbọ mmiri, njem ụgbọ oloko, wdg. A na-ejikarị ihe ndị a mara nnukwu ọkpụrụkpụ, ụdị nkwonkwo dị mgbagwoju anya, na ọrụ mgbagwoju anya. gburugburu.Ịdị mma ịgbado ọkụ nwere mmetụta kpọmkwem na arụmọrụ na ndụ nke akụrụngwa.N'ihi ọsọ ịgbado ọkụ ngwa ngwa na nsogbu spatter siri ike, usoro ịgbado ọkụ nke gas na-eche ihu na-eche ihe ịma aka dị ka ịrụ ọrụ ịgbado ọkụ dị ala, oriri ike dị elu, na nnukwu nrụgide fọdụrụnụ, na-eme ka o sie ike izute ihe ndị chọrọ nrụpụta na-abawanye.Agbanyeghị, teknụzụ ịgbado ọkụ laser-arc dị iche na teknụzụ ịgbado ọkụ ọdịnala.Ọ na-ejikọta uru nke ọmaịgbado ọkụ laserna arc ịgbado ọkụ, na nwere àgwà nke nnukwu penetration omimi, ngwa ngwa ịgbado ọkụ ọsọ, elu arụmọrụ na mma weld àgwà, dị ka e gosiri na Figure 1 Gosi.Ya mere, nkà na ụzụ a adọtala nlebara anya zuru oke ma malite itinye n'ọrụ n'akụkụ ụfọdụ isi.
Ọgụgụ 1 Ụkpụrụ nke ịgbado ọkụ ngwakọ laser-arc
02Chọọ maka ịgbado ọkụ laser-arc nke nnukwu efere
Ụlọ ọrụ Norwegian Institute of Industrial Technology na Lule University of Technology dị na Sweden mụtara nhazi nhazi nke nkwonkwo welded n'okpuru 15kW maka 45mm nnukwu micro-alloyed elu-ike obere alloy ígwè.Mahadum Osaka na Egypt Central Metallurgical Research Institute jiri eriri laser 20kW mee nyocha na usoro ịgbado ọkụ laser-arc nke nwere nnukwu efere (25mm), na-eji eriri ala iji dozie nsogbu hump dị ala.The Danish Force Technology Company jiri abụọ 16 kW disk lasers n'usoro iji mee nnyocha na ngwakọ ịgbado ọkụ nke 40mm oké ígwè efere na 32 kW, na-egosi na elu-ike ịgbado ọkụ laser-arc na-atụ anya na a ga-eji ike ikuku ike ịgbado ọkụ n'ụsọ oké osimiri. , dị ka e gosiri na Figure 2. Harbin Welding Co., Ltd bụ nke mbụ na mba ịmụta isi technology na akụrụngwa mwekota technology nke elu-ike siri ike laser-agbaze electrode arc ngwakọ okpomọkụ isi iyi ịgbado ọkụ.Ọ bụ oge mbụ iji mee nke ọma n'itinye elu ike siri ike laser-dual-waya agbaze electrode arc ngwakọ ịgbado ọkụ technology na akụrụngwa na elu-ọgwụgwụ akụrụngwa na mba m.mmepụta ihe.
Onyonyo 2. Eserese okirikiri nhọrọ ukwuu laser
Dị ka ugbu a nnyocha ọnọdụ nke laser-arc ngwakọ ịgbado ọkụ nke oké efere n'ụlọ na ná mba ọzọ, a pụrụ ịhụ na Nchikota laser-arc ngwakọ usoro na warara oghere uzo nwere ike nweta ịgbado ọkụ nke oké efere.Mgbe ike laser na-abawanye karịa 10,000 watts, n'okpuru irradiation nke laser ike dị elu, omume vaporization nke ihe ahụ, usoro mmekọrịta n'etiti laser na plasma, ọnọdụ kwụsiri ike nke ọdọ mmiri a wụrụ awụ, usoro nnyefe ọkụ, na omume metallurgical nke weld Mgbanwe ga-eme na ogo dị iche iche.Ka ike na-abawanye na ihe karịrị 10,000 watts, mmụba nke njupụta ike ga-eme ka ogo nke vaporization dị na mpaghara dị nso na obere oghere ahụ, na ike mgbagha ga-emetụta kpọmkwem nkwụsi ike nke obere oghere na mmiri nke ọdọ mmiri a wụrụ awụ, si otú ahụ na-emetụta usoro ịgbado ọkụ.Mgbanwe ndị ahụ nwere mmetụta na-enweghị atụ na mmejuputa laser na usoro ịgbado ọkụ ya.Ndị a e ji mara phenomena na ịgbado ọkụ usoro ozugbo ma ọ bụ na-apụtaghị ìhè na-egosipụta nkwụsi ike nke ịgbado ọkụ usoro ruo n'ókè ụfọdụ, na pụrụ ọbụna ikpebi àgwà nke weld.Mmetụta njikọta nke isi iyi ọkụ abụọ nke laser na arc nwere ike ime ka isi mmalite ọkụ abụọ na-enye egwuregwu zuru oke na njirimara nke ha ma nweta mmetụta ịgbado ọkụ ka mma karịa otu ịgbado ọkụ laser na ịgbado ọkụ arc.E jiri ya tụnyere usoro ịgbado ọkụ nke laser autogenous, usoro ịgbado ọkụ a nwere uru nke ngbanwe oghere siri ike na ọkpụrụkpụ weldable buru ibu.E jiri ya tụnyere ụzọ mgbado ọkụ laser dị warara dị warara nke nnukwu efere, ọ nwere uru nke nrụpụta waya dị elu na-agbaze na mmetụta dị mma..Tụkwasị na nke ahụ, mmasị nke laser na arc na-eme ka nkwụsi ike nke arc ahụ dịkwuo elu, na-eme ka ịgbado ọkụ laser-arc ngwa ngwa karịa ịgbado ọkụ omenala na arc.laser filler waya ịgbado ọkụ, na dịtụ elu ịgbado ọkụ arụmọrụ.
03 Ngwa ịgbado ọkụ laser-arc dị elu
A na-eji teknụzụ ịgbado ọkụ laser-arc dị elu na ụlọ ọrụ ụgbọ mmiri.Meyer Shipyard dị na Germany eguzobela ahịrị mmepụta nke 12kW CO2 laser-arc ngwakọ maka ịgbado ọkụ na ihe ndị siri ike iji nweta nguzobe nke welds ogologo 20m n'otu oge wee belata ogo nrụrụ site na 2/3.GE mepụtara fiber laser-arc ngwakọ ịgbado ọkụ usoro na a kacha mmepụta ike nke 20kW weld USS Saratoga ụgbọelu ụgbọelu, na-azọpụta 800 tọn weld metal na mbenata mmadụ-awa site 80%, dị ka e gosiri na Figure 3. CSSC 725 adopts a 20kW eriri laser dị elu ike laser-arc ngwakọ ịgbado ọkụ, nke nwere ike ibelata nrụrụ ịgbado ọkụ site 60% na-abawanye ịgbado ọkụ arụmọrụ site 300%.Ụgbọ mmiri Shanghai Waigaoqiao na-eji 16kW eriri laser elu ike laser-arc ngwakọ ịgbado ọkụ.Ahịrị mmepụta ahụ na-anabata teknụzụ usoro ọhụrụ nke ịgbado ọkụ laser ngwakọ + MAG iji nweta ịgbado ọkụ n'otu akụkụ na akụkụ abụọ nke 4-25mm nnukwu efere ígwè.A na-eji teknụzụ ịgbado ọkụ ngwakọ laser-arc dị elu n'ụgbọ ala ndị agha.Njirimara ịgbado ọkụ ya bụ: ịgbado ọkụ nke nnukwu ihe owuwu ọla dị mgbagwoju anya, ọnụ ala dị ọnụ ala, yana nrụpụta ọrụ dị elu.
Ọgụgụ 3. USS Sara Toga ụgbọelu ụgbọelu
High-power laser-arc ngwakọ ịgbado ọkụ technology e ibido etinyere na ụfọdụ ulo oru ubi ga-aghọ ihe dị mkpa n'aka maka oru oma n'ichepụta nke nnukwu owuwu na ọkara na nnukwu mgbidi ọkpụrụkpụ.Ka ọ dị ugbu a, enweghi nyocha na usoro nke ike ọkụ laser-arc ngwakọ ngwakọ dị elu, nke kwesịrị ka ọ dịkwuo ike, dị ka mmekọrịta dị n'etiti photoplasma na arc na mmekọrịta dị n'etiti arc na ọdọ mmiri a wụrụ awụ.A ka nwere ọtụtụ nsogbu a na-edozibeghị na usoro ịgbado ọkụ laser-arc ngwakọ dị elu, dị ka windo usoro dị warara, akụrụngwa na-enweghị isi nke usoro weld, yana njikwa ogo ịgbado ọkụ gbagwojuru anya.Dị ka mmepụta ike nke ụlọ ọrụ-ọkwa lasers ji nwayọọ nwayọọ na-abawanye, elu-ike laser-arc ngwakọ technology ga-etolite ngwa ngwa, na a dịgasị iche iche nke ọhụrụ ngwakọ ịgbado ọkụ lasers ga-anọgide na-apụta.Mpaghara, nnukwu ọnụ ọgụgụ na ọgụgụ isi ga-abụ ihe dị mkpa na mmepe nke akụrụngwa ịgbado ọkụ laser dị elu n'ọdịnihu.
Oge nzipu: Eprel-24-2024
