'gas' a wontumi nhu na wontumi nhu, a wontumi mmu ani ngu so wɔ laser welding mu no kyerɛ mframa a ɛbɔ ho ban no. Nea ɛpaw no nya welding a wɔyɛ no yiye, sɛnea ɛyɛ adwuma yiye ne ne bo so nkɛntɛnso tẽẽ. Ɛnnɛ, Hangao Tech ne wo bɛkasa afa nimdeɛ a ɛfa gas ho a wɔbɛbɔ ho ban ho.
1. Dwuma a ahobammɔ wim tebea di .
Wɔ laser welding mu no, shielding gas bɛka weld no nsusuwii, weld no su, weld penetration ne penetration width. Mpɛn pii no, mframa a ɛbɔ ho ban a wɔbɛbɔ no benya nkɛntɛnso pa wɔ weld no so, nanso ebetumi nso de nkɛntɛnso bɔne aba.
Nsunsuanso pa .
1) mframa a ɛbɔ ho ban a wɔde bɛma no yiye no bɛbɔ weld pool no ho ban yiye na ama oxidation so atew anaasɛ mpo wɔakwati;
2) mframa a ɛbɔ ho ban a ɛbɔ no yiye no betumi atew spatter a ɛba bere a wɔreyɛ welding no so yiye;
3) Insufflation a ɛfata a ɛwɔ mframa a ɛbɔ ho ban no betumi ama weld pool no atrɛw pɛpɛɛpɛ bere a ɛyɛ den no, na ama weld no nsusuwii ayɛ pɛ na ayɛ fɛ;
4) correct blowing of protective gas betumi atew shielding effect a dade vapor plume anaa plasma mununkum wɔ laser so, na ama utilization rate rate a ɛyɛ laser no akɔ soro;
5) Correct a wɔbɔ no shielding gas no betumi atew weld porosity so yiye.
Bere tenten a wɔpaw gas no su, gas a ɛsen, ne insufflation kwan no yiye no, wobetumi anya nkɛntɛnso a eye sen biara. Nanso, mframa a ɛbɔ ho ban a wɔmfa nni dwuma yiye no nso betumi anya nkɛntɛnso bɔne wɔ welding so.
Nsunsuanso bɔne .
1) mframa a ɛbɔ ho ban a wɔmfa nhyɛ mu wɔ ɔkwan a ɛmfata so no betumi ama weld nhama a ɛnyɛ papa aba;
2) Mframa a ɛnteɛ a wobɛpaw no betumi ama weld no mu apaapae, na ebetumi nso ama weld no mfiridwuma mu nneɛma so atew;
3) Mframa bɔne a ɛbɔ no a wobɛpaw no betumi ama weld oxidation a emu yɛ den kɛse aba (sɛ ebia nsu a ɛsen no yɛ kɛse dodo anaasɛ ɛyɛ ketewaa dodo), na ebetumi nso ama weld pool metal no ahaw kɛse esiane tumi a ɛwɔ akyi nti, na ɛde weld no ahwe ase anaasɛ ɛnyɛ pɛpɛɛpɛ;
4) Gas injection kwan a ɛnteɛ a wɔbɛpaw no bɛma weld no ankɔ ahobammɔ tumi no mu anaasɛ mpo ne titiriw no, ahobammɔ tumi biara nni hɔ anaasɛ ɛbɛka weld a ɛba no wɔ ɔkwan a enye so;
5) Insufflation of protective gas no bɛnya nkɛntɛnsoɔ pɔtee bi wɔ weld no a ɛkɔ mu no so, titiriw berɛ a welding mprɛte a ɛyɛ tratraa no, ɛbɛtew weld no a ɛkɔ mu no so.
2. Mframa ahorow a ɛbɔ ho ban .
Mframa a wɔtaa de bɔ ho ban ma laser welding titiriw ne nitrogen, argon, ne helium, na wɔn honam fam ne nnuru su yɛ soronko, enti nkɛntɛnso a ɛwɔ weld no so nso yɛ soronko.
1) Nitrogen .
Nitrogen ionization ahoɔden no yɛ nea ɛkɔ fam, ɛkorɔn sen argon de no, ɛba fam sen helium de no, na ionization dodow a ɛwɔ laser adeyɛ ase no yɛ nea ɛkɔ soro, a ebetumi atew plasma mununkum a ɛba no so yiye, na ɛnam so ama laser a wɔde di dwuma yiye no akɔ soro. Nitrogen tumi de nnuru ne aluminum aduru ne carbon dade yɛ adwuma wɔ ɔhyew mu wɔ ɔhyew pɔtee bi mu ma ɛyɛ nitrides, a ɛbɛma weld no ayɛ mmerɛw, atew den no so, na anya nkɛntɛnso bɔne kɛse wɔ mfiri no mfiridwuma su so, enti wɔmfa nkamfo sɛ wɔmfa nitrogen nni dwuma mma aluminium aduru ne carbon dade a wɔde yɛ aduru a wɔde bɔ wɔn ho ban.
Nitrogen a nnuru a ɛwɔ nitrogen ne dade a ɛnyɛ den ntam no ma ɛyɛ adwuma no betumi ama weld nkwaa no ahoɔden ayɛ kɛse, na ɛbɛboa ma weld no mfiridwuma mu nneɛma atu mpɔn, enti wobetumi de nitrogen adi dwuma sɛ mframa a ɛbɔ ho ban bere a wɔde dade a ɛnyɛ den ayɛ no.
2) Argon .
Argon ionization ahoɔden no yɛ nea ɛba fam koraa, na ionization degree no korɔn wɔ laser adeyɛ ase, a ɛnyɛ nea ɛfata sɛ ɛbɛhyɛ plasma mununkum a ɛba no so na ebenya nkɛntɛnso pɔtee bi wɔ laser a wɔde di dwuma yiye no so. Nanso, argon wɔ dwumadi a ɛba fam koraa na ɛyɛ den sɛ wɔde bɛka dade a wɔtaa de di dwuma ho. Nnuru bi a ɛyɛ adwuma ba, na argon ho ka nyɛ kɛse. Nea ɛka ho no, argon no mu duru yɛ kɛse, na ɛyɛ papa sɛ ɛbɛkɔ fam akɔ weld pool no atifi, a ebetumi abɔ weld pool no ho ban yiye, enti wobetumi de adi dwuma sɛ mframa a ɛbɔ ho ban a wɔtaa de di dwuma.
3) Helium .
Ionization ahoɔden a ɛwɔ helium mu no yɛ nea ɛkorɔn sen biara, na ionization degree no sua koraa wɔ laser adeyɛ ase, a ebetumi adi plasma mununkum no a ɛba no so yiye. Laser no tumi yɛ adwuma wɔ dade so yiye, na helium dwumadi no sua koraa, na ne titiriw no ɛne dade nyɛ ade wɔ nnuru mu. , yɛ mframa a ɛyɛ papa yiye a ɛma wotumi bɔ welding seam ho ban, nanso helium ho ka yɛ kɛse dodo, na mpɛn pii no nneɛma a wɔyɛ no pii mfa saa mframa yi nni dwuma. Wɔtaa de helium yɛ nyansahu mu nhwehwɛmu anaa nneɛma a ɛsom bo kɛse.
Sɛ wowɔ nsɛmmisa anaa ahiade biara wɔ . Laser welding pipe making machine tube mill production line , yɛsrɛ sɛ ntwentwɛn wo nan ase sɛ wobɛka yɛn ho ama nkitahodi.
