Spatter a laser welding de ba no nya weld seam no ani su so nkɛntɛnso kɛse, na ɛbɛgu ahwehwɛ no ho fĩ na asɛe. Kar adwumayɛ titiriw hwehwɛ sɛ wɔde laser welding di dwuma kɛse ma nneɛma bi te sɛ galvanized dade, kɔbere ne aluminium. Ɔkwan a wɔbɛfa so ayi spatter afi hɔ ne sɛ wɔde mfaso a ɛwɔ fiber laser so no bɛbɔ afɔre, nanso eyi bɛtew sɛnea wɔyɛ no yiye no so. Enti, ɛho hia sɛ yɛte nea enti a laser welding afiri no spatter bere a wɔreyɛ welding no ase, sɛnea ɛbɛyɛ a wobenya ɔkwan a wɔbɛfa so ayi nkɛntɛnso a spatter no anya no afi hɔ kɛse. Nea edidi so yi de ano aduru ba spatter a ɛwɔ laser welding mfiridwuma mu wɔ welding mu.
Nea edi kan no, dɛn ne splash?
Splash yɛ dade a ayow a ɛtu fi ɔtare a ayɛ kusuu no mu. Bere a dade ade no adu ɔhyew a ɛyɛ hyew no akyi no, ɛsakra fi tebea a ɛyɛ den mu kɔ nsu tebea mu, na ɛkɔ so yɛ hyew na ɛbɛdan mframa tebea. Sɛ laser beam no kɔ so yɛ hyew a, dade a ɛyɛ den no dan nsu tebea, na ɛyɛ ɔtare a ayow; Afei, nsuo a ɛyɛ nsuo a ɛwɔ ɔtareɛ a ayɛ kusuu no mu no yɛ hyeɛ na 'boils'; Awiei koraa no, ade no twetwe ɔhyew ma ɛyɛ hyew, na nea ɛrefɔw no sesa nhyɛso a ɛwɔ mu no, na ɛde dade a ɛyɛ nsu a atwa ho ahyia no ba, na awiei koraa no ɛma 'splash'.
Sɛnea wodi spatter so no abɛyɛ link a wontumi mmu ani ngu so wɔ laser welding nhyehyɛe no mu. Nnwumakuw a ɛwɔ fie ne amannɔne no afi ase ayɛ nhwehwɛmu bere tenten wɔ spatter laser processing mfiridwuma a wɔbɛtew so ho. Sɛ yɛde mfiridwuma a ɛwɔ spatter a ɛba fam a laser ayɛfo atitiriw pii de ba no toto ho a, yebetumi ate wɔn nnyinasosɛm ahorow no ase na yɛate nsonsonoe mu. Wɔde dade a ɛnyɛ den mfiridwuma mu dade nhama di dwuma kɛse. Enti, ɛsɛ sɛ wɔn a wɔyɛ dade paipu no hwɛ hu sɛ weld a ɛyɛ papa bere a ɛma nneɛma a wɔyɛ no tu mpɔn no. Enti, laser welding mfiridwuma anya adwene kɛse wɔ mfiridwuma welded pipe a wɔyɛ mu, na wɔde adi dwuma kɛse. Wɔ nnansa yi mfe mu no, Hangao Tech (Seko Macher) de n’adwene asi so sɛ ɔbɛhwehwɛ adwuma no mu . Laser Welding Industrial Tube Forming Machine Pipe Making Line , na wɔde ahyɛ mu wɔ aban kwan so wɔ adetɔfo adwumayɛbea, na nneɛma no ayɛ nea adetɔfo agye atom na wɔasi so dua. Ɛwom sɛ laser welding wɔ ne mfiase wɔ field of stainless steel welded pipe production de, nanso Hangao Tech (seko mfiri) . ogye di sɛ esiane sɛ adetɔfo ho nsɛm a ɛboaboa ano kɛse saa nti, akyinnye biara nni ho sɛ ebetumi anya nkɔso kɛse wɔ saa beae yi.
Laser welding mfiridwuma wɔ ano aduru a wɔde bɛpetepete welding mu:
Ɔkwan 1: Sesa ahoɔden nkyekyɛmu a ɛwɔ laser spot no mu na amma anoa anwo, na bɔ mmɔden sɛ woremfa Gaussian beam distribution nni dwuma.
Sɛ wosakra Gaussian distribution laser beam biako no ma ɛyɛ ring + center beam a ɛyɛ den kɛse a, ebetumi atew ɔhyew a ɛkɔ soro a ɛwɔ mfinimfini ade no so no so na ama dade mframa a wɔde yɛ adwuma no so atew.
Ɔkwan 2: Sesa scanning mode no na swing welding.
Laser head swing kwan no betumi ama ɔhyew a ɛyɛ pɛ wɔ weld seam no mu no atu mpɔn na akwati sɛ ɛbɛbobɔ esiane mpɔtam hɔ hyew a ɛboro so nti. Nea ehia ara ne sɛ ɛbɛhwɛ x ne y axes a ɛwɔ motion mechanism no so na ama wɔatumi awie swing a ɛwɔ trajectories ahorow no mu.
Ɔkwan 3: Fa wavelength ntiantiaa di dwuma, ma absorption rate nkɔ soro, na fa hann bruu di dwuma na ama splashing so atew.
Esiane sɛ low-absorption wavelength ne high-power laser ntumi nsa spatter nti, sɛ wobɛsakra akɔ wavelength ntiantiaa so nso ɛ? Laser absorptivity a ɛwɔ atetesɛm mu dade mu no wɔ ɔkwan a ɛda adi sɛ ɛkɔ fam a asorɔkye tenten kɔ soro. High reflectivity non-ferrous metals te sɛ kɔbere, sika kɔkɔɔ ne nickel da adi kɛse.
Nea ɛwɔ atifi hɔ no yɛ ano aduru a ɛwɔ spatter a ɛwɔ laser welding mfiridwuma mu wɔ welding mu. Ɔhaw a wontumi nkwati no yɛ ɛyaw kɛse a ɛwɔ welding no mu no mu biako. Keyhole teateaa bi nam laser welding a ɛyɛ ɔkwan biara so so na ɛyɛ. Keyhole a ɛte saa no ntumi nnyina na ɛyɛ mmerɛw yiye sɛ ɛbɛpaapae na mpo mframa mu ntokuru, a ɛka sɛnea weld no te ne sɛnea ɛte no. Wobetumi de fiber laser a ano yɛ den ayɛ beam no ma welding, na wɔde ring core beam no abue keyhole no. Bere koro no ara mu no, wɔde mfinimfini hann no di dwuma de ma penetration bun no kɔ soro ma ɛyɛ safe tokuru kɛse a ɛyɛ den, a ebetumi asiw awo ntoatoaso a wɔde petepete no ano yiye.
