Bere a etwaam no, nneɛma 4 na ɛwɔ hɔ a ɛka dade welding no adwumayɛ, a nneɛma mu nneɛma ka ho. Ɛnnɛ, momma yɛnhwɛ nneɛma abiɛsa a aka no.
2. Nneɛma a wɔde yɛ adwuma .
Nneɛma a wɔde yɛ adwuma no bi ne welding kwan, welding process parameters, welding sequence, preheating, post-heating ne post-welding heat treatment. Welding kwan a automatic welding tracking nhyehyɛe no de di dwuma no wɔ nkɛntɛnso kɛse wɔ weldability no so, a ɛda adi titiriw wɔ ɔhyew fibea no su ne ahobammɔ tebea horow no mu.
Welding akwan horow wɔ ɔhyew fibea ahorow koraa wɔ tumi, ahoɔden a ɛyɛ den, ne ɔhyew a ɛsen biara ho. Metals welded wɔ ɔhyew fibea ahorow ase bɛkyerɛ welding adwumayɛ ahorow. Sɛ nhwɛso no, tumi a ɛwɔ electroslag welding mu no yɛ kɛse yiye, nanso ahoɔden a ɛwɔ mu no sua koraa, ɔhyew a ɛsen biara no nyɛ kɛse, ɔhyew no yɛ brɛoo wɔ welding mu, na bere a wɔde tena ɔhyew a ɛkɔ soro no yɛ tenten, na ɛma ɔhyew a ɛwɔ beae no mu aburow no yɛ mmerɛw na nkɛntɛnso a ɛyɛ den no so tew kɛse. Ɛsɛ sɛ wɔyɛ no sɛnea ɛte daa. tu mpɔn. Nea ɛne eyi bɔ abira no, akwan te sɛ electron beam welding ne laser welding no wɔ ahoɔden a ɛba fam, nanso ahoɔden a ɛkɔ soro ne ɔhyew a ɛkɔ so ntɛmntɛm. Bere a ɔhyew a ɛkɔ soro no tra hɔ no yɛ tiaa, beae a ɔhyew ka ho no yɛ ketewaa koraa, na asiane biara nni hɔ sɛ aburow benyin.
Siesie welding dwumadie no parameters, fa preheating, post-heating, multi-layer welding na hwɛ interlayer temperature ne process measures foforɔ so de siesie na hwɛ welding thermal cycle no so, na ɛnam so sesa weldability a ɛwɔ dadeɛ no mu. Sɛ wɔyɛ nneɛma te sɛ preheating ansa na welding anaa ɔhyew ayɛ no aduru bere a wɔayɛ welding awie no a, ɛyɛ yiye koraa sɛ wobenya welded nkwaa a mpaapaemu sintɔ ne adwumayɛ ho ahwehwɛde ahorow a wobedi ho dwuma.
Sɛ wopɛ sɛ woyɛ dade a ɛnyɛ den a wɔde yɛ mfiridwuma mu nsu afiri a ɛyɛ hyew a, wɔkamfo kyerɛ kɛse wɔ WELD akyi kɛse. Efisɛ ɛwom sɛ wɔde ɔhyew ayɛ dade no ansa na wɔayɛ de, nanso ade no mu adwennwen da so ara kɔ soro bere a wɔabɔ wɔn ho wɔn ho na wɔayɛ no nnidiso nnidiso no. Nanso, ɔhyew a wɔde yɛ adwuma wɔ welding akyi no ntumi mma mframa no mu nyɛ den na ɛma mframa a ɛbɔ ho ban no yɛ yiye nko, na mmom ɛbɛma weld no ayɛ papa na ama nneɛma no ayɛ mmerɛw. Sɛ nneɛma a wɔde yɛ ɔhyew no yɛ kɛse a, wubetumi asusuw ho . Hangao Tech (Seko mfiri) ɔhyew a wɔkora so type annealing afiri a ɛhyerɛn . Induction ɔhyew . Ɛwɔ ɔhyew a wɔkora so kɛse sen annealing a ɛyɛ mmerɛw, a ebetumi ama dade no ayɛ ductility yiye na ayɛ tensile resistance.
3. Nneɛma a wɔde yɛ nhyehyɛe .
Titiriw no kyerɛ design kwan a welded structure ne welded joints, te sɛ nkɛntɛnso a structure nsusuwii, kɛse, thickness, joint groove form, weld layout ne cross-sectional shape, ne nea ɛkeka ho wɔ weldability so. Ne nkɛntɛnso no da adi titiriw wɔ ɔhyew a wɔde kɔ baabi foforo ne ahoɔden tebea mu. Mprɛte no mu duru ahorow, nkwaa ahorow anaasɛ groove nsusuwii ahorow no wɔ ɔhyew a ɛkɔ soro ahoɔhare kwankyerɛ ahorow ne ɔhyew a ɛkɔ so ntɛmntɛm, a ɛbɛka crystallization kwankyerɛ ne aburow nyin a ɛwɔ ɔtare a ayow no mu. Switch a ɛwɔ structure no mu, mprɛte no mu duru ne sɛnea wɔahyehyɛ welding seam no, ne nea ɛkeka ho no, na ɛkyerɛ sɛnea nkwaa no yɛ den na ɛba fam, na ɛka adwennwen tebea a ɛwɔ nkwaa no mu. Crystalline morphology a enye, adwennwen a emu yɛ den ne welding adwennwen a ɛboro so ne tebea atitiriw a ɛma welding mpaapaemu ba. Wɔ nhyehyɛe no mu no, nkwaa a ɛyɛ den a wɔtew so, mmeamudua so weld a wɔtew so, ne nneɛma ahorow a ɛma nhyɛso ba no so tew yɛ nneɛma a ɛho hia a wɔde bɛma weldability atu mpɔn.
4. Tebea a wɔde di dwuma .
Ɛkyerɛ adwumayɛ hyew, adesoa tebea ne adwumayɛ kwan a welded nhyehyɛe no wɔ ɔsom mu. Saa adwumayɛbea ne adwumayɛ tebea yi hwehwɛ sɛ welded nhyehyɛe no nya adwumayɛ a ɛne no hyia. Sɛ nhwɛso no, ɛsɛ sɛ welded structures a ɛyɛ adwuma wɔ ɔhyew a ɛba fam mu no nya brittle fracture resistance; Ɛsɛ sɛ adan a ɛyɛ adwuma wɔ ɔhyew a ɛkɔ soro mu no nya creep resistance; Nneɛma a ɛyɛ adwuma wɔ nnesoa a ɛsesa so no wɔ ɔbrɛ a ɛyɛ papa a ɛko tia; Adwuma wɔ acid, alkali anaa nkyene media mu Ɛsɛ sɛ welded container no nya corrosion resistance kɛse ne nea ɛkeka ho. Ne tiaatwa mu no, dodow no ara na tebea horow a wɔde di dwuma no yɛ den no, dodow no ara na ahwehwɛde ahorow a ɛwɔ hɔ ma welded joints no kɔ soro, na ɛnyɛ nea ɛbɛyɛ yiye sɛ wɔbɛhwɛ ma nneɛma no ayɛ weld.
