Hwɛ: 0 Ɔkyerɛwfo: Kevin tintim bere: 2024-06-27 mfiase: Beaeɛ
Wɔ afuw mu mfiridwuma stainless dade welding, sɛnea ɛbɛyɛ a wobenya a ɛkorɔn weld su. Wɔde argon arc welding (TIG) nhyehyɛe bi bedi dwuma. Sɛ wɔde weld no hyɛ ɔkwan a wɔfa so yɛ no so, bere a welding ahoɔhare no kɔ soro no, arc no bɛtwe, na dodow a ahoɔhare no yɛ ntɛmntɛm no, dodow no ara na ɛda adi pefee sɛ ɛkɔ mu, na ɛno bɛka welding no su.
Electromagnetic control mfiri a Hangao ayɛ no wɔ electromagnetic stability, arc no renhinhim akyi anaa benkum anaa nifa, na ɔhaw a ɛwɔ undercutting ne 'humping' mu no renba. Enti ama nkɔso a ɛba wɔ nneɛma a wɔyɛ mu no atu mpɔn bere a ɛhwɛ hu sɛ ɛyɛ papa, na wɔama nkɔso ahoɔhare a ɛyɛ 20-30% no ayɛ nokware wɔ nneɛma a wɔyɛ ankasa mu. Wobetumi ayɛ nsakrae wɔ anyinam ahoɔden a ɛwɔ anyinam ahoɔden mu no kɛseyɛ mu ma ɛne welding currents ne ahoɔhare ahorow ayɛ adwuma.
Sɛnea wɔakyerɛ wɔ Mfonini 1 mu no, ɔhaw ahorow a ɛba fam wɔ weld no afã abien no nyinaa, na 'hump' ɔhaw bi wɔ weld no mu ne akyi. Titiriw ma mfiridwuma welded pipes, ahotew pipes, bere a undercut haw no nyɛ mmerɛw, ɛbɛma residual nsu na asɛe dade pipe. Ɛsan nso de adwennwen a ɛyɛ mmerɛw ba. Enti, wɔ mfiridwuma mu welded pipes mu no, sɛnea ɛbɛyɛ a wobenya welds a ɛyɛ papa no, ɛho hia sɛ wɔtew welding ahoɔhare so na wɔhwɛ hu sɛ welding no yɛ papa.
Sɛnea ɛbɛyɛ a wobedi ɔhaw yi ho dwuma no, yɛn adwumakuw no ayɛ arc welding arc stabilizer, arc no renhinhim akyi anaa benkum ne nifa, ɔhaw a ɛfa undercut ne 'hump' ho no renna adi (sɛnea wɔakyerɛ wɔ Mfonini 2 mu no). Ɛnyɛ sɛ ɛma nneɛma a wɔyɛ no tu mpɔn nko na mmom ɛma ɛyɛ papa nso. Wɔadi ahoɔhare a ɛkɔ soro a ɛyɛ 20-30% no ho adanse wɔ nneɛma a wɔyɛ ankasa mu. Wɔ adwumayɛ ankasa mu no, wobetumi asiesie anyinam ahoɔden tumi no ma ɛne welding currents ne ahoɔhare ahorow ayɛ adwuma.