Spot welding afiri Nnianim asɛm .

Spot welding mfiri no mu akyekyɛ ayɛ amansan su (general type) ne soronko type sɛnea wɔn dwumadie te; Single-point type, double-point type ne multi-point type sɛnea welding points dodow te welded bere koro mu; afã biako ne afã abien sɛnea ɔkwan a wɔfa so fa nsu mu no te; nan a wɔde yɛ adwuma, motor-cam type, mframa a wɔde yɛ adwuma, hydraulic type ne compound type (pneumatic ne hydraulic type) sɛnea ɔkwan a wɔfa so de nhyɛso afiri no kɔ no te; non-automatic type ne automatic type sɛnea adwumayɛ su te; Fixed type, mobile type anaa portable type (hanging type) sɛnea instɔlehyɛn kwan no te; vertical stroke (electrode no kɔ linearly) ne circular stroke sɛnea electrode a ɛyɛ adwuma (mpɛn pii no ɛlɛtrɔnik a ɛwɔ soro) a ɛwɔ welding afiri no mu no kɔ no; Industrial Frequency Welding Machine (a wɔde 50 Hz AC tumi a wɔde ma), pulse welding afiri (DC pulse welding afiri, ahoɔden a wɔkora so welding afiri, etc.), variable frequency welding afiri (te sɛ low frequency welding afiri) sɛnea anyinam ahoɔden ahoɔden a wɔde ma.
Sɛ wɔde adwuma no ne electrode no si hɔ a, adwuma no ahoɔden a ɛko tia no gyina ne resistivity. Enti, resistivity yɛ ade a ɛho hia a ɛwɔ welded ade. dade a ɛwɔ resistivity a ɛkorɔn no wɔ conductivity a enye (te sɛ stainless steel) na dade a ɛwɔ resistivity a ɛba fam no wɔ conductivity pa (such alloy) Enti ɛyɛ den sɛ wɔbɛtow agu, na ɛyɛ den sɛ wɔbɛyi wɔn ho adi, na ɛyɛ mmerɛw Ɛyɛ den sɛ wobɛma ɔhyew aba nanso ɛnyɛ den sɛ wobɛpaapae ɔhyew mu bere a spot welding aluminum alloy. bere a spot welding, kan no betumi de current ketewaa bi adi dwuma (mpectes pii), bere a akyiri yi no ɛsɛ sɛ ɛde current kɛse (amperes mpempem du du). resistivity gyina type of the type of metal, processing state and temperature method{}5{}5
Sɛnea ɛbɛyɛ a wobɛhwɛ ahu sɛ molten core no kɛse ne ahoɔden a ɛwɔ weld no mu no, welding bere ne welding current no betumi ayɛ nea ɛbɛboa wɔn ho wɔn ho wɔ range bi mu. mu sɛnea ɛbɛyɛ a wobenya weld a ahoɔden pɔtee bi, current kɛse ne bere tiaa bi (a ɛyɛ den tebea, a wɔsan frɛ no hard specifications) no betumi de adi dwuma, anaa bere tenten bi a wɔde di dwuma (weak specific, can soft, can soft, can soft,) Adwumayɛ, ne kɛseɛ ne ne tumi a ɛwɔ dadeɛ welding afiri a wɔde di dwuma. mu no wɔ soro ne ase anohyetoɔ ma current ne berɛ a ɛhia ma dadeɛ a ɛsono adwumayɛ ne kɛseɛ, a ɛbɛdi nkonim berɛ a wɔde di dwuma.
Electrode nhyɛso no wɔ nkɛntɛnso kɛse wɔ total resistance r ntam electrode abien. ntam bere a electrode nhyɛso kɔ soro no, R so tew kɛse, bere a nkɔanim wɔ welding current no nyɛ kɛse na entumi nnya nkɛntɛnso wɔ ɔhyew awo ntoatoaso a ɛnam R{1}} a ɛso tew no so nti, ahoɔden a ɛwɔ weld spot bere nyinaa so tew bere a welding pressures no kɔ soro sen nea ɛkɔ soro{2{2{2{2{2{2{2{2{2{2{2{2{2{2{2{2{2{2{2{2{2{2{2{2{2{2}.