Nnianimu
Wɔ ɔfã a ɛtrɛw a ɛfa dade a wɔyɛ ne ne yɛ ho no, mediumfrequency spot welding mfiri ahorowabɛyɛ nea ɛho nhia esiane wɔn adwumayɛ a ɛkyɛn so ne nneɛma ahorow pii a wɔde di dwuma nti. Nanso, sɛ yebetumi de mfaso horow a ɛwɔ mfiri yi so adi dwuma koraa a, ɛho hia sɛ yɛte akwan horow a wɔfa so yɛ wɔn welding no ase yiye. Saa asɛm yi hwehwɛ asɛmmisa yi mu: "Afã ahe na welding nhyehyɛe a wɔde yɛ ade no yɛ."frequency spot welding afiri a wɔde yɛ nneɛmainvolve?" na ɛde nkyerɛkyerɛmu a ɛkɔ akyiri ma.
Multi-Stage Analysis a ɛfa Welding Adeyɛ no ho
Welding nhyehyɛe a wɔde yɛ mediumfrequency spot welding afiri a wɔde yɛ nneɛmawobetumi akyekyɛ mu pɛpɛɛpɛ ayɛ no nneɛma atitiriw a edidi so yi:
Ɔfa 1: Ansa na-Nhyɛso Fa
Eyi ne ade a wofi ase yɛ welding nhyehyɛe no ne fapem a wɔde hwɛ hu sɛ welding no yɛ papa. Wɔ saa bere yi mu no, welding electrode ahorow no ne adwuma no ani di nkitaho denneennen wɔ nhyɛso a ɛfata ase, na ɛyɛ beae a ɛne ne ho di nkitaho a ɛyɛ den. Botae titiriw a ɛwɔ pre-nhyɛso mu ne sɛ ebeyi nsonsonoe a ɛda nneɛma a ɛne ne ho di nkitaho ntam no afi hɔ, ahwɛ ahu sɛ nneɛma a wɔde yɛ adwuma no bɛbata ho yiye, na abubu oxide sini ahorow a ɛwɔ soro no de atew nkitahodi a ɛko tia no so. Pre-nhyɛso hwɛ hu sɛ welding current no sen yiye bere a wɔanya ahoɔden pɛnkoro no, na ɛto fapem ma ɔhyew ne melting a edi hɔ.
Ɔfã 2: Ɔhyew a Ɛma Ahoɔden Fam
Sɛ wɔwie pre-pressure phase no a, wɔma welding electrodes no ahoɔden ma ɛma welding beae no yɛ hyew. Wɔ saa bere yi mu no, welding current no ma ɔhyew kɛse ba mmeae a ɛne ne ho di nkitaho no, na ɛma ɔhyew no kɔ soro ntɛmntɛm na ɛma dade no nwene ma ɛyɛ nugget. Nneɛma te sɛ welding current, voltage, ne bere a wɔhwɛ so pɛpɛɛpɛ no ho hia na ama wɔahwɛ ahu sɛ nugget no bɛyɛ wɔ ahoɔhare ne ne kɛse a wɔpɛ so. Ɛho hia nso sɛ wosiw ɔhyew a ɛboro so ne petepete ano na ama wɔabɔ nnwinnade no ne ade a wɔde yɛ adwuma no nyinaa ho ban.
Ɔfã 3: Forging (Cooling Crystallization) Ɔfã
Sɛ nugget no du ne nsusuwii ne ne kɛse a ɛfata a, wotwa welding current no, na adeyɛ no hyɛn forging (cooling crystallization) phase no mu. Wɔ saa bere yi mu no, welding electrode ahorow no kɔ so de nhyɛso ba beae a wɔde welding no yɛ, na ɛma nugget no dwo na ɛyɛ ahwehwɛ wɔ ahoɔden mu. Botae titiriw a ɛwɔ forging mu ne sɛ ɛbɛhwɛ sɛ dade a ayɛ ahwehwɛ no bɛkyekyere denneennen, na wɔakwati sintɔ ahorow te sɛ shrinkage cavities anaa mpaapaemu, bere a ɛma ahoɔden ne sealing a ɛwɔ welded joint no mu no yɛ kɛse. Nhyɛso ne bere a wɔhwɛ so pɛpɛɛpɛ no ho hia na ama wɔahwɛ ahu sɛ ɛbɛyɛ den koraa na wɔayɛ weld a ɛyɛ papa-.
Awie
Welding nhyehyɛe a wɔde yɛ mediumfrequency spot welding afiri a wɔde yɛ nneɛmayɛ multi-stage, pɛpɛɛpɛ-adwuma a wɔhwɛ so. Ɛnam synergistic nsunsuanso a pre-nhyɛso, ahoɔden ɔhyew, ne forging, hwɛ hu sɛ welded nkwaa no su ne nea egyina pintinn. Wɔ dwumadie a ɛyɛ adwuma mu no, ɛsɛ sɛ wɔyɛ nsakraeɛ wɔ welding parameters ne akwan a wɔfa so yɛ no mu wɔ ɔkwan a ɛyɛ mmerɛw so a egyina ahwehwɛdeɛ pɔtee ne adwumayɛbea su so na ama wɔanya aba a ɛyɛ papa.
Bio nso, nnwinnade no siesie ne ne hwɛ daa ho hia na ama wɔahwɛ ahu sɛ ɛyɛ adwuma a ɛyɛ den bere tenten-.
