Wɔ ɛlɛtrɔnik mfiri a ɛyɛ pɛpɛɛpɛ, EV battery nhyiam, ne hardware a wɔyɛ mu no,...Ahoɔden a Wɔde Siesie Welding Afirine nea wɔpɛ esiane sɛ ahoɔden a ɛba ntɛmntɛm ne nkɛntɛnso ketewaa bi a ɛwɔ mpɔtam hɔ anyinam ahoɔden nhyehyɛe so nti. Nanso, mfiridwuma mu akwanside a ɛtaa ba a wonim no sɛ "Shunt Effect" betumi ama welding current atwe ne ho afi ɔkwan a wɔpɛ sɛ wɔfa so no ho, na ɛde nkwaa a ɛyɛ mmerɛw ne nugget a ɛnyɛ pɛpɛɛpɛ aba.
Shunting nsɛe ahoɔden kɛkɛ; ɛde asiane ahorow a ahintaw a ɛfa su pa ho te sɛ weld a ɛyɛ nwini anaasɛ ɔdan no huammɔdi ba. Saa asɛm yi hwehwɛ nea ɛde shunting ba ntini mu na ɛde ano aduru a wɔada no adi wɔ afuw mu-ma a ɛbɛma wo welding nhyehyɛe no ayɛ papa.
Dɛn ne Shunt Effect no?
Shunting ba bere a welding current no fã bi twa baabi a wɔpɛ sɛ wɔde di nkitaho wɔ electrode ahorow no ntam no ho na ɛsen fa ɔkwan foforo bi so, te sɛ weld a wɔadi kan awie anaasɛ contact point a ɛbɛn hɔ no.
Efisɛ Afiri a Wɔde Siesie Ahoɔden a Wɔde Sie no yi ahoɔden a ɛwɔ mu nyinaa gu wɔ sekan fã ketewaa bi mu (mpɛn pii no3ms kosi 10ms), mprempren ɔha biara mu nkyem ketewaa bi mpo betumi atew ɔhyew a ɛba wɔ weld ntam no so kɛse, na asiw nugget a ɛfata ano.
Nneɛma Titiriw 5 a Ɛde Shunting Ba
1. Weld Spacing (Pitch) a Ɛmfata .
Eyi ne ade a ɛtaa de ba. Sɛ wɔyɛ weld nugget pɛ a, saa beae no bɛyɛ nea ɛma nsu fa mu kɛse. Sɛ wɔde weld a edi hɔ no bɛn dodo a, fi awosu mu no, current no bedi ɔkwan a ɛnyɛ den koraa no akyi afa nugget a ɛwɔ hɔ dedaw no mu sen sɛ ɛbɛfa contact point foforo no mu.
Nnwuma Ho Akwankyerɛ:Sɛnea mmara kyerɛ no, anyɛ yiye koraa no, ɛsɛ sɛ mfinimfini-kɔ{1}}mfinimfini kwan a ɛda weld ahorow ntam no yɛ3 mpɛn dodow a ɛyɛ denno mu nneɛma a wɔde yɛ adwuma no.
2. Ahotew a Ɛnyɛ Yiye
Ngo, oxidation a emu yɛ duru, anaasɛ nneɛma a wɔde kata so ma...nkitahodi a ɛko tiawɔ beae a wɔde weld a wɔde asi wɔn ani so no.
Nea Efii Mu Bae:Sɛ wɔde resistance a ɛkorɔn "siw" botaeɛ kwan no ano a, mprempren no hyɛ ne ho fa akwan foforɔ, a ɛba fam-resistance akwan so, na ɛde ahoɔden a ɛyera ne fusion a ɛnnɔɔso ba.
3. Electrode Tebea a Asɛe
Electrodes a asɛe, ɛnyɛ pɛpɛɛpɛ, anaa "mushroomed" ma contact surface area no yɛ kɛse.
Nea Efi Mu Ba:Ɛnyɛ sɛ electrode tip a wɔde nsenia ayɛ no ma current density so tew nko, na mmom ɛma ɛyɛ mmerɛw sɛ current no bɛtwe akɔ nneɛma a atwa ho ahyia no mu nso.
Data Point:Nkɔanim a ɛbae wɔ20%wɔ electrode tip diameter betumi ama a30%mprempren density a ɛso tew, na ɛma shunting yɛ kɛse.
4. Nneɛma a Ɛyɛ Den ne Stack-up
Nneɛma a ɛyɛ den ne multi-layer stacks (sɛ nhwɛso no, abiɛsa-layer welding) ma cross-sectional beae kɛse ma current no tu kwan fa mu. Eyi ma ɛyɛ yiye sɛ emu shunting wɔ ade no ankasa mu sɛ wɔde toto abien{6}}layer nkwaa a ɛnyɛ den ho a.
5. Conductive Fixtures ne Nnwinnade a Wɔde Yɛ Adwuma
Ɔhwɛ a wɔtaa yɛ ne sɛ wɔde welding fixtures a ɛnyɛ-insulated di dwuma. Sɛ fixture no yɛ conductive na ɛne adwuma no di nkitaho a, discharge no fã bi bɛtu fa adwinnade no mu, na ama ahoɔden kɛse ayera.
Ano aduru a mfaso wɔ so a ɛbɛma Shunting ayɛ ketewaa bi
1. Akwankyerɛ a Wɔde Di Dwuma Ho Nhyehyɛe
Yɛ wo welding nnidiso nnidiso ne wo ntam kwan ho nhyehyɛe na woakwati nsusuwii a ɛyɛ den dodo.
Pro Tip:Sɛ ɛho hia sɛ wɔyɛ welding a ɛwɔ density a ɛkorɔn a, susuw ho sɛAhoɔden a Wɔde Siesie Welding Afiria ahoɔden dodow a ɛkorɔn de tua ahoɔden a wɔhwere no ka denam parameter nsakrae a wɔadi kan-ahyɛ no so. Fa "center-outward" anaa staggered sequence di dwuma de hwɛ ɔhyew ne anyinam ahoɔden akwan so.
2. Ahoɔden a Ɛkɔ So Daa Nneɛma a Wɔde Di Dwuma
Sɛnea electrode ahoɔden gyina pintinn no ho hia kɛse wɔ anAhoɔden a Wɔde Siesie Welding Afiri.
Afotu a Wɔde Di Dwuma:Electrode nhyɛso a ɛkɔ soro kakra betumi ama contact resistance no so atew wɔ beae a wɔde wɔn ani asi so no, na ama ayɛ ɔkwan a wɔpɛ ma mprempren no. Hwɛ hu sɛ wo mfiri no kura ahoɔden a ɛsen biara mu wɔ bere pɔtee a ɛretu no.
3. Electrode a Wɔde Siesie Nneɛma a Wɔahyɛ Da Ayɛ
Afotu a Wɔde Di Dwuma:Fa electrode dressing nhyehyɛe a ɛyɛ katee si hɔ-sɛ nhwɛso no, biara500 kosi 1,000 a wɔde yɛ weldgyina asɛm no so. Fa nnwinnade titiriw a wɔde siesie nneɛma di dwuma na ama woakura mfitiase tip geometry mu na hwɛ hu sɛ mprempren adwene a ɛkɔ so daa no kɔ so.
4. Surface Pre-ayaresa Protocols
Sɛ wopɛ dade a wɔabobɔw a ɛyɛ hyew anaa nneɛma a wɔde oxidized ayɛ a, fa pre-ahotew fã te sɛ pickling, polishing, anaa ultrasonic ahotew di dwuma.
ROI no:Sɛ wosiesie ɔfasu no yiye a, ebetumi atew weld dodow a asɛe no so dodo15%na ɛtrɛw wo nneɛma a wode di dwuma no nkwa nna mu kɛse.
Afotu a Ɛfa Paw Ho: Sɛnea Wobɛtɔ Shunt-Afiri a Ɛko Tia
Bere a wɔresusuw anAhoɔden a Wɔde Siesie Welding Afiri, hwɛ kɔ akyiri sen bo a wɔakyerɛw no na fa w’adwene si mfiridwuma mu nneɛma yi so:
- Charging Pɛpɛɛpɛ:Ɛsɛ sɛ high-end models ma charging pɛpɛɛpɛ wɔ mu±0.5%sɛnea ɛbɛyɛ a wɔbɛhwɛ ahu sɛ nsu a wɔde gu nipadua no mu biara fi ase fi mfiase a ɛkɔ so daa.
- Frame no a Ɛyɛ Den:C-frame anaa gantry nhyehyɛe a ɛyɛ den hwɛ hu sɛ electrode ahorow no ntumi nkɔ baabi foforo wɔ nhyɛso kɛse ase, na ɛkura contact point pɔtee a ehia na wɔde ako atia shunting no mu.
- Intelligent Process Nhomakorabea ahorow:Fa mfiri a wɔde nneɛma database a wɔasisi-wɔ mu a ɛkyerɛ sɛ voltage/force nkabom a eye sen biara ma wo nneɛma pɔtee no mu duru di kan.
Awie
Bere a wontumi nyi shunting a ɛwɔ Energy Storage Welding Machine mu no mfi hɔ koraa esiane abɔde mu nneɛma ho mmara nti no, wobetumi adi so denam nyansa nhyehyɛe, nsiesie a emu yɛ den, ne ahoɔden a wɔde di dwuma pɛpɛɛpɛ so.
