Bere a gyinapɛn ahorow a ɛfa nneɛma pa ne data a wodi so kɔ so yɛ den wɔ kar a wɔde ma no nyinaa mu no, wɔn a wɔyɛ nneɛma a wɔde yɛ nneɛma pii rehu sɛ atetesɛm mu welding akwan no ntumi nhyia nea wiase nyinaa OEMfo hwɛ kwan bio. Tier-2 kar akwaa yɛfo bi a ɔwɔ China Apuei fam no ankasa suaa saa asuade yi bere a odii nkogu mpɛn pii wɔ Tesla a wɔde nneɛma ma no akontaabu mu esiane weld a wɔde petepete so dodo, nhama a wɔsɛe no boro 6%, ne sɛnea wontumi mfa welding ho nsɛm a wotumi hwehwɛ mu mma nti.
Wɔ afe 2024 mu no, adwumakuw no de Haifei high-efficiency projection welding adwumayɛbea dii dwuma. Asram abiɛsa pɛ akyi a wɔde yɛɛ nhyehyɛe no mu nkɔso ne nea wɔagye atom no, nea ɔde ma no nyaa 99.8% a edi kan-pass yield, 100% weld data traceability, ne 18% a ɛso tew unit welding ka-awiei koraa no, ɛmaa wonyaa production nomination a ɛyɛ soronko wɔ Tesla supply chain no mu.
Saa asɛm yi nkyerɛ sɛ ɛnyɛ nnwinnadeɛ a wɔayɛ no yie nko, na mmom nsakraeɛ a ɛtrɛ nso wɔ sɛdeɛ welding nhyehyɛeɛ a ɛkɔ anim resan akyerɛkyerɛ wɔn a wɔde nneɛma ma no akansi mu wɔ kar a wɔyɛ mu a ɛkorɔn{0}}awieɛ mu.
Nnwumayɛbea Akyigyina: Gyinapɛn a Ɛrekɔ Anim wɔ Kar Welding Mu
Esiane sɛ wɔagye nneɛma a emu yɛ hare ne nneɛma a ahoɔden kɛse -agye atom kɛse nti, welding ahwehwɛde ahorow wɔ kar adwumayɛ mu nyinaa abɛyɛ nea ɛyɛ den kɛse. Nneɛma te sɛ 1500 MPa press-dade a ayɛ den de anohyeto a emu yɛ den to ɔhyew a wɔde hyɛ mu, ɔhyew-a ɛka beae kɛse, ne post-weld mfiri adwumayɛ ho.
Amanneɛ kwan so tumi-frequency resistance welding taa di aperepere sɛ wobedi saa ahwehwɛde ahorow yi ho dwuma, na ɛtaa de nneɛma no yɛ hyew, ɛyɛ den a ɛyera, anaasɛ nkwaa no su a ɛnkɔ so pɛpɛɛpɛ ba. Nea ɛne eyi bɔ abira no, nnɛyi projection welding adwumayɛbea ahorow a wɔde ahoɔden a wɔde di dwuma pɛpɛɛpɛ ne automated process monitoring ahyɛ mu ma no betumi de weld su a wotumi san yɛ bio kɛse ama bere a ɛtew dade a wɔsɛe no so no.
Automated welding systems taa nya first-pass yield rates a ɛboro 99.5%, bere a manual anaa low-end systems taa sakra kɔ fam sen 90%, na ɛde rework ka a ɛkɔ soro ne audit risks ba.
Nkɔsoɔ Biako: Press-Hardened Steel Welding Challenge no ano aduru
Adetɔfoɔ no dwumadie no hwehwɛɛ sɛ wɔde welding M8 nuts gu 1500 MPa press-hardened steel components so. Esiane sɛ ade no yɛ den kɛse na ɛyɛ ductility a ɛba fam nti, akwan a wɔfa so yɛ welding a wɔtaa fa so no de ɔhyew a ɛboro so bae, na ɛde annealing nsunsuanso bae na ɛtew base-nneɛma ahoɔden-ɛnyɛ-a ɛne Tesla nneɛma no adwumayɛ ho nkyerɛkyerɛmu nhyia.
Haifei projection welding adwumayɛbea no de capacitor discharge welding mfiridwuma di dwuma, a discharge bere tenten bɛyɛ 5 ms. Saa ahoɔden tiawa a wɔayi no adi yi to ɔhyew a wɔde ba no ano hye kɛse, na ɛma beae a ɔhyew-ka no kɔ so yɛ nea ɛba fam sen mm 1.5. Post-weld hardness retention boroo 96%, na ɛdi Tesla ahwehwɛdeɛ a ɛfa press-hardened steel assemblies ho no ho dwuma koraa.
Saa nhyehyɛe a wɔde di dwuma yi ma wɔn a wɔyɛ nneɛma no nya welds a ɛyɛ den, a ɛkɔ so daa bere a wɔkora mfiridwuma mu mudi mu kura a ɛwɔ dade a ɛkɔ anim a ahoɔden kɛse wom-de so no so.
Nkɔsoɔ a ɛtɔ so mmienu: Sɛ wobɛnya 100% Weld Quality Traceability
Wɔ nnɛyi kar OEM ahorow fam no, aba a ɛkɔ soro nkutoo nnɔɔso bio. Tesla hwehwɛ sɛ wɔkyerɛw weld point biara ankorankoro, wotumi hwehwɛ mu, na wotumi bu ho akontaa-a ɛma dijitaal quality management yɛ tumi a ɛyɛ ahyɛde sen sɛ ɛbɛyɛ mfaso foforo.
Haifei nhyehyɛe no kɔ so kyere welding parameters a ɛho hia wɔ bere ankasa mu, a mprempren, ahoɔden, electrode ahoɔden, ne ahoɔden a ɛko tia ka ho. Weld biara yɛ automatically linked to soronko part serial number na uploaded to customer no MES nhyehyɛe, hwɛ hu sɛ data nyinaa kɔ so.
Auditors betumi agye waveform data ne parameter records ama ankorankoro weld point biara bere biara. Saa tumi yi maa ɔdemafoɔ no tumi twaa IATF 16949 adansedie ne Tesla on-site "flying audit" a wanyɛ nteɛsoɔ, na ɛmaa ɔdemafoɔ no penee ntɛmntɛm kɛseɛ.
Wɔ nnwuma mu no, real-bere data traceability nso ma kwan ma wohu process drift ntɛm, siw quality deviations ano ansa na akɔ soro akɔ batch-level defects mu.
Nkɔsoɔ Abiɛsa: Kyinhyia Bere a Wɔyɛ no Yiye ne Ka a Wɔtew So
Ansa na wɔreyɛ adwuma wɔ ɔkwan a ɛyɛ adwuma so no, na adwumayɛbea a wɔyɛ nneɛma no de wɔn ho to nsaano welding stations a wɔde kyinhyia bere bɛyɛ sikɔne 9 wɔ ɔfã biara mu, na ɛhwehwɛ sɛ wɔyɛ adwuma abien na ɛda nsakrae a ɛtaa da adi esiane nnipa nneɛma nti.
Haifei ano aduru no kaa automatic feeding, floating welding guns, ne NG (non-conforming part) pow boom yɛɛ no adwumayɛbea biako. Ne saa nti, wɔtew bere a wɔde twa kyinhyia no so kɔɔ sikɔne 3.2 wɔ ɔfã biara mu, na na ɛsɛ sɛ obiako pɛ na ɔhwɛ so na ɔhwɛ so.
| Metric | Ansa na Wobɛyɛ Upgrade | Afei Upgrade akyi | Mpuntuo |
|---|---|---|---|
| Bere a wɔde sakre tu kwan | 9.0 s/ɔfã bi | 3.2 s/ɔfã | ~64% ntɛmntɛm |
| Adwumayɛfo a wɔhwehwɛ | 2 adwumayɛfo | 1 adwumayɛfo | 50% a wɔatew so |
| Unit welding ho ka | RMB 1.35 na ɛwɔ hɔ | RMB 1.11 na ɛwɔ hɔ | 18% a wɔatew so |
| Afe afe sika a wɔde sie | - | >RMB ɔpepem 2 | Nkɛntɛnso a ɛho hia a ɛfa ɛka a wɔbɔ ho |
Saa mfaso horow yi kyerɛɛ ase tẽẽ kɔɔ nneɛma a wɔyɛ no kɛse, nea ɛkɔ so pɛpɛɛpɛ, ne nneɛma a wɔyɛ nyinaa ho ka a ɛso tew kɛse mu.
Nkɔsoɔ Anan: Nneɛma a Wɔde Di Dwuma Ntɛmntɛm ne Mfiridwuma Mmoa a Wɔde Ma wɔ Mpɔtam Hɔ
Bere-kosi-yɛyɛ no yɛ ade titiriw ma adwuma no. Efi ahyɛde a wosii so dua so kosi ahoboa a wɔyɛe koraa so no, wowiee dwumadie no nyinaa wɔ nnafua 45 ntam. Haifei wiee nhyehyɛɛ a wɔayɛ no sɛnea wɔpɛ no wɔ nnafua 7 mu, de nhyehyɛe a edi mũ no mae wɔ nnafua 20 mu, na wɔde mfiridwumayɛfo kɔɔ-beae hɔ sɛ wɔmmoa ahyɛde ne pilot production.
Post-installation, akyirikyiri diagnostics module maa wotumi siesiee mfiri ho nsɛm bɛboro 90% wɔ nnɔnhwerew 48 mu, hwɛ hui sɛ nneɛma a wɔyɛ no gyina pintinn na ɛtew bere a wɔanhyɛ da anyɛ ho nhyehyɛe.
Saa nneɛma a wɔde ma ntɛmntɛm ne dwumadie a ɛwɔ mpɔtam hɔ a wɔaka abom yi brɛɛ adwumayɛ mu asiane ase kɛseɛ wɔ ramp-up berɛ mu.
Awiei: Efi "Able to Weld" so kosi "Compliant, Controlled, and Verifiable" so.
Wɔ kar a wɔde ma a ɛkorɔn-awieɛ mu no, welding mfiri nyɛ adwinnadeɛ a wɔde yɛ nneɛma kɛkɛ bio-ɛyɛ ade titire a ɛma wotumi di mmara so yie, dwumadie sohwɛ, ne digyital akontaabuo. Weld a wobenya ara kwa no nnɔɔso. OEMfo hwehwɛ weld ahorow a ɛne nneɛma gyinapɛn ahorow hyia, denam akwan a wɔagye atom so di so, na wɔde data a wotumi hwehwɛ mu boa koraa.
Wɔ Tier-2 ne Tier-3 adwumayɛfo pii fam no, welding nhyehyɛe ahorow a wɔbɛpaw a wɔwɔ amanaman ntam adwumayɛ mu osuahu a wɔada no adi ne nneɛma a wɔyɛ ho nimdeɛ a emu dɔ no abɛyɛ anammɔn titiriw a wɔde hyɛn wiase nyinaa Tier-1 abɔde a nkwa wom nhyehyɛe mu.
