Abokin ciniki: Matsayin matsakaicin matsakaicin matakin Turai 2 Mai ba da Mota
Masana'antu: Motoci Tsarin Brackets
Ƙimar Aikin: Tsarin Mutuwar Ci gaba, Masana'antu & Samar da Jama'a
Abokin Hulɗa: Karfe bugawa Sassan.ltd - Daidaitaccen Karfe bugawa na China
1. Fagen Abokin Ciniki
Abokin cinikinmu, ingantaccen mai siyar da Tier 2 wanda ke ba da manyan motocin OEM na Turai, yana samar da shingen ƙarfafa ƙarfe da aka yi amfani da su a gaban manyan taro na ƙasa. Bangaren - 2.8 mm mai kauri mai kauri mai kauri mai kauri (SAPH440 grade) mai aunawa kusan 120 mm × 85 mm - yana da aminci-mahimmanci, yana buƙatar daidaitaccen aikin injiniya a duk faɗin samarwa mai girma.
A lokacin haɗin gwiwa, buƙatun abokin ciniki na shekara-shekara ya tsaya a 2,000,000 guda, tare da tsinkayar tsarin rayuwa wanda ya kai shekaru 7. Tsarin masana'anta na yanzu ya dogara da Saitin kayan aiki guda huɗu na tashoshi guda ɗaya: blanking, huda, kafawa, da taɓa kowane wanda aka kashe akan matsi daban-daban. Wannan rarrabuwar guguwar aikin tana buƙatar masu sarrafa injin guda huɗu, saitin latsa huɗu, da mahimman kayan aikin-in-ci gaba (WIP) tsakanin tashoshi. Farashin guda ɗaya ya ƙaru a $1.82, adadi da ƙungiyar sayayyar abokin ciniki ta ga ba ta dawwama sakamakon hauhawar farashin-saukar matsin lamba daga abokin ciniki na OEM.
Abokin ciniki ya tunkare mu da taƙaice bayyananne: rage farashin naúrar ƙasa $1.20 yayin da lokaci guda ke ninka kayan aikin kowane wata daga 80,000 zuwa guda 160,000 - duk ba tare da yin sulhu da tsattsauran ra'ayi ba mm ± 0.05 juriyar juzu'i da ake buƙata don walƙiya ta atomatik a layin taron OEM.
2. Kalubale
Ƙuntatai masu haɗin kai guda uku sun bayyana wahalar fasaha na wannan aikin:
Tattalin Kuɗi. Kudin rukunin da ke akwai na $1.82 ana buƙatar faɗuwa da aƙalla 34%. A raka'a miliyan 2 na shekara-shekara, wannan yana wakiltar tanadin da ya haura dala miliyan 1.2 a cikin shekarar ƙira ɗaya - wanda ba shi da mahimmanci ya nemi wani balagagge mai hatimi wanda aka riga an inganta shi ta tsawon shekaru na ayyukan haɓaka na kaizen.
Ƙarfin Ƙarfin Ƙarfi. Layin aiki ɗaya ya ƙaru a guda 80,000 a kowane wata a cikin sauyi uku. Hasashen buƙatu yana buƙatar guda 160,000/wata a cikin watanni 18. Kawai kwafin kayan aikin da ake dasu zai buƙaci $240,000 a cikin ƙarin saka hannun jari mai wuyar kayan aiki da sararin masana'anta wanda abokin ciniki bashi da shi.
Haƙuri Tari. Tare da na'urori daban-daban guda huɗu da ma'auni huɗu masu dogaro da ma'aikata masu ɗaukar nauyi / saukewa, tsarin ya tara kurakurai na matsayi. Tsayar da ± 0.05 mm akan mahimmancin rami-zuwa-gefe yana buƙatar 100% dubawa cikin layi da gyare-gyaren kayan aiki akai-akai, haɓaka aiki da tsadar kayan aiki. Duk wani sabon bayani dole ne ya kawar da waɗannan tushen kuskuren saiti da yawa.
Abokin ciniki kuma ya ɗauki wani 4.7% yawan juzu'i na ciki, wanda aka fi danganta shi da rashin daidaituwa a cikin kafa na biyu da tashoshi.
3. Maganinmu
Bayan gudanar da dalla-dalla Design for Manufacturability (DFM) bita tare da ƙungiyar injiniyan abokin ciniki, mun ba da shawarar guda 18-tashar ci gaba mutu yana ƙarfafa duk ayyuka zuwa cikin sake zagayowar latsa guda ɗaya.
3.1 Layout Strip & Material Utility
Mafi girman farashin farashi shine albarkatun ƙasa. Tsarin asali ya yi amfani da tsiri mai faɗin milimita 140 tare da shimfidar jeri ɗaya, yana samar da 68% amfani da kayan aiki. Ƙungiyar injiniyarmu ta yi amfani da ita AutoForm tushen simulation don inganta shimfidar jeri 3 (zigzag) tare da haɓaka tsiri mai ɗauka. Sabon tsarin ya rage tsiri zuwa 108 mm kowace jere a cikin jeri sau uku, yana samun 92% amfanin kayan - riba mai kaso 24 cikin ɗari wanda shi kaɗai ya ba da gudummawar kusan $0.28 a cikin tanadin kayan kowane yanki.
An tsara jerin tashoshi 18 kamar haka:
| Tasha | Aiki |
| 1 | Buga rami mai matukin jirgi (Ø6.0 mm, 2×) |
|---|---|
| 2–3 | Ci gaba notching & kewaye roughing |
| 4 | Rashin aiki (yankin ƙarfafa tsarin mutuƙar) |
| 5–6 | Sokin taga na ciki (Ramummuka masu tsayi, 12 × 5 mm) |
| 7 | Lankwasawa mai riga-kafi (45° partal flange) |
| 8 | Idle |
| 9 | Lanƙwasawa ta ƙarshe (90° ± 0.5°) |
| 10 | Ƙuntatawa / tsabar kudi don sarrafa radius na lanƙwasa |
| 11 | Embossing (ƙwaƙwalwar katako, tsayin 1.2 mm) |
| 12–13 | Flanging (Z-lankwasa, bangarorin biyu lokaci guda) |
| 14 | Rage (yankin duba firikwensin) |
| 15 | Precision rami. 4×) |
| 16 | Tapping - hadedde in-die servo tapping unit (M6 × 1.0, 2×) |
| 17 | Rarraba / yanke |
| 18 | Yanka tsinke |
3.2 Karfe & Zabin Kayan aiki
Ga manyan tashoshi masu sakawa, da wuraren da ake saka huda, da aka ƙayyade SKD11 (JIS G4404) sanyi-aiki kayan aiki karfe taurare zuwa 60–62 HRC, tare da TiCN (Titanium Carbonitride) PVD shafi shafi duk yankan da kafa saman. Wannan haɗin yana ba da taurin saman da ya wuce 3,000 HV, ƙaddamar da rayuwar kayan aiki zuwa ƙididdiga. 5 million strokes tsakanin manyan gyare-gyare - mai mahimmanci ga shirin 2M/shekara.
An kayyade ginshiƙan jagora da bushings a cikin SKH51 babban ƙarfin ƙarfe tare da masu rike da kejin ball don tabbatar da daidaiton jagora tsakanin 0.003 mm a fadin cikakken bugun latsawa.
3.3 In-Die Tapping Haɗin Kai
Wataƙila mafi kyawun aikin fasaha shine haɗawa da M6 × 1.0 tapping aiki kai tsaye a cikin mutuƙar ci gaba a tashar 16. Hanyoyi na al'ada suna kashe layi ta amfani da injunan sadaukarwa, ƙara farashin kulawa da canjin lokacin sake zagayowar. Tsarin mu yayi aiki a servo-driven in-die tapping unit aiki tare tare da kusurwar crank na latsa, yana samun saurin bugun bugun minti 50 tare da fitar da guntu ta atomatik. Tapping in-die ya kawar da cikakken matsayi guda ɗaya na ma'aikaci kuma ya rage farashin kowane sashi daga $0.09 zuwa ƙasa da $0.02.
3.4 Kwaikwayo-Driven Ingancin
Kafin yankan karfe, mun gudu:
– Samar da simulation (AutoForm R8): Ingantacciyar bakin ciki <20%, kafawar kyauta, ramuwa na bazara na 0.8° akan 90° flange
– Tsarin FEA (ANSYS): Tabbatar da damuwa mutu a ƙasa 980 MPa akan duk abubuwan da aka saka mai mahimmanci a 250-ton latsa nauyin
– Strip progression kinematics: Verified pilot engagement at every station, minimum carrier width of 8.5 mm maintained throughout
Simulation Pre-Production ya rage juzu'in gwaji na zahiri daga masana'antu na yau da kullun 5-7 zagaye zuwa 3 kawai.
4. Aiwatar da
4.1 Tsarin lokaci na Ƙirƙirar
| Mataki | Duration | Mabuɗin Mahimmanci |
| DFM & Tsari Tsari | Makon 1-2 | Ingantacciyar shimfidar siliki ta sanya hannu a kashe |
|---|---|---|
| Die Design (3D CAD) | Mako na 2–4 | Cikakken SolidWorks taro tare da 478 aka gyara |
| Sayen Kayan Kaya | Makon 2-3 | SKD11 tubalan da aka samo daga Hitachi Metals |
| CNC Machining & Wire EDM | Makon 4-7 | 5-axis machining + Sodick waya EDM don naushi/mutuwar kauri (6%) |
| Majalisar & Bench Fitting | Mako 7-8 | Die saitin taro, tabbatar da jeri na jagora |
| Gwadawa - Zagaye 1 | Makonni 8 | Tambarin farko, gano ƙananan wuraren burr 3 |
| Gwadawa - Zagaye na 2 | Makon 9 | Burrs warwarewa, bazara cikin juriya |
| Gwadawa - Zagaye na 3 | Makon 9 | Cikakken Gudun PPAP: guda 300, duk girma a cikin ƙayyadaddun |
| Jigilar kaya da girkawa | Mako Na 10 | Mutu jigilar kaya, shigar akan latsa 250T AIDA na abokin ciniki |
Jimlar lokacin jagora daga odar siyayya zuwa shirye-shiryen samarwa da yawa: Makonni 10.
4.2 Sakamako na Farko
Gwaji na uku kuma na ƙarshe ya samar da 96% na farko-fassara a fadin samfurin PPAP guda 300. Girman dubawa akan Zeiss CONTURA CMM ya tabbatar:
- Duk halaye na 47 a cikin ƙayyadaddun bayanai
– Cpk ≥ 1.67 akan duk halaye 12 masu mahimmanci zuwa inganci (CTQ)
- Babu ma'auni na musamman a fadin cikakken samfurin
Sauran 4% rashin daidaituwa an iyakance shi ga ƙananan ƙwanƙwasa saman saman bead ɗin da aka ɗora - an warware shi tare da haɓakar 0.5 µm a cikin ƙarewar naushi (Ra 0.1 µm → Rashing 0.05 µ lu'u-lu'u).
5. Sakamako
5.1 Rushewar Kuɗi (Kowace Piece)
| Abun Kuɗi | Kafin | Bayan | Canji |
| Raw material | $0.74 | $0.46 | ↓ 37.8% |
|---|---|---|---|
| Kai tsaye aiki | $0.38 | $0.09 | ↓ 76.3% |
| Amortization Machine | $0.28 | $0.21 | ↓ 25.0% |
| Abubuwan amfani & kayan aiki | $0.15 | $0.12 | ↓ 20.0% |
| Scrap & rework | $0.08 | $0.02 | ↓ 75.0% |
| Kasafin Kudi | $0.19 | $0.25 | ↑ 31.6%* |
| Total | $1.82 | $1.15 | ↓ 36.8% |
Haɓaka sama ya ƙaru saboda babban rabon latsa-tonnage; fiye da biya ta wasu tanadi.*
5.2 Ma'aunin Aiki
| KPI | Baseline | Cimma | Target |
| Kudin raka'a | $1.82 | $1.15 | $1.20 |
|---|---|---|---|
| iya wata-wata | 80,000 inji mai kwakwalwa | 180,000 inji mai kwakwalwa | 160,000 inji mai kwakwalwa |
| Ƙarfin aiki (Cpk) | 1.12 | 1.67+ | 1.33 min |
| Amfani da kayan aiki | 68% | 92% | — |
| Yawan juzu'i na ciki | 4.7% | 0.8% | <2.0% |
| Mai aiki ƙidaya | 4 | 1 | — |
| Canjin lokaci | 45 min | 8 min | - |
5.3 Taimakon Shekara
A 2,000,000 na fassarawa a kowace shekara, $0. $1,340,000 a rage farashin shekara-shekara. Cikakkun saka hannun jari na ci gaba da mutuwa (kimanin $ 185,000 gami da ƙira, kayan aiki, machining, sutura, da gwadawa) sun sami mayar da baya a cikin ƙasa da makonni 9 na samarwa.
6. Client Feedback
“Mun yi aiki tare da abokan aikin kayan aiki da yawa a cikin Asiya a cikin shekaru 15 da suka gabata, kuma wannan aikin tare da ƙarfe stampingparts.ltd ya fito da mafi kyawun canji a matsayin mafi kyawun tsarin da muka samu. Ƙungiyarmu ta injiniya tana da cikakkiyar amincewa kafin a yanke karfe lokacin da mutu ya zo, yana gudanar da sassa masu inganci a cikin sauyi guda uku.
— Injiniya Darakta, Tier 2 Mai ba da Motoci na Turai
Sunan da aka ɓoye a ƙarƙashin NDA
7. Key Takeaways
🔗 Duba kuma: Nazarin Case bugawa na Na'urar Kiwon Lafiya - Yadda muka sami ± 0.01mm haƙuri akan 0.15mm 304 bakin karfe don kamfanin na'urar likitancin Amurka, rage farashin kowane ɓangaren da kashi 53%.
1. Ci gaba mutu ƙarfafawa ba kawai game da sauri - yana da game da kawar da kuskure. A duk lokacin da aka cire sashi an sake gyarawa, ana haifar da haɗarin haƙuri. Tsarin tashar 18 ya kawar da wuraren canja wuri guda uku, kuma ikon aiwatarwa ya inganta daga Cpk 1.12 zuwa 1.67+ a sakamakon kai tsaye.
mafi girma da yawa kuma yawanci ana amfani da shi sau da yawa. rashin ingantawa. Haɓaka kashi 24 cikin ɗari a cikin yawan amfanin ƙasa ya ba da gudummawa ga tanadin kowane yanki fiye da rage yawan aiki. Shirye-shiryen jeri da yawa, lokacin da aka inganta ta hanyar kwaikwayo, na iya buɗe ajiyar kayan abu mai ban mamaki ba tare da lalata tsari ba.
3. A-mutu ayyuka na biyu (tapping, waldi, taro) suna da bukatar fasaha amma kasuwanci canji. Naúrar taɓin servo ita ce mafi ƙanƙanta tsarin tsarin a cikin mutuwa, duk da haka ya kawar da gabaɗayan tsarin layi da ma'aikaci, yana ba da ragi na 78% na farashin bugun.
4. Zuba jarin kwaikwaiyo yana biyan kansa a rage lokacin gwaji. Zagaye na gwaji guda uku maimakon zagaye na 5-7 na masana'antu ya ceci kusan $12,000 a lokacin latsawa, kayan aiki, da awoyi na injiniya - kusan 3 × farashin aikin simintin da kansa.
5. Tool karfe da shafi zaɓi dole dace shirin lifecycle tattalin arziki. SKD11 + TiCN ya tabbatar da mafi kyawun wannan shirin na shekaru 7, na yanki miliyan 14. Don mafi girma juzu'i ko ƙarin kayan abrasive, yawanci za mu ba da shawarar matakan ƙarfe na foda (misali, jerin ASP) ko madadin sutura (AlCrN don aikace-aikacen zafin jiki).
Wannan binciken yana wakiltar ainihin aikin da MetalStampingParts.ltd ya aiwatar. An ɓoye wasu bayanan da ke tantance abokin ciniki a ƙarƙashin yarjejeniyar da ba a bayyana ba. An tabbatar da duk bayanan fasaha, ƙididdiga masu tsada, da ma'aunin aikin aiki daga takaddun aikin da tantancewa bayan samarwa.
Don tambayoyi game da ci gaba da mutuƙar kayan aiki, aikin injiniya na rage tsada, ko haɗin gwiwar tambarin ƙarfe mai girma, tuntuɓi ƙungiyar injiniyarmu a MetalStampingParts.ltd.
Albarkatun Labarai
- Karatun Case na Rage Kuɗin OEM na Mota - Yadda inganta mutuƙar ci gaba ya rage farashin da 37% na OEM mota.