Onibara: Mid-sized European Tier 2 Automotive olupese
Industry: Automotive Structural Biraketi
Iwọn Ise agbese: irinṣẹ ìtẹ ìtẹ̀síwájú Design & Masufacturing
Alabaṣepọ: MetalStampingParts.ltd - Precision ìtẹ irin aṣelọpọ China
1. Onibara abẹlẹ
Onibara wa, olutaja Tier 2 ti iṣeto daradara ti n ṣiṣẹ OEM ọkọ ayọkẹlẹ European pataki kan, ṣe agbejade awọn biraketi imuduro irin ti a lo ni awọn apejọ subframe iwaju. Apakan naa - akọmọ irin ti o nipọn tutu-yiyi 2.8 mm (ite SAPH440) ti o ni iwọn 120 mm × 85 mm - jẹ pataki-ailewu, to nilo iṣẹ ṣiṣe ẹrọ deede kọja iṣelọpọ iwọn didun giga.
Ni akoko adehun igbeyawo, ibeere ọdọọdun ti alabara duro ni 2,000,000 ege, pẹlu awọn asọtẹlẹ igbesi aye awoṣe ti o gbooro si ọdun 7. Ilana iṣelọpọ wọn ti o wa tẹlẹ gbarale mẹrin-ibudo nikan-isẹ irinṣẹ setup: fifin, lilu, dida, ati titẹ ẹrọ lọtọ kọọkan. Ṣiṣan iṣẹ pipin yii nilo awọn oniṣẹ ẹrọ mẹrin, awọn iṣeto titẹ mẹrin, ati akojo-ilọsiwaju-iṣẹ pataki (WIP) laarin awọn ibudo. Iye owo ẹyọkan ti ni pẹlẹbẹ ni $1.82, nọmba kan ti awọn ose ká igbankan egbe ro unsustainable fun iṣagbesori iye owo-isalẹ titẹ lati wọn OEM onibara.
alabara sunmọ wa pẹlu kukuru kukuru kan: dinku iye owo ẹyọkan ni isalẹ $1.20 nigba ti nigbakannaa ilopo oṣooṣu losi lati 80,000 si 160,000 awọn ege - gbogbo awọn lai compromising stringent mm ±0.05 awọn ifarada onisẹpo ti o nilo fun alurinmorin roboti adaṣe ni laini apejọ OEM.
2. Ipenija
Awọn ihamọ isopo mẹta ti ṣalaye iṣoro imọ-ẹrọ ti iṣẹ akanṣe yii:
iye owo Àkọlé. Iye owo ẹyọkan ti o wa ti $1.82 nilo lati ṣubu nipasẹ o kere ju 34%. Ni awọn ẹyọ ọdun 2 milionu, eyi ṣe aṣoju awọn ifowopamọ ti o kọja $1.2 million ju ọdun awoṣe kan lọ - ibeere ti kii ṣe bintin fun apakan ti o ni ontẹ ti o dagba ti iṣapeye tẹlẹ nipasẹ awọn ọdun ti awọn iṣẹ kaizen ti afikun.
Agbara Bottleneck. Laini iṣẹ-ẹyọkan ti o pọju jade ni awọn ege 80,000 fun oṣu kan kọja awọn iyipada mẹta. Awọn asọtẹlẹ ibeere nilo awọn ege 160,000 / oṣu laarin awọn oṣu 18. Nìkan pidánpidán ohun elo irinṣẹ ti o wa tẹlẹ yoo ti nilo $240,000 ni afikun idoko-owo irinṣẹ lile pẹlu aaye ilẹ-ilẹ ile-iṣẹ ti alabara ko ni.
Ifarada Stack-soke. Pẹlu awọn amuduro lọtọ mẹrin ati awọn ọna ikojọpọ / ṣiṣi silẹ onišẹ mẹrin, ilana ti kojọpọ awọn aṣiṣe ipo ti ara ẹni. Mimu ± 0.05 mm lori awọn iwọn iho-si-eti to ṣe pataki nilo 100% ayewo ila-ila ati awọn atunṣe ọpa loorekoore, wiwakọ iṣẹ ati awọn idiyele alokuirin. Ojutu tuntun eyikeyi ni lati yọkuro awọn orisun aṣiṣe ọpọlọpọ-setup wọnyi.
Onibara tun gbe a 4.7% oṣuwọn aloku ti inu, ti o jẹ pataki si aiṣedeede ni awọn ibudo keji ati awọn ibudo titẹ.
3. Solusan wa
Lẹhin ṣiṣe alaye Apẹrẹ fun Atunyẹwo iṣelọpọ (DFM) pẹlu ẹgbẹ imọ-ẹrọ alabara, a dabaa 18-ibudo onitẹsiwaju kú consolidating gbogbo mosi sinu ọkan lemọlemọfún tẹ ọmọ.
3.1 Strip Layout & Lilo Ohun elo
Ẹyọ iye owo ti o tobi julọ jẹ ohun elo aise. Ilana atilẹba ti lo ṣiṣan okun fife milimita 140 pẹlu ifilelẹ ila-ẹyọkan, ti nso 68% awọn ohun elo ti iṣamulo. Ẹgbẹ imọ-ẹrọ wa lo Simulation ti o da lori AutoForm lati ṣe ifọwọsi ifilelẹ 3-kana staggered (zigzag) pẹlu iṣapeye ṣiṣan ti ngbe. Ifilelẹ tuntun naa dín rinhoho naa si 108 mm fun ọna kan ni iṣeto-ila-mẹta kan, ni iyọrisi 92% ohun elo lilo - ere-ojuami 24-ogorun kan ti o ṣe idasi isunmọ $0.28 ni awọn ifowopamọ ohun elo-ẹkan.
Ilana 18-ibudo jẹ apẹrẹ bi atẹle:
| Ibudo | Isẹ |
| 1 | Punching iho awaoko (Ø6.0 mm, 2×) |
|---|---|
| 2–3 | Ilọsiwaju notching & agbegbe roughing |
| 4 | Laiṣiṣẹ (agbegbe imuduro igbekalẹ) |
| 5–6 | Inu window lilu (oblong Iho, 12× 5 mm) |
| 7 | Tẹtẹ-ṣaaju (45° apa kan flange) |
| 8 | Idle |
| 9 | Ipin ti o pari (90° ± 0.5°) |
| 10 | ihamọ / coining fun tẹ rediosi Iṣakoso |
| 11 | Embossing (ileke lile, giga 1.2 mm) |
| 12–13 | Flanging (Z-tẹ, mejeji ni nigbakannaa) |
| 14 | Idle (agbegbe ayẹwo sensọ) |
| 15 | Precision iho. 4×) |
| 16 | Kia kia - iṣọpọ in-die servo tapping unit (M6×1.0, 2×) |
| 17 | Pipin / gige-pipa |
| 18 | Ajeku gige |
3.2 Irin Irin & Aṣayan Aso
Fun awọn ibudo aṣọ-giga (pipe lilu, awọn ifibọ fọọmu, ati ibudo titẹ), a pato SKD11 (JIS G4404) irinṣẹ tutu-iṣẹ irin lile to 60–62 HRC, pẹlu TiCN (Titanium Carbonitride) PVD ti a bo loo si gbogbo gige ati lara roboto. Ijọpọ yii n pese líle dada pupọju 3,000 HV, ti o fa igbesi aye irinṣẹ si ifoju. 5 million strokes laarin awọn atunṣe pataki - pataki fun eto 2M / ọdun kan.
Awọn ọwọn itọnisọna ati awọn bushings ti wa ni pato ni SKH51 irin iyara to gaju pẹlu awọn idaduro agọ ẹyẹ-bọọlu lati rii daju pe deede itọnisọna laarin 0.003 mm kọja ikọlu titẹ ni kikun.
3.3 In-Die Tapping Integration
Boya julọ imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-imọ-ti-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni-ni servo-driven in-die tapping unit mimuuṣiṣẹpọ pẹlu igun ibẹrẹ titẹ, iyọrisi awọn ikọlu 50 fun iyara titẹ ni iṣẹju kan pẹlu yiyọ kuro laifọwọyi. In-die kifọwọ ba yọkuro ipo oniṣẹ ni kikun ati dinku iye owo titẹ ni apakan lati $0.09 si labẹ $0.02.
3.4 Iṣafọwọsi-Iwakọ Simulation
Apẹrẹ wa ti ṣiṣẹ
– Simulation (AutoForm R8): Tinrin ti a fọwọsi <20%, fọọmu ti ko ni wrinkle, isanpada orisun omi ti 0.8° lori 90° flange
– Structural FEA Ṣaaju gige irin, a ran:
– Strip progression kinematics: Wadi ọkọ ayọkẹlẹ ọkọ ayọkẹlẹ to kere julọ ni gbogbo ibudo85.
Iṣapejuwe iṣaju iṣelọpọ dinku awọn atunwo igbiyanju ti ara lati ile-iṣẹ deede 5–7 awọn iyipo si 3 kan.
(ANSYS): Imudaniloju ku ni isalẹ 980 MPa lori gbogbo awọn ifibọ pataki ni 250-ton tẹ fifuye 98765434107
4.1 Manufacturing Timeline
| Ipele | Iye akoko | Key Milestones |
| Ìfilélẹ DFM & Rinha | Ọsẹ 1–2 | Simulation-validated layout signed off |
|---|---|---|
| Die Design (3D CAD) | Ọsẹ 2–4 | Apejọ SolidWorks ni kikun pẹlu awọn paati 478 |
| Raw Material Procurement | Osu 2–3 | Awọn bulọọki SKD11 ti o jade lati Hitachi Metals |
| CNC Machining & Wire EDM | Ọsẹ 4–7 | 5-axis machining + Sodick wire EDM for punch/die clearances (6) |
| Apejọ & Bench Fitting | Ọsẹ 7–8 | Die ṣeto apejọ, iṣeduro titete itọnisọna |
| Gbiyanju - Yika 1 | Ọsẹ 8 | Titẹ ami ibẹrẹ, damọ awọn ipo burr kekere 3 |
| Gbiyanju - Yika 2 | Ọsẹ 9 | Burrs ti yanju, orisun omi laarin ifarada |
| Gbiyanju — Yika 3 | Ọsẹ 9 | Ṣiṣe PPAP ni kikun: awọn ege 300, gbogbo awọn iwọn ni spec |
| Sowo & Fifi sori | Ose 10 | Kú sowo, fi sori ẹrọ lori ose 250T AIDA tẹ |
Lapapọ akoko asiwaju lati aṣẹ rira si imurasilẹ iṣelọpọ lọpọlọpọ: 10 ọsẹ.
4.2 Awọn abajade Abala akọkọ
Idanwo kẹta ati ikẹhin ṣe 96% ikore-akọkọ kọja 300-nkan PPAP ayẹwo. Ayẹwo onisẹpo lori Zeiss CONTURA CMM ti a fọwọsi:
- Gbogbo awọn abuda onisẹpo 47 laarin sipesifikesonu
– Cpk ≥ 1.67 lori gbogbo awọn abuda 12 pataki-si-didara (CTQ)
- Ko si awọn wiwọn-jade-ti-papaarẹ ni kikun
4% ti ko ni ibamu jẹ opin si fifọ dada kekere lori ilẹkẹ embossed - ipinnu pẹlu ilosoke 0.5 µm ni ipari dada punch (Ra 0.1 µm → Ra 0.05 µ diamond).
5. Awọn abajade
5.1 Idiyele iye owo (Lapapọ)
| Owo Ano | Ṣaaju | Lẹhin | Yipada |
| Aise ohun elo | $0.74 | $0.46 | ↓ 37.8% |
|---|---|---|---|
| iṣẹ taara | $0.38 | $0.09 | ↓ 76.3% |
| Amortization ẹrọ | $0.28 | $0.21 | ↓ 25.0% |
| Consumables & irinṣẹ | $0.15 | $0.12 | ↓ 20.0% |
| Scrap & tunse | $0.08 | $0.02 | ↓ 75.0% |
| Ipinnu ti o pọju | $0.19 | $0.25 | ↑ 31.6%* |
| Lapapọ | $1.82 | $1.15 | ↓ 36.8% |
Ilọju ti o pọ si nitori ipinnu titẹ-tonnage ti o ga julọ; diẹ ẹ sii ju aiṣedeede nipasẹ awọn ifowopamọ miiran.*
5.2 Awọn iṣiro iṣẹ
| KPI | Ipilẹṣẹ | Aṣeyọri | Àkọlé |
| Iye owo ẹyọkan | $1.82 | $1.15 | $1.20 |
|---|---|---|---|
| Agbara oṣooṣu | 80,000 PC | 180,000 pcs | 160,000 pcs |
| Agbara ilana (Cpk) | 1.12 | 1.67+ | 1.33 min |
| Lilo ohun elo | 68% | 92% | — |
| Oṣuwọn aloku ti inu | 4.7% | 0.8% | <2.0% |
| Oluṣe nọmba | 4 | 1 | — |
| Changeover akoko | 45 min | 8 min | - |
5.3 Ifowopamọ Ọdọọdun
Ni awọn ege 2,000,000 nfipamọ fun ege $000 fun ọdun kan. $1,340,000 ni idinku iye owo lododun. Idoko-owo ilọsiwaju ti ilọsiwaju ni kikun (to $ 185,000 pẹlu apẹrẹ, awọn ohun elo, ẹrọ, ibora, ati igbiyanju) ṣe aṣeyọri payback in under 9 weeks ti gbóògì.
6. Client Esi
Ẹgbẹ imọ-ẹrọ wa ni igbẹkẹle ni kikun ṣaaju ki irin ti ge lailai, nigbati o ba de, o ṣiṣẹ awọn ẹya didara laarin awọn iṣipo mẹta.
— Engineering Oludari, European Tier 2 Automotive olupese
Orukọ dawọ labẹ NDA
7. Key takeaways
🔗 Wo tun: Medical Device Precision Stamping Case Study - Bii a ṣe ṣaṣeyọri ifarada ± 0.01mm lori 0.15mm 304 irin alagbara irin fun ile-iṣẹ ẹrọ iṣoogun AMẸRIKA kan, idinku idiyele apakan-paati nipasẹ 53%.
1. Onitẹsiwaju kú adapo kii ṣe nipa iyara nikan - o jẹ nipa imukuro aṣiṣe. Ni gbogbo igba ti a ba yọ apakan kan kuro ti a tun ṣe atunṣe, ewu ifarada yoo ṣe afihan. Apẹrẹ 18-ibudo ti yọkuro awọn aaye gbigbe mẹta, ati agbara ilana ni ilọsiwaju lati Cpk 1.12 si 1.67+ bi abajade taara.
lorekoore o jẹ ohun elo ti o tobi julọ 2. labẹ-iṣapeye. Imudara 24-ogorun-ojuami ni ikore ohun elo ṣe idasi diẹ sii si awọn ifowopamọ-ẹyọkan ju idinku iṣẹ lọ. Awọn ipalemo onilọra-ọpọlọpọ, nigba ti a fọwọsi nipasẹ kikopa, le ṣii awọn ifowopamọ ohun elo iyalẹnu laisi ibajẹ fọọmu.
3. Ni-die secondary mosi (kia kia, alurinmorin, ijọ) ti wa ni tekinikali demanding sugbon lopo transformative. Ẹka titẹ servo jẹ eto iha ti o nipọn julọ ninu ku, sibẹsibẹ o pa gbogbo ilana laini kuro ati oniṣẹ, jiṣẹ idinku 78% ni idiyele titẹ ni kia kia.
4. Idoko-owo Simulation sanwo fun ararẹ ni akoko igbiyanju idinku. Awọn iyipo igbiyanju mẹta dipo ile-iṣẹ aṣoju-aṣoju 5–7 awọn iyipo ti o fipamọ to $12,000 ni akoko titẹ, ohun elo, ati awọn wakati ẹrọ - ni aijọju 3 × idiyele ti iṣẹ kikopa funrararẹ.
5. Irin irin ati yiyan ibora gbọdọ baramu eto-ọrọ eto-aye. SKD11 + TiCN safihan aipe fun 7-odun yi, 14-million-nkan eto. Fun awọn iwọn ti o ga julọ tabi awọn ohun elo abrasive diẹ sii, a yoo ṣeduro deede awọn giredi irin lulú (fun apẹẹrẹ, ASP jara) tabi awọn aṣọ ibora (AlCrN fun awọn ohun elo iwọn otutu).
Iwadi ọran yii duro fun iṣẹ akanṣe gangan ti a ṣe nipasẹ MetalStampingParts.ltd. Awọn alaye idanimọ alabara kan ti jẹ ailorukọ labẹ awọn adehun ti kii ṣe ifihan. Gbogbo data imọ-ẹrọ, awọn isiro iye owo, ati awọn metiriki iṣẹ ni a rii daju lati inu iwe iṣẹ akanṣe ati awọn iṣayẹwo iṣelọpọ lẹhin.
Fun awọn ibeere nipa ohun elo iku ilọsiwaju, imọ-ẹrọ idinku-idinku, tabi awọn ajọṣepọ ontẹ irin-giga, kan si ẹgbẹ imọ-ẹrọ wa ni MetalStampingParts.ltd.
Awọn orisun ibatan
- Automotive OEM Idinku Idinku Case - Bawo ni ilọsiwaju iku ilọsiwaju dinku awọn idiyele nipasẹ 37% fun OEM adaṣe kan.