uMthengi: Mid-sized European Tier 2 izithuthi umboneleli
Ishishini: Izibiyeli zoLwakhiwo lweemoto
Umda weProjekthi: Uyilo lweProgressive Dig.
Iqabane: MetalStampingParts.ltd — Precision isitampu sentsimbi, China
1. Imvelaphi yoMthengi
Umxhasi wethu, umthengisi we-Tier 2 osekwe kakuhle okhonza i-OEM enkulu yeemoto zaseYurophu, uvelisa izibiyeli zokuqinisa intsimbi ezisetyenziswa kwiindibano zangaphambili ze-subframe. Inxalenye - i-2.8 mm-thick-rolled steel bracket (i-SAPH440 grade) ilinganisa malunga ne-120 mm × 85 mm - ibaluleke kakhulu, ifuna ukusebenza okuhambelanayo komatshini kuyo yonke imveliso ephezulu.
Ngexesha lothethathethwano, iimfuno zonyaka zomxhasi zazimi ku- Iziqwenga ezingama-2,000,000, kunye noqikelelo lwemodeli yomjikelo wobomi ukuya kwiminyaka esi-7. Inkqubo yabo ekhoyo yokuvelisa ixhomekeke kwi- isikhululo esine-inkqubo enye yokuseta izixhobo: ukugqogqa, ukugqobhoza, ukwenza, kunye nokucofa ucofa umatshini ngamnye. Oku kuhamba komsebenzi okuqhekekileyo kufuna abaqhubi boomatshini abane, ukusetwa kweendaba ezine, kunye noluhlu olubalulekileyo lomsebenzi oqhubekayo (WIP) phakathi kwezikhululo. Ixabiso leqhekeza ngalinye liye lanyuka ngo- $1.82, umzobo iqela lokuthenga lomxumi libona ngathi alizinzanga xa linikwa uxinzelelo lokunyuka kweendleko kumthengi wabo we-OEM.
Umxhasi wasondela kuthi ngokufutshane okucacileyo: ukunciphisa iindleko zeyunithi ngaphantsi kwe- $1.20 ngaxeshanye iphinda kabini imveliso yenyanga ukusuka 80,000 ukuya kwi-160,000 iziqwenga - konke ngaphandle kokunciphisa i- ±0.05 mm ukunyamezela okufunekayo kwi-automated robotic welding kumgca we-OEM yendibano.
2. Umngeni
Imiqobo emithathu edityanisiweyo ichaze ubunzima bobugcisa bale projekthi:
Ixabiso leThagethi. Ixabiso leyunithi ekhoyo ye-1.82 yeedola kufuneka liwe ubuncinane nge-34%. Kwizigidi ezi-2 zeeyunithi zonyaka, oku kumele ugcino olungaphaya kwe-1.2 yezigidi zeedola kunyaka omnye wemodeli-isicelo esingabalulekanga senxalenye enesitampu esivuthiweyo esele yandiswa ngeminyaka yemisebenzi eyongeziweyo ye-kaizen.
Umthamo weBottleneck. Umgca wokusebenza omnye ufikelele kumaqhekeza angama-80,000 ngenyanga kwiishifti ezintathu. Uqikelelo lwemfuno lufuna amaqhekeza angama-160,000/ngenyanga kwiinyanga ezili-18. Ukuphinda-phinda isixhobo esikhoyo bekuya kufuna i-$240,000 kutyalo-mali olongezelelweyo lwezixhobo ezinzima kunye nendawo yomgangatho womzi-mveliso ebengenawo umxhasi.
Ukunyamezelwa kweStack-up. Ngezinto ezine ezahlukeneyo kunye nemijikelo emine yokulayisha/yokothula exhomekeke kumqhubi, inkqubo iqokelele iimpazamo zokubeka. Ukugcina i-±0.05 mm kwimilinganiselo ebalulekileyo yomngxunya ukuya kumphetho kufuna i-100% yokuhlolwa kwe-in-line kunye nohlengahlengiso oluqhelekileyo lwezixhobo, ukuqhuba iindleko zomsebenzi kunye neendleko ezilahliweyo. Nasiphi na isisombululo esitsha kwafuneka siphelise le mithombo yempazamo yokusetha okuninzi.
Umxhasi ukwaphethe a 4.7% izinga lokulahlwa kwangaphakathi, ubukhulu becala kubangelwe ukungahambi kakuhle kwizitishi zesibini zokwenza kunye nokucofa.
3. Isisombululo sethu
Emva kokwenza uphononongo oluneenkcukacha loYilo lweManufacturability (DFM) kunye neqela lobunjineli bomthengi, sicebise ukuba ibe nye I-18-station ufa oqhubekayo ukudibanisa yonke imisebenzi kumjikelo omnye oqhubekayo wokushicilela.
3.1 UYilo lweMicu kunye nokuSetyenziswa kwezinto
Eyona xabiso likhulu lelever yayiyinto ekrwada. Inkqubo yantlandlolo isebenzise umcu wekhoyili oyi-140 mm-ububanzi obunokwakheka komqolo omnye, inika i- 68% yokusetyenziswa kwezinto. Iqela lethu lobunjineli lisetyenzisiwe Ukulinganisa okusekwe kwi-AutoForm-based ukuqinisekisa umqolo o-3 ogxakisileyo (zigzag) ngokulungelelaniswa komcu wokuthwala. Uyilo olutsha lucuthe umcu ukuya kwi-108 mm kumqolo ngamnye kuqwalaselo lwemiqolo emithathu, ukufikelela 92% yokusetyenziswa kwezinto - iipesenti ezingama-24 zenzuzo eyodwa ethe yanikela malunga ne-0.28 yeedola kwi-per-piece impahla yokonga.
Ulandelelwano lwesikhululo se-18 lwenziwe ngolu hlobo lulandelayo:
| Isitishi | Umsebenzi |
| 1 | Pilot umngxuma ngenqindi (Ø6.0 mm, 2×) |
|---|---|
| 2–3 | Progressive notching & perimeter roughing |
| 4 | Ukungenzi lutho (indawo yokuqinisa isakhiwo sokufa) |
| 5–6 | Ukugqobhoza kwefestile yangaphakathi (iindawo zokubeka i-oblong, 12×5 mm) |
| 7 | Pre-forming bend (45 ° inxalenye flange) |
| 8 | Idle |
| 9 | Igophe eliqulunqayo lokugqibela (90 ° ±0.5 °) |
| 10 | Restrike / ingqekembe yolawulo lwerediyasi egobe |
| 11 | I-Embossing (i-bead yokuqinisa, i-1.2 mm ubude) |
| 12–13 | Flanging (Z-bend, omabini amacala ngaxeshanye) |
| 14 | I-Idle (indawo yokujonga inzwa) |
| 15 | mm ± 0. 4×) |
| 16 | Ukucofa - iyunithi yokucofa edibeneyo ye-servo edibeneyo (M6×1.0, 2×) |
| 17 | Ukwahlula / ukusika |
| 18 | Ukunqunqa iintsimbi | I-
3.2 Isixhobo sentsimbi kunye noKhetho lokuFakwa
Kwizikhululo ezinxiba kakhulu (izikhululo zokugqobhoza, izitishi zokugqobhoza, izitishi zokugqobhoza kunye nezixhobo zokugqobhoza). SKD11 (JIS G4404) intsimbi yokusebenza ebandayo eyenziwe lukhuni kwi- 60–62 HRC, kunye ne- TiCN (Titanium Carbonitride) PVD yokwambathisa isetyenziswe kuyo yonke imiphezulu yokusika kunye nokwenza. Le ndibaniselwano inikezela ngobulukhuni bomphezulu obugqithileyo 3,000 HV, ukwandisa ubomi besixhobo kuqikelelo million strokes phakathi kokulungiswa okukhulu - kubalulekile kwiprogram ye-2M / ngonyaka.
Iintsika zesikhokelo kunye namatyholo achaziweyo ku- SKH51 intsimbi yesantya esiphezulu kunye nezigcini ze-ball-cage ukuqinisekisa ukuchaneka kwesikhokelo ngaphakathi kwe-0.003 mm ngaphaya kwe-press stroke epheleleyo.
3.3 In-Die Tapping Integration
Mhlawumbi eyona nto yayinqweneleka kubuchwephesha yayikukuhlanganisa i-M6×1.0 yokucofa ukusebenza ngokuthe ngqo kwi-ufa oqhubekayo kwi-Station 16. Iindlela zemveli zicofa ngaphandle kwe-line zisebenzisa oomatshini abazinikeleyo, zongeza iindleko zokuphatha kunye nokuguquguquka kwexesha lomjikelo. Uyilo lwethu lusebenzise a Iyunithi yokucofa i-servo-driven in-die ilungelelaniswe ne-engile yokucofa i-crank, ukuzuza imivumbo engama-50 ngomzuzu wokucofa isantya ngokukhutshwa kwetshiphu ngokuzenzekelayo. Ukucofa kwi-in-die kupheliswe indawo enye yomsebenzisi opheleleyo kwaye kuncitshiswe ixabiso lokucofa inxalenye nganye ukusuka kwi-0.09 yeedola ukuya ngaphantsi kwe-0.02 yeedola.
3.4 UQinisekiso oluqhutywa nguMfaniso
Ngaphambi kokusika intsimbi, sasiqhuba:
– Ukwenza ukulinganisa (I-AutoForm R8): I-thinning eqinisekisiweyo < 20%, ukubunjwa okungenamibimbi, imbuyekezo ye-springback ye-0.8 ° kwi-90 ° flange
– Ulwakhiwo lwe-FEA (ANSYS): Uxinzelelo lokufa oluqinisekisiweyo olungaphantsi kwe-980 MPa kuzo zonke izinto ezifakelwayo ezingundoqo kwi-250-toni yokushicilela umthwalo
– I-strip progression kinematics: isikhululo esiqinisekisiweyo sobuxhakaxhaka kwisikhululo somqhubi esiqinisekisiweyo kwi-5 mm yomqhubi wonke.
Ukulinganisa kwangaphambili kwemveliso kuye kwanciphisa uphindaphindo lokuzama ngokomzimba ukusuka kumjikelo oqhelekileyo we-5–7 ukuya kwi-3 nje.
4. Ukuphunyezwa
4.1 Ixesha lokwenziwa koMveliso
| Isigaba | Ubude bexesha | Amanqaku aphambili |
| I-DFM kunye noYilo lwe-Strip | Iveki 1–2 | Uyilo oluqinisekisiweyo olufanisiweyo |
|---|---|---|
| Die Design (3D CAD) | iVeki yesi-2–4 | Indibano epheleleyo yeSolidWorks enamalungu angama-478 |
| Ukuthengwa kweMathiriyeli ekrwada | Iveki 2–3 | iibhloko ze-SKD11 ezithathwe kwi-Hitachi Metals |
| CNC Machining & Wire EDM | Iveki yesi-4–7 | 5-axis machining + Sodick ucingo olucacileyo% EDM ukutyeba 6–8 |
| INdibano kunye nokuFaniswa kwebhentshi | IVeki yesi-7–8 | Indibano emiselweyo yokufa, ukuqinisekiswa kolungelelwaniso olukhokelayo |
| Tryout — Round 1 | IVeki yesi-8 | Isitampu sokuqala, ichongiwe iindawo ezi-3 ezincinci ze-burr |
| Izame — Round 2 | Iveki 9 | Burrs isonjululwe, i-springback ngaphakathi kokunyamezelana |
| Zama-Umjikelo 3 | Iveki 9 | I-PPAP epheleleyo iqhutywe: amaqhekeza angama-300, yonke imilinganiselo kwi-spec |
| Ukuthumela ngenqanawe kunye noFakelo | Iveki 10 | Ukufa kuthunyelwe, kufakwe kumxhasi we-250T AIDA press |
Ixesha elipheleleyo lokukhokela ukusuka kwi-oda lokuthenga ukuya kukulungelelaniswa kwemveliso enkulu: Iiveki ze-10.
4.2 Iziphumo zenqaku lokuqala
Uvavanyo lwesithathu nolokugqibela luvelise i- 96% isivuno sokuqala kwisampula ye-PPAP ye-300. Ukuhlolwa kwe-Dimensional kwi-Zeiss I-CONTURA CMM iqinisekisiwe:
- Zonke iimpawu ze-47 ezine-dimensional ngaphakathi kobalulo
– Cpk ≥ 1.67 kuzo zonke iimpawu ze-12 ezibalulekileyo-kuya-kumgangatho (CTQ)
- Akukho milinganiselo engaphandle kwe-spec kwisampuli epheleleyo
I-4% eseleyo yokungahambelani yayikhawulelwe kwi-scuffing encinci yomhlaba kwi-bead e-embossed - isonjululwe ngokunyuka kwe-0.5 µm kwi-punch surface finish (Ra 0.1 µm → i-diamond µm 0).
5. Iziphumo
5.1 Ukohlulwa kweendleko (Ngocezu ngalunye)
| Ixabiso Element | Ngaphambili | Emva | Tshintsha |
| Imathiriyeli ekrwada | $0.74 | $0.46 | ↓ 37.8% |
|---|---|---|---|
| Ngqo labour | $0.38 | $0.09 | ↓ 76.3% |
| Ukuthengiswa komatshini | $0.28 | $0.21 | ↓ 25.0% |
| Izinto ezisetyenziswayo kunye nezixhobo | $0.15 | $0.12 | ↓ 20.0% |
| Isilaphu kunye nokusebenza kwakhona | $0.08 | $0.02 | ↓ 75.0% |
| Ulwabiwo olungaphezulu | $0.19 | $0.25 | ↑ 31.6%* |
| Iyonke | $1.82 | $1.15 | ↓ 36.8% |
I-overhead yandisiwe ngenxa yolwabiwo oluphezulu lwetoni zoxinzelelo; ngaphezu kokulungiswa kolunye ugcino.*
5.2 Iimetriki zoMsebenzi
| KPI | Isiseko | Iphunyeziwe | Ekujoliswe kuko |
| Ixabiso leyunithi | $1.82 | $1.15 | $1.20 |
|---|---|---|---|
| Umthamo wenyanga | 80,000 iipcs | 180,000 iipcs | 160,000 iipcs |
| Inkqubo yekhono (Cpk) | 1.12 | 1.67+ | 1.33 imiz |
| Ukusetyenziswa kwezinto | 68% | 92% | — |
| Ixabiso langaphakathi le-scrap | 4.7% | 0.8% | <2.0% |
| Inani lomsebenzisi | 4 | 1 | — |
| Ixesha lokutshintsha | 45 imiz | 8 imiz | - |
5.3 Ugcino loNyaka
Kwi-2,000,000 amaqhekeza ngonyaka, i-translate-6789 iqhekeza. $1,340,000 ekunciphiseni iindleko zonyaka. Utyalo-mali oluqhubekayo lokufa (malunga ne-185,000 yeedola kubandakanya uyilo, imathiriyeli, umatshini, i-coating, kunye ne-tryout) iphumelele intlawulo phantsi kweeveki ezisi-9 yemveliso.
6. Ingxelo yoMthengi
“Sisebenze namaqabane ezixhobo ezininzi kulo lonke elase-Asiya kule minyaka ili-15 idlulileyo, kwaye le projekthi ine-metalstampingparts. Ithetha ukuba iqela lethu lobunjineli lalinokuzithemba ngokupheleleyo ngaphambi kokuba intsimbi ifike, yaqhuba iinxalenye zomgangatho wemveliso ngaphakathi kweeshifti ezintathu, kwaye - mhlawumbi okubaluleke ngakumbi - inkqubo yozinzo ibikhethekile.
— UMlawuli wobuNjineli, uMboneleli weZithuthi waseYurophu
Igama ligodliwe phantsi kwe-NDA
7. Izinto eziphambili eziThathayo
🔗 Bona kwakhona: Isixhobo soNyango esiChanekileyo sokuFakwa kweSitampu soNyango — Indlela esiye safumana ngayo ±0.01mm ukunyamezela kwi-0.15mm 304 yentsimbi engenasici kwinkampani yesixhobo sonyango sase-US, ukunciphisa ixabiso lecandelo ngalinye ngama-53%.
1. Udibaniso lweefa oluqhubela phambili alukho malunga nesantya kuphela — imalunga nokuphelisa iimpazamo. Ngalo lonke ixesha inxalenye isusiwe kwaye iphinda ilungiswe, ingozi yokunyamezela iyaziswa. Uyilo lwesikhululo se-18 lususe amanqaku amathathu okudluliselwa, kunye nenkqubo yokuphucula amandla ukusuka kwi-Cpk 1.12 ukuya kwi-1.67 + njengesiphumo esithe ngqo.
idla ngokuba yeyona nto isetyenziswa kakhulu. ukungasebenzi kakuhle. Ukuphuculwa kweepesenti ezingama-24 kwimveliso yezinto eziphathekayo kube negalelo elikhulu kwi-per-piece yogcino kunokunciphisa abasebenzi. Uyilo lwemixholo emininzi, xa luqinisekisiwe ngokulinganisa, lungavula ugcino lwemathiriyeli emangalisayo ngaphandle kokubeka esichengeni ukwakheka.
3. Imisebenzi yesibini ye-in-die (i-tapping, i-welding, i-asembly) ifunwa ngokobuchwepheshe kodwa iguqula urhwebo. Iyunithi yokucofa i-servo yayiyeyona nkqubo inzima kakhulu kwi-die, kodwa yaphelisa yonke inkqubo engaxhunyiwe ku-intanethi kunye nomsebenzisi, inikezela nge-78% yokunciphisa iindleko zokucofa. I-
4. Ukulinganisa utyalo-mali kuzihlawulela ngexesha elincitshisiweyo lokuzama. Imijikelo emithathu yetryout endaweni yeshishini-eqhelekileyo 5-7 imijikelo igcine malunga ne-12,000 yeedola ngexesha lokushicilela, imathiriyeli, kunye neeyure zobunjineli - malunga ne-3 × ixabiso lomsebenzi wokulinganisa ngokwawo.
5. Isixhobo sentsimbi kunye nokukhethwa kokugquma kufuneka kuhambelane noqoqosho lwenkqubo yobomi. SKD11 + i-TiCN ibonakalise ilungile kule minyaka isi-7, inkqubo yezigidi ezili-14. Kwimiqulu ephezulu okanye izixhobo ezirhabaxa ngaphezulu, siya kucebisa ngokwesiqhelo amabakala esinyithi enziwe ngumgubo (umzekelo, uthotho lwe-ASP) okanye ezinye iicoatings (i-AlCrN yezicelo zobushushu obuphakamileyo). I-
Olu phononongo lumele eyona projekthi eyenziwe yi-MetalStampingParts.ltd. Iinkcukacha ezithile zokuchonga abathengi azichazwanga phantsi kwezivumelwano zokungavezi. Zonke iinkcukacha zobugcisa, amanani eendleko, kunye neemetrics zokusebenza ziqinisekiswa kumaxwebhu eprojekthi kunye nophicotho lwasemva kwemveliso.
Ngemibuzo malunga nezixhobo eziqhubekayo zokufa, ubunjineli bokuncitshiswa kweendleko, okanye intsebenziswano yesitampu sesinyithi esinomthamo ophezulu, qhagamshelana neqela lethu lobunjineli kwi-MetalStampingParts.ltd.
Izixhobo eziNxulumeneyo
- izithuthi OEM UkuNcitshiswa Case Study Case - Indlela yokuphucula i-deep optimization yanciphisa iindleko nge-37% ye-OEM yeemoto.