Piyeesu estampage asiye mooy piyeesu wen yiñ defaree tóol asiye bu plat wala serpentin ci presse, blanking, bënd, wala desine ci presse estampage. Dañuy feeñ ci bépp produit buñ defar — dalee ko ci pano yaram wi ak bracket yi ba ci boîtier yi ak aparey usine yi. Tann xeetu asiye bu dëggu bi mooy benn ci dogal yi gëna am solo ci estampage asiye, ndax mooy wane formabilité bi, dooleem, njëg li, soudure bi, ak finishing surface bi.
Gis-gis bii dafay jaar ci lu ëpp 20 xeeti asiye yuñ gëna jëfandikoo ci estampage, dafay méngale tolluwaayu laminé bu tàng ak buñu laminé ci sedd, wax ci jafe-jafe yi ci asiye bu am doole lool, ba noppi wax ci tànneefi pajum kaw gi ak jëfandikoo jëmmal ngir defar (DFM). Metal Stamping Parts Ltd dafay liggéey ay junni tonne asiye at mu nekk ci wàllu oto, usine ak produit yu ñuy jëfandikoo.
Tannu grade asiye ngir estampage
Tann grade asiye bu dëggu bi dafay laaj ekilibre ci màndarga mekanik, forme, kalite surface, ak njëg. Tablo yi ci suuf dañuy fësal grade yiñ gëna jëfandikoo ci liggéeyum tëggin ci àdduna bi.
Cold-Rolled Steel Grades (JIS / EN / ASTM)
| Njàngat (JIS) | EN Equivalent | ASTM | C (%) | Mn (%) | Resistence de rendement (MPa) | Force de traction (MPa) | Guddaay (%) | r-value | Demànd |
|---|---|---|---|---|---|---|---|---|---|
| SPCC | DC01 | A1008 CS xeetu B | ≤0.12 | ≤0.50 | 140–280 | 270–410 | ≥37 | — | Panneau général, parenthèses |
| SPCD | DC03 | A1008 CS xeetu A | ≤0.10 | ≤0.45 | 140–260 | 270–390 | ≥39 | ≥1.3 | Dessin aplikaasioŋ, desin yu xóotul |
| SPCE | DC04 | A1008 DS xeetu A | ≤0.08 | ≤0.40 | 120–240 | 270–370 | ≥41 | ≥1.6 | Desin yu xóot, panneau biir oto |
| SPCF | DC05 | A1008 DDS | ≤0.06 | ≤0.35 | 110–220 | 270–350 | ≥43 | ≥1.9 | Nataal bu xóot lool, jëmm yu jaffe |
| SPCG | DC06 | A1008 | ≤0.02 | ≤0.25 | 100–200 | 270–330 | ≥45 | ≥2.1 | Nataal bu xóot lool, pano yu feeñ |
| SPFH490 | — | A1011 HSLA 50 | ≤0.12 | ≤1.60 | ≥325 | ≥490 | ≥23 | — | Piyeesu tabax, kadre toogukaay |
| SPFH540 | — | A1011 HSLA 60 | ≤0.12 | ≤1.80 | ≥355 | ≥540 | ≥20 | — | Chassis reinforcements |
Grades acier roulé à chaud
| Njàngat (JIS) | EN Equivalent | C (%) | Resistence de rendement (MPa) | Force de traction (MPa) | Guddaay (%) | Demànd |
|---|---|---|---|---|---|---|
| SPHC | DD11 / HR1 | ≤0.15 | ≥205 | ≥270 | ≥27 | Formation générale, pièces non critiques |
| SPHD | DD12 / HR2 | ≤0.10 | — | ≥270 | ≥30 | Drawing applications |
| SPHE | DD13 / HR3 | ≤0.06 | — | ≥270 | ≥33 | Deep drawing, oto structural |
| SS400 | S235JR | ≤0.22 | ≥205 | 400–510 | ≥21 | Structural brackets, heavy-gauge parts |
| SS490 | S275JR | ≤0.25 | ≥245 | 490–610 | ≥19 | Heavy-duty structural components |
| SM490A | S355JR | ≤0.20 | ≥275 | 490–610 | ≥22 | Ndawi liggéey yi soxla soudure |
Advanced High-Strength Steel (AHSS) Grades
| Tolluwaay | Xeet tàppe | Yield (MPa) | UTS (MPa) | Guddaay (%) | Rayon de courbure (×t) | Demànd |
|---|---|---|---|---|---|---|
| DP590 | Dual Phase | 330–410 | ≥590 | ≥20 | 1.0 | Support yiy xeex mbëkk, doole |
| DP780 | Dual Phase | 440–560 | ≥780 | ≥14 | 1.5 | Ponk B, traverse pare-choc |
| DP980 | Dual Phase | 600–740 | ≥980 | ≥10 | 2.5 | doole |
| DP1180 | Dual Phase | 850–1050 | ≥1,180 | ≥5 | 4.0 | Brackets yu am doole lool |
| TRIP590 | TUKKI | 380–460 | ≥590 | ≥24 | 1.0 | Energy-absorbing structures |
| TUKK 780 | TUKKI | 450–550 | ≥780 | ≥18 | 1.5 | Crash structures |
| CP780 | Faas bu jafe | 620–750 | ≥780 | ≥10 | 2.0 | Chassis reinforcements |
| CP1180 | Faas bu jafe | 900–1100 | ≥1,180 | ≥5 | 3.5 | Traves anti-intrusion |
| MS1200 | Martensitic | 950–1150 | ≥1,200 | ≥4 | 5.0 | Bumper reinforcements, door beams |
| fb590 | ferrite-bainite | 380–480 | ≥590 | ≥18 | 1.0 | Roues, pièces de chassis |
| TWIP980 | TWIP | 400–500 | ≥980 | ≥50 | 0.5 | ëlëg |
Grades acier inoxydable pour estampage
| Tolluwaay | Xeet tàppe | Yield (MPa) | UTS (MPa) | Guddaay (%) | Magnétique? | Demànd |
|---|---|---|---|---|---|---|
| SUS304 | Austenitic | 205 | 520 | ≥40 | No | Panelu aparey, jumtukaayi lekk |
| SUS301 | Austenitic | 205–510 | 520–1,270 | ≥40–10 | No | Ressorts, clips (travail-hard) |
| SUS430 | Ferrite | 205 | 450 | ≥22 | Waaw | Decorative trim, exhaust components |
| SUS410 | Martensitic | 205 | 440 | ≥20 | Waaw | Couteau, pièces de vanne |
| SUS316L | Austenitic | 175 | 480 | ≥40 | No | Marine, chimik, medsin |
Ngir am ci yeneen leeral ci kàttanu estampation acier inoxydable, xoolal sunu stainless steel tëggin xët.
Acier roulé à chaud vs roulé à froid: yan nga wara tànn?
Liggéeyukaay bi dafay soppi bu baax kalite surfaasu asiye bi, njubte gi ci dimension yi, ak doxalinu mekanik bi. Tegtale bi ci suuf daf lay jàppale nga tànn li gën ci tàmbali sa estampage acier demànd.
| Moomeel | Hot-Rolled (HR) | Cold-Rolled (CR) |
|---|---|---|
| Kalite kaw gi | Balansu moulin, bu dëgërul (Ra 3–8 μm) | Nooy, set (Ra 0,5–1,5 μm) |
| Toleransu dëgëraay | ±0,10–0,15 mm | ±0.02–0.05 mm |
| Yaatuwaayu muñ | ±1.0–2.0 mm | ±0,2–0,5 mm |
| Range jauge | 1.6–12.0 mm | 0.4–3.2 mm |
| Yield strength | Lower (as-rolled) | Lu gëna kawe (liggéey bu dëgër) |
| Guddaay | Higher | Lu gëna suufe |
| Coût par tonne | 15–25% gëna suufe | Higher |
| Bi gën for | Pièces structurelles, brackets yu diis, composants yuñudul gis | Paneel yuñ mëna gis, pàrti yu leer, rëdd yu xóotul ba digg |
| Liggéeyukaay yiñ gëna xam | Blanking, bending, forming | Blanking, dessin, forme, piercing |
| Adhesion peinture | Dafay laaj dindi | Excellent après nettoyage |
Regle bu mag: Jëfandikool laminage à froid ngir lépp luñuy gis, lu am solo ci dimension, wala luy laaj desine. Jëfandikool laminage à chaud ci wàll yiñ tabax, fu surface bi amul benn njariñ, te jauge bi weesuna 3 mm.
Stampage en acier à haute résistance: ay jafe-jafe ak ay pexe
. Processus yi mënu ñu ko def.
Jafe-jafe 1: Ressort bu ëpp
Acier yu am doole yi amnañu ratio yi ci diggante 0.65–0.90 (ak 0.50–0.60 ci asiye bu woyof bi), loolu mooy waral elastisite bi gëna am doole ginaaw bi ñu ko forme.
Solution:
- Overbend ci 2-5 ° liko aju ci grade (jëfandikoo-ak-njuumte wala FEA-simulé compensation).
– Jëfandikool jumtukaayi ñaw yuy wër ngir saytu ni macceer bi di jaar ci zone ñaw bi.
- Defal ay servo pres yu am dëkkuwaay buñ mëna prograam ci diggu dee bi ci suuf ngir wàcce stress ci wàll wi ci matris bi.
– Defar piyees yu am perle yuy dëgëral wala relief ngir tëju ci forme.
Jafe-jafe 2: Wear jumtukaay bu gaaw
Mikrostruktuur yu dëgër yi (martensit, bainite) ci AHSS dañuy gëna gaaw ci surfaasu jumtukaay yi 3 ba 10 yoon gëna gaaw asiye bu woyof bi.
Solution:
– Jëfandikool D2 wala DC53 jumtukaay asiye ak PVD (TiAlN wala CrN) ngir volume yu yam.
– Soppi ci insert carbure wala PM (metallurgie en poudre) asiye jumtukaay (ASP-23, VANADIS 4E) ngir defar lu bari.
– Yokk clearance die ba 10–12% ci dëgëraay bi (kontra 5–7% ci asiye bu woyof).
– Defal filmu bu waw wala lubrifiant yu am presioŋ bu kawe ngir wàññi friksioŋ.
Jafe-jafe 3: Liy laaj ci soudure
Grade AHSS yi dañuy laaj nga saytu bu baax parametru soudure bi ngir moytu zone bi tàngoor wi laal (HAZ) di nooy.
Solution:
– Jëfandikool soudure à tombi résistance ak seytu courant buy méngoo.
– Defar dooley electrode bi ak diir bi muy tëye ci grade bu nekk.
- Xalaatal soudure laser ngir butt joints fu HAZ njiitu nekk critique.
- Saytu dooley soudure ci AWS D8.1M wala OEM-standard.
Jafe-jafe 4: Xar-xar ci rayon yu sew
Grade DP ak martensitic dañu am guddaay bu gàtt (4–14%), moo tax rayon bu dëgër bi mën na xar.
Solution:
– Rayon courbure bi gëna ndaw ≥ 2× yaatuwaayu macceer ngir DP780; ≥ 4x ngir DP1180.
– Jubluwaayu penku gi jub ci yoon wi muy xalangu su ko mënee.
– Jëfandikool formaasioŋ bu tàng (200–300 °C) ngir geometrie yi gëna am jafe-jafe.
– Xalaatal ay blank yuñ soudé yuñ defaree seen bopp – jëfandikoo AHSS ci barab yiñ soxla doole ak asiye bu woyof ci zone biñ defar.
Tànneefi pajum kaw gi ngir piyeesu estampoŋ asiye
Traitement surface dafay musal ci corrosion, gëna rafetal melokaan bi, ba noppi gëna dëgëral peinture bi. Tablo bi ci suuf dafay méngale ñeenti tànneef yiñ gëna xam ci wàllu piyeesu asiye yuñ tampoon.
| Pajum | Doxalin yu xel nàngu | Poids / Épaisseur | Salt Spray Resistance (hours) | Paint Adhesion | Weldability After Treatment | Njëg bu méngoo | Application typique |
|---|---|---|---|---|---|---|---|
| Electro-galvanized (EG) | Deposisioŋ elektronik bu zinc | 5–15 μm | 200–500 | Xereñ | Baax | Low-Medium | Panneau exposé à automobile |
| Galvanisé à chaud (GI) | Immersion in molten zinc | 45–90 g/m2 (ñaari wetu yi) | 300–1,000 | baaxna (ganaw pajum) | Yoon | Digg | Panelu aparey, HVAC, tabax |
| Fosfat (fer wala zinc) | Chemical conversion | 1-3 μm | 50–150 | Xereñ | Baax | Very Low | Traitement pré-peinture pour tous les pièces en acier |
| Manteau électronique (e-coat) | Peinture électrophoretique | 15–25 μm | 500–1,000 | N/A (is the paint) | Poor | Digg | Carrosserie automobile |
| Dakromet / Géomét | Flak zinc-aluminium | 6–10 μm | 500–1,000+ | Yoon | Yoon | Diggu-Kawe | Fixeurs, pièces de suspension, à haute corrosion |
| Manteau de poudre | Electrostatic spray + bake | 60–80 μm | 1,000+ | N/A (es le finition) | N/A | Digg | Xeetu jumtukaayi biti, fotëy, boîtier |
Gitu tànneef:
– Ngir surface yu fësul yu klas A ci oto yi: EG + e-coat + topcoat.
– Ngir cër yiñ tabax ci barab yuy yàqu: GI wala Dacromet.
– Ngir bracket yu am njëg yu yomb: fosfat + manteau poudre.
– Ngir fikseer yu bari korosioŋ: Dacromet wala Geomet.
DFM Xeetu piyeesu estampoŋ asiye
Njàngalem jëmmal ngir defar dafay wàññi njëgu matris bi, gëna baaxal kalite piis yi, wàññi diiru liggéey bi. Jëfandikool tegtal yii ci diiru konsept bi ngir moytu ñu defar seen xaalis ci ginaaw.
sàrti géometrie
- Rayon courbure bi gëna ndaw: 0.5× yaatuwaayu macceer ngir CR asiye bu woyof; 1.0-4.0× ngir AHSS (dafay aju ci grade bi).
- Diametru pax mi gëna ndaw: ≥ dëgëraay bi; ≥ 2× yaatuwaayu pax mi ci barab yu am bride yuñ tàllal.
- Yaatu bride bi gëna ndaw: ≥ 3× yaatuwaayu macceer bi + rayon courbure bi.
- Diggante bi: ≥ yaatuwaayu macceer + rayon courbure ngir moytu distorsion.
- Jubluwaay: Jub ci liiñ bu bënn bi ngir moytu xottiku.
Tolerance Guidance
| Melokaan defar | Muñ buñu mëna yegg | Ak yeneen liggéey |
|---|---|---|
| Profil bu amul dara | ±0.05–0.10 mm | ±0.02 mm (blanking bu baax wala raso) |
| Hole position | ±0.05 mm | ±0.02 mm (post-machinage) |
| Angle de courbure | ±1° | ±0.25° (frein de presse avec coronage CNC) |
| Plateau | 0.2 mm/100 mm | 0,05 mm/100 mm (stamp + dimensionnement) |
| Burr ci boor | ≤ 0.10 mm | ≤ 0.03 mm (deburring) |
Materiaal ak njëg yu baax
- Defar jauge buñ yamale ci benn wàll buy wàññi jauge bi ci benn wàll.
- Piyeesu lënd bu baax ci jëmmal strip - 60-75% jëfandikoo macceer dafay gëna bari ci dies yuy yokk; ci suufu 55% mën nañu ko defaraat.
- Xalaatal boole pàcc yu bari ci benn ensemble buñ tampoon ngir wàññi limu pàcc yi ak liggéey yi ñuy boole.
- Xaarandil surface bi ci barab bi war rek — plaking buñ tànnee wala coating buñ tànnee dafay sakkanal njëg.
- Jëfandikool luy tëggin wen li gëna am solo ngir tànn diggante matris buy yokk, matris buy toxal, wala ligne tandem bu sukkandiko ci volume ak jafe-jafe.
Laaj yu ñuy faral di laaj
Lan mooy wuutale asiye SPCC ak SPCE ngir stampe?
SPCC acier la buñuy jëfandikoo ci anam wu ëpp solo, muy 0.12% ci karbon bi ciy nekk, baaxna ci bërëb yu yomb ak bërëb yu xóotul. SPCE amna àppu karbon bu gëna ndaw (≤0.08%), mangane bu gëna ndaw (≤0.40%), ak guddaay bu gëna rëy (≥41% vs. ≥37%), moo tax mu gëna baax ci liggéeyum rëdd yu xóot. SPCE itam amna r-valeur buñ garanti (ratio deformation plastique) bu ≥1.6, loolu dafay tekki ni du sew suñu koy tàllal. Jëfandikool SPCC ngir bracket ak wàll yu plat; jëfandikoo SPCE sudee cër bi soxla rëdd bu xóot wala jëmmal bu jafee defar.
Kañ laa wara jëfandikoo asiye lamine bu tàng ci palaasu asiye lamine bu sedd bi ngir estamponer?
Tannal acier roulé à chaud sudee pièce bi dafa nekk structurel te du cosmétique, jauge bi dafa weesu 3.2 mm (di ëpp luñu mëna am ci roulé à froid), tolerance dimensionel yu sew soxla wuñu, wala njëg bi mooy dawalkat bu njëkk bi. Acier buñ lamine ci tàng moo gëna néew njëg ci 15 ba 25% ci tonn bu nekk, te dafay gëna gudd, loolu dafay jàppale ci bënn ak defar wàll yu dëll. Waaye, surfaasu eskaalu moulin bi dafay laaj ñu lakk ko wala ñu defaree ko laata ñu koy defaree peinture, ba noppi toleransi dëgëraay bi mooy ±0.10–0.15 mm ak ±0.02–0.05 mm ci laminaasioŋ bu sedd.
Lan laa mëna def ngir moytu xar-xar suñuy stampe asiye bu am doole lool?
Xar-xar ci AHSS dafay faral di am ci rayon coudé yu sew lool ci kàttan elongation grade. Ngir DP590, rayon coudé bi ≥ 1× yaatuwaayu macceer bi; DP780, ≥ 1,5 x; ngir DP980, ≥ 2,5 x; ak ngir xeetu martensitik (MS1200), ≥ 5× yaatuwaay. Orient bënd yi jub ci yoon wi ñuy rolling, jëfandikoo lubrifiant yu am pression bu rëy, nga xalaat forme bu tàng (200-300 °C) ngir geometrie yi gëna laaj. Doxal simulation FEA balaa tabax die dafay teela xàmmee risku xar-xar yi.
Ban pajum surface moo gëna baax ci piyeesu tëggin asiye yi ci biti?
Ngir exposition bu yàgg ci biti, galvanisation à chaud-dip (GI) mooy joxe ratio bi gëna baax ci njëg-aar ak 300–1,000 waxtu yuy xeex xorom, lépp di aju ci diisaayu coating bi. Ngir wàll yi soxla dekoraasioŋ, coating poudre ci kaw surface phosphaté dafay baña yàqu (1,000+ waxtu spray xorom) ak tànneef ci melo ak texture. Dacromet wala Geomet zinc-aluminium flake revêtement yi ñoo gëna baax ci fixateur yi ak pièce yu ndaw yi nga xamni coating bi dafay nuru dëgëraay bi ak risku hydrogène biy yàqu.
Lan mooy njëgu jëfandikoo macceer bu baax ngir tëggin asiye buy yokk?
Tolluwaayu jëfandikoo macceer bu tollu ci 60–75% dañu jàpp ni lu baax la ci estampage matris buy yokk ci piyeesu asiye yi. Njëg yi nekk ci suufu 55% dañuy wax ni dañu wara xoolaat xeetu wàll wi ngir gëna mëna nesting - yokkute yiñ gëna xam ñooy wëlbatiku jubluwaayu wàll wi, séddoo liiñ yu dagg yi ci diggante wàll yi ci wetam, wala jëmmal geometrie strip porteur. Lu ëpp 75% jëfandikoo gi mën nañu ko amee ci pàrti rektangul yu yomb yi. Bépp mbalit buñ dagg dañu ko wara jàngat ngir xam ndax amna ñaareelu yoon ñuy jëfandikoo pàcc yu ndaw yi ci benn strip bi.
Mujjental
Stampage asiye bu baax mingi tàmbali ci méngale grade bi ak ni ñu koy defee. Acier bu woyof (SPCC-SPCE) dafay jëfandikoo pàcc yu gëna bari ci anam wu yomb, waaye grade AHSS (DP, TRIP, CP, MS) dafay joxe doole-ci-diisaay bi oto ak aplikaasioŋu usine yi di laaj - ci njëgu doxalinu liggéey bu gëna dëgër ak jumtukaay yu gëna dëgër. Tanneef ci pajum kaw gi, muñ gi, ak njàngalem DFM ñooy wane ndax piyeesu asiye buñ tampoon dafay joxe liggéey bu wóor ci njëg yu yomb.
Mën nga wax ci sa projet de stampage acier bi ci topp? jokkoo Metal Stamping Parts Ltd ngir ndimbalu ingenieur yi, tegtal ci tànneefi macceer, ak devis liggéey bu xarañ.