Njàngalem piyeesu tëggin wen buñu mëna defaree ci anam wu wóor te baax wuute na ak jëmmal piyees bu “nuru lu baax” ci CAD. Bracket buy modele bu baax ci SolidWorks mën na nekk luy jur ay scrap ci dëru press bi - ndax defarkat bi dafa sàggane sàrtu rayon coudé bu gëna ndaw wala def pax mu jege lool benn boor.
. jëfandikoo ay sàrt yuñ firndeel - yu bawoo ci physique jumtukaay, doxalinu macceer, ak fukki at ci jaar-jaar - ngir mëna wóor ni sa wàll mën nañu ko stampe ci volume production te du am lu ëpp lu jumtukaay bi di jëfandikoo, xaaj boor yi, wala derive dimensionnel.
Ci tegtal bii, di nga jàng juróomi sàrt yu am solo yi ci jëmmal jëmmal, jëmmal jëmmal jëmmal geometrie yu kawe, naka la grade macceer diglee sa tànneef ci jëmmal, juróom ñaari njuumti yi gëna bari ci jëmmal, ab royuwaay buy muñ, ak liggéey bi mat sëkk daale ko ci model 3D ba ci saytu xët bu njëkk bi.
Fundamental Rules of tëggin metal ci matris Part Design
Rayon bu gëna ndaw
Sooy bënn tóol, surfaasu biti bi dafay fuddu, surfaasu biir bi dafay gëna am doole. Sudee rayon bi dafa seere lool ci yaatuwaayu macceer bi, fibre yi ci biti dañuy xottiku.
| Matériel | Rayon bi gëna ndaw biñ digal |
|---|---|
| Asie bu woyof (CRS, HRPO) | 1.0 × épaisseur du matériel (1T) |
| Acier inoxydable (304, 316) | 1.5T – 2.0T |
| aluminium (5052, 6061) | 1.0T – 1.5T |
| Cuivre / Cuivre | 0.5T – 1.0T |
| Ressort Acier / Duré | 3.0T – 4.0T |
Sëggal ci wàllu pepp mi dafay laaj rayon bu gëna rëy moo gën sëggal ak pepp mi. Ngir coudé critique, leeral yoon wi pepp bi di jaar ci nataal bi nga yokk 50% ci rayon bi gëna ndaw sudee coudé bi dafa transversal.
Diggante pax mi ak catu
pax yiñ bënn jege catu wàll wi lool dina gëna xëcc wala xotti catu wàll wi ci biti.
- For holes under 6 mm diameter: ≥ 1.5T from the trimmed edge
- For holes 6–12 mm: ≥ 2.0T from the edge
- Ngir pax yu ëpp 12 mm: ≥ 2.5T ci catu
Fexeel ba pax yi am 2.5T + rayon coudé bu sori ci bépp ligne tangente bu coudé.
Yaatuwaayu xarxar bi ak diggante màndarga yi
- Yaatu pax mi dafa wara ëpp 1.0T
- Guddaayi fiil bi warul weesu 5× yaatuwaayu lëmu bi ngir punch bu am benn gaaraas
- Parallel slots must be separated by ≥ 2.0T of material
- Moytul koñ yu ñaw yi ci biir xarxar yi — jëfandikoo rayon bu gëna ndaw 0.5 mm
Rayon koñ ci kaw profil yu amul dara
- Koñ yi ci biti: rayon bu gëna ndaw 0.5T
- Koñ yi ci biir: rayon 1.0T bu gëna ndaw, gëna baax 1.5T
- Noches de relief ci croisement courbe yi: 1.0T rayon bi gëna ndaw
tëggin bu xóot tëggin Design Guidelines
lu ëpp diametre bi.
Rasio desin
Benn lim bi gëna am solo: Ratio rëdd (β) = Diamètre blanc / Diamètre punch
- Single draw: β ≤ 2.0 for most materials
- Acier inoxydable: β ≤ 1,8 dans un seul tirage
- Aluminium: β ≤ 1.7 ci benn yoon
- Sudee β > 2.0, fàww ñu defar ay etape yu bari ak annealing bu digg
Limiting Draw Ratio (LDR)
| Matériel | LDR tipik |
|---|---|
| DDQ Acier | 2.2 – 2.3 |
| 304 Inoxydable (annélé) | 2.0 – 2.1 |
| 5052 Aluminum (O-temper) | 1.8 – 1.9 |
| Cuivre (annélé) | 2.1 – 2.2 |
| Cuivre (70/30) | 2.0 – 2.1 |
Tanneef yiñ wara jëfandikoo ak yaatuwaayam
| Matériel | Typical Thickness (mm) | Key Design Consideration |
|---|---|---|
| Cold-Rolled Steel | 0.4 – 3.2 | Formability bu baax; rayon de courbure serre |
| Acier inoxydable 304/316 | 0.3 – 3.0 | Ressort bu kawe (ba 3× CRS); Dafay laaj nga gëna xëcc |
| Stainless Steel 430 | 0.3 – 2.5 | Magnétique, ressort moins que 304 |
| aluminium 5052-h32 | 0.5 – 3.0 | Formabilite bu baax, ressort bu yam |
| Aluminum 6061-T6 | 0.5 – 3.0 | Formability bu baaxul ci T6; xoolaat O-temper + toppatoo tàngoor |
| Cuivre C11000 | 0.3 – 2.0 | Formabilité bu baax; |
Dañu wara màrki yoon wi pepp mi jaar saa yu nekk ci sa dessin sudee pièce bi amna ay courbure yu am rayon bu dëgër.
Njuumte yu bari ci jëmmal
Jumtukaay 1: pax yi jege nañu lool liiñ yiy bënn — Fexeel am ≥ 2.5T + yaatuwaayu rayon courbe. Mandargal pierce bi ci ginaaw formileer bi sudee mënoo ko moytu.
Njuumte 2: Koñ yu ñaw yi ci biir - Yokk 0.5T radius ci koñ yi ci biir yépp.
Jumtukaay 3: Tolerans yu dalal yu amul dëgg - Ni ñu ko tamponee mooy 0.5% ci dimensioŋ bi gëna gudd ci wàll yi gëna néew 2mm ci yaatuwaay.
Juumte 4: Bayyi xel ci Springback — Ressort bi dafay dellu ginaaw 1-3° ngir asiye bu woyof, ba 8° ngir inox. Mandargal angle bu ëpp.
Juumte 5: Muñ lu ëpp man-mani yi dul dox - Jëfandikool ISO 2768-m ngir tolerans général, denc tolerans yu sew ngir surface datum.
Juumte 6: Temperaasioŋ bu jaarul yoon — 6061-T6 xar-xar ci 90° courbes. Jëfandikool O wala T4 température + traitement thermique ginaaw forme, wala nga soppi ci 5052-H32.
Jumtukaay 7: Baña bàyyi xel ci jëmmu strip bi — Séddoo geometrie teel. Nesting bu baax dafay puus jëfandikoo macceer ci kaw 75%.
Royuwaay
| Xeetu man-man | Typical | Ak jumtukaay yu jaar yoon |
|---|---|---|
| Diametru pax mi ñu bënn | ±0.05 mm | ±0.025 mm |
| Position pax mi (digg ba ci digg) | ±0.10 mm | ±0.05 mm |
| Angle de courbure | ±1.0° | ±0.5° |
| Bent feature position | ±0,20 mm | ±0.10 mm |
| Profil bitti bu amul dara | ±0.10 mm | ±0.05 mm |
| Diametru coquillage biñ desine | ±0.15 mm | ±0,08 mm |
Design dem ci defar
- Xoolaat jëmmal ak DFM: Yonneel xeetu 3D, jot rapoor DFM ak ay xalaat
- Xeetu strip ak jëmmal jumtukaay: 2-4 ayu-bis ngir jëmmal jumtukaay
- Tool Fabrication and Tryout: 2-5 iterations until parts meet spec
- Saytu xët bu njëkk bi (FAI): Xeetu jëmmal bu mat sëkk ci AS9102 wala PPAP
- Ramp-Up ak SPC: Xool liggéeyum lim ci diir bu yàgg
Laaj yu ñuy faral di laaj
Lan mooy rayon courbure bi gëna ndaw ngir tëggin acier inoxydable?
Ci asiye inox austenitic yu melni 304 ak 316, rayon bi gëna ndaw bi ñuy digal ci biir mooy 1.5 ba 2.0 yoon dëgëraay bi suñuy bënn ak pepp mi. Sooy bënn ci pepp mi, yokk ko ba 2.0T ba 2.5T. Ngir grade yu am doole yu melni 301 full hard, jëfandikoo 3T ba 4T.
Ban jege la pax mi mëna jege catu pàcc buñ tampoon?
Diggante bi dox diggante pax mi ak catu pax mi gëna jege war na nekk 1.5T ci pax yi gëna ndaw 6mm, 2.0T ci pax yu 6-12mm, ak 2.5T ci pax yu ëpp 12mm. Soo nekkee ci wetu liiñ buy bënn, jëfandikoo 2.5T boole ci rayon bërëb bi muy distance bi gëna ndaw.
Lan mooy wuutale tëggin ak dessin profond?
tëggin ab baat la bu yaatu buy tënk bépp liggéeyu defar tóol — fomp, bënn, bënn, defar xaalis, ak defar lu xóotul. Nataal bu xóot mooy benn ensemble bu ñuy rëdd ab blank bu plat ci biir matris ngir defar ci koppu, pot, wala shell bu xóotaayu bi ëpp diametre bi.
Ban alloy aluminium moo gëna baax ci piyees yuñ tampoñ te soxla bënn?
5052-H32 mooy alloy aluminium biñ taamu ngir pièce yuñ tampone te soxla forming bu am solo. Dafay mëna dékku 90° ci rayon 1.0T ba 1.5T te du xar. Moytul 6061-T6 ngir bënn yu sew - jëfandikoo O wala T4 temper ak màgget ginaaw forme, wala nga soppi ci 5052-H32.
Ñaata lay njëg ngir defar jumtukaayi matris yuy yokk?
Ngir ab bracket asiye bu yomb (4-6 gaaraas), $5,000-$15,000. Piyees yu gëna mag ak 8-12 gaaraas ak ay dugal karbure: $20,000-$50,000+. Defar bu xóot bu bari etape ngir inox: $80,000+. Lii ay figure ballpark lañu - yonneel ab model 3D ngir am devis bu jaar yoon.
Ndax dama wara leeral fi peppu macceer bi wara jaar ci sama nataalu tëggin bi?
Waaw - ngir bépp wàll bu am rayon courbure bu néew 2T ci asiye wala 3T ci inox. Bending ak pepp bi dafay tax rayon yi gëna seere waaye gëna ressort; ci pepp mi dafay laaj rayon yu gëna rëy waaye dafay joxe angle yu gëna dëppoo.
Ndax mën nañu souder pièce yuñ stampé ginaaw biñu ko forme?
Waaw. Ëmbeef yi gëna bari ci asiye ak aluminium mën nañu leen souder ci soudure à point resistance, MIG, TIG, wala soudure laser. Defaral ay bride yu plat te neexa yegg, am 8mm ci zone de soudure bi ngir mëna yegg ci electrode yi.
Yonnee say nataal ngir ñu jàngat leen ci DFM te doo fay
Sunu ekipu ingénieur yi dañuy xoolaat bis bu nekk jëmmal komponent yiñ tampoon. Yonnee sa dosiye STEP ak nataal 2D, ci diir bu weesuwul 48 waxtu jot ci rapoor DFM bu leer, coppite yiñ nara def ci jëmmal, xayma jumtukaay yu njëkk yi, ak xalaat yiñ la xelal ci jumtukaay yi.
Jokkoo leen ak nun ngir tàmbali seen jàngat DFM te doo fay.