Tambarin ƙarfe da mutu simintin su ne biyu daga cikin mafi yadu amfani masana'antu tafiyar matakai don samar da high girma karfe sassa. Zaɓin tsakanin su kai tsaye yana tasiri farashin naúrar ku, tooling zuba jari, juriya mai girma, da lokacin jagora. Wannan jagorar ya rushe bambance-bambancen maɓalli 12 - tare da tebur bayanai da misalai na ainihi - don haka za ku iya zaɓar tsarin da ya dace don aikinku.
Menene Tambarin Karfe?
Tambarin ƙarfe yana amfani da latsawa da mutuƙar al'ada don yanke, lanƙwasa, siffa, da siffata lebur ɗin ƙarfe ko naɗa zuwa sassan da aka gama. Ayyuka sun haɗa da ɓarna, huda, lankwasawa, zane, ƙirƙira, da jeri na mutuwa masu ci gaba. bugawa ya yi fice wajen samar da adadi mai girma na sassa ko matsakaicin kafa tare da matsananciyar haƙuri da ƙarancin ayyukan sakandare.
Kayan yau da kullun sun haɗa da ƙaramin carbon karfe, bakin karfe, aluminum, jan ƙarfe, da tagulla a cikin kauri daga 0.1 mm zuwa 12 mm. Lokutan zagayowar kewayo daga sassa 30 zuwa 1,500 a cikin minti daya ya danganta da saurin latsawa da mutuƙar wahala.
Menene Die Casting?
Die jefa sojojin narkakkar karfe - yawanci aluminum, zinc, ko magnesium gami - a cikin wani karfe mold rami karkashin babban matsa lamba (10-175 MPa). Ƙarfe ɗin yana ƙarfafa da sauri, yana samar da hadaddun sassa masu girma uku tare da ƙarewar ƙasa mai santsi. Mutuwar simintin gyare-gyare ita ce tafi-da-gidanka don ƙayyadaddun tsarin geometries waɗanda ba zai yiwu ba ko rashin tattalin arziki don tambari.
Hot-chamber mutu simintin gyare-gyaren tutiya da magnesium gami; sanyi-chamber mutu simintin gyare-gyare rike da aluminum da kuma tagulla gami. Lokutan zagayowar yawanci suna kewayo daga daƙiƙa 30 zuwa mintuna 2 a kowane bangare, ya danganta da girman sashi da kaurin bango.
12 Maɓalli Maɓalli: Ƙarfe bugawa vs Die Casting
1. Part Geometry da Complexity
Ƙarfe tambarin yana samar da sassa daban-daban ko matsakaicin kafa - braket, shirye-shiryen bidiyo, tashoshi, shims, da shinge. Siffofin 3D masu rikitarwa suna buƙatar tashoshin mutuwa da yawa ko ayyuka na biyu. Die simintin gyare-gyare na zahiri yana samar da hadaddun geometries na 3D gami da fasalulluka na ciki, bangon bakin ciki, da rikitattun kwalaye a zagaye guda.
| Siga | Tambarin Karfe | Die Casting |
|---|---|---|
| Geometry | Flat / 2D / matsakaici 3D | Complex 3D tare da fasali na ciki |
| Kaurin bango | 0.1-12 mm (ma'auni) | 1.5–6 mm (min. bango) |
| Ƙarƙashin | Ba zai yiwu ba tare da ops na sakandare | Yiwuwa tare da nunin faifai / cores |
2. Kudin Kayan aiki
bugawa ya mutu daga $ 5,000 don kayan aiki masu sauƙi guda ɗaya zuwa $ 150,000+ don mutuwa mai ci gaba tare da tashoshi 20+. Mutuwar simintin gyare-gyare sun fi tsada sosai: $20,000 don sassaukan zinc zuwa $500,000+ don manyan gidaje na aluminum tare da nunin faifai da yawa da tashoshi masu sanyaya. Mafi girman tsadar kayan aikin simintin gyare-gyare yana nuna rikitaccen tsarin sarrafa zafi da fitarwa.
3. Kudin Raka'a a Juzu'i
A juzu'i sama da sassa 100,000, tambarin ƙarfe yana ba da ƙarancin farashi na raka'a - sau da yawa $ 0.02- $ 0.50 kowane sashi don sassauƙan geometries. Farashin naúrar simintin kashe ya bambanta daga $0.50-$15.00 dangane da gami, girman sashi, da lokacin sake zagayowar. Madaidaicin madaidaicin ya dogara da lissafin lissafi: sassa masu sassauƙa na lebur sun fi son yin tambari a kowane ƙara, yayin da hadaddun sassan 3D na iya fifita yin simintin mutuwa sama da raka'a 10,000.
| Girman girma | Karfe bugawa ($/bangare) | Die Casting ($/bangare) |
|---|---|---|
| 1,000–5,000 | $0.50–$5.00 | $3.00–$25.00 |
| 10,000–50,000 | $0.10–$2.00 | $1.50–$12.00 |
| 100,000–1,000,000+ | $0.02–$0.50 | $0.50–$8.00 |
4. Dimensional Tolerance
Ƙarfe bugawa yana samun ± 0.01-0.05 mm akan maɗaukaki masu mahimmanci, yana mai da shi manufa don daidaitattun abubuwa kamar lambobin lantarki da sassan kayan aikin likita. Mutuwar simintin gyare-gyare yawanci tana riƙe da ± 0.1-0.5 mm, tare da ƙarin juriya waɗanda za a iya samun su akan takamaiman fasali ta hanyar injina.
5. Zabin Abu
bugawa yana aiki tare da kowane ƙarfe - ƙarfe, bakin karfe, aluminum, jan ƙarfe, tagulla, titanium, da gami na musamman. Die simintin yana iyakance ga simintin simintin gyare-gyare, musamman aluminum (A380, A383, ADC12), zinc (Zamak 3, 5, 7), magnesium (AZ91D, AM60), da wasu abubuwan gami na jan karfe. Idan ɓangaren ku yana buƙatar ƙarfe mai ƙarfi ko takamaiman allo, yin tambari shine kawai zaɓi.
6. Ƙarshen Sama
Die simintin samar da santsi as-simintin saman (Ra 1.6-6.3 μm) dace da kwaskwarima aikace-aikace tare da kadan karewa. Sassan da aka hatimi suna riƙe da ƙarshen saman takarda amma suna iya nuna alamun kayan aiki, bursu, ko yankunan nakasa waɗanda ke buƙatar ɓarna ko tutting. Don samfuran mabukaci na bayyane, yin simintin mutuwa sau da yawa yana buƙatar ƙarancin sarrafawa.
7. Saurin samarwa
Tambarin ƙarfe yana da sauri sosai: matsananciyar mutuwa tana gudana a bugun bugun jini 100-1,500 a cikin minti ɗaya, yana haifar da ƙarshen kowane bugun jini. Lokacin sake zagayowar simintin gyare-gyaren yana daga daƙiƙa 30 zuwa mintuna 2 a kowane harbi. Don wani ɓangare tare da ƙarar shekara-shekara 100,000 +, hatimi na iya kammala samar da shekara a cikin sa'o'i; mutuwar simintin gyare-gyare na iya buƙatar kwanaki ko makonni na lokacin inji.
8. Rage Nauyin Sashe
bugawa yana ɗaukar sassa daga ƙasa da gram 1 (lambobin lantarki) zuwa 50 kg (bankunan tsarin mota). Mutuwar simintin gyare-gyare yana rufe nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i) amma ya fi dacewa da tattalin arziki ga sassa tsakanin gram 10 da 25kg. Ƙananan sassa sun yarda da bugawa; manya-manyan gidaje, hadaddun gidaje sun yarda da yin simintin gyare-gyare.
9. Ƙarfi da Kayayyakin Tsarin
Abubuwan da aka hatimi suna riƙe da cikakken ƙarfin ƙarfe na mahaifa - karfe mai sanyi a 270-700 MPa ƙarfi, dangane da fushi. Abubuwan da aka kashe na simintin gyare-gyare suna da ƙarancin ƙarfi (aluminum A380: 310 MPa) kuma yana iya ƙunsar porosity wanda ke rage rayuwar gajiya. Don kayan aikin kayan aiki masu ɗaukar nauyi, hatimi ko tambarin majalisai-da-welded sau da yawa suna fin ɓangarorin simintin gyare-gyare.
10. Sassaucin Zane don Siraran bango
Die simintin ƙware a samar da bakin ciki-bango simintin gyaran kafa - aluminum mutu simintin gyare-gyare na iya cimma 1.0-1.5 mm kauri bango a fadin manyan wurare. bugawa yana samar da kauri iri ɗaya daidai da ma'aunin farawa, ba tare da ikon bambanta kaurin bango a cikin sashe ɗaya ba tare da ayyukan sakandare ba.
11. Ayyukan Sakandare
bugawa sau da yawa yana haɗa ayyukan sakandare (tapping, waldi, saka fasteners) a cikin mutuwa mai ci gaba, rage duka sarrafawa. Sassan simintin gyare-gyare akai-akai suna buƙatar datsa (deflashing), CNC machining na filaye masu mahimmanci, da jiyya a saman (rufin foda, anodizing, plating). Jimillar kuɗin mallakar dole ne ya haɗa da waɗannan ayyuka na ƙasa.
12. Lokacin jagora
Lokacin jagorar kayan aikin hatimi yana daga makonni 4-8 don ci gaba da mutuwa. Mutuwar lokacin jagorar ƙirar ƙira shine yawanci makonni 8-16 don kayan aikin ƙira, tare da ƙarin lokacin gwaji da haɓaka tsari. Don ayyukan tare da ƙayyadaddun lokaci mai tsanani, bugawa yana ba da hanya mai sauri daga ƙira zuwa samarwa.
Lokacin Zabar Tambarin Karfe
- Sashe na geometry lebur ne, lanƙwasa, ko matsakaicin kafa
- Adadin shekara ya wuce raka'a 50,000
- Haƙuri mai ƙarfi (± 0.05 mm ko mafi kyau) ana buƙatar
- Dole ne kayan ya zama ƙarfe mai ƙarfi, bakin ƙarfe, ko gawa na musamman
- Saurin samarwa da sauri yana da mahimmanci
- Rawanin kudin naúrar a babban girma shine direba na farko.
Lokacin da za a Zaɓi Die Casting
- Sashe yana da hadadden lissafi na 3D tare da fasali na ciki
- Ganuwar bakin ciki (1.0 – 2.0 mm) a manyan wuraren ana buƙatar
- Aluminum ko zinc gami an kayyade
- Ƙirar ƙasa mai laushi kai tsaye daga tsari ana buƙatar
- Volume ya tabbatar da mafi girma kayan aiki zuba jari (10,000+ raka'a)
- samar da Netize
Kwatanta Kuɗi: Misalin Duniya na Gaskiya
Ka yi la'akari da wani hawa sashi, 80 mm × 50 mm × 15 mm, a aluminum:
| Factor | Tambarin Karfe | Die Casting |
|---|---|---|
| Kayan aiki farashi | $15,000 | $45,000 |
| Unit kudin a 100K | $0.35 | $1.80 |
| Kayan aiki na shekara-shekara + sassa (100K) | $50,000 | $225,000 |
| Lokacin kaiwa ga samarwa | 6 makonni | 12 makonni |
Don wannan sashin, bugawa yana adana $175,000 kowace shekara a ƙarar 100K - rage farashin 78%. Koyaya, idan sashin yana da hadaddun haƙarƙari na ciki da shugabanni masu hawa, jefa simintin gyare-gyare zai zama zaɓi ɗaya kawai mai yuwuwa.
Tambayoyin da ake yawan yi
Can karfe bugawa maye gurbin mutu simintin mota?
Domin lebur ko moderately kafa tsarin aka gyara - brackets, reinforcements, wurin zama Frames, da kuma jiki panels riga mamaye tsari. Mutuwar simintin gyare-gyare an fi so don tubalan injuna, gidajen watsawa, da hadaddun simintin simintin gyare-gyare inda 3D geometry da hadedde fasali ke da mahimmanci. Halin zuwa gigacasting (manyan simintin aluminium guda ɗaya) yana faɗaɗa rawar simintin mutuwa a cikin tsarin jikin EV.
Wanne tsari ne mafi alhẽri ga pro?
Babu wani tsari da ya dace don ƙirar ƙira mai ƙima. Don yin hatimi, kayan aiki mai laushi ko waya EDM na iya samar da sassan samfuri na 10-100 a $1,000-$5,000. Don yin simintin mutuwa, gyare-gyaren yashi da aka buga na 3D ko simintin ƙarancin matsa lamba na iya samar da sassan samfuri 5-50. Domin gaskiya m prototyping, la'akari CNC machining ko sheet karfe Laser yankan a matsayin gada tafiyar matakai kafin aikata ga samar da kayan aiki.
Ta yaya zan ƙididdige ƙarar da ba ta dace ba tsakanin bugawa da mutu simintin?
Breakeven volume = (Die Casting Tooling – kayan aikin bugawa) ÷ (Farashin Rubutun Tambari – Kuɗin Rukunin Casting Die). Misali: ($45,000 – $15,000) ÷ ($1.80 – $0.35) = 20,690 raka’a. A ƙasan wannan ƙarar, simintin kashe kashe yana da arha kowane sashi gami da amortization na kayan aiki. Sama da shi, hatimi yana samun nasara. Wannan dabarar tana ɗaukar aikin sashi iri ɗaya - idan sashin lissafi yana buƙatar yin simintin mutuwa, kwatancen ba ya nan.
Me game da hada hanyoyin biyu?
Majalisu da yawa suna amfani da abubuwan da aka hatimi don lebur/kafaffen abubuwan da suka mutu da simintin gyare-gyare don hadaddun gidaje. Haɓaka ƙira suna haɓaka farashi ta hanyar sanya kowane ƙaramin sashi zuwa mafi kyawun tsarin sa na tattalin arziki. Fasteners, abubuwan da ake sakawa, da maɓalli yawanci ana hatimi; gidaje da tarkace an kashe su. Ana haɗa taron ta hanyar walda, riveting, ko haɗin haɗin gwiwa.
Wane tsari ya fi dorewa?
Tambarin ƙarfe yana haifar da ƙarancin juzu'i - ci gaba ya mutu yana samun 60-85% amfani da kayan aiki, kuma guntun kwarangwal yana iya sake yin amfani da shi gabaɗaya. Die Simintin gyare-gyare yana da mafi girman ƙimar tarkace (5-15% daga ƙofofi, masu gudu, da walƙiya) amma aluminum da zinc alloys ana iya sake yin amfani da su marasa iyaka. Duk hanyoyin biyu sun fi ɗorewa fiye da injina daga billet, wanda ke haifar da sharar swarf 40-70%.