Ductile cast iron resin yakavharwa jecha castings yemotokari yekutakura ine CNC machining masevhisi.
Resin yakavharwa jecha shell mold kukandainzira iyo jecha rakavhenganiswa ne thermosetting resin inobvumirwa kusangana nesimbi inopisa pateni ndiro, kuitira kuti goko rakatetepa uye rakasimba rekuumbwa riumbwe rakatenderedza pattem. Zvadaro goko rinobviswa kubva pamuenzaniso uye cope uye kudhonza zvinobviswa pamwe chete uye zvinochengetwa muflask ine inodiwa yekudzosera zvinhu uye simbi yakanyungudutswa inodururwa muforoma.
Cast irons ndiwo maferrous alloys ane carbon content inopfuura 2%. Kunyangwe simbi dzakakandwa dzinogona kuva nekabhoni muzana pakati pe2 kusvika 6.67, muganho unoshanda unowanzo pakati pe2 ne4%. Izvi zvakakosha zvakanyanya nekuda kwehunhu hwavo hwekukanda hwakanakisa. Iyo grey cast irons uye ductile cast irons (inonziwo nodular cast iron kana spheroidal graphite iron).
Kana graphite iripo sediki, denderedzwa, uye yakagovaniswa zvidimbu, kushaya simba kwayo idiki uye simbi dzakakandwa dzakadaro dzinenge dziine ductility yakakwirira. Iri rudzi rwesimbi yakakandwa inonzi ductile kana nodular iron kana spheroidal graphite kana kungoti SG iron. Iyi fomu yegraphite inogona kuwanikwa nekuwedzera elemental magnesium kana cerium kana musanganiswa wezvinhu zviviri izvi kusimbi yakanyungudutswa. Magnesium inowedzerwa muhuwandu hwe0.07 kusvika 0. 10% inoteverwa nekuwedzera kweferro-silicon kukurudzira graphitization. Munguva yekusimba, magnesium inobatsira mukugovera graphite mukati mesimbi yese.
Ductile cast iron ine zvirinani simba-ku-huremu reshiyo, zvirinani machinability uye yakakwirira kukanganisa kukosha. Uyezve, iyoductile iron zvikamuzvinogadzirwa nekukanda maitiro umo kudzora kurinani kwechikamu chimiro kunogona kuwanikwa kana ichienzaniswa nekudonha kwefodya. Nekudaro, zvakawanda zvinoumba senge crank shafts uye machira ekubatanidza anogadzirwa kazhinji nekudonhedza madonhwe ari kuwedzera kutsiviwa ne ductile iron castings.
Zvakanakira zveResin Coated Sand Shell Mold Casting:
1. Resin Coated Sand Shell-mold castings kazhinji ine dimensional yakarurama pane kukanda jecha. Zvinokwanisika kuwana kushivirira kwe +0.25 mm yesimbi castings uye +0. 35 mm yegrey cast iron castings pasi pemamiriro ekushanda. Panyaya yepedyo yakashivirira magoko maforomo, munhu anogona kuiwana muhupamhi hwe +0.03 kusvika +0.13 mm kune chaiwo maapplication.
2. Nzvimbo yakapfava inogona kuwanikwa mushell castings. Izvi zvinonyanya kuwanikwa neiyo yakatsetseka saizi tsanga inoshandiswa. Iyo yakajairika huwandu hwekukasharara ndeyekurongeka kwe3 kusvika ku6 microns.
3. Draft angles, iyo yakaderera pane jecha castings, inodiwa muhombodo. Kudzikiswa kwemakona ekudhirowa kunogona kubva pa50 kusvika 75%, iyo inochengetedza zvakanyanya mutengo wezvinhu uye mutengo unotevera wekugadzira.
4. Dzimwe nguva, macores akakosha anogona kubviswa mukuumbwa kwegoko. Sezvo jecha riine simba rakawanda mold inogona kugadzirwa nenzira yekuti magonhi emukati anogona kuumbwa zvakanangana nekudiwa kwegomba cores.
5. Uyezve, zvikamu zvakatetepa zvikuru (kusvika ku 0.25 mm) yemhando yemhepo-yakatonhorera misoro ye cylinder inogona kugadzirwa nyore nyore neshell molding nekuda kwesimba rakakwirira rejecha rinoshandiswa pakuumba.
6. Permeability yehoko yakakwirira uye naizvozvo hapana gasi inclusions inoitika.
7. Ijecha shoma shoma rinoda kushandiswa.
8. Michina inogoneka nyore nyore nekuda kwekugadzirisa kuri nyore kunobatanidzwa mukuumbwa kwegoko.
Raw Materials for Resin Coated Sanding Casting process:
• Simbi yekukanda: Grey Cast Iron, Ductile Cast Iron.
• Kanda Carbon Steel uye Alloy Steel: Low Carbon Steel, Medium Carbon Steel uye High Carbon Steel kubva kuAISI 1020 kusvika kuAISI 1060; 20CrMnTi, 20SiMn, 30SiMn, 30CrMo, 35CrMo, 35SiMn, 35CrMnSi, 40Mn, 40Cr, 42Cr, 42CrMo... nezvimwewo pakukumbira.
• Kanda Stainless Steel: AISI 304, AISI 304L, AISI 316, AISI 316L uye imwe giredhi resimbi isina tsvina.
• Kanda Aluminium Alloys.
• Brass & Copper.
• Zvimwe Zvishandiso neMitemo pakukumbira
▶ Resin Yakavharwa Nejecha Kukandira Matanho:
• Kukura Kwepamusoro: 1,000 mm × 800 mm × 500 mm
• Weight Range: 0.5 kg - 100 kg
• Kwegore Kukwanisa: 2,000 matani
• Kushivirira: Pakukumbira.
▶ KuongororaResin Coated Sand Castings:
• Spectrographic uye manual quantitative analysis
• Metallographic analysis
• Brinell, Rockwell uye Vickers kuoma kwekuongorora
• Kuongororwa kwemidziyo yemagetsi
• Low uye zvakajairika tembiricha kukanganisa kuedza
• Kuongororwa kweutsanana
• UT, MT uye RT kuongorora
▶ Resin Yakavharwa Nejecha Maitiro ekukanda:
✔ Kugadzira Metal Pateni. Iyo pre-yakavharwa resin jecha inoda kupiswa mumapateni, saka mapatani esimbi ndiwo anodiwa ekushandisa kugadzira goko rekuumba castings.
✔ Kugadzira Pre-coated Sand Mold. Mushure mekuisa simbi mapatani pamushini wekuumba, iyo pre-yakavharwa resin jecha inopfurwa mumapateni, uye mushure mekupisa, resin yekupfekedza ichanyungudutswa, ipapo molds yejecha inova yakasimba jecha goko uye cores.
✔ Kunyungudutsa iyo Cast Metal. Uchishandisa masimbi ekupinza, zvinhu zvacho zvaizonyungudutswa kuita mvura, zvino maumbirwo emakemikari esimbi yemvura anofanirwa kuongororwa kuti aenderane nenhamba dzinodiwa uye muzana.
✔ Kudira Simbi. Kana iyo simbi yakanyunguduka inosangana nezvinodiwa, zvino ichadururwa muhombodo dzeganda. Zvichienderana neakasiyana mavara ekugadzira dhizaini, molds magoko anovigwa mujecha rakasvibira kana kurongedzwa nematanho.
✔ Kupfura Kuputika, Kukuya uye Kuchenesa. Mushure mekutonhodzwa uye kusimba kwekukanda, makwikwi, masuwo kana simbi yakawedzerwa inofanira kugurwa uye kubviswa. Ipapo masimbi anocheneswa nejecha rekupenengura kana michina yekupfutidza. Mushure mekugaya musoro wegedhi uye mitsara yekuparadzanisa, zvikamu zvakapedzwa zvekukanda zvaizouya, zvakamirira mamwe maitiro kana zvichidiwa.
▶ Post-Casting Maitiro
• Kubvisa & Kuchenesa
• Shot Blasting / Jecha Peening
• Kupisa Kurapa: Kugadzirisa, Kudzima, Kupisa, Carburization, Nitriding
• Surface Treatment: Passivation, Andonizing, Electroplating, Hot Zinc Plating, Zinc Plating, Nickel Plating, Polishing, Electro-Polishing, Painting, GeoMet, Zintec.
• CNC Machining: Kushandura, Kugaya, Lathing, Drilling, Honing, Grinding.
▶ Chikonzero Nei UchisarudzaRMC FoundryyeShell Mold Casting Components?
✔ Kururamisa uye nekudaro kushandiswa kwezvinhu kwakakwira. Iwe uchawana mambure kana padhuze-neti-chimiro zvigadzirwa mushure megoko rekukanda kukanda, zvichienderana nezvinodiwa zvevashandisi vekupedzisira, hapazove kana kana kushoma machining maitiro anodiwa.
✔ Kuita kurinani kwepamusoro. Nekuda kwezvinyo-tekinoroji zvekugadzira, izvo zvinokandwa kubva kugoko remugodhi zvine yakanyanya kunaka uye yakakwirira yekurongeka kwepamusoro.
✔ Sarudzo yakanaka yakadzikama uchienzanisa nekukanda jecha nekudyara. Iyo shell molding casting ine kuita zvirinani uye pamusoro pane kukanda jecha, nepo iine mutengo wakaderera pane chaiyo yekukanda mari.
