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Stainless Simbi Castings, Gray Iron Castings, Ductile Iron Castings

Grey Cast Iron Investment Casting

Grey Cast Iron Investment Casting Featured Image
  • Grey Cast Iron Investment Casting

Tsanangudzo Pfupi

  • Kukandira Metal: Grey Kukandira Iron
  • Casting process: Investment Casting
  • Chikamu Kuremera kweKukanda: 8.60 kg
  • Application: Agricultural Machinery
  • Kurapa Kwepamusoro: Shot Blasting
  • Kupisa Kurapa: Annealing + Normalization

 

Gray cast iron investment castings ndiyo chaiyo yekukandwa inogadzirwa neyakarasika wax inogadzirwa negrey iron. PaRMC Foundry, tinogona kupa iyo yakasarudzika-yakagadzirwa uye CNC machining masevhisi sepakudhirowa kwako, mashandisiro uye zvaunoda.


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Grey cast iron castings inowanzo gadzirwa nejecha rekukanda maitiro, zvisinei, kune mamwe ma castings ayo anoda kurongeka uye ane chimiro chakaoma, iyoinvestment casting processzvakare isarudzo yakanaka.

Kana isu tikakanda grey iron, isu tinonyatso kutevedzera kemikari kuumbwa uye michina zvivakwa zvinoenderana nenyeredzi kana zvinodiwa kubva kune vatengi. Kunze kwezvo, isu tine kugona uye midziyo yekuyedza kana paine kukanganisa kwekukanda mukati megrey iron jecha.

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. Grey iron yakachipa kupfuura ductile iron, asi ine simba rakaderera uye ductility pane ductile iron. Grey iron haigone kutsiva iyo kabhoni simbi, nepo ductile iron inogona kutsiva iyo kabhoni simbi mune imwe mamiriro ezvinhu nekuda kwekusimba kwakanyanya, kusimba kwegoho uye kurebesa kweiyo ductile iron.

Investment (yakarasika wakisi) inzira yekukandira nemazvo padhuze-neti-shape details uchishandisa kudzokororwa kwewakisi. Investment casting kana kurasika wakisi isimbi yekukanda nzira iyo inowanzo shandisa wakisi pateni yakakomberedzwa negoko receramic kugadzira mold yeceramic. Kana goko raoma, wakisi inonyunguduka, kuchisiya mold chete. Zvadaro chikamu chekukanda chinoumbwa nekudururira simbi yakanyungudutswa mumucheka weceramic.

Silica sol casting process ndiyo huru yekudyara yekukandira maitiro eRMC investment casting foundry. Isu tanga tichigadzira tekinoroji nyowani yekunamatira zvinhu kuti tiwane zvakanyanya hupfumi uye zvinoshanda zvekunamira zvinhu kuvaka iyo slurry shell. Icho chiitiko chinokatyamadza kuti Silica sol casting process inotsiva iyo yakaoma yakaderera yemvura girazi process, kunyanya yekukandira simbi isina tsvina uye alloy simbi yekukanda. Kunze kweiyo yakagadziridzwa yekuumba zvinhu, iyo silica sol yekukanda maitiro zvakare iri kuvandudzwa kune yakanyanya kusimba uye kushoma kuwedzera kupisa.

Chinhu zvinoenderana neDIN EN 1561 Kuyera Unit SH-GJL-150 EN-GJL-200 SH-GJL-250 EN-GJL-300 EN-GJL-350
EN-JL 1020 EN-JL 1030 EN-JL 1040 EN-JL 1050 EN-JL 1060
Tensile Simba Rm MPA 150-250 200-300 250-350 300-400 350-450
0.1% Goho Simba Rp0,1 MPA 98-165 130-195 165-228 195-260 228-285
Elongation Simba A % 0,3 – 0,8 0,3 – 0,8 0,3 – 0,8 0,3 – 0,8 0,3 – 0,8
Compressive Strength σdB MPa 600 720 840 960 1080
0,1% Compressive Strength pd0,1 MPa 195 260 325 390 455
Flexural Strength σbB MPa 250 290 340 390 490
Schuifspanning σaB MPa 170 230 290 345 400
Shear Stress TtB MPa 170 230 290 345 400
Modules ye elasticity E GPa 78 - 103 88 – 113 103 – 118 108 – 137 123 - 143
Poisson nhamba v - 0,26 0,26 0,26 0,26 0,26
Brinell kuoma   HB 160 - 190 180 - 220 190 - 230 200 - 240 210 - 250
Ductility σbW MPa 70 90 120 140 145
Tension uye kumanikidzwa kuchinja σzdW MPa 40 50 60 75 85
Kuputsa Simba Klc N/mm3/2 320 400 480 560 650
Density   g/cm3 7,10 7,15 7,20 7,25 7,30
grey iron castings
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