Investment Casting Foundry | Sand Casting Foundry kubva kuChina

Stainless Simbi Castings, Gray Iron Castings, Ductile Iron Castings

Alloy Steel Shell Mold Casting

Tsanangudzo Pfupi

Kukanda Masimbi: Kandira Alloy Steel

Kugadzira Kugadzira: Resin Sand Shell Mold Kukanda

Kushanda: Heavy Duty Truck

Kurema: 8.20 kg

Kurapa Kwepamusoro: Yakagadzirirwa

 

Cast alloy simbi inofanirwa kushandiswa kana simba rekukanda richikwira uye kushandiswa kwesimbi yakakandwa haigone kuita zvinodiwa. Nekudaro, iyo fluidity yesimbi yakanyungudutswa yesimbi yakanyungudutswa haina kunaka seye simbi yakakandwa, saka ukobvu hwekudurura chimiro hachifanirwe kuve chidiki uye chimiro hachifanirwe kunge chakaoma. Kana iyo silicon yemukati ichidzorwa pamuganho wepamusoro, iyo fluidity yesimbi yakanyungudutswa inogona kuvandudzwa. Iyo resin yakavharwa jecha shell casting inonziwo shell (core) jecha casting. Iko kusanganisa nemichina poda thermosetting phenolic muti nejecha mbishi uye yakaomeswa kuti ive yakaoma uye yakasimba kana ichipisa.


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Panguvashell mold casting, isati yaita mold uye nheyo, jecha rakaputirwa rakafukidzwa nefirimu yakasimba resin pamusoro pezvikamu zvejecha. Jecha rakavharwa rinonziwo goko (core) jecha. Iko kusanganisa nemichina poda thermosetting phenolic muti nejecha mbishi uye yakaomeswa kuti ive yakaoma uye yakasimba kana ichipisa. Yakagadzirwa kuita jecha rakavharidzirwa nekushandisa thermoplastic phenolic resin plus latent curring agent (senge urotropine) uye lubricant (senge calcium stearate) kuburikidza neimwe nzira yekupfekedza. Kana jecha rakaputirwa richipisa, resin yakavharwa pamusoro pezvikamu zvejecha inonyunguduka. Resin yakanyungudutswa inokurumidza kushanduka kubva pachimiro chemutsara kuenda kune isingagoneke muviri chimiro kuitira kuti jecha rakaputirwa rive rakasimba nekuumbwa. Pamusoro peiyo yakajairika yakaoma granular fomu yejecha rakavharwa, kune zvakare rakanyorova uye viscous rakavharwa jecha.

Resin jecha rakaputirwa jechashell casting partsine zvinotevera maitiro:
1) Iine akakodzera simba rekuita. Inogona kusangana nezvinodiwa kune yakakwirira-simba shell core jecha, yepakati-simba rinopisa-bhokisi jecha, uye pasi-simba risina-ferrous alloy jecha.
2) Yakanakisa fluidity, yakanaka moldability yejecha musimboti uye yakajeka ratidziro, iyo inogona kuburitsa yakanyanya kuoma jecha cores, senge jecha remvura jecha cores senge cylinder misoro nemitumbi yemuchina.
3) Hunhu hwepamusoro hwejecha core yakanaka, compact uye haina kusununguka. Kunyangwe kana kushoma kana kusavharwa kwakaiswa, zvirinani zvemhando yepamusoro zvekukanda zvinogona kuwanikwa. The dimensional kunyatsoita castings anogona kusvika CT7-CT8, uye pamusoro roughness Ra anogona kusvika 6.3-12.5μm.
4) Kudonha kwakanaka, kunobatsira pakukanda kuchenesa nekuvandudza kuita kwechigadzirwa
5) Iyo jecha musimboti haisi nyore kutora unyoro, uye kusimba kwekugara kwenguva refu hakusi nyore kuderera, iyo inobatsira kuchengetedza, kutakura uye kushandisa.

Kugadzira maitiro eakavharidzirwa jecha mold (musimboti) kugadzira goko rekuumba kukanda:
1. Nzira yekutanga yekugadzira yakavharwa jecha mold (core) ndeiyi: flip kana kuputira jecha → crust → kuburitsa jecha → kuoma → musimboti ( mold) zvichingodaro.
1) Shandura kana kuputira jecha. Kureva kuti, jecha rakaputirwa rinodururwa paganda mold kana kupeperetswa mukati mebhokisi repakati kugadzira goko kana goko repakati.
2) Encrustation. Ukobvu hweganda reganda rinodzorwa nekugadzirisa kupisa kwekupisa uye kubata nguva.
3) Kubuda kwejecha. Rongedza mold uye bhokisi repakati kuita kuti jecha risina kuvharwa ridonhe kubva pagoko rinopisa, woriunganidza kuti rizoshandiswazve. Kuti zvive nyore kubvisa jecha risina kunyunguduka rakaputirwa, kana zvichidikanwa, nzira yemagetsi yekuzunungusa kumashure uye mberi inogona kugamuchirwa.
4) Kuomesa. Mumamiriro ekupisa, kuitira kuti kukora kwegomba kuve yunifomu, ita kuti ibatane nepamusoro peganda rinopisa mukati meimwe nguva yekuwedzera kuoma.
5) Tora musimboti. Tora iyo yakaomeswa goko chimiro uye shell core kunze kwe mold uye musimboti bhokisi.

pre-coated jecha shell yekukanda
shell mold yakagadzirira kukanda

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