熔模精密铸造型壳局部保温工艺探讨

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[1]包玉秋,鲁蕊,张大伟,秦磊.熔模精密铸造型壳局部保温工艺探讨[J].特种铸造及有色合金,2012,32(08):759-762.

Bao Yuqiu, Lu Rui, Zhang Dawei, et al. Approach to Insulation on the Local Shell in the Investment Casting[J]. Special Casting & Nonferrous Alloys, 2012,32(8):759-762.
[1]包玉秋,鲁蕊,张大伟,秦磊.熔模精密铸造型壳局部保温工艺探讨[J].特种铸造及有色合金,2012,32(08):759-762. DOI： 10.15980/j.tzzz.2012.08.030.

Bao Yuqiu, Lu Rui, Zhang Dawei, et al. Approach to Insulation on the Local Shell in the Investment Casting[J]. Special Casting & Nonferrous Alloys, 2012,32(8):759-762. DOI： 10.15980/j.tzzz.2012.08.030.

"型壳局部保温"工艺

是在浇口、铸件、浇口+铸件型壳外部制作保温层

延长了钢水的凝固时间

打通、拓宽了浇口对热节的补缩通道

提高了浇口的补缩能力

具有"冒口"作用。该工艺方便灵活

成本低廉

可操作性强

同时可提高铸件工艺出品率

减少钢水的消耗。

Insulation on the local shell is to make insulated layer outside the shell of the gate

castings

gate and castings

which can increase solidification time of the molten steel on the insulated layer and enlarge feeding channel for hot spot

so improving feeding ability of the gate and subjecting to the riser’ function.The process exhibits convenient and flexible

low cost

high feasibility.Meanwhile

it can increase the production yield and reduce the molten steel’s consumption.

“型壳局部保温”工艺冒口缩孔、缩松铸件工艺出品率

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