CN101648257B - 一种球铁产品保温帽的制备工艺 - Google Patents

一种球铁产品保温帽的制备工艺 Download PDF

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CN101648257B
CN101648257B CN2009100336990A CN200910033699A CN101648257B CN 101648257 B CN101648257 B CN 101648257B CN 2009100336990 A CN2009100336990 A CN 2009100336990A CN 200910033699 A CN200910033699 A CN 200910033699A CN 101648257 B CN101648257 B CN 101648257B
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CN101648257A (zh
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俞保平
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FANCHANG COUNTY TIANHE MACHINERY CO., LTD.
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俞保平
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Abstract

本发明公开了一种球铁产品保温帽的制备工艺,该工艺包括利用发电厂废碴(空心微珠)、镁砂、水玻璃等配制而成。经模具成型(可根据产品的大小和壁厚来制作模型),再经220℃烧烤;生产工艺:先用94%镁砂加6%水玻璃配制成面砂,薄薄的抹一层在保温帽模型上,然后用96%空心微珠加4%的水玻璃混制在前道模型上成型,约15-20毫米厚度。然后兑模烧烤。保温里面涂一层保温涂料;先用94%镁砂加6%水玻璃配制成面砂,薄薄的抹一层在保温帽模型上,然后用96%空心微珠加4%的水玻璃混制在前道模型上成型,在用94%型砂加6%水玻璃配制成面砂,约6-100毫米厚度。然后兑模烧烤;生产好的保温帽座再用石墨涂料涂刷一层,烘干;用以上方法生产的保温帽普通保温帽保温延长10分钟以上,保温效果好,且所用的保温帽尺寸小30%,节约的铁水材料,生产出的产品基本无铸造缺陷。

Description

一种球铁产品保温帽的制备工艺
技术领域:
本发明制备工艺方法是球墨铸铁件在浇注后防止铸件产生缩孔、缩松以及气孔等铸造缺陷。
技术背景:
随着球墨铸铁配件被大量用于机械的整体配套当中,因为它的高强度和高韧性等优点,广泛用于各种产品及流体管件的使用。但在铸造过程中易产生缩孔、缩松以及气孔等铸造缺陷,使产品成品率低下,给生产厂家带来很多的浪费和损失。
发明内容
本发明的目的在于解决球铁铸铁件产品在铸造生产过程中出现的技术性难题,使之达到生产成本低、应用范围广、产品性能好,无铸造缺陷的优质产品。
技术方案:
本发明技术方案有以下步骤:保温帽分保温帽上帽和底座。
1、保温帽上帽:
<1>利用空心微珠、镁砂、水玻璃等配制而成保温帽上帽;经模具成型可根据产品的大小和壁厚来制作模型,再经220℃烧烤;
<2>生产工艺:先用94%镁砂加6%水玻璃配制成面砂,薄薄的抹一层在保温帽模型上,然后用96%空心微珠加4%的水玻璃混制在前道模型上成型,厚度为15-20毫米,然后兑模烧烤;保温帽里面涂一层保温涂料;
2保温帽底座:
<1>先用94%镁砂加6%水玻璃配制成面砂,薄薄的抹一层在保温帽模型上,然后用96%空心微珠加4%的水玻璃混制在前道模型上成型,再用94%型砂加6%水玻璃配制成面砂,厚度为6-100毫米,然后兑模烧烤;
<2>生产好的保温帽座再用石墨涂料涂刷一层,烘干。
主要优点:用以上方法生产的保温帽普通保温帽保温延长10分钟以上,保温效果好,且所用的保温帽尺寸小30%,节约的铁水材料,生产出的产品基本无铸造缺陷。
检测表明:普通保温帽保温时间为每分钟下降15℃,采用以上方法生产的保温帽每分钟下降8℃。

Claims (1)

1.一种球铁产品保温帽的制备工艺,其特征在于:
1、保温帽上帽:
<1>利用空心微珠、镁砂、水玻璃配制而成保温帽上帽;经模具成型可根据产品的大小和壁厚来制作模型,再经220℃烧烤;
<2>生产工艺:先用94%镁砂加6%水玻璃配制成面砂,薄薄的抹一层在保温帽模型上,然后用96%空心微珠加4%的水玻璃混制在前道模型上成型,厚度为15-20毫米,然后兑模烧烤;保温帽里面涂一层保温涂料;
2、保温帽底座:
<1>先用94%镁砂加6%水玻璃配制成面砂,薄薄的抹一层在保温帽模型上,然后用96%空心微珠加4%的水玻璃混制在前道模型上成型,再用94%型砂加6%水玻璃配制成面砂,厚度为6-100毫米,然后兑模烧烤;
<2>生产好的保温帽底座再用石墨涂料涂刷一层,烘干。
CN2009100336990A 2009-06-26 2009-06-26 一种球铁产品保温帽的制备工艺 Expired - Fee Related CN101648257B (zh)

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