CN107352984A - 一种研磨球的制备方法 - Google Patents

一种研磨球的制备方法 Download PDF

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CN107352984A
CN107352984A CN201710729609.6A CN201710729609A CN107352984A CN 107352984 A CN107352984 A CN 107352984A CN 201710729609 A CN201710729609 A CN 201710729609A CN 107352984 A CN107352984 A CN 107352984A
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朱建良
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Abstract

本发明公开了一种研磨球的制备方法，包括以下步骤：1）将重量比为1∶18‑30的氧化锆和氧化铝混合球磨至平均粒径为0.8‑1.2μm，得到第一原料粉；2）将步骤1）所制得的第一原料粉与平均粒径为0.3‑0.5μm的白炭黑、平均粒径为0.5‑0.9μm的白云石、平均粒径为0.4‑1.5μm的碳化硅混合均匀后放入成球机中滚制成粒径为45‑55mm的研磨球坯；本发明制备的研磨球不易碎、强度高、耐磨性能好。

Description

一种研磨球的制备方法
技术领域
本发明涉及一种研磨球的制备方法。
背景技术
研磨球广泛用于矿物、陶瓷、涂料、化妆品等各行业原料的研磨加工领域，天然研磨材料在强度上已无法满足日益发展的研磨强度的要求。人造研磨球具有对物料无污染或污染很小、耐酸碱腐蚀能力强、耐磨性能优异等优点而逐渐替代天然研磨材料，研磨球作为一种研磨介质，不仅直接影响到生产效率的高低，而且还会影响到产品质量的好坏。目前市场上的研磨球主要成分包括氧化铝、氧化锆、碳化硅、氮化硅，但是存在易碎、耐磨性能和强度较差的问题。
发明内容
本发明所要解决的技术问题是，克服以上现有技术的缺点：提供一种不易碎、强度高、耐磨性能好的研磨球的制备方法。
本发明的技术解决方案如下：一种研磨球的制备方法，包括以下步骤：
1）将重量比为1∶18-30的氧化锆和氧化铝混合球磨至平均粒径为0.8-1.2μm，得到第一原料粉；
2）将步骤1）所制得的第一原料粉与平均粒径为0.3-0.5μm的白炭黑、平均粒径为0.5-0.9μm的白云石、平均粒径为0.4-1.5μm的碳化硅混合均匀后放入成球机中滚制成粒径为45-55mm的研磨球坯；
3） 将步骤2）制备的研磨球坯置于烧结窑中，以50-68℃/h的升温速率升温至1360-1400℃，保温10-12小时，冷却后即得研磨球。
在步骤2）中，各组分的重量份配比为：第一原料粉 560-780份；白炭黑 16-27份；白云石 120-150份；碳化硅 3-8份。
各组分的重量份配比为：第一原料粉 700份；白炭黑 20份；白云石 120份；碳化硅8份。
在步骤3）中，烧结窑的升温速率为55℃/h。
在步骤3）中，烧结窑的烧结温度为1380℃。
本发明的有益效果是： 本发明通过将采用合理的组分选择及粒径配比混合造粒，以实现良好的晶界结构，有效细化晶粒，使研磨球的耐磨性与强度获得提升。
具体实施方式
下面用具体实施例对本发明做进一步详细说明，但本发明不仅局限于以下具体实施例。
实施例一
按照以下步骤制备研磨球：
1）将重量比为1∶23的氧化锆和氧化铝混合球磨至平均粒径为0.8-1.2μm，得到第一原料粉；
2）将步骤1）所制得的第一原料粉与平均粒径为0.3-0.5μm的白炭黑、平均粒径为0.5-0.9μm的白云石、平均粒径为0.4-1.5μm的碳化硅混合均匀后放入成球机中滚制成粒径为45-55mm的研磨球坯；其中，各组分的重量份配比为：第一原料粉 560份；白炭黑 16份；白云石 120份；碳化硅 3份；
3） 将步骤2）制备的研磨球坯置于烧结窑中，以50℃/h的升温速率升温至1360℃，保温10小时，冷却后即得研磨球。
实施例二
按照以下步骤制备研磨球：
1）将重量比为1∶27的氧化锆和氧化铝混合球磨至平均粒径为0.8-1.2μm，得到第一原料粉；
2）将步骤1）所制得的第一原料粉与平均粒径为0.3-0.5μm的白炭黑、平均粒径为0.5-0.9μm的白云石、平均粒径为0.4-1.5μm的碳化硅混合均匀后放入成球机中滚制成粒径为45-55mm的研磨球坯；各组分的重量份配比为：第一原料粉 780份；白炭黑 27份；白云石150份；碳化硅8份；
3） 将步骤2）制备的研磨球坯置于烧结窑中，以68℃/h的升温速率升温至1400℃，保温12小时，冷却后即得研磨球。
实施例三
按照以下步骤制备研磨球：
1）将重量比为1∶25的氧化锆和氧化铝混合球磨至平均粒径为0.8-1.2μm，得到第一原料粉；
2）将步骤1）所制得的第一原料粉与平均粒径为0.3-0.5μm的白炭黑、平均粒径为0.5-0.9μm的白云石、平均粒径为0.4-1.5μm的碳化硅混合均匀后放入成球机中滚制成粒径为45-55mm的研磨球坯；其中，各组分的重量份配比为：第一原料粉 700份；白炭黑 20份；白云石 120份；碳化硅 8份。
3） 将步骤2）制备的研磨球坯置于烧结窑中，以55℃/h的升温速率升温至1380℃，保温12小时，冷却后即得研磨球。
实施例四
按照以下步骤制备研磨球：
1）将重量比为1∶19的氧化锆和氧化铝混合球磨至平均粒径为0.8-1.2μm，得到第一原料粉；
2）将步骤1）所制得的第一原料粉与平均粒径为0.3-0.5μm的白炭黑、平均粒径为0.5-0.9μm的白云石、平均粒径为0.4-1.5μm的碳化硅混合均匀后放入成球机中滚制成粒径为45-55mm的研磨球坯；各组分的重量份配比为：第一原料粉 780份；白炭黑 27份；白云石150份；碳化硅8份；
3） 将步骤2）制备的研磨球坯置于烧结窑中，以60℃/h的升温速率升温至1400℃，保温12小时，冷却后即得研磨球。
实施例五
按照以下步骤制备研磨球：
1）将重量比为1∶30的氧化锆和氧化铝混合球磨至平均粒径为0.8-1.2μm，得到第一原料粉；
2）将步骤1）所制得的第一原料粉与平均粒径为0.3-0.5μm的白炭黑、平均粒径为0.5-0.9μm的白云石、平均粒径为0.4-1.5μm的碳化硅混合均匀后放入成球机中滚制成粒径为45-55mm的研磨球坯；其中，各组分的重量份配比为：第一原料粉 700份；白炭黑 20份；白云石 120份；碳化硅 8份。
3） 将步骤2）制备的研磨球坯置于烧结窑中，以50℃/h的升温速率升温至1380℃，保温12小时，冷却后即得研磨球。
以上仅是本发明的特征实施范例，对本发明保护范围不构成任何限制。凡采用同等交换或者等效替换而形成的技术方案，均落在本发明权利保护范围之内。

Claims (5)

1.一种研磨球的制备方法，其特征在于：包括以下步骤：
1）将重量比为1∶18-30的氧化锆和氧化铝混合球磨至平均粒径为0.8-1.2μm，得到第一原料粉；
2）将步骤1）所制得的第一原料粉与平均粒径为0.3-0.5μm的白炭黑、平均粒径为0.5-0.9μm的白云石、平均粒径为0.4-1.5μm的碳化硅混合均匀后放入成球机中滚制成粒径为45-55mm的研磨球坯；
3） 将步骤2）制备的研磨球坯置于烧结窑中，以50-68℃/h的升温速率升温至1360-1400℃，保温10-12小时，冷却后即得研磨球。
2. 根据权利要求1所述的研磨球的制备方法，其特征在于：在步骤2）中，各组分的重量份配比为：第一原料粉 560-780份；白炭黑 16-27份；白云石 120-150份；碳化硅 3-8份。
3. 根据权利要求2所述的研磨球的制备方法，其特征在于：各组分的重量份配比为：第一原料粉 700份；白炭黑 20份；白云石 120份；碳化硅 8份。
4.根据权利要求1所述的研磨球的制备方法，其特征在于：在步骤3）中，烧结窑的升温速率为55℃/h。
5.根据权利要求4所述的研磨球的制备方法，其特征在于：在步骤3）中，烧结窑的烧结温度为1380℃。
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Application publication date: 20171117