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The invention relates to a production method of silicon nitride ceramic balls, which comprises the following steps: S1, grinding silicon nitride, performing filtering, and granulating the filtered silicon nitride; s2, cleaning and drying the granulated silicon nitride particles; s3, putting the dried silicon nitride particles into a mold for pressing, and performing isostatic cool pressing; s4, sintering the formed silicon nitride ceramic balls; s5, cooling the sintered silicon nitride ceramic ball; s6, grinding and polishing the cooled silicon nitride ceramic ball, wherein the grinding and polishing procedure comprises a rough grinding procedure, an accurate grinding procedure and a super-accurate grinding procedure, a micron-sized grinding disc or abrasive paper is adopted in the rough grinding procedure, a sub-micron-sized grinding disc or abrasive paper is adopted in the accurate grinding procedure, and a nano-sized grinding disc or abrasive paper is adopted in the super-accurate grinding procedure. The method has the effect of improving the compression molding efficiency of the silicon nitride particles.
本申请涉及一种氮化硅陶瓷球的生产方法,包括以下步骤:S1、将氮化硅进行粉磨后过滤,过滤后的氮化硅进行造粒;S2、将造粒的氮化硅颗粒进行清洗并烘干;S3、将烘干后的氮化硅颗粒放入模具中压制,并进行冷等静压;S4、将成型后的氮化硅陶瓷球进行烧结;S5、将烧结完毕后的氮化硅陶瓷球进行冷却;S6、将冷却完毕后的氮化硅陶瓷球进行研磨抛光,研磨抛光工序包括粗磨工序、精磨工序和超精磨工序,其中粗磨工序中采用微米级磨盘或砂纸,精磨工序中采用亚微米级磨盘或砂纸,超精磨工序中采用纳米级磨盘或砂纸,本申请具有提高氮化硅颗粒压制成型效率的效果。
The invention relates to a production method of silicon nitride ceramic balls, which comprises the following steps: S1, grinding silicon nitride, performing filtering, and granulating the filtered silicon nitride; s2, cleaning and drying the granulated silicon nitride particles; s3, putting the dried silicon nitride particles into a mold for pressing, and performing isostatic cool pressing; s4, sintering the formed silicon nitride ceramic balls; s5, cooling the sintered silicon nitride ceramic ball; s6, grinding and polishing the cooled silicon nitride ceramic ball, wherein the grinding and polishing procedure comprises a rough grinding procedure, an accurate grinding procedure and a super-accurate grinding procedure, a micron-sized grinding disc or abrasive paper is adopted in the rough grinding procedure, a sub-micron-sized grinding disc or abrasive paper is adopted in the accurate grinding procedure, and a nano-sized grinding disc or abrasive paper is adopted in the super-accurate grinding procedure. The method has the effect of improving the compression molding efficiency of the silicon nitride particles.
本申请涉及一种氮化硅陶瓷球的生产方法,包括以下步骤:S1、将氮化硅进行粉磨后过滤,过滤后的氮化硅进行造粒;S2、将造粒的氮化硅颗粒进行清洗并烘干;S3、将烘干后的氮化硅颗粒放入模具中压制,并进行冷等静压;S4、将成型后的氮化硅陶瓷球进行烧结;S5、将烧结完毕后的氮化硅陶瓷球进行冷却;S6、将冷却完毕后的氮化硅陶瓷球进行研磨抛光,研磨抛光工序包括粗磨工序、精磨工序和超精磨工序,其中粗磨工序中采用微米级磨盘或砂纸,精磨工序中采用亚微米级磨盘或砂纸,超精磨工序中采用纳米级磨盘或砂纸,本申请具有提高氮化硅颗粒压制成型效率的效果。
Production method of silicon nitride ceramic balls
一种氮化硅陶瓷球的生产方法
RUAN TAO (Autor:in)
25.12.2020
Patent
Elektronische Ressource
Chinesisch
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