CN102240982A - Sialon ceramic grinding disc and manufacture method thereof - Google Patents
Sialon ceramic grinding disc and manufacture method thereof Download PDFInfo
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- CN102240982A CN102240982A CN2011101681637A CN201110168163A CN102240982A CN 102240982 A CN102240982 A CN 102240982A CN 2011101681637 A CN2011101681637 A CN 2011101681637A CN 201110168163 A CN201110168163 A CN 201110168163A CN 102240982 A CN102240982 A CN 102240982A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 59
- 238000000227 grinding Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title description 4
- 238000004519 manufacturing process Methods 0.000 title description 2
- 239000000843 powder Substances 0.000 claims abstract description 42
- 238000002360 preparation method Methods 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000010304 firing Methods 0.000 claims abstract description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 6
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims abstract description 6
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000008384 inner phase Substances 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims abstract description 4
- 230000016507 interphase Effects 0.000 claims abstract description 3
- 238000009415 formwork Methods 0.000 claims description 17
- 239000002245 particle Substances 0.000 claims description 10
- 238000000462 isostatic pressing Methods 0.000 claims description 7
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 5
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 5
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 239000008385 outer phase Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 239000011863 silicon-based powder Substances 0.000 abstract 1
- 238000005482 strain hardening Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 description 5
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 238000000748 compression moulding Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
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Abstract
本发明提供一种赛龙陶瓷磨盘及制备方法，其特征在于：包括有一定壁厚的陶瓷圆环(A)，在陶瓷圆环(A)的一个面上分布着凸起(15)和凹陷(16)相间的沟槽，沿着陶瓷圆环外侧和内相间均匀分布八个相同规格的通孔(17)；制备方法包括原料制备、压制、烧成、加工，其特征在于：将氮化硅粉体、氮化铝粉体和氧化铝粉体均匀混合后外加氧化钇粉体均匀混合后制备成造粒粉体(14)，然后均匀装入特制模具中，在适当的压力下等静压成型并保压，然后脱模制成赛龙陶瓷磨盘坯体，经烧成，经冷加工，制成赛龙陶瓷磨盘。该赛龙陶瓷磨盘强度高，韧性高，耐磨性能优良，使用寿命长，适合工业化大生产。
The invention provides a Sailong ceramic grinding disc and a preparation method, which are characterized in that: a ceramic ring (A) with a certain wall thickness is included, and protrusions (15) and depressions are distributed on one surface of the ceramic ring (A) (16) interphase grooves, eight through holes (17) of the same specification are evenly distributed along the outer side of the ceramic ring and between the inner phases; the preparation method includes raw material preparation, pressing, firing, and processing, and is characterized in that: Silicon powder, aluminum nitride powder and alumina powder are uniformly mixed, and then yttrium oxide powder is added to prepare granulated powder (14), and then evenly loaded into a special mold, isostatically Pressing and maintaining the pressure, and then demoulding to make the body of Sailong ceramic grinding disc, after firing and cold working, the Sailong ceramic grinding disc is made. The Sailong ceramic grinding disc has high strength, high toughness, excellent wear resistance and long service life, and is suitable for large-scale industrial production.
Description
技术领域 technical field
本发明涉及一种赛龙陶瓷磨盘及制备方法，属于结构陶瓷制备技术领域。The invention relates to a Sailong ceramic grinding disc and a preparation method thereof, belonging to the technical field of structural ceramic preparation.
背景技术 Background technique
陶瓷磨盘通常是采用注浆成型，或压制成扇形小块瓷坯经烧成、加工、然后拼成陶瓷磨盘，目前生产的陶瓷磨盘由于工艺技术的限制，生产的陶瓷磨盘强度低、韧性低、平整度差，生产成本高，使用寿命短。Ceramic grinding discs are usually formed by grouting, or pressed into fan-shaped small pieces of ceramic blanks, fired, processed, and then assembled into ceramic grinding discs. Due to the limitation of process technology, the ceramic grinding discs produced at present have low strength and low toughness. The flatness is poor, the production cost is high, and the service life is short.
发明内容 Contents of the invention
本发明的目的在于提供一种能克服上述缺陷、适应工作条件范围宽、性能优良的赛龙陶瓷磨盘及制备方法。其技术方案为：The object of the present invention is to provide a Sailong ceramic grinding disc and a preparation method that can overcome the above defects, adapt to a wide range of working conditions and have excellent performance. Its technical solution is:
包括有一定壁厚的陶瓷圆环(A)，在陶瓷圆环(A)的一个面上分布着凸起(15)和凹陷(16)相间的沟槽，沿着陶瓷圆环外侧和内相间均匀分布八个相同规格的通孔(17)。It includes a ceramic ring (A) with a certain wall thickness. On one surface of the ceramic ring (A), there are grooves interspersed with protrusions (15) and depressions (16), along the outer and inner phases of the ceramic ring. Evenly distribute eight through holes (17) of the same specification.
所述的赛龙陶瓷磨盘的制备方法，将氮化硅粉体32.9～83.1％、氮化铝粉体4.85～19.2％和氧化铝粉体12.1～47.9％均匀混合后外加粒度小于1μm的3～6mol％氧化钇粉体均匀混合后制备成粒度为0.1～0.5mm的造粒粉体(14)，然后均匀装入特制模具中，在压力为50～300Mpa.的压力下等静压成型并保压10～30分钟，然后脱模制成赛龙陶瓷磨盘坯体，在1650～1950℃×1～3小时氮气气氛下烧成，经冷加工，制成赛龙陶瓷磨盘。The preparation method of Sailong ceramic grinding disc, uniformly mixes 32.9-83.1% of silicon nitride powder, 4.85-19.2% of aluminum nitride powder and 12.1-47.9% of alumina powder, and then adds 3-3% of particle size less than 1 μm 6mol% yttrium oxide powders are uniformly mixed and prepared into granulated powders (14) with a particle size of 0.1-0.5mm, and then evenly packed into a special mold, and isostatically pressed under a pressure of 50-300Mpa. Press for 10 to 30 minutes, and then demould to make a Sailong ceramic grinding disc green body, burn it under a nitrogen atmosphere at 1650-1950 ° C for 1 to 3 hours, and make a Sailong ceramic grinding disc through cold processing.
所述的赛龙陶瓷磨盘的制备方法，特制模具包括上模板(1)、上模板橡胶垫(2)、中模圆筒(3)、中模橡胶圆筒(4)、下模板橡胶垫(5)、下模板(6)、主芯筒(7)、主模卡具(8)、主芯筒卡具(9)、主芯筒橡胶筒(10)、辅芯筒(11)、辅芯筒卡具(12)和辅芯筒橡胶筒(13)，其中上模板(1)、中模圆筒(3)、下模板(6)、主芯筒(7)和辅芯筒(11)均由0.5～3mm厚的不锈钢制成的且在版面或圆周面上均布许多直径为2mm通孔。The preparation method of described Sailong ceramic grinding disc, special mold comprises upper template (1), upper template rubber pad (2), middle mold cylinder (3), middle mold rubber cylinder (4), lower template rubber pad ( 5), the lower template (6), the main core (7), the main mold clamp (8), the main core clamp (9), the main core rubber tube (10), the auxiliary core (11), the auxiliary Core tube fixture (12) and auxiliary core tube rubber tube (13), wherein upper template (1), middle mold cylinder (3), lower template (6), main core tube (7) and auxiliary core tube (11 ) are made of stainless steel with a thickness of 0.5 to 3mm, and many through holes with a diameter of 2mm are uniformly distributed on the layout or the circumferential surface.
所述的赛龙陶瓷磨盘的制备方法，压制时先将上模板橡胶垫(2)安装在上模板(1)上，将主芯筒橡胶筒(10)套装在主芯筒(7)上，再将辅芯筒橡胶筒(13)套装在辅芯筒(11)上，然后将套装好的主芯筒(7)和辅芯筒(11)套装在上模板(1)的相应位置，用主芯筒卡具(9)和辅芯筒卡具(12)与上模板(1)定位固定，再将中模圆筒(3)内衬橡胶筒(4)并与上模板(1)固定，然后装入造粒粉体(14)，再将下模板橡胶垫(5)和下模板(6)套装在中模圆筒(3)内衬橡胶筒(4)的另一端用主模卡具(8)、主芯筒卡具(9)和辅芯筒卡具(12)定位、密封固定，放入等静压成型机内，液压油自上模板(1)、中模圆筒(3)、下模板(6)、主芯筒(7)和辅芯筒(11)的版面或圆周面上均布许多通孔，将压力通过橡胶垫或橡胶筒作用于造粒粉体(14)，压制成型，然后脱模制成赛龙陶瓷磨盘坯体。In the preparation method of the Sailong ceramic grinding disc, the upper template rubber pad (2) is first installed on the upper template (1) when pressing, and the main core barrel rubber tube (10) is set on the main core barrel (7), Then set the auxiliary core barrel rubber tube (13) on the auxiliary core barrel (11), then set the set main core barrel (7) and auxiliary core barrel (11) on the corresponding position of the upper template (1), use The main core tube clamp (9) and auxiliary core tube clamp (12) are positioned and fixed with the upper template (1), and then the middle mold cylinder (3) is lined with rubber tube (4) and fixed with the upper template (1) , then load the granulation powder (14), then set the lower formwork rubber pad (5) and the lower formwork (6) on the other end of the middle mold cylinder (3) lined with rubber cylinder (4) and use the main mold card Fixture (8), main core tube clamp (9) and auxiliary core tube clamp (12) are positioned, sealed and fixed, and put into the isostatic pressing molding machine. 3), the lower template (6), the main core (7) and the auxiliary core (11) are evenly distributed with many through holes on the layout or circumferential surface, and the pressure is applied to the granulated powder (14) through the rubber pad or rubber tube. ), pressed into shape, and then demoulded to make a Sailong ceramic grinding disc green body.
本发明与现有技术相比，其优点为：Compared with the prior art, the present invention has the advantages of:
1、本发明生产赛龙陶瓷磨盘显微结构均匀，强度高，整体可靠性高，适应工作条件范围宽等特点；1. Sailong ceramic grinding discs produced by the present invention have the characteristics of uniform microstructure, high strength, high overall reliability, and wide range of adaptability to working conditions;
2、由于本方法采用了整体等静压成型，使得赛龙陶瓷磨盘整体结构均匀，外形尺寸精确，使用寿命长。2. Because this method adopts integral isostatic pressing, the overall structure of Sailong ceramic grinding disc is uniform, the external dimension is accurate, and the service life is long.
附图说明 Description of drawings
图1是赛龙陶瓷磨盘实施例的结构示意图，其中，图(A)为赛龙陶瓷磨盘主视图，图(B)为赛龙陶瓷磨盘俯视图，图(C)为赛龙陶瓷磨盘局部放大图；Fig. 1 is a structural schematic diagram of an embodiment of Sailong ceramic grinding disc, wherein, Figure (A) is a front view of Sailong ceramic grinding disc, Figure (B) is a top view of Sailong ceramic grinding disc, and Figure (C) is a partial enlarged view of Sailong ceramic grinding disc ;
图2是赛龙陶瓷磨盘实施例的模具结构示意图，其中，图(D)为赛龙陶瓷磨盘模具局部放大图。Fig. 2 is a schematic diagram of the mold structure of an embodiment of the Sailong ceramic grinding disc, wherein, Figure (D) is a partial enlarged view of the Sailong ceramic grinding disc mold.
图中：1、上模板、2、上模板橡胶垫、3、中模圆筒、4、中模橡胶圆筒、5、下模板橡胶垫、6、下模板、7、主芯筒、8、主模卡具、9、主芯筒卡具、10、主芯筒橡胶筒、11、辅芯筒、12、辅芯筒卡具、13、辅芯筒橡胶筒、14、造粒粉体、15凸起、16凹陷、17、通孔。In the figure: 1, upper formwork, 2, upper formwork rubber pad, 3, middle mold cylinder, 4, middle mold rubber cylinder, 5, lower formwork rubber pad, 6, lower formwork, 7, main core barrel, 8, Main mold clamp, 9, main core tube clamp, 10, main core tube rubber tube, 11, auxiliary core tube, 12, auxiliary core tube clamp, 13, auxiliary core tube rubber tube, 14, granulation powder, 15 protrusions, 16 depressions, 17, through holes.
具体实施方式 Detailed ways
在图1-2所示的实施例中：赛龙陶瓷磨盘包括有一定壁厚的陶瓷圆环(A)，在陶瓷圆环(A)的一个面上分布着凸起(15)和凹陷(16)相间的沟槽，沿着陶瓷圆环外侧和内相间均匀分布八个相同规格的通孔(17)。压制时先将上模板橡胶垫(2)安装在上模板(1)上，将主芯筒橡胶筒(10)套装在主芯筒(7)上，再将辅芯筒橡胶筒(13)套装在辅芯筒(11)上，然后将套装好的主芯筒(7)和辅芯筒(11)套装在上模板(1)的相应位置，用主芯筒卡具(9)和辅芯筒卡具(12)与上模板(1)定位固定，再将中模圆筒(3)内衬橡胶筒(4)并与上模板(1)固定，然后装入造粒粉体(14)，再将下模板橡胶垫(5)和下模板(6)套装在中模圆筒(3)内衬橡胶筒(4)的另一端用主模卡具(8)、主芯筒卡具(9)和辅芯筒卡具(12)定位、密封固定，放入等静压成型机内，液压油自上模板(1)、中模圆筒(3)、下模板(6)、主芯筒(7)和辅芯筒(11)的版面或圆周面上均布许多通孔，将压力通过橡胶垫或橡胶筒作用于造粒粉体(14)，压制成型，然后脱模制成赛龙陶瓷磨盘坯体。In the embodiment shown in Fig. 1-2: Sailong ceramic grinding disc comprises the ceramic ring (A) of certain wall thickness, is distributed with protrusion (15) and depression (15) on one face of ceramic ring (A). 16) Interphase grooves, eight through holes (17) of the same specification are evenly distributed between the outer and inner phases of the ceramic ring. When pressing, first install the rubber pad (2) of the upper template on the upper template (1), set the main core tube rubber tube (10) on the main core tube (7), and then set the auxiliary core tube rubber tube (13) On the auxiliary core (11), then set the set main core (7) and auxiliary core (11) on the corresponding position of the upper template (1), and use the main core clamp (9) and auxiliary core Cylinder fixture (12) is positioned and fixed with the upper template (1), and then the middle mold cylinder (3) is lined with rubber tube (4) and fixed with the upper template (1), and then loaded with granulated powder (14) , and then set the lower formwork rubber pad (5) and lower formwork (6) on the other end of the middle mold cylinder (3) lined with rubber cylinder (4) and use the main mold fixture (8) and main core cylinder fixture ( 9) Position, seal and fix with the auxiliary core tube fixture (12), put it into the isostatic pressing molding machine, and the hydraulic oil flows from the upper mold plate (1), the middle mold cylinder (3), the lower mold plate (6), and the main core There are many through holes evenly distributed on the layout or the circumference of the barrel (7) and the auxiliary core barrel (11), and the pressure is applied to the granulated powder (14) through the rubber pad or rubber barrel, pressed and formed, and then demoulded to form a match Long ceramic grinding disc green body.
实施例1Example 1
1、原料制备1. Raw material preparation
将氮化硅粉体83.1％、氮化铝粉体4.85％和氧化铝粉体12.1％均匀混合后外加粒度小于1μm的3mol％氧化钇粉体均匀混合后制备成粒度为0.1mm的造粒粉体(14)。83.1% of silicon nitride powder, 4.85% of aluminum nitride powder and 12.1% of alumina powder are uniformly mixed, and then 3mol% yttrium oxide powder with a particle size of less than 1 μm is added to prepare a granulated powder with a particle size of 0.1mm body (14).
2、压制成型2. Compression molding
压制时先将上模板橡胶垫(2)安装在上模板(1)上，将主芯筒橡胶筒(10)套装在主芯筒(7)上，再将辅芯筒橡胶筒(13)套装在辅芯筒(11)上，然后将套装好的主芯筒(7)和辅芯筒(11)套装在上模板(1)的相应位置，用主芯筒卡具(9)和辅芯筒卡具(12)与上模板(1)定位固定，再将中模圆筒(3)内衬橡胶筒(4)并与上模板(1)固定，然后装入造粒粉体(14)，再将下模板橡胶垫(5)和下模板(6)套装在中模圆筒(3)内衬橡胶筒(4)的另一端用主模卡具(8)、主芯筒卡具(9)和辅芯筒卡具(12)定位、密封固定，放入等静压成型机内，液压油自上模板(1)、中模圆筒(3)、下模板(6)、主芯筒(7)和辅芯筒(11)的版面或圆周面上均布许多通孔，将压力通过橡胶垫或橡胶筒作用于造粒粉体(14)，在50Mpa的压力下成型并保压10分钟，然后脱模制成赛龙陶瓷磨盘坯体。When pressing, first install the rubber pad (2) of the upper template on the upper template (1), set the main core tube rubber tube (10) on the main core tube (7), and then set the auxiliary core tube rubber tube (13) On the auxiliary core (11), then set the set main core (7) and auxiliary core (11) on the corresponding position of the upper template (1), and use the main core clamp (9) and auxiliary core Cylinder fixture (12) is positioned and fixed with the upper template (1), and then the middle mold cylinder (3) is lined with rubber tube (4) and fixed with the upper template (1), and then loaded with granulated powder (14) , and then set the lower formwork rubber pad (5) and lower formwork (6) on the other end of the middle mold cylinder (3) lined with rubber cylinder (4) and use the main mold fixture (8) and main core cylinder fixture ( 9) Position, seal and fix with the auxiliary core tube fixture (12), put it into the isostatic pressing molding machine, and the hydraulic oil flows from the upper mold plate (1), the middle mold cylinder (3), the lower mold plate (6), and the main core There are many through holes evenly distributed on the layout or circumference of the cylinder (7) and the auxiliary core cylinder (11), and the pressure is applied to the granulated powder (14) through the rubber pad or rubber cylinder, forming and maintaining the pressure at a pressure of
3、烧成3. Firing
将赛龙陶瓷磨盘坯体在1950℃×1小时氮气气氛下烧成，制成赛龙陶瓷磨盘毛坯。Sinter the Sailong ceramic grinding disc blank at 1950°C for 1 hour under a nitrogen atmosphere to make a Sailong ceramic grinding disc blank.
4、将赛龙陶瓷磨盘毛坯精加工达到要求的精密尺寸。4. Finish the Sailong ceramic grinding disc blank to the required precision size.
实验所用的配料原料的纯度均为工业纯。The purity of the batching raw materials used in the experiment is industrial pure.
实施例2Example 2
1、原料制备1. Raw material preparation
将氮化硅粉体58％、氮化铝粉体12％和氧化铝粉体30％均匀混合后外加粒度小于1μm的4.5mol％氧化钇粉体均匀混合后制备成粒度为0.3mm的造粒粉体(14)。58% of silicon nitride powder, 12% of aluminum nitride powder and 30% of alumina powder are uniformly mixed, and 4.5mol% yttrium oxide powder with a particle size of less than 1 μm is added to prepare granules with a particle size of 0.3 mm. powder (14).
2、压制成型2. Compression molding
压制时先将上模板橡胶垫(2)安装在上模板(1)上，将主芯筒橡胶筒(10)套装在主芯筒(7)上，再将辅芯筒橡胶筒(13)套装在辅芯筒(11)上，然后将套装好的主芯筒(7)和辅芯筒(11)套装在上模板(1)的相应位置，用主芯筒卡具(9)和辅芯筒卡具(12)与上模板(1)定位固定，再将中模圆筒(3)内衬橡胶筒(4)并与上模板(1)固定，然后装入造粒粉体(14)，再将下模板橡胶垫(5)和下模板(6)套装在中模圆筒(3)内衬橡胶筒(4)的另一端用主模卡具(8)、主芯筒卡具(9)和辅芯筒卡具(12)定位、密封固定，放入等静压成型机内，液压油自上模板(1)、中模圆筒(3)、下模板(6)、主芯筒(7)和辅芯筒(11)的版面或圆周面上均布许多通孔，将压力通过橡胶垫或橡胶筒作用于造粒粉体(14)，在200Mpa的压力下成型并保压10分钟，然后脱模制成赛龙陶瓷磨盘坯体。When pressing, first install the rubber pad (2) of the upper template on the upper template (1), set the main core tube rubber tube (10) on the main core tube (7), and then set the auxiliary core tube rubber tube (13) On the auxiliary core (11), then set the set main core (7) and auxiliary core (11) on the corresponding position of the upper template (1), and use the main core clamp (9) and auxiliary core Cylinder fixture (12) is positioned and fixed with the upper template (1), and then the middle mold cylinder (3) is lined with rubber tube (4) and fixed with the upper template (1), and then loaded with granulated powder (14) , and then set the lower formwork rubber pad (5) and lower formwork (6) on the other end of the middle mold cylinder (3) lined with rubber cylinder (4) and use the main mold fixture (8) and main core cylinder fixture ( 9) Position, seal and fix with the auxiliary core tube fixture (12), put it into the isostatic pressing molding machine, and the hydraulic oil flows from the upper mold plate (1), the middle mold cylinder (3), the lower mold plate (6), and the main core There are many through holes evenly distributed on the layout or circumference of the cylinder (7) and the auxiliary core cylinder (11), and the pressure is applied to the granulated powder (14) through the rubber pad or rubber cylinder, forming and maintaining the pressure under the pressure of
3、烧成3. Firing
将赛龙陶瓷磨盘坯体在1800℃×2小时氮气气氛下烧成，制成赛龙陶瓷磨盘毛坯。Sinter the Sailong ceramic grinding disc blank at 1800°C for 2 hours under a nitrogen atmosphere to make a Sailong ceramic grinding disc blank.
4、将赛龙陶瓷磨盘毛坯精加工达到要求的精密尺寸。4. Finish the Sailong ceramic grinding disc blank to the required precision size.
实验所用的配料原料的纯度均为工业纯。The purity of the batching raw materials used in the experiment is industrial pure.
实施例3Example 3
1、原料制备1. Raw material preparation
将氮化硅粉体32.9％、氮化铝粉体19.2％和氧化铝粉体47.9％均匀混合后外加粒度小于1μm的6mol％氧化钇粉体均匀混合后制备成粒度为0.5mm的造粒粉体(14)。32.9% of silicon nitride powder, 19.2% of aluminum nitride powder and 47.9% of alumina powder are uniformly mixed, and then 6mol% yttrium oxide powder with a particle size of less than 1 μm is uniformly mixed to prepare a granulated powder with a particle size of 0.5mm body (14).
2、压制成型2. Compression molding
压制时先将上模板橡胶垫(2)安装在上模板(1)上，将主芯筒橡胶筒(10)套装在主芯筒(7)上，再将辅芯筒橡胶筒(13)套装在辅芯筒(11)上，然后将套装好的主芯筒(7)和辅芯筒(11)套装在上模板(1)的相应位置，用主芯筒卡具(9)和辅芯筒卡具(12)与上模板(1)定位固定，再将中模圆筒(3)内衬橡胶筒(4)并与上模板(1)固定，然后装入造粒粉体(14)，再将下模板橡胶垫(5)和下模板(6)套装在中模圆筒(3)内衬橡胶筒(4)的另一端用主模卡具(8)、主芯筒卡具(9)和辅芯筒卡具(12)定位、密封固定，放入等静压成型机内，液压油自上模板(1)、中模圆筒(3)、下模板(6)、主芯筒(7)和辅芯筒(11)的版面或圆周面上均布许多通孔，将压力通过橡胶垫或橡胶筒作用于造粒粉体(14)，在300Mpa的压力下成型并保压10分钟，然后脱模制成赛龙陶瓷磨盘坯体。When pressing, first install the rubber pad (2) of the upper template on the upper template (1), set the main core tube rubber tube (10) on the main core tube (7), and then set the auxiliary core tube rubber tube (13) On the auxiliary core (11), then set the set main core (7) and auxiliary core (11) on the corresponding position of the upper template (1), and use the main core clamp (9) and auxiliary core Cylinder fixture (12) is positioned and fixed with the upper template (1), and then the middle mold cylinder (3) is lined with rubber tube (4) and fixed with the upper template (1), and then loaded with granulated powder (14) , and then set the lower formwork rubber pad (5) and lower formwork (6) on the other end of the middle mold cylinder (3) lined with rubber cylinder (4) and use the main mold fixture (8) and main core cylinder fixture ( 9) Position, seal and fix with the auxiliary core tube fixture (12), put it into the isostatic pressing molding machine, and the hydraulic oil flows from the upper mold plate (1), the middle mold cylinder (3), the lower mold plate (6), and the main core There are many through holes evenly distributed on the layout or circumference of the cylinder (7) and the auxiliary core cylinder (11), and the pressure is applied to the granulated powder (14) through the rubber pad or rubber cylinder, forming and maintaining the pressure under the pressure of
3、烧成3. Firing
将赛龙陶瓷磨盘坯体在1650℃×3小时氮气气氛下烧成，制成赛龙陶瓷磨盘毛坯。Sinter the Sailong ceramic grinding disc green body at 1650°C for 3 hours under a nitrogen atmosphere to make a Sailong ceramic grinding disc blank.
4、将赛龙陶瓷磨盘毛坯精加工达到要求的精密尺寸。4. Finish the Sailong ceramic grinding disc blank to the required precision size.
实验所用的配料原料的纯度均为工业纯。The purity of the batching raw materials used in the experiment is industrial pure.
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