CN102335885B - Diamond grinding wheel for ceramic grinding and preparation method thereof - Google Patents

Diamond grinding wheel for ceramic grinding and preparation method thereof Download PDF

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CN102335885B
CN102335885B CN2011102958717A CN201110295871A CN102335885B CN 102335885 B CN102335885 B CN 102335885B CN 2011102958717 A CN2011102958717 A CN 2011102958717A CN 201110295871 A CN201110295871 A CN 201110295871A CN 102335885 B CN102335885 B CN 102335885B
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diamond
wheel
grinding
ceramic
powder
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CN102335885A (en
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曾宪明
孙爱强
杨志高
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河源市树熊超硬磨具有限公司
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Abstract

本发明公开一种陶瓷磨削用金刚石砂轮及其制备方法,该金刚石砂轮由重量百分比的金刚石磨料18.7~27%、聚酰亚胺树脂14~20%、Cu粉8~13%、Co粉9~14%、Al2O33~8%、稀土3~6%、炭黑0.7~1.2%、余量为Cr2O3组成。 The present invention discloses a ceramic with a diamond grinding wheel and a preparation method, the diamond grinding wheel by the weight percentage of 18.7 to 27% diamond abrasive, a polyimide resin, 14 ~ 20%, Cu powder 8 ~ 13%, Co powder 9 ~ 14%, Al2O33 ~ 8%, 3 to 6% rare earth, carbon black, 0.7 to 1.2%, the balance being composed of Cr2O3. 该金刚石砂轮的制备工艺是:①将各组元充分混和;②将混合料投到模具采用加温压制,再进行固化处理,最后进行机械加工便可。 Preparation of the diamond grinding wheel are: ① each component fully mixed; ② the mixture heated press using invested mold, then curing, can be finally machined. 该金刚石砂轮能有效地克服了现有常规金刚石砂轮的缺点,提高磨削加工时的每次进刀量达至0.1~0.8毫米,且不易堵塞,并兼顾砂轮的耐磨性,提高氧化锆结构陶瓷磨削加工的生产效率,大大降低氧化锆结构陶瓷的加工成本。 The diamond grinding wheel can effectively overcome the drawbacks of the prior conventional diamond wheel, improve feed during each grinding capacity of 0.1 to 0.8 mm and clogging, taking into account the wear of the grinding wheel, to improve the structure of the zirconia ceramic grinding efficiency and greatly reduce the processing cost of the zirconia ceramic structure.

Description

一种陶瓷磨削用金刚石砂轮及其制备方法 A ceramic with a diamond grinding wheel and its preparation method

技术领域 FIELD

[0001] 本发明涉及金刚石砂轮制造技术领域,尤其是一种适合生产氧化锆陶瓷磨削用金刚石砂轮。 [0001] The present invention relates to a diamond wheel manufacturing technology, particularly suitable for producing a zirconia ceramic grinding diamond wheel.

背景技术 Background technique

[0002] 氧化锆结构陶瓷具有高硬度、高强度、高韧性、极高的耐磨性等优良的综合性能,正逐步取代很多材料,其应用领域越来越广泛。 [0002] Zirconia ceramics structure has an excellent combination of high hardness, high strength, high toughness, high wear resistance and the like, are gradually replacing many materials which more extensive applications. 目前,氧化锆陶瓷的磨削加工仍采用常规的金刚石砂轮,由于氧化锆陶瓷的特性使常规的金刚石砂轮在磨削氧化锆陶瓷时一直存在如下问题:其一是氧化锆陶瓷加工烧制型时变形大,从而造成后磨削加工困难;而氧化锆陶瓷硬度高,金刚石砂轮磨削加工时吃刀量小,一般平面磨削每次进刀量为0.02〜0.04毫米,靠多次反复磨削才能完成工作,工作效率非常低;其二氧化锆结构陶瓷韧性好,金刚石砂轮磨削加工时极易将砂轮堵塞,需经常停机,修整砂轮,费时费力,从而严重制约了氧化锆结构陶瓷材料的应用和发展。 Currently, grinding zirconia ceramic still use conventional diamond grinding wheel, due to the characteristics of the conventional zirconia ceramic diamond grinding wheel has been a problem exists when grinding zirconia ceramic: one is fired zirconia ceramic processing type deformation, thereby causing difficulties after grinding; zirconia ceramics and high hardness, eating a small amount of diamond tool grinding wheel, generally planar grinding infeed amount per 0.02~0.04 mm, by repeatedly grinding to complete the work, the efficiency is very low; its good toughness zirconia structural ceramics, diamond grinding wheel can easily be blocked when grinding, often need to stop, wheel dressing, time-consuming, which seriously hampered the zirconia structural ceramic materials application and development. 这正是现有技术存在的不足之处。 This is the existence of prior art deficiencies.

发明内容 SUMMARY

[0003] 本发明的目的在于针对现有金刚石砂轮在磨削氧化锆陶瓷时存在的上述缺陷,提出一种氧化锆结构陶瓷磨削用金刚石砂轮及其制备方法,采用本发明的陶瓷磨削用金刚石砂轮磨削陶瓷产品时可采用大的进刀量,而且不易堵塞,能大幅度提高生产效率,降低加工成本。 [0003] The object of the present invention for the above-mentioned drawbacks present in conventional diamond wheel grinding zirconia ceramic, it proposes a zirconia ceramic grinding diamond wheel structure and a preparation method, the present invention is a ceramic grinding diamond grinding wheel may be employed when a large ceramic product feed rate, and clogging, can significantly improve production efficiency, reduce processing costs.

[0004] 本发明的任务是以这样的方式实现的: [0004] The object of the invention is achieved in such a manner that:

[0005] 一种陶瓷磨削用金刚石砂轮,其特征是由下述重量百分比的金刚石磨料18.7〜27%、聚酰亚胺树脂14〜20%、Cu粉8〜13%、Co粉9〜14%、Al2033〜8%、稀土3〜6%、炭黑0.7〜1.2%、余量为Cr2O3组成。 [0005] A ceramic grinding diamond wheel, which is characterized by the following percentage 18.7~27 wt% diamond abrasive, a polyimide resin 14~20%, Cu powder 8~13%, Co powder 9~14 %, Al2033~8%, 3 ~ 6% rare earth, carbon black 0.7~1.2%, the balance being composed of Cr2O3.

[0006] 本发明的目的还可以通过如下方案进一步完善: [0006] The object of the present invention may also be further improved by the following scheme:

[0007] 所述的金刚石磨料由下述重量百分比的人造金刚石破碎料60〜70%、人造金刚石三型料30〜40%组成,金刚石浓度为75〜100%。 [0007] The diamond abrasive by the following percentages by weight of crushed synthetic diamond material 60 to 70%, three types of synthetic diamond material composed of 30 to 40%, diamond concentration of 75~100%.

[0008] 所述的金刚石砂轮的组元中金刚石磨料的重量百分比以18.7〜27%为合适,过高则易使粉料混合不均匀,出现结团,加工面易出现划伤现象,过低则出现损耗过快,砂轮寿命降低。 [0008] The abrasive component by weight of the diamond of the diamond wheel to a suitable percentage of 18.7~27%, the powder is easy to make too uneven mixing, agglomeration occurs, the phenomenon of the working surface prone to scratches, low loss occurs too quickly, reduce wheel life. 其优选配比是20〜25%。 Preferably the ratio is 20 ~ 25%.

[0009] 所述的树脂粘结剂为聚酰亚胺树脂,其热稳定性好,耐温温度高,机械强度好,适合大进刀量和高速的磨削。 [0009] The binder resin is a polyimide resin having good thermal stability, high temperature heat resistance, mechanical strength, suitable for large and high-speed feed grinding. 砂轮的粉料中聚酰亚胺树脂的含量为14〜20%(重量积百分比)为合适,其优选配比是15〜18%。 Powder wheel polyimide resin is 14~20% content (volume percentage by weight) is suitable, preferably the ratio is 15~18%.

[0010] 所述的Cu粉熔点高,导热性好;但Cu延展性大,用量过多,砂轮容易堵塞。 [0010] The melting point of the Cu powder, and good thermal conductivity; but the ductility of Cu, the amount of excess, wheel easily clogged. 其加入量以8〜13%为合适,优选配比是8〜10%。 Was added in an amount of 8~13%, which is suitable, preferably the ratio is 8~10%.

[0011 ] 所述的Co粉具有耐磨性,能形成很高的机械镶嵌力,其含量以9〜14%为合适,优选配比是10〜12%。 [0011] The wear resistance of Co powder, capable of forming a high mechanical forces mosaic, the content thereof is 9~14%, in a suitable, preferably the ratio is 10~12%. [0012] 所述的Al2O3硬度高,可起到骨架的作用,其加入量以3〜8%为合适,优选配比是 High [0012] The hardness of Al2O3, may function as the skeleton, which was added a suitable amount of 3~8%, the ratio is preferably

5 〜8%。 5 ~ 8%.

[0013] 所述的稀土可选用镧(La)、铈(Ce)中的一种,其作用是强化基体,改善胎体材料对金刚石的粘结强度。 [0013] The choice of rare earth lanthanum (La), cerium (Ce) of which serves to strengthen the matrix, the matrix material to improve the bonding strength of the diamond. 提高金刚石与胎体的结合力作用。 Improve force diamond and matrix combination. 优选是镧(La),其优选配比量为 It is preferably lanthanum (La), preferably in an amount of ratio

3 〜5%。 3 ~ 5%.

[0014] 综上所述,本发明的陶瓷磨削用金刚石砂轮的最佳成分(重量百分比)为:金刚石磨料20〜25%、聚酰亚胺树脂15〜18%、Cu粉8〜10%、Co粉10〜12%、A12035〜8%、稀土La 3〜5%、炭黑0.7〜1.2%、Cr2O3粉余量。 [0014] In summary, the present invention ceramic grinding diamond wheel optimum composition (percentage by weight) of: 20 ~ 25% diamond abrasive, a polyimide resin 15~18%, Cu powder 8~10% , Co powder 10~12%, A12035~8%, rare earth La 3~5%, carbon black 0.7~1.2%, Cr2O3 powder margin.

[0015] 本发明的陶瓷磨削用金刚石砂轮配方制备金刚石砂轮的制造方法是:包括有:1、将配好的陶瓷磨削用金刚石砂轮各组元装入混料机中混和I〜2小时,使其充分均匀;2、将混合料均匀投入到规定的模具模腔内,再将模具放入压机压制,同时加热模具,其加热加压工艺如下:先加预压力为3〜5兆帕,设定压机上下板加热温度为250°C,当模具温度达到110〜120°C时卸压,排气I次,然后继续进行加热加压处理;3、热压完毕,取出砂轮工件。 [0015] The method of manufacturing a ceramic grinding with a diamond grindstone of the present invention, the formulation is prepared diamond wheel: include: 1, the assembled ceramic diamond grinding wheel of each component mixed in the blender was charged hours I~2 and sufficiently homogeneous; 2, the homogeneous mixture into a predetermined mold cavity, then pressing the mold into the press, while the mold is heated, which heat and pressure process is as follows: first, pre-applied pressure of 3 to 5 megabytes Pa, setting the upper and lower press heating plate temperature of 250 ° C, pressure relief when the mold temperature reaches 110~120 ° C, exhaust I times and then heated under pressure to continue; 3, hot pressing is completed, remove the workpiece wheel .

[0016] 将砂轮工件放入烘箱进行固化处理后,随炉自然冷却到室温出炉,再按成品尺寸要求进行机械加工制成产品,所述的固化处理温度为230〜240°C,保温2〜5小时。 After [0016] The grinding wheel workpiece into an oven to be cured, with the furnace cooled to room temperature baked, then the size of the finished product made from machining requirements, the curing temperature is 230~240 ° C, holding 2 ~ 5 hours.

[0017] 本发明的有益效果在于:本发明制备出氧化锆结构陶瓷磨削用金刚石砂轮能有效地克服了现有常规金刚石砂轮的缺陷,提高磨削加工时的每次进刀量达至0.1〜0.8毫米,且不易堵塞,并兼顾砂轮的耐磨性,提高氧化锆结构陶瓷磨削加工的生产效率,大大降低氧化锆结构陶瓷的加工成本。 [0017] Advantageous effects of the present invention: Preparation of the present invention, a zirconia ceramic grinding diamond wheel structure can effectively overcome the drawbacks of the prior conventional diamond wheel, improve feed during each grinding capacity to 0.1 ~0.8 mm, and clogging, taking into account the wear of the grinding wheel to improve grinding of ceramic oxide structural zirconium production efficiency and greatly reduce processing costs zirconia ceramic structure.

具体实施方式 Detailed ways

·[0018] 下面通过具体实施例对本发明作进一步的说明, * [0018] by the following specific examples further illustrate the present invention,

[0019] 实施例1 [0019] Example 1

[0020] 本发明实施例1包括以下步骤: [0020] Example 1 of the present invention comprises the steps of:

[0021] 1.各组分按下述重量百分比配制称好料:18.7%金刚石磨料、20%聚酰亚胺树脂、13%Cu 粉、9%Co 粉、8% Al2O3^3% 稀土镧(La)、0.7% 炭黑、27.6% Cr2O3 ; [0021] 1. The components in the following percentages by weight of material weighed formulation: 18.7% diamond abrasive, 20% polyimide resin, 13% Cu powder, 9% Co powder, 8% Al2O3 ^ 3% lanthanum ( La), 0.7% carbon black, 27.6% Cr2O3;

[0022] 2.将配好的粉料装入混料机中混合I小时,使其充分均匀; [0022] 2. The blender was charged with a good mixed powder I hour, sufficiently homogeneous;

[0023] 3.将混合料均匀投入到型号为SDC150#的模具模腔内,再将模具放入压机中压制;同时加热模具; [0023] 3. The composition was uniformly put into SDC150 # Model mold cavity, then pressing mold into a press; simultaneously heating the mold;

[0024] 4.模具加热加压工艺:先加预压力为5兆帕,设定压机上下板加热温度为250°C,当模具温度达到110°C时卸压,排气I次,然后继续加热、加压至8兆帕,当模具温度达到230°C时,保压2分钟后卸压; [0024] 4. The mold is heated pressurized process: first add the pre-pressure of 5 MPa, a heating temperature setting upper and lower plates of the press 250 ° C, pressure relief when the mold temperature reaches 110 ° C, exhaust I th, and heating was continued, pressurized to 8 MPa when the mold temperature reaches 230 ° C, holding pressure relief after 2 minutes;

[0025] 5.热压完毕,采用热脱模,取出砂轮工件。 [0025] 5. The pressing is completed, the thermal release, remove the wheel workpiece. 将砂轮工件放入烘箱进行固化处理,固化处理的加热温度为235°C,保温4小时后,随炉自然冷却到室温出炉;再按成品尺寸要求进行机械加工制成型号为SDC150#的砂轮产品。 The grinding wheel workpiece into an oven to be cured, the curing process is heating temperature of 235 ° C, for 4 hours after, cooled to room temperature with the furnace baked; then finished size required machined from wheel model SDC150 # Product .

[0026] 实施例2 [0026] Example 2

[0027] 本发明实施例2包括以下步骤: [0027] Example 2 of the present invention comprises the steps of:

[0028] 1.各组分按下述重量百分比配制称好料:27%金刚石磨料、14%聚酰亚胺树脂、8%Cu 粉、14%Co 粉、3% Al2O3>6% 稀土镧(La) ,1.2% 炭黑、26.8% Cr2O3 ;[0029] 2.将配好的粉料装入混料机中混合I小时,使其充分均匀; [0028] 1 weight percent of each component in the following formulation weighed material: 27% diamond abrasive, a polyimide resin, 14%, 8% Cu powder, powder 14% of Co, 3% Al2O3> 6% lanthanum ( la), 1.2% carbon black, 26.8% Cr2O3; [0029] 2. the blender was charged with a good mixed powder I hour, sufficiently homogeneous;

[0030] 3.将混合料均匀投入到型号为SDC240#的模具模腔内,再将模具放入压机中压制;同时加热模具; [0030] 3. The composition was uniformly put into SDC240 # Model mold cavity, then pressing mold into a press; simultaneously heating the mold;

[0031] 4.模具加热加压工艺:先加预压力为3兆帕,设定压机上下板加热温度为250°C,当模具温度达到115°C时卸压,排气I次,然后继续加热、加压至6兆帕,当模具温度达到235°C时,保压4分钟后卸压; [0031] 4. The mold is heated pressurized process: first add the pre-pressure of 3 MPa, a press upper and lower plates is set to a heating temperature 250 ° C, pressure relief when the mold temperature reaches 115 ° C, exhaust I th, and heating was continued, pressurized to 6 MPa, when the mold temperature reaches 235 ° C, holding pressure relief after 4 minutes;

[0032] 5.热压完毕,采用热脱模,取出砂轮工件。 [0032] 5. The pressing is completed, the thermal release, remove the wheel workpiece. 将砂轮工件放入烘箱进行固化处理,固化处理的加热温度为230°C,保温5小时后,随炉自然冷却到室温出炉;再按成品尺寸要求进行机械加工制成型号为SDC240#的砂轮产品。 The grinding wheel workpiece into an oven to be cured, the curing process is heating temperature of 230 ° C, after incubation for 5 hours and cooled to room temperature with the furnace baked; then finished size required machined from wheel model SDC240 # Product .

[0033] 实施例3 [0033] Example 3

[0034] 本发明实施例3包括以下步骤: [0034] Embodiment 3 of the present invention comprises the steps of:

[0035] 1.各组分按下述重量百分比配制称好料:23%金刚石磨料、18%聚酰亚胺树脂、10%Cu 粉、11% Co 粉、6.5% Al203、5% 稀土铈(Ce)、1% 炭黑、25.5% Cr2O3 ; [0035] 1 weight percent of each component in the following formulation weighed material: 23% diamond abrasive, 18% polyimide resin, 10% Cu powder, 11% Co powder, 6.5% Al203,5% of Cerium ( Ce), 1% carbon black, 25.5% Cr2O3;

[0036] 2.将配好的粉料装入混料机中混合I小时,使其充分均匀; [0036] 2. The blender was charged with a good mixed powder I hour, sufficiently homogeneous;

[0037] 3.将混合料均匀投入到型号为SDC80#的模具模腔内,再将模具放入压机中压制;同时加热模具; [0037] 3. The composition was uniformly into the Model SDC80 # mold cavity, then pressing mold into a press; simultaneously heating the mold;

[0038] 4.模具加热加压工艺:先加预压力为4兆帕,设定压机上下板加热温度为250°C,当模具温度达到110°C时卸压,排气I次,然后继续加热、加压至6兆帕,当模具温度达到240°C时,保压3分钟后卸压; [0038] 4. The mold is heated pressurized process: first add the pre-pressure of 4 MPa, the upper and lower press plates is set to a heating temperature 250 ° C, pressure relief when the mold temperature reaches 110 ° C, exhaust I th, and heating was continued, pressurized to 6 MPa, when the mold temperature reaches 240 ° C, holding pressure relief after 3 minutes;

[0039] 5.热压完毕,采用热脱模,取出砂轮工件。 [0039] 5. The pressing is completed, the thermal release, remove the wheel workpiece. 将砂轮工件放入烘箱进行固化处理,固化处理的加热温度为240°C,保温3小时后,随炉自然冷却到室温出炉;再按成品尺寸要求进行机械加工制成型号为SDC80#的砂轮产品。 The grinding wheel workpiece into an oven to be cured, the curing process is heating temperature of 240 ° C, after incubation for 3 hours with the furnace cooled to room temperature baked; then finished size required machined from wheel model SDC80 # Product .

Claims (6)

1.一种陶瓷磨削用金刚石砂轮,其特征是由重量百分比的金刚石磨料18.7〜27%、聚酰亚胺树脂14〜20%,Cu粉8〜13%,Co粉9〜14%、A1203 3〜8%、稀土3〜6%、炭黑0.7〜1.2%、余量为Cr2O3组成。 A ceramic grinding diamond wheel, which is characterized by the weight percent of diamond abrasive 18.7~27%, a polyimide resin 14~20%, Cu powder 8~13%, Co powder 9~14%, A1203 3~8%, 3 ~ 6% rare earth, carbon black 0.7~1.2%, the balance being composed of Cr2O3.
2.根据权利要求1所述的陶瓷磨削用金刚石砂轮,其特征在于所述的金刚石磨料由重量百分比的人造金刚石破碎料60〜70%、人造金刚石三型料30〜40%组成,金刚石浓度为75 〜100%ο 2. Grinding of the ceramic according to claim 1, with a diamond grinding wheel, wherein said diamond abrasive, by weight percent of 60-70% synthetic diamond broken materials, three types of synthetic diamond material composed of 30 to 40%, the concentration of diamond to 75 ~100% ο
3.根据权利要求1所述的陶瓷磨削用金刚石砂轮,其特征在于所述的稀土为镧(La)、铈(Ce)中的一种。 The ceramic grinding with the diamond wheel according to claim 1, wherein said rare earth is lanthanum (La), cerium (Ce) of one.
4.根据权利要求1所述的陶瓷磨削用金刚石砂轮,其特征在于其中各成分的优选配比(重量百分比)是金刚石磨料20〜25%、聚酰亚胺树脂15〜18%、Cu粉8〜10%、Co粉10〜12%、Al2035 〜8%、稀土La 3 〜5%、炭黑0.7 〜1.2%、余量为Cr2O3 粉。 The ceramic grinding with the diamond wheel according to claim 1, characterized in that the preferred ratio of ingredients (% by weight) is 20 ~ 25% diamond abrasive, a polyimide resin 15~18%, Cu powder 8~10%, Co powder 10~12%, Al2035 ~8%, rare earth La 3 ~5%, carbon black 0.7 ~1.2%, the balance being Cr2O3 powder.
5.权利要求1所述的陶瓷磨削用金刚石砂轮的制备方法,其特征是:1、将配好的陶瓷磨削用金刚石砂轮各组元装入混料机中混和I〜2小时,使其充分均匀;2、将混合料均匀投入到规定的模具模腔内,再将模具放入压机压制,同时加热模具,其加热加压工艺如下:先加预压力为3〜5兆帕,设定压机上下板加热温度为250°C,当模具温度达到110〜120°C时卸压,排气I次,然后继续进行加热加压处理;3、热压完毕,取出砂轮工件。 5. The ceramic grinding according to claim 1 prepared by diamond wheel, characterized in that: 1, the assembled ceramic diamond grinding wheel load of each component mixed in the blender I~2 hours to sufficiently uniform; 2, the homogeneous mixture into a predetermined mold cavity, then pressing the mold into the press, while the mold is heated, which heat and pressure process is as follows: first, pre-applied pressure of 3 to 5 MPa, setting upper and lower press heating plate temperature of 250 ° C, pressure relief when the mold temperature reaches 110~120 ° C, exhaust I times and then heated under pressure to continue; 3, hot pressing is completed, remove the wheel workpiece.
6.根据权利要求5所述的陶瓷磨削用金刚石砂轮的制备方法,其特征是:将砂轮工件放入烘箱进行固化处理后,随炉自然冷却到室温出炉;再按成品尺寸要求进行机械加工制成产品,所述的固化处理温度为230〜240°C,保温2〜5小时。 The ceramic grinding according to claim 5 prepared by diamond wheel, characterized in that: the wheel workpiece into an oven for curing treatment, the furnace cooled to room temperature baked; then machining the finished size required products made, the curing treatment temperature 230~240 ° C, incubated 2 ~ 5 hours.
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CN102825560B (en) * 2012-07-31 2015-06-24 安徽威铭耐磨材料有限公司 Ceramic diamond grinding wheel
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CN104493734B (en) * 2014-12-23 2016-10-05 广东奔朗新材料股份有限公司 Hide the preparation method of diamond abrasive tool of solidified type epoxy resinoid bond
CN107160297B (en) * 2016-03-07 2019-03-12 河源市树熊超硬磨具有限公司 A kind of touched panel glass grinding diamond grinding head and preparation method thereof
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