TW201927399A - Powder granule composition for inductor production capable of producing powder granules having narrow grain size distribution and a shape similar to a sphere or an ellipse to obtain longer moisture retention while preventing mutual adhesion formed powder granules - Google Patents
Powder granule composition for inductor production capable of producing powder granules having narrow grain size distribution and a shape similar to a sphere or an ellipse to obtain longer moisture retention while preventing mutual adhesion formed powder granules Download PDFInfo
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Description
本發明涉及用於電感生產的組成物和生產方法，具體涉及了一種用於電感生產的粉末顆粒組成物及生產方法。The present invention relates to a composition and a production method for inductor production, and in particular to a powder particle composition and a production method for inductor production.
金屬粉末作為除塊體、帶材之外的一種金屬形態，具有三維尺寸小、特性優異、容易成型、材料組成靈活的特點。但是一般的金屬粉末不能直接應用，而需要壓制成型為一定的外形，並經過相應的後處理才能成為可使用的產品。為此，粉末顆粒必須達到一定的顆粒度才能達到粉末成型過程需要的密度和流動性，即需要細微性分佈窄、形狀近球形或橢圓形的粉末顆粒來完成粉末成型過程。As a metal form other than a block or a strip, the metal powder has the characteristics of small three-dimensional size, excellent characteristics, easy molding, and flexible material composition. However, the general metal powder cannot be directly applied, but needs to be press-formed into a certain shape and subjected to corresponding post-treatment to become a usable product. For this reason, the powder particles must reach a certain degree of granularity in order to achieve the density and fluidity required for the powder molding process, that is, powder particles having a narrow fineness distribution, a nearly spherical shape or an elliptical shape are required to complete the powder molding process.
而現今的用於電感生產的粉末顆粒生產方法，通常有以下幾種方法：Today's powder particle production methods for inductor production generally have the following methods:
一、機械破碎法First, mechanical crushing method
顧名思義就是把乾燥的大顆粒用機械的方法將其破碎為一定細微性的小顆粒。此方法製備的金屬粉末需要較高的成型壓力，粉末顆粒形狀一般都帶有毛刺，細微性分佈廣，鬆裝密度和流動性不好。As the name suggests, dry large particles are mechanically broken into small particles of fineness. The metal powder prepared by this method requires a high molding pressure, and the shape of the powder particles generally has burrs, and the fineness is widely distributed, and the bulk density and fluidity are not good.
二、擠壓造粒法Second, extrusion granulation
擠壓造粒是金屬粉末在混有黏結劑的前提下通過機械的力量將其強行通過篩網。Extrusion granulation is a process in which a metal powder is forced through a screen by mechanical force while being mixed with a binder.
該方法製備的粉末具有細微性分佈窄、操作簡單的優點，但是粉末顆粒形狀差、粉末顆粒表面粗糙、鬆裝密度和流動性不好的缺點。The powder prepared by the method has the advantages of narrow distribution of fineness and simple operation, but has the disadvantages of poor powder particle shape, rough surface of the powder particles, loose bulk density and poor fluidity.
三、圓盤造粒法Third, disc granulation method
圓盤造粒機將金屬粉末有次序的投入圓盤，同時噴灑具有黏結性的有機液體使粉末隨機團聚在一起。圓盤造粒的優點：產品形狀近球形、粉末表面光滑、成粒效率高、操作直觀、粉末流動性好，缺點是細微性分佈廣、黏結劑含量的分佈不均、粉末外溢。The disc granulator places the metal powders in order on the disc while spraying the organic liquid with the cohesiveness to randomly agglomerate the powders together. Advantages of disc granulation: the shape of the product is nearly spherical, the surface of the powder is smooth, the granulation efficiency is high, the operation is intuitive, and the powder fluidity is good. The disadvantages are wide distribution of fineness, uneven distribution of the binder content, and powder overflow.
四、流體化床造粒法Fourth, fluidized bed granulation method
在固定流體化床內部通過霧化器將料液霧化成細小的液滴，液滴與流體化床內處於流態化的不同顆粒的物料接觸，並附著在顆粒表面完成乾燥造粒過程；其優點是將造粒、乾燥、冷卻可在一台流體化床中完成，另外造粒細微性在一定範圍內可調，且粉末形狀好、粉末表面光滑、粉末流動性和鬆裝密度好等優點，但是其細微性分佈廣、黏結劑含量分佈可能存在不均勻的問題。The liquid is atomized into fine droplets by a nebulizer inside the fixed fluidized bed, and the droplets are in contact with the fluidized different particles in the fluidized bed, and adhere to the surface of the particles to complete the drying granulation process; The utility model has the advantages that the granulation, drying and cooling can be completed in a fluidized bed, and the granulation fineness is adjustable within a certain range, and the powder shape is good, the powder surface is smooth, the powder fluidity and the loose density are good. However, its fineness is widely distributed and the distribution of the binder content may be uneven.
五、噴霧造粒法Five, spray granulation method
噴霧造粒法是將粉末與黏結劑溶液混合後通過泵體將物料連續地送入高速旋轉地分散盤，從而使金屬粉末和黏結劑同時被粉碎為小顆粒，當被分散的混合物顆粒遇到外部高溫氣體時瞬間將其乾燥並定型，從而獲得具有團聚狀的粉末；該方法造粒效率高、粉末顆粒形狀好、粉末表面光滑、粉末流動性和鬆裝密度好等優點，但是其細微性分佈廣、稀釋劑用量大、黏結劑含量分佈可能存在不均勻的問題。The spray granulation method is to mix the powder and the binder solution and then continuously feed the material into the high-speed rotating dispersion disc through the pump body, so that the metal powder and the binder are simultaneously pulverized into small particles, and when the dispersed mixture particles are encountered, When the external high-temperature gas is instantaneously dried and shaped, a powder having agglomerated shape is obtained; the method has the advantages of high granulation efficiency, good powder particle shape, smooth powder surface, good powder fluidity and good bulk density, but its fineness. Wide distribution, large amount of diluent, and uneven distribution of binder content may be uneven.
以上現有方法不能獲得細微性分佈窄、形狀近球形或橢圓形的粉末顆粒，使之在工業生產中或多或少存在填粉不均勻、填粉漏料等現象。The above existing methods cannot obtain powder particles having a narrow distribution of fineness and a shape of a nearly spherical shape or an elliptical shape, so that in the industrial production, there are more or less uneven filling, leakage of powder and the like.
為解決上述技術問題，我們提出了一種用於電感生產的粉末顆粒組成物及生產方法，其目的：通過改變生產方法來獲得細微性分佈窄、形狀近球形或橢圓形的粉末顆粒，並改變黏結劑溶液的成分配方來獲得更久的保濕性的同時防止成型的粉末顆粒相互粘連。In order to solve the above technical problems, we have proposed a powder particle composition and a production method for inductor production, the purpose of which is to obtain a powder particle having a narrow fineness distribution, a near-spherical shape or an elliptical shape by changing a production method, and changing the bonding. The composition of the agent solution is formulated to obtain longer moisturizing properties while preventing the formed powder particles from sticking to each other.
為達到上述目的，本發明的技術手段如下：In order to achieve the above object, the technical means of the present invention are as follows:
一種用於電感生產的粉末顆粒的生產方法，包括以下步驟：A method for producing powder particles for inductive production, comprising the steps of:
a)通過密封混合裝置將鐵粉及黏結劑溶液混合並攪拌均勻，形成半乾狀膏體；a) mixing and stirring the iron powder and the binder solution by a sealing mixing device to form a semi-dry paste;
b)將半乾狀膏體投入至篩網造粒機中進行第一次擠壓造粒，形成一次半成品；b) putting the semi-dry paste into a sieve granulator for the first extrusion granulation to form a semi-finished product;
c)將一次半成品再次投入至篩網造粒機中進行第二次擠壓造粒並進行研磨，形成二次半成品；c) re-injecting the semi-finished product into the sieve granulator for a second extrusion granulation and grinding to form a secondary semi-finished product;
d)通過振動篩網機對二次粉末顆粒進行篩選，形成合格品和可回收廢料；d) screening the secondary powder particles through a vibrating screen machine to form qualified products and recyclable waste materials;
e)通過乾燥設備對合格品進行乾燥，形成產品。e) Dry the qualified product through a drying device to form a product.
進一步地，振動篩網機的上部篩網的目數為60~80目，振動篩網機的下部篩網的目數為100~150目。Further, the mesh of the upper screen of the vibrating screen machine is 60-80 mesh, and the mesh of the lower screen of the vibrating screen machine is 100-150 mesh.
一種用於電感生產的粉末顆粒組成物，包含以下按重量百分比計的組分：鐵粉86~87.5%，黏結劑溶液2~4%，稀釋劑10~10.5%。A powder particle composition for inductor production, comprising the following components by weight: 86~87.5% of iron powder, 2~4% of binder solution, and 10~10.5% of diluent.
進一步地，黏結劑溶液包含以下按重量百分比計的組分：環氧樹脂20.7~44.4%，氰酸酯40.5~71.4%，固化劑6.7~17.6%，增韌劑0~32.1%。Further, the binder solution comprises the following components by weight: epoxy resin 20.7~44.4%, cyanate ester 40.5~71.4%, curing agent 6.7~17.6%, toughening agent 0~32.1%.
進一步地，固化劑為胺類固化劑，增韌劑為丁腈橡膠改性環氧樹脂。Further, the curing agent is an amine curing agent, and the toughening agent is a nitrile rubber modified epoxy resin.
通過上述技術手段，本發明增加了第二次擠壓造粒並進行研磨，來獲得細微性分佈窄、形狀近球形或橢圓形的粉末顆粒，並改變了黏結劑溶液的成分配方來獲得更久的保濕性的同時，防止了成型的粉末顆粒相互粘連。Through the above technical means, the present invention adds a second extrusion granulation and grinding to obtain powder particles having a narrow fineness distribution, a near-spherical shape or an elliptical shape, and changing the composition formula of the binder solution to obtain a longer time. At the same time of moisturizing, the formed powder particles are prevented from sticking to each other.
下面將結合本發明實施例中的附圖，對本發明實施例中的技術手段進行清楚、完整地描述，顯然，所描述的實施例僅僅是本發明一部分實施例，而不是全部的實施例。基於本發明中的實施例，本領域普通技術人員在沒有作出創造性勞動前提下所獲得的所有其他實施例，都屬於本發明保護的範圍。The technical means in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
下面結合示意圖對本發明的具體實施方式作進一步詳細的說明。The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.
實施例1.Example 1.
如圖1所示，一種用於電感生產的粉末顆粒的生產方法，包括以下步驟：As shown in FIG. 1, a method for producing powder particles for induction production includes the following steps:
a)通過密封混合裝置將鐵粉及黏結劑溶液混合並攪拌均勻，形成半乾狀膏體；a) mixing and stirring the iron powder and the binder solution by a sealing mixing device to form a semi-dry paste;
b)將半乾狀膏體投入至篩網造粒機中進行第一次擠壓造粒，形成一次半成品；b) putting the semi-dry paste into a sieve granulator for the first extrusion granulation to form a semi-finished product;
c)將一次半成品再次投入至篩網造粒機中進行第二次擠壓造粒並進行研磨，形成二次半成品；c) re-injecting the semi-finished product into the sieve granulator for a second extrusion granulation and grinding to form a secondary semi-finished product;
d)通過振動篩網機對二次粉末顆粒進行篩選，形成合格品和可回收廢料；d) screening the secondary powder particles through a vibrating screen machine to form qualified products and recyclable waste materials;
e)通過乾燥設備對合格品進行乾燥，形成產品。e) Dry the qualified product through a drying device to form a product.
其中，振動篩網機的上部篩網的目數為60目，振動篩網機的下部篩網的目數為150目。Among them, the upper mesh of the vibrating screen machine has a mesh number of 60 mesh, and the lower mesh of the vibrating mesh machine has a mesh number of 150 mesh.
本發明增加了第二次擠壓造粒並進行研磨，來獲得細微性分佈窄、形狀近球形或橢圓形的粉末顆粒。The present invention adds a second extrusion granulation and grinding to obtain powder particles having a narrow fineness distribution, a nearly spherical shape or an elliptical shape.
該粉末顆粒組成物，包含以下按重量百分比計的組分：鐵粉86%，黏結劑溶液4%，稀釋劑10%，黏結劑溶液包含以下按重量百分比計的組分：環氧樹脂20.7%，氰酸酯40.5%，固化劑6.7%，增韌劑32.1%，固化劑為胺類固化劑，增韌劑為丁腈橡膠改性環氧樹脂。The powder particle composition comprises the following components by weight: 86% of iron powder, 4% of binder solution, 10% of diluent, and the binder solution comprises the following components by weight: epoxy resin 20.7% The cyanate ester is 40.5%, the curing agent is 6.7%, the toughening agent is 32.1%, the curing agent is an amine curing agent, and the toughening agent is a nitrile rubber modified epoxy resin.
該粉末顆粒組成物改變了黏結劑溶液的成分配方來獲得更久的保濕性的同時，防止了成型的粉末顆粒相互粘連。The powder particle composition changes the composition of the binder solution to obtain a longer moisturizing property while preventing the formed powder particles from sticking to each other.
以上就是一種用於電感生產的粉末顆粒組成物及生產方法的結構特點和作用效果，其優點：通過改變生產方法來獲得細微性分佈窄、形狀近球形或橢圓形的粉末顆粒，並改變黏結劑溶液的成分配方來獲得更久的保濕性的同時防止了成型的粉末顆粒相互粘連。The above is a structural feature and effect of a powder particle composition and a production method for induction production, and the advantages thereof are: obtaining a powder particle having a narrow fineness distribution, a near-spherical shape or an elliptical shape by changing a production method, and changing a binder The composition of the solution is formulated to achieve longer moisturizing properties while preventing the formed powder particles from sticking to each other.
實施例2.Example 2.
其餘與實施例1相比，所不同之處在於所述振動篩網機的上部篩網的目數為80目，振動篩網機的下部篩網的目數為150目，該粉末顆粒組成物，包含以下按重量百分比計的組分：鐵粉87.5%，黏結劑溶液2%，稀釋劑10.5%，黏結劑溶液包含以下按重量百分比計的組分：環氧樹脂32.55%，氰酸酯55.3%，固化劑12.15%，固化劑為胺類固化劑，增韌劑為丁腈橡膠改性環氧樹脂，其餘與實施例1相同，在此也不作特別的限制，同樣都屬於本發明的保護範圍。其生產過程也與實施例1相同，在此不再贅述。The rest is different from the first embodiment in that the mesh screen of the vibrating screen machine has a mesh number of 80 mesh, and the mesh screen of the vibrating mesh machine has a mesh number of 150 mesh, and the powder particle composition Containing the following components by weight: 87.5% of iron powder, 2% of binder solution, 10.5% of diluent, the binder solution contains the following components by weight: epoxy resin 32.55%, cyanate 55.3 %, the curing agent is 12.15%, the curing agent is an amine curing agent, and the toughening agent is a nitrile rubber modified epoxy resin, and the rest is the same as in the first embodiment, and is not particularly limited herein, and is also protected by the present invention. range. The production process is also the same as that of Embodiment 1, and details are not described herein again.
實施例3.Example 3.
其餘與實施例1相比，所不同之處在於所述振動篩網機的上部篩網的目數為70目，振動篩網機的下部篩網的目數為120目，該粉末顆粒組成物，包含以下按重量百分比計的組分：鐵粉87%，黏結劑溶液3%，稀釋劑10%，黏結劑溶液包含以下按重量百分比計的組分：環氧樹脂44.4%，氰酸酯40.5%，固化劑6.7%，增韌劑8.4%，固化劑為胺類固化劑，增韌劑為丁腈橡膠改性環氧樹脂，其餘與實施例1相同，在此也不作特別的限制，同樣都屬於本發明的保護範圍。其生產過程也與實施例1相同，在此不再贅述。The rest is different from the first embodiment in that the upper screen of the vibrating screen machine has a mesh size of 70 mesh, and the lower mesh of the vibrating mesh machine has a mesh number of 120 mesh, and the powder particle composition Containing the following components by weight: 87% iron powder, 3% binder solution, 10% thinner, the binder solution contains the following components by weight: epoxy resin 44.4%, cyanate 40.5 %, the curing agent is 6.7%, the toughening agent is 8.4%, the curing agent is an amine curing agent, and the toughening agent is a nitrile rubber modified epoxy resin, and the rest is the same as in the first embodiment, and is not particularly limited herein. All fall within the scope of protection of the present invention. The production process is also the same as that of Embodiment 1, and details are not described herein again.
實施例4.Example 4.
其餘與實施例1相比，所不同之處在於所述振動篩網機的上部篩網的目數為60目，振動篩網機的下部篩網的目數為110目，該粉末顆粒組成物，包含以下按重量百分比計的組分：鐵粉87.25%，黏結劑溶液2.5%，稀釋劑10.25%，黏結劑溶液包含以下按重量百分比計的組分：環氧樹脂35%，氰酸酯45%，固化劑12%，增韌劑8%，固化劑為胺類固化劑，增韌劑為丁腈橡膠改性環氧樹脂，其餘與實施例1相同，在此也不作特別的限制，同樣都屬於本發明的保護範圍。其生產過程也與實施例1相同，在此不再贅述。The rest is different from the first embodiment in that the mesh of the upper screen of the vibrating screen machine is 60 mesh, and the mesh of the lower screen of the vibrating mesh machine is 110 mesh, the powder particle composition Containing the following components by weight: 87.25% of iron powder, 2.5% of binder solution, 10.25% of diluent, the binder solution contains the following components by weight: epoxy resin 35%, cyanate 45 %, 12% curing agent, 8% toughening agent, curing agent is amine curing agent, and toughening agent is nitrile rubber modified epoxy resin. The rest is the same as in the first embodiment, and is not particularly limited herein. All fall within the scope of protection of the present invention. The production process is also the same as that of Embodiment 1, and details are not described herein again.
實施例5.Example 5.
其餘與實施例1相比，所不同之處在於所述振動篩網機的上部篩網的目數為70目，振動篩網機的下部篩網的目數為130目，該粉末顆粒組成物，包含以下按重量百分比計的組分：鐵粉86.5%，黏結劑溶液3.5%，稀釋劑10%，黏結劑溶液包含以下按重量百分比計的組分：環氧樹脂20.7%，氰酸酯71.4%，固化劑6.7%，增韌劑1.2%，固化劑為胺類固化劑，增韌劑為丁腈橡膠改性環氧樹脂，其餘與實施例1相同，在此也不作特別的限制，同樣都屬於本發明的保護範圍。其生產過程也與實施例1相同，在此不再贅述。The rest is different from the first embodiment in that the mesh screen of the vibrating screen machine has a mesh size of 70 mesh, and the mesh screen of the vibrating mesh machine has a mesh number of 130 mesh, and the powder particle composition Containing the following components by weight: 86.5% of iron powder, 3.5% of binder solution, 10% of diluent, the binder solution contains the following components by weight: epoxy resin 20.7%, cyanate 71.4 %, the curing agent is 6.7%, the toughening agent is 1.2%, the curing agent is an amine curing agent, and the toughening agent is a nitrile rubber modified epoxy resin, and the rest is the same as in the first embodiment, and is not particularly limited herein. All fall within the scope of protection of the present invention. The production process is also the same as that of Embodiment 1, and details are not described herein again.
實施例6.Example 6.
其餘與實施例1相比，所不同之處在於所述振動篩網機的上部篩網的目數為80目，振動篩網機的下部篩網的目數為140目，該粉末顆粒組成物，包含以下按重量百分比計的組分：鐵粉86.25%，黏結劑溶液3.25%，稀釋劑10.5%，黏結劑溶液包含以下按重量百分比計的組分：環氧樹脂30%，氰酸酯42%，固化劑17.6%，增韌劑10.4%，固化劑為胺類固化劑，增韌劑為丁腈橡膠改性環氧樹脂，其餘與實施例1相同，在此也不作特別的限制，同樣都屬於本發明的保護範圍。其生產過程也與實施例1相同，在此不再贅述。The rest is different from the first embodiment in that the mesh screen of the vibrating screen machine has a mesh number of 80 mesh, and the mesh screen of the vibrating mesh machine has a mesh size of 140 mesh, and the powder particle composition Containing the following components by weight: 86.25% of iron powder, 3.25% of binder solution, 10.5% of diluent, the binder solution contains the following components by weight: epoxy resin 30%, cyanate 42 %, the curing agent is 17.6%, the toughening agent is 10.4%, the curing agent is an amine curing agent, and the toughening agent is a nitrile rubber modified epoxy resin, and the rest is the same as in the first embodiment, and is not particularly limited herein. All fall within the scope of protection of the present invention. The production process is also the same as that of Embodiment 1, and details are not described herein again.
實施例7.Example 7.
其餘與實施例1相比，所不同之處在於所述振動篩網機的上部篩網的目數為60目，振動篩網機的下部篩網的目數為150目，該粉末顆粒組成物，包含以下按重量百分比計的組分：鐵粉86.75%，黏結劑溶液3.25%，稀釋劑10%，黏結劑溶液包含以下按重量百分比計的組分：環氧樹脂40%，氰酸酯50%，固化劑6.7%，增韌劑3.3%，固化劑為胺類固化劑，增韌劑為丁腈橡膠改性環氧樹脂，其餘與實施例1相同，在此也不作特別的限制，同樣都屬於本發明的保護範圍。其生產過程也與實施例1相同，在此不再贅述。The rest is different from the first embodiment in that the upper screen of the vibrating screen machine has a mesh size of 60 mesh, and the lower mesh of the vibrating mesh machine has a mesh number of 150 mesh, and the powder particle composition Containing the following components by weight: 86.75% of iron powder, 3.25% of binder solution, 10% of diluent, the binder solution contains the following components by weight: epoxy resin 40%, cyanate 50 %, the curing agent is 6.7%, the toughening agent is 3.3%, the curing agent is an amine curing agent, and the toughening agent is a nitrile rubber modified epoxy resin, and the rest is the same as in the first embodiment, and is not particularly limited herein. All fall within the scope of protection of the present invention. The production process is also the same as that of Embodiment 1, and details are not described herein again.
實施例8.Example 8.
其餘與實施例1相比，所不同之處在於所述振動篩網機的上部篩網的目數為70目，振動篩網機的下部篩網的目數為140目，該粉末顆粒組成物，包含以下按重量百分比計的組分：鐵粉87%，黏結劑溶液2.5%，稀釋劑10.5%，黏結劑溶液包含以下按重量百分比計的組分：環氧樹脂25%，氰酸酯60%，固化劑10%，增韌劑5%，固化劑為胺類固化劑，增韌劑為丁腈橡膠改性環氧樹脂，其餘與實施例1相同，在此也不作特別的限制，同樣都屬於本發明的保護範圍。其生產過程也與實施例1相同，在此不再贅述。The rest is different from the first embodiment in that the mesh of the upper screen of the vibrating screen machine is 70 mesh, and the mesh of the lower screen of the vibrating screen machine is 140 mesh, and the powder particle composition Containing the following components by weight percent: iron powder 87%, binder solution 2.5%, diluent 10.5%, binder solution containing the following components by weight: epoxy resin 25%, cyanate 60 %, 10% curing agent, 5% toughening agent, curing agent is amine curing agent, and toughening agent is nitrile rubber modified epoxy resin. The rest is the same as in the first embodiment, and is not particularly limited herein. All fall within the scope of protection of the present invention. The production process is also the same as that of Embodiment 1, and details are not described herein again.
實施例9.Example 9.
其餘與實施例1相比，所不同之處在於所述振動篩網機的上部篩網的目數為80目，振動篩網機的下部篩網的目數為130目，該粉末顆粒組成物，包含以下按重量百分比計的組分：鐵粉87.3%，黏結劑溶液2.4%，稀釋劑10.3%，黏結劑溶液包含以下按重量百分比計的組分：環氧樹脂32%，氰酸酯48%，固化劑17.6%，增韌劑2.2%，固化劑為胺類固化劑，增韌劑為丁腈橡膠改性環氧樹脂，其餘與實施例1相同，在此也不作特別的限制，同樣都屬於本發明的保護範圍。其生產過程也與實施例1相同，在此不再贅述。The rest differs from Example 1 in that the mesh of the upper screen of the vibrating screen machine is 80 mesh, and the mesh of the lower screen of the vibrating screen machine is 130 mesh, and the powder particle composition Containing the following components by weight: 87.3% of iron powder, 2.4% of binder solution, 10.3% of diluent, the binder solution contains the following components by weight: epoxy resin 32%, cyanate 48 %, the curing agent is 17.6%, the toughening agent is 2.2%, the curing agent is an amine curing agent, and the toughening agent is a nitrile rubber modified epoxy resin, and the rest is the same as in the first embodiment, and is not particularly limited herein. All fall within the scope of protection of the present invention. The production process is also the same as that of Embodiment 1, and details are not described herein again.
實施例10.Example 10.
其餘與實施例1相比，所不同之處在於所述振動篩網機的上部篩網的目數為70目，振動篩網機的下部篩網的目數為120目，該粉末顆粒組成物，包含以下按重量百分比計的組分：鐵粉86.3%，黏結劑溶液3.5%，稀釋劑10.2%，黏結劑溶液包含以下按重量百分比計的組分：環氧樹脂28%，氰酸酯42%，固化劑3.7%，增韌劑23.3%，固化劑為胺類固化劑，增韌劑為丁腈橡膠改性環氧樹脂，其餘與實施例1相同，在此也不作特別的限制，同樣都屬於本發明的保護範圍。其生產過程也與實施例1相同，在此不再贅述。The rest is different from the first embodiment in that the upper screen of the vibrating screen machine has a mesh size of 70 mesh, and the lower mesh of the vibrating mesh machine has a mesh number of 120 mesh, and the powder particle composition Containing the following components by weight: 86.3% of iron powder, 3.5% of binder solution, 10.2% of diluent, the binder solution contains the following components by weight: epoxy resin 28%, cyanate 42 %, the curing agent is 3.7%, the toughening agent is 23.3%, the curing agent is an amine curing agent, and the toughening agent is a nitrile rubber modified epoxy resin, and the rest is the same as in the first embodiment, and is not particularly limited herein. All fall within the scope of protection of the present invention. The production process is also the same as that of Embodiment 1, and details are not described herein again.
以上所述的僅是本發明的優選實施方式，應當指出，對於本領域的普通技術人員來說，在不脫離本發明創造構思的前提下，還可以做出若干變形和改進，這些都屬於本發明的保護範圍。The above is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various modifications and improvements without departing from the inventive concept. The scope of protection of the invention.
a、b、c、d、e‧‧‧步驟a, b, c, d, e‧ ‧ steps
圖1 為本發明用於電感生產的粉末顆粒的生產方法的流程示意圖。1 is a schematic flow chart of a method for producing powder particles for induction production of the present invention.
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