CN104526578A - Method capable of improving density of sintering type metal binding agent grinding apparatus - Google Patents

Method capable of improving density of sintering type metal binding agent grinding apparatus Download PDF

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Publication number
CN104526578A
CN104526578A CN 201410666206 CN201410666206A CN104526578A CN 104526578 A CN104526578 A CN 104526578A CN 201410666206 CN201410666206 CN 201410666206 CN 201410666206 A CN201410666206 A CN 201410666206A CN 104526578 A CN104526578 A CN 104526578A
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CN
China
Prior art keywords
metal
powder
metal powder
method
binding agent
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Application number
CN 201410666206
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Chinese (zh)
Inventor
杨俊宏
句红兵
谭立
洪洁
马杰
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云南光电辅料有限公司
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Priority to CN 201410666206 priority Critical patent/CN104526578A/en
Publication of CN104526578A publication Critical patent/CN104526578A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING, OR SHARPENING
    • B24D18/00Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
    • B24D18/0009Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING, OR SHARPENING
    • B24D3/00Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/06Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING, OR SHARPENING
    • B24D3/00Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/34Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
    • B24D3/342Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent

Abstract

The invention discloses a sintering metal binding agent grinding apparatus, and a method for machining the sintering metal binding agent grinding apparatus. The sintering metal binding agent grinding apparatus comprises a grinding material, first-level metal powder and second-level metal powder. The median diameter D50 of the first-level metal powder ranges from 150 micrometers to 20 micrometers, and the median diameter D50 of the second-level metal powder ranges from 0.2 micrometer to 15 micrometers. The sintering metal binding agent grinding apparatus has the advantages of being low in voidage, high in density and holding force, and long in service life under the heavy loads.

Description

一种提高烧结型金属结合剂磨具密度的方法 A method of increasing the metal bond diamond sintered density of a

技术领域 FIELD

[0001] 本发明涉及磨料磨具制造技术领域,尤其是一种提高烧结型金属结合剂磨具密度的方法。 [0001] The present invention relates to a method for producing abrasives technology, and in particular an improved metal bond diamond sintered density.

背景技术 Background technique

[0002] 烧结型金属结合剂磨具多以青铜等金属粉末作为结合剂,经压制成型并高温烧结而成,其结合强度高,成型性好,耐高温,导热性和耐磨性好,成为硬脆材料磨削加工及金属材料珩磨最为重要的加工工具。 [0002] The sintered metal bonded grinding wheel plurality bronze metal powder such as a binder, press-molded and after high-temperature sintering, high bonding strength, good formability, high temperature, thermal conductivity and abrasion resistance, becomes hard and brittle materials grinding and honing the most important metal materials processing tool. 烧结金属结合剂磨具由金属粉末压制烧结而成,存在空隙率高,密度低,单粒磨料把持力不及电镀型金属结合剂磨具的问题。 Sintered metal bonded grinding stone powder pressed sintered metal, the presence of high porosity, low density, the gripping force of the abrasive grain is less than one-plated metal bond diamond problem.

发明内容 SUMMARY

[0003] 本发明的目的在于,解决现有烧结型金属结合剂磨具空隙率高、密度低、重负荷磨削时把持力不足的问题,提供一种提高烧结型金属结合剂磨具密度的方法。 [0003] The object of the present invention is to solve the conventional sintered metal bonded abrasives high porosity, low density, less than the gripping force of heavy-duty grinding problem to provide an improved sintered metal bond diamond density method.

[0004] 本发明公开了一种提高烧结型金属结合剂磨具密度的方法,其特征在于烧结型金属结合剂磨具包括磨料、一级金属粉、二级金属粉,其各组分的重量份数配比如下: [0004] The present invention discloses a method for improving a sintered metal bond diamond density, wherein a sintered metal bonded abrasives include abrasive, a metal powder, two metal powder, the weight of the components copies ratio as follows:

磨料0.5〜15份一级金属粉50〜90份二级金属粉I〜30份。 The abrasive 0.5~15 parts of 50~90 parts of a metal powder, the metal powder I~30 two parts.

[0005] 本发明所述烧结型金属结合剂磨具的生产方法如下: [0005] The production method of the present invention is a sintered metal bond diamond follows:

A、将一级金属粉、二级金属粉、磨料按配比进行混料; A, and a metal powder, two metal powders, abrasives by mixing proportion;

B、将混好的原料采用冷压成型加热烧结或热压烧结的方式进行加工。 B, and mixing the raw material by way of cold forming a good heat sintering process of sintering or hot pressing.

[0006] 混料采用手工混料或用混料机混料。 [0006] mixing by hand mixing or mixing with a mixer.

[0007] 所述一级金属粉是中值粒径D5tl为150 μ m〜20 μ m的单质金属粉或合金粉的一种或几种的组合物。 The [0007] a median particle size of the metal powder is one or more of D5tl of elemental metal powder or alloy powder of 150 μ m~20 μ m composition. 二级金属粉是中值粒径D5tl为0.2 μ m〜15 μ m的单质金属粉或合金粉的一种或几种的组合物。 Two metal powder is a median particle size of one or more of D5tl elemental metal powder or alloy powder of 0.2 μ m~15 μ m composition.

具体实施方式 Detailed ways

[0008] 下面结合具体实施例,进一步阐述本发明。 [0008] The following embodiments with reference to specific embodiments, further illustrate the present invention. 应理解为,这些实施例仅用于说明本发明而不用于限制本发明的范围。 It should be understood however, these examples are only for illustrating the present invention is not intended to limit the scope of the present invention. 此外应理解为,在阅读了本发明讲授的内容之后,本领域技术人员可以对本发明做出的各种改动或修改,这些等价形式仍属于本发明申请所附权利要求书限定的范围。 It should also be understood that various changes or modifications upon reading the teachings of the present invention, those skilled in the art can be made to the present invention, and these equivalents are still within the scope of application of the present invention as defined in the appended claims.

[0009] 实施例1 [0009] Example 1

将中值粒径D5tl为44 μ m的一级铜粉47克、中值粒径D 50为21 μ m的一级锡粉23克、中值粒径D5tl为44 μm的一级银粉4.5克、中值粒径D 50为147 μm的一级铁粉6克、中值粒径D5tl为10 μ m的二级铜粉20克、中值粒径D 5(|为的6.5 μ m 二级铁粉3克、中值粒径D 50为60 μπι立方氮化硼2克用三维混料机混合I小时,将混匀后的原料采用粉末冶金法在高强度石墨模具中进行真空热压,其中热压温度为600°C,热压时间为3分钟,压制压力为30MPa的工艺双向加压。然后用二次烧结工艺,在真空烧结炉中,烧结温度780°C。真空度为 D5tl median diameter of 44 μ m of a copper powder 47 g, a median diameter D 50 of 21 μ m a tin powder of 23 g, a median diameter of 44 μm D5tl 4.5 g of a silver a median diameter D 50 of 147 μm 6 g of an iron powder, median diameter D5tl 10 μ m for the two copper powder of 20 g, the median diameter D 5 (| a 6.5 μ m for the two 3 g of iron powder, the median particle diameter D 50 of 60 μπι CBN 2 g mixed with a three-dimensional mixer I hour, after kneading the raw material powder metallurgy method using high-intensity vacuum hot pressing in a graphite mold, wherein the hot pressing temperature is 600 ° C, pressing time is 3 minutes, the pressing pressure is 30MPa biaxial compression process is then a secondary sintering process, a vacuum sintering furnace, the sintering temperature of 780 ° C. degree of vacuum

I X 1^3Pao得到密度达7.895g/cm3的30X4X 3mm金属ί行磨油石条。 I X 1 ^ 3Pao a density of 7.895g / cm3 of metal ί 30X4X 3mm strip line Sharpening.

[0010] 实施例1的对比实施例中,将实施例1中的二级铜粉及二级铁粉,全部用一级铜粉及一级铁粉替代,其它材料及加入量不变,加工方法不变,得到密度为7.813g/cm3的30X4X 3mm金属ί行磨油石条。 [0010] Example 1 Comparative Example, Example 1 of two embodiments of copper powder and two iron powder, with a total replacement of copper powder and an iron powder, the same amount of other materials and processing the method of the same, to give a metal 30X4X 3mm density 7.813g / cm3 of ί Sharpening strip line.

[0011] 实施例2 [0011] Example 2

将中值粒径D50为44 μ m的一级铜粉58克、中值粒径D50为21 μ m的一级锡粉12克、中值粒径D50为44 μ m的一级银粉4克、中值粒径D50为44 μ m的一级锌粉3克、中值粒径D50为10 μ m的二级铜粉20克、中值粒径D50为的1.25 μ m 二级银粉3克、中值粒径D50为 The median diameter D50 of 44 μ m of a copper powder 58 g, a median diameter D50 of 21 μ m 12 g of a tin powder, median diameter D50 of 44 μ m 4 g of a silver median diameter D50 of 44 μ m 3 g of a zinc powder, the median diameter D50 of 10 μ m of two copper powder 20 g, a median particle diameter D50 of 1.25 μ m silver two 3 g , a median particle size D50

10 μ m金刚石微粉3克手工混合均匀,并以400MPa的压力压制为Φ 10 X 5的试片,在氢气保护下于700°C下烧结I小时制得密度达7.591g/cm3的光学玻璃精磨磨具。 10 μ m diamond powder 3 grams mixed by hand, and is pressed at a pressure of 400MPa Φ 10 X 5 test pieces of sintered I hour to obtain a density of 7.591g / cm3 precision optical glass at 700 ° C under hydrogen protection abrasive wear.

[0012] 实施例2的对比实施例中,将实施例2的二级铜粉及二级银粉,全部用一级铜粉及一级银粉替代,其它材料及加入量不变,加工方法不变,得到密度为7.340g/cm3的光学玻璃精磨磨具。 Comparative [0012] Example 2 embodiment, the two copper and two silver embodiment of Example 2, was replaced with a full one of copper powder and silver powder, other materials and the same amount, the same processing method , a density of 7.340g / cm3 optical glass grinding abrasive.

Claims (5)

1.一种提高烧结型金属结合剂磨具密度的方法,所述烧结型金属结合剂磨具,包括磨料、一级金属粉、二级金属粉,其各组分的重量份数配比如下: 磨料0.5〜15份一级金属粉50〜90份二级金属粉I〜30份所述烧结型金属结合剂磨具的生产步骤如下: A、将一级金属粉、二级金属粉、磨料按配比进行混料; B、将混好的原料采用冷压成型加热烧结或热压烧结的方式进行加工。 A method of sintered metal bond diamond density increases, the sintered metal bonded abrasives, including abrasive, a metal powder, two metal powder, the weight fractions of each component was prepared as follows : 0.5~15 parts of an abrasive powder, metal powder, metal two parts of 50~90 parts I~30 the sintered metal bond diamond production steps are as follows: a, to a metal powder, two metal powders, abrasives performed by mixing proportion; B, the raw materials were mixed by way of cold forming or hot press sintering heat sintering processing.
2.如权利要求1所述的提高烧结型金属结合剂磨具密度的方法,其特征在于所述一级金属粉的中值粒径D50为150μπι〜20ym。 The method of the sintered metal bond diamond density increase according as claimed in claim 1, wherein said metal powder is a median diameter D50 of 150μπι~20ym.
3.如权利要求1所述的提高烧结型金属结合剂磨具密度的方法,其特征在于所述二级金属粉的中值粒径D5tl为0.2 μΐΉ〜15 μΐΉ。 The method of the sintered metal bond diamond density increase according to claim 1, wherein the two median particle size of the metal powder is D5tl 0.2 μΐΉ~15 μΐΉ.
4.如权利要求1所述的提高烧结型金属结合剂磨具密度的方法,其特征在于所述一级金属粉为单质金属粉或合金粉的一种或几种的组合物。 4. The method of sintered metal bond diamond density increase according as claimed in claim 1, wherein a metal powder is one or more of elemental metal powder or alloy powder composition.
5.如权利要求1所述的提高烧结型金属结合剂磨具密度的方法,其特征在于所述二级金属粉为单质金属粉或合金粉的一种或几种的组合物。 5. The method of sintered metal bond diamond density increase according as claimed in claim 1, wherein said metal powder is one or two of several of elemental metal powder or alloy powder composition.
CN 201410666206 2014-11-20 2014-11-20 Method capable of improving density of sintering type metal binding agent grinding apparatus CN104526578A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1096532A (en) * 1993-05-27 1994-12-21 德比尔斯工业钻石部门有限公司 A method of making an abrasive compact
CN1451054A (en) * 2000-08-08 2003-10-22 六号元素(控股)公司 Method for producing an abrasive product containing diamond
CN101480744A (en) * 2009-01-24 2009-07-15 燕山大学 Method for producing metal and diamond composite body
US20120055100A1 (en) * 2009-05-29 2012-03-08 Hiroshi Yamazoe Method and apparatus for producing metal bond grind stone
CN102828096A (en) * 2012-09-17 2012-12-19 天津瑞克曼德科技发展有限公司 Metal ceramic cutting tool material and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1096532A (en) * 1993-05-27 1994-12-21 德比尔斯工业钻石部门有限公司 A method of making an abrasive compact
CN1451054A (en) * 2000-08-08 2003-10-22 六号元素(控股)公司 Method for producing an abrasive product containing diamond
CN101480744A (en) * 2009-01-24 2009-07-15 燕山大学 Method for producing metal and diamond composite body
US20120055100A1 (en) * 2009-05-29 2012-03-08 Hiroshi Yamazoe Method and apparatus for producing metal bond grind stone
CN102828096A (en) * 2012-09-17 2012-12-19 天津瑞克曼德科技发展有限公司 Metal ceramic cutting tool material and preparation method thereof

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