JPH04300017A - Production of composite material - Google Patents
Production of composite materialInfo
- Publication number
- JPH04300017A JPH04300017A JP8761991A JP8761991A JPH04300017A JP H04300017 A JPH04300017 A JP H04300017A JP 8761991 A JP8761991 A JP 8761991A JP 8761991 A JP8761991 A JP 8761991A JP H04300017 A JPH04300017 A JP H04300017A
- Authority
- JP
- Japan
- Prior art keywords
- arranged concentrically
- composite material
- different
- ingot
- materials
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 27
- 238000001125 extrusion Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 9
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical group [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Landscapes
- Extrusion Of Metal (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、異なる複数の超硬材料
が同心状又は一部偏心して配置された複合材料の製造方
法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a composite material in which a plurality of different superhard materials are arranged concentrically or partially eccentrically.
【０００２】0002
【従来の技術】この種の複合材料の製造方法としては、
超硬合金の筒状体に、筒状体を構成する材料とは異なる
材質の超硬合金を圧縮成形してなる棒状体を挿入するこ
とで、筒状体と棒状体とを一体に組み立てるものがある
（特開昭６０−４８２０７号公報参照）。[Prior Art] As a method for manufacturing this type of composite material,
The cylindrical body and the rod-shaped body are assembled together by inserting a rod-shaped body made by compression molding a cemented carbide made of a material different from that of the material that makes up the cylindrical body into a cylindrical cemented carbide body. (See Japanese Unexamined Patent Publication No. 60-48207).
【０００３】0003
【発明が解決しようとする課題】しかしながら、従来の
複合材料の製造方法では、筒状体に棒状体を挿入して両
者を一体化するようにしているので、連続的に細長い棒
状体を筒状体に挿入しようとすると、棒状体の挿入工程
で棒状体が曲がったり折れたりするといった欠点がある
。[Problems to be Solved by the Invention] However, in the conventional manufacturing method of composite materials, a rod-shaped body is inserted into a cylindrical body and the two are integrated. When attempting to insert the rod into the body, there is a drawback that the rod may be bent or broken during the insertion process.
【０００４】本発明は、上記事情に鑑みてなされたもの
で、異なる複数の超硬材料が同心状又は一部偏心して配
置された複合材料を連続的に簡単に製造することができ
る複合材料の製造方法を提供することを目的とする。The present invention has been made in view of the above circumstances, and is a composite material that can easily and continuously produce a composite material in which a plurality of different cemented carbide materials are arranged concentrically or partially eccentrically. The purpose is to provide a manufacturing method.
【０００５】[0005]
【課題を解決するための手段】本発明の複合材料の製造
方法は、異なる複数の超硬材料を同心状又は一部偏心し
て配置したインゴットに押出加工を施し縮径し、異なる
複数の超硬材料が同心状又は一部偏心して配置された押
出成型体を製造することを特徴とする。[Means for Solving the Problems] The method for manufacturing a composite material of the present invention involves extruding an ingot in which a plurality of different cemented carbide materials are arranged concentrically or partially eccentrically to reduce its diameter. This method is characterized by producing an extrusion molded body in which materials are arranged concentrically or partially eccentrically.
【０００６】[0006]
【作用】本発明によれば、異なる複数の超硬材料を同心
状又は一部偏心して配置したインゴットに押出加工を施
して押出成型体を製造すると、この押出成型体は、異な
る複数の超硬材料が同心状又は一部偏心して配置された
複合材料となる。このように、押出加工を施すことによ
り、上記複合材料を連続的にかつ簡単に製造することが
可能となる。[Operation] According to the present invention, when an extrusion molded body is manufactured by extruding an ingot in which a plurality of different carbide materials are arranged concentrically or partially eccentrically, this extrusion molded body is made of a plurality of different carbide materials. The result is a composite material in which the materials are arranged concentrically or partially eccentrically. By performing extrusion processing in this way, it becomes possible to manufacture the above-mentioned composite material continuously and easily.
【０００７】[0007]
【実施例】以下に図面を参照して本発明の一実施例につ
いて説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【０００８】図２は本実施例の複合材料の製造方法に用
いられる装置の概要を示す断面図であり、図３は押出加
工用のインゴットを示す斜視図、図１は押出成型体を示
す斜視図である。FIG. 2 is a cross-sectional view showing an outline of the apparatus used in the method for manufacturing a composite material of this example, FIG. 3 is a perspective view showing an ingot for extrusion processing, and FIG. 1 is a perspective view showing an extrusion molded product. It is a diagram.
【０００９】本実施例では、図２に示すように、シリン
ダ１にポンチ２を挿入し、シリンダ１内に設けたインゴ
ット３に圧力を加え押出成型体４を押し出す。In this embodiment, as shown in FIG. 2, a punch 2 is inserted into a cylinder 1, and pressure is applied to an ingot 3 provided within the cylinder 1 to extrude an extrusion molded body 4.
【００１０】前記インゴット３は、図３に示すように、
異なる超硬材料５，６を同心状に配置したものである。
超硬材料は炭化タングステンを主成分とした超硬合金に
よって形成されたものであるが、中心部に設けた超硬材
料６では炭化タングステンの平均粒径が３ 〜１０μｍ
に設定され、外周部に設けた超硬材料５では炭化タング
ステンの平均粒径が０．５μｍに設定されている。The ingot 3, as shown in FIG.
Different cemented carbide materials 5 and 6 are arranged concentrically. The cemented carbide material is made of a cemented carbide whose main component is tungsten carbide, and in the cemented carbide material 6 provided in the center, the average grain size of the tungsten carbide is 3 to 10 μm.
The average grain size of tungsten carbide in the cemented carbide material 5 provided on the outer periphery is set to 0.5 μm.
【００１１】前記押出成型体４は、図１に示すように、
異なる超硬材料５，６が、前記インンゴット３の断面形
状と相似形に、同心状に配置されて構成されている。こ
のように、インゴット３内の異なる超硬材料５，６の配
置にしたがって、押出成型体４における超硬材料５，６
の配置を決定することができるので、たとえば、中心部
に位置する超硬材料６が細い場合においても、インゴッ
ト３の段階で超硬材料６の径を小さくしておけば、細い
中心部を簡単に、かつ、確実に形成することができる。
さらに、押出成型体４はインゴット３から連続的に押し
出され、１度に複数個の製品分の長さの複合材料を成形
することができ、生産性を高めることができる。As shown in FIG. 1, the extrusion molded body 4 has the following features:
Different cemented carbide materials 5 and 6 are arranged concentrically in a similar cross-sectional shape to the ingot 3. In this way, the superhard materials 5 and 6 in the extrusion molded body 4 are arranged according to the arrangement of the different superhard materials 5 and 6 in the ingot 3.
For example, even if the carbide material 6 located in the center is thin, if the diameter of the carbide material 6 is made small at the ingot 3 stage, the thin center can be easily moved. It can be formed easily and reliably. Further, the extrusion molded body 4 is continuously extruded from the ingot 3, and a composite material having a length corresponding to a plurality of products can be molded at one time, thereby increasing productivity.
【００１２】このようにして形成された押出成型体４に
加工を施して、所望の製品を製造する。たとえば、超硬
製のエンドミルを形成する場合には、押出成型体４の外
周に切屑排出溝を形成し、切屑排出溝の回転方向を向く
壁面と先端逃げ面とのなす稜に切刃を形成する。このよ
うにして、形成されたエンドミルは、エンドミル本体の
外周部は、炭化タングステンの粒径が小さく、かつ、低
Ｃｏにすることもできるので、より均質化されて切刃の
全域に亙って高い硬度を均質に得ることができて、高い
耐摩耗性を確保することができる。一方、エンドミル本
体の中心部は、高Ｃｏ化できるので、スラスト荷重に対
する強度を高めて高い靱性を確保することができる。な
お、中心部と外周部との構成を逆さにすれば、刃先中心
部の耐摩耗性を向上させたいドリルに好適である。The extrusion molded body 4 thus formed is processed to produce a desired product. For example, when forming a carbide end mill, a chip discharge groove is formed on the outer periphery of the extrusion molded body 4, and a cutting edge is formed on the ridge formed by the wall surface facing the rotation direction of the chip discharge groove and the tip flank. do. In the end mill formed in this way, the outer peripheral part of the end mill body has a small grain size of tungsten carbide and can also be made low in Co, so it is more homogeneous and can be made uniform over the entire cutting edge. High hardness can be obtained uniformly and high wear resistance can be ensured. On the other hand, since the central portion of the end mill body can be made high in Co, it is possible to increase the strength against thrust loads and ensure high toughness. In addition, if the structure of the center part and the outer peripheral part is reversed, it is suitable for a drill in which it is desired to improve the wear resistance of the center part of the cutting edge.
【００１３】上述の実施例では、炭化タングステンの粒
径及びＣｏ％を変えて中心部と外周部との特性を変更し
ているが、添加成分等の異なる組成からなる超硬材料を
同心状に配置したものであってもよい。[0013] In the above-mentioned embodiment, the characteristics of the central part and the outer peripheral part are changed by changing the grain size and Co% of tungsten carbide. It may be arranged.
【００１４】[0014]
【発明の効果】以上説明したように、本発明の複合材料
の製造方法においては、異なる複数の超硬材料を同心状
又は一部偏心して配置したインゴットに押出加工を施し
縮径し、異なる複数の超硬材料が同心状又は一部偏心し
て配置された押出成型体を製造するようにしたので、異
なる複数の超硬材料が同心状又は一部偏心して配置され
た複合材料を連続的に簡単に製造することができるEffects of the Invention As explained above, in the method for manufacturing a composite material of the present invention, an ingot in which a plurality of different cemented carbide materials are arranged concentrically or partially eccentrically is subjected to extrusion processing to reduce its diameter. Since we manufactured an extrusion molded body in which several carbide materials are arranged concentrically or partially eccentrically, it is easy to continuously produce composite materials in which multiple different carbide materials are arranged concentrically or partially eccentrically. can be manufactured to
【図１】本発明の一実施例における押出成型体を示す斜
視図である。FIG. 1 is a perspective view showing an extrusion molded body in one embodiment of the present invention.
【図２】本発明の一実施例に使用する装置の概要を示す
断面図である。FIG. 2 is a sectional view schematically showing an apparatus used in an embodiment of the present invention.
【図３】本発明の一実施例におけるインゴットを示す斜
視図である。FIG. 3 is a perspective view showing an ingot in one embodiment of the present invention.
１ シリンダ ２ ポンチ ３ インゴット ４ 押出成型体 ５，６ 超硬材料 1 Cylinder 2 Punch 3 Ingot 4 Extrusion molded body 5,6 Carbide material
Claims (1)
部偏心して配置したインゴットに押出加工を施し縮径し
、異なる複数の超硬材料が同心状又は一部偏心して配置
された押出成型体を製造することを特徴とする複合材料
の製造方法。Claim 1: An ingot in which a plurality of different carbide materials are arranged concentrically or partially eccentrically is subjected to extrusion processing to reduce its diameter, and an extrusion molding in which a plurality of different carbide materials are arranged concentrically or partially eccentrically is performed. A method for manufacturing a composite material, characterized by manufacturing a body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8761991A JPH04300017A (en) | 1991-03-27 | 1991-03-27 | Production of composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8761991A JPH04300017A (en) | 1991-03-27 | 1991-03-27 | Production of composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04300017A true JPH04300017A (en) | 1992-10-23 |
Family
ID=13919990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8761991A Pending JPH04300017A (en) | 1991-03-27 | 1991-03-27 | Production of composite material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04300017A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006512211A (en) * | 2003-01-02 | 2006-04-13 | フリードリヒス アルノ | Method and apparatus for making carbide tools |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5176109A (en) * | 1974-12-27 | 1976-07-01 | Hitachi Metals Ltd | FUNMATSUYAKINHONYORUFUKUGOZAINOSEIZOHOHO OYOBI JUTENYOKI |
-
1991
- 1991-03-27 JP JP8761991A patent/JPH04300017A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5176109A (en) * | 1974-12-27 | 1976-07-01 | Hitachi Metals Ltd | FUNMATSUYAKINHONYORUFUKUGOZAINOSEIZOHOHO OYOBI JUTENYOKI |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006512211A (en) * | 2003-01-02 | 2006-04-13 | フリードリヒス アルノ | Method and apparatus for making carbide tools |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 19980609 |