JPS63194816A - Manufacture of composite member - Google Patents
Manufacture of composite memberInfo
- Publication number
- JPS63194816A JPS63194816A JP2576787A JP2576787A JPS63194816A JP S63194816 A JPS63194816 A JP S63194816A JP 2576787 A JP2576787 A JP 2576787A JP 2576787 A JP2576787 A JP 2576787A JP S63194816 A JPS63194816 A JP S63194816A
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical member
- composite
- aluminum alloy
- cylinder member
- fiber
- 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 26
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 13
- 238000005242 forging Methods 0.000 claims abstract description 11
- 239000012783 reinforcing fiber Substances 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 17
- 239000000835 fiber Substances 0.000 abstract description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 3
- 239000003365 glass fiber Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Forging (AREA)
- Laminated Bodies (AREA)
- Extrusion Of Metal (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野〕 本発明は複合部材の製造方法に関するものである。[Detailed description of the invention] (Industrial application field) The present invention relates to a method for manufacturing a composite member.
一般に、セラミックと金属、合成樹脂や繊維強化合成樹
脂と金属あるいは繊維強化金属（ＦＲＭ）と金属のよう
に材質の異なる複数の部材からなる複合部材は、セラミ
ックの耐熱性・耐摩耗性、合成樹脂の成形性・耐食性、
金属の強度特性・成形性など各部材の特性を兼備してい
るので、最近では種々の機械部品として採用されつつあ
る。In general, composite members made of multiple materials of different materials, such as ceramic and metal, synthetic resin, fiber-reinforced synthetic resin and metal, or fiber-reinforced metal (FRM) and metal, have the heat resistance and wear resistance of ceramic, synthetic resin formability and corrosion resistance,
Since it has the characteristics of metals such as strength and formability, it has recently been adopted as a variety of mechanical parts.
最近のエンジンでは、動弁機構の高性能化のためバルブ
アッパシートの軽量化が要請されており、例えば実開昭
６１−５７１０７号公報には、エンジンにおける長繊維
強化樹脂製または長繊維強化金属製のバルブアッパシー
トであって、長繊維が円周方向に配向された層と、長繊
維が半径方向に配向された層とを交互に積層する複合部
材の製造技術が記載されている。In recent engines, weight reduction of the valve upper seat is required to improve the performance of the valve mechanism. A manufacturing technology for a composite member is described, which is a valve upper seat made by Manufacturers of Japan, in which layers in which long fibers are oriented in the circumferential direction and layers in which long fibers are oriented in the radial direction are alternately laminated.
エンジンの動弁機構のバルブアッパシートにおけるテー
パ状のコツター嵌合部はコツターに摺接しコツターから
微少時間おきに大きな力を受けるので、コツター嵌合部
は耐摩耗性・耐熱性に優れた材料で構成する必要があり
、一方バルブアノパシートにおけるパルプスプリング支
持部は１又は２木のバルブスプリングを受けるため複雑
な形状に鍛造成形されるので、バルブアッパシートのコ
ツター嵌合部以外の部分は成形性に優れた材料で構成す
る必要がある。The tapered bulge fitting part of the valve upper seat of the engine's valve train slides into contact with the cotter and receives a large force from the cotter at minute intervals, so the cotter fitting part is made of a material with excellent wear resistance and heat resistance. On the other hand, the pulp spring support part of the valve anopah seat is forged into a complicated shape to receive one or two valve springs, so the parts other than the part where the valve upper seat fits are molded. It must be constructed from materials with excellent properties.
上記公報に記載されたバルブアッパシートの製造技術で
は、長繊維が円周方向に配向された層と半径方向に配向
された層とを交互に多数積層し、それを成形してバルブ
アッパシートを製造するので、バルブアッパシートを構
成する素材が多く且つ高価で、製造工程が複雑化し、素
材コスト並びに製造コストが高価になる。In the valve upper seat manufacturing technology described in the above publication, a large number of layers in which the long fibers are oriented in the circumferential direction and layers in which the long fibers are oriented in the radial direction are alternately laminated, and then formed to form the valve upper seat. Since the valve upper seat is manufactured, many materials are required and are expensive, and the manufacturing process becomes complicated, resulting in high material costs and manufacturing costs.
そのうえ、長繊維強化金属製とする場合、強化繊維の局
部偏在が生じやすいので一定品質とすることが難しく、
且つ成形性も低下する。Furthermore, when made of long fiber-reinforced metal, the reinforcing fibers tend to be locally unevenly distributed, making it difficult to maintain a constant quality.
In addition, moldability also decreases.
〔問題点を解決するための手段〕
本発明に係る複合部材の製造方法は、アルミ合金粉末を
成形して得られた外側筒部材に、強化繊維を含有するア
ルミ合金製の内側筒部材を嵌合させ、上記内側筒部材と
上記外側筒部材とからなる複合筒部材を押出し成形して
内側と外側の両筒部材を塑性流動結合させ、次にその複
合筒部材を切断して所定形状に鍛造成形するものである
。[Means for Solving the Problems] The method for manufacturing a composite member according to the present invention includes fitting an inner cylinder member made of an aluminum alloy containing reinforcing fibers into an outer cylinder member obtained by molding aluminum alloy powder. A composite cylindrical member consisting of the inner cylindrical member and the outer cylindrical member is extruded to form a plastic flow bond between the inner and outer cylindrical members, and then the composite cylindrical member is cut and forged into a predetermined shape. It is something to be molded.
尚、必要に応じて、上記アルミ合金粉末としてアルミ合
金溶湯を急冷凝固させて製造したアルミ合金粉末を用い
てもよい。Note that, if necessary, an aluminum alloy powder produced by rapidly cooling and solidifying a molten aluminum alloy may be used as the aluminum alloy powder.
本発明に係る複合部材の製造方法においては、アルミ合
金粉末を成形して得られた外側筒部材に、強化繊維を含
有するアルミ合金製の内側筒部材を嵌合させ、この内側
部材と外側筒部材とからなる複合筒部材を押出し成形す
ることにより内側と外側の両筒部材を塑性流動結合させ
るので、両筒部材の結合強度が高くなる。In the method for manufacturing a composite member according to the present invention, an inner cylinder member made of an aluminum alloy containing reinforcing fibers is fitted to an outer cylinder member obtained by molding aluminum alloy powder, and the inner cylinder member and the outer cylinder member are fitted together. By extrusion molding a composite cylindrical member consisting of the above members, both the inner and outer cylindrical members are bonded by plastic flow, thereby increasing the bonding strength of the two cylindrical members.
上記押出し成形後の複合筒部材を切断して所定形状に鍛
造成形して複合部材に成形する際、成形性に優れた外側
筒部材を変形させて所定形状を確保するとともに、耐摩
耗性に優れた内側筒部材を変形量の少ない中央部に配置
することが出来る。When the above extruded composite cylindrical member is cut and forged into a predetermined shape to form a composite member, the outer cylindrical member, which has excellent formability, is deformed to secure the predetermined shape and has excellent wear resistance. The inner cylindrical member can be placed in the center where the amount of deformation is small.
以下、本発明の実施例を図面に基いて説明する。 Embodiments of the present invention will be described below with reference to the drawings.
本実施例は、本発明をエンジンの動弁機構のバルブアッ
パシート（複合部材としてのバルブアッパシート）を製
造する方法に適用した場合の実施例である。This embodiment is an example in which the present invention is applied to a method of manufacturing a valve upper seat (valve upper seat as a composite member) of a valve train of an engine.
第１工程において、ガラス繊維やアルミナ短繊維などの
強化繊維を約ｌＯ〜２０体積％含有しているアルミ合金
製の内側筒部材１〔第１図（Ａ）〕を製造するとともに
、アルミ合金溶湯を急冷凝固させてつくったアルミ合金
粉末を粉末成形して上記内側筒部材１に殆ど隙間な（外
嵌する外側筒部材２〔第１図（Ｂ）〕を製造する。In the first step, an aluminum alloy inner cylinder member 1 [Fig. 1 (A)] containing about 10 to 20% by volume of reinforcing fibers such as glass fibers and alumina short fibers is manufactured, and the molten aluminum alloy An aluminum alloy powder made by rapidly cooling and solidifying is powder-molded to produce an outer cylinder member 2 (FIG. 1(B)) which fits onto the inner cylinder member 1 with almost no clearance.
内側筒部材１は、例えば直径３μｍ・長さ２００〜３０
０μｍ・比重３．１のアルミナ短繊維を混入させたアル
ミ合金材料を用い、鋳造や溶湯鍛造や粉末成形により既
存の技術で製造することが出来、その製造した内側筒部
材１は、必要に応じて、更に押出し成形して材質的・組
織的に強化してもよい。尚、強化繊維の含有率が１０％
以下のときは耐摩耗性・耐へたり性の面で不十分となり
、また強化繊維含有率が２０％以上のときには強度が低
下しクラックが入りやすくなる。The inner cylinder member 1 has a diameter of 3 μm and a length of 200 to 30 μm, for example.
Using an aluminum alloy material mixed with alumina short fibers with a specific gravity of 3.1, it can be manufactured using existing techniques such as casting, molten metal forging, and powder forming. Then, it may be further extruded to strengthen the material and structure. In addition, the content of reinforcing fiber is 10%.
In the following cases, the abrasion resistance and fatigue resistance will be insufficient, and in the case where the reinforcing fiber content is 20% or more, the strength will decrease and cracks will easily occur.
外側筒部材２は、通常のアルミ合金粉末を用い粉末成形
機により粉末成形して製造してもよいが、急冷凝固によ
りつくったアルミ合金粉末（例えば、Ｓｉ：１５〜１７
、Ｃｕ：２〜３、Ｍｇ：１〜２、ｗｔ％）を用いる場合
にはその金属組織が微細化しているので、成形性に優れ
た外側筒部材２が得られる。The outer cylindrical member 2 may be manufactured by molding ordinary aluminum alloy powder using a powder molding machine, but aluminum alloy powder made by rapid solidification (for example, Si: 15 to 17
, Cu: 2 to 3, Mg: 1 to 2, wt%), the metal structure is refined, so an outer cylinder member 2 with excellent formability can be obtained.
次に、第２工程において、上記内側筒部材１に外側筒部
材２を外嵌させて複合筒部材３とする〔第１図（Ｃ）〕
。この場合、嵌合抵抗が大きいときにはプレス機械など
により外嵌させる。Next, in a second step, the outer cylinder member 2 is externally fitted onto the inner cylinder member 1 to form a composite cylinder member 3 [Fig. 1(C)]
. In this case, if the fitting resistance is large, external fitting is performed using a press machine or the like.
次に、第３工程において、第２図に示すように、押出し
成形機を用いて、上記複合筒部材３を押出し成形し、複
合筒部材３の外径を小さく絞るとともに、内側筒部材１
の外周部と外側筒部材２の内周部とを塑性流動結合させ
る。Next, in the third step, as shown in FIG.
The outer periphery of the outer cylindrical member 2 and the inner periphery of the outer cylindrical member 2 are joined together by plastic flow.
この場合、下端近傍部に所定内径のダイス５を有する成
形スリーブ４内に複合筒部材３を挿入するとともに、マ
ンドレル６を内側筒部材１に挿入し、マンドレル６の上
端の加圧部材７を複合筒部材３の上端に当接させ、成形
用油圧シリンダのラム８で加圧部材７を加圧していくと
、複合筒部材３はマンドレル６とダイス５とで絞られ、
この押出し成形時の加圧力により内側筒部材１の外周部
と外側筒部材２の内周部とが塑性流動結合し、両筒部材
１・２が強力に結合した成形複合筒部材３Ａとなる。In this case, the composite cylindrical member 3 is inserted into the molding sleeve 4 having a die 5 of a predetermined inner diameter near the lower end, the mandrel 6 is inserted into the inner cylindrical member 1, and the pressure member 7 at the upper end of the mandrel 6 is pressed into the molding sleeve 4. When the pressure member 7 is brought into contact with the upper end of the cylindrical member 3 and pressurized by the ram 8 of the molding hydraulic cylinder, the composite cylindrical member 3 is squeezed by the mandrel 6 and the die 5.
Due to the pressure applied during extrusion molding, the outer circumferential portion of the inner cylindrical member 1 and the inner periphery of the outer cylindrical member 2 are bonded by plastic flow, resulting in a molded composite cylindrical member 3A in which both the cylindrical members 1 and 2 are strongly bonded.
次に、第４工程において、上記成形複合筒部材３Ａを輪
切り状に切断して、バルブアッパシート１１をつくる為
の鍛造素材３Ｂ（第３図）とする。Next, in a fourth step, the molded composite cylindrical member 3A is cut into circular slices to obtain a forged material 3B (FIG. 3) for making the valve upper seat 11.
次に、第５工程において、第４図・第５図に示すように
鍛造成形機を用いて上記鍛造素材３Ｂをバルブアッパシ
ート１１に鍛造成形する。Next, in a fifth step, the forged material 3B is forged into the valve upper seat 11 using a forging machine as shown in FIGS. 4 and 5.
この場合、バルブアッパシート１１の外形を画する下型
９と上型１０とを用い、下型９に鍛造素材３Ｂをセット
し、上型１０と下型９とで加圧すると、バルブアッパシ
ート１１が得られる。In this case, using a lower die 9 and an upper die 10 that define the outer shape of the valve upper seat 11, the forging material 3B is set in the lower die 9, and when pressurized by the upper die 10 and the lower die 9, the valve upper seat 11 is obtained.
この鍛造成形時、上型１０のパンチ１０ａでテーパ状に
成形される内側筒部材１に対応する部分ＩＡは成形に伴
う変形量も小さいので内側筒部材１内の強化繊維が破断
することもなく耐摩耗性・耐へたり性に優れたコーター
嵌合部となるのに対し、成形に伴う変形量の大きい外周
側の部分２Ａは成形性に優れた外側筒部材２で構成され
ているので所定の形状に容易に成形されることになる。During this forging, the portion IA corresponding to the inner cylindrical member 1 that is formed into a tapered shape by the punch 10a of the upper mold 10 has a small amount of deformation due to the forming, so that the reinforcing fibers in the inner cylindrical member 1 do not break. The coater fitting part has excellent wear resistance and set resistance, while the outer circumferential part 2A, which undergoes large deformation due to molding, is composed of the outer cylindrical member 2 with excellent moldability. It can be easily molded into the shape of
上記バルブアッパシート１１の製造方法では、内側筒部
材１と外側筒部材２との２つの素材を嵌合してから押出
し成形し、それを切断して鍛造成形するという簡単な工
程によって、軽量で耐摩耗性・耐へたり性に優れ且つ所
定の形状に成形された安定した品質のバルブアッパシー
ト１１を安価に製造することが出来る。The method for manufacturing the valve upper seat 11 described above uses a simple process of fitting the two materials of the inner cylindrical member 1 and the outer cylindrical member 2, extruding them, cutting them, and forging them. It is possible to manufacture the valve upper seat 11 of stable quality, which has excellent wear resistance and set resistance, and which is molded into a predetermined shape at a low cost.
上記実施例では、エンジンのバルブアッパシート１１を
製造する場合を例にして説明したが、バルブアッパシー
ト１１に限らず、内周側の部分に耐摩耗性を要求される
軸孔部などを有し、外周側の部分を大きな変形を伴って
種々の形状に成形する必要のあるような各種の機械部品
を複合部材として製造する場合にも本発明を同様に適用
することが出来る。In the above embodiment, the case where the valve upper seat 11 of an engine is manufactured has been explained as an example, but the valve upper seat 11 is not limited to the case, and the inner circumferential portion may have a shaft hole etc. that requires wear resistance. However, the present invention can be similarly applied to the case where various mechanical parts are manufactured as composite members in which the outer circumferential portion needs to be formed into various shapes with large deformations.
図面は本発明の実施例を示すもので、第１図（Ａ）は内
側筒部材の斜視図、第１図（Ｂ）は外側筒部材の斜視図
、第１図（Ｃ）は複合筒部材の斜視図、第２図は複合筒
部材を押出し成形している状態を示す要部縦断面図、第
３図は鍛造素材の斜視図、第４図は鍛造素材を鍛造成形
機の下型上に載置した状態を示す要部縦断面図、第５図
は同じく鍛造素材を鍛造成形した状態を示す要部縦断面
図である。
１・・内側筒部材、 ２・・外側筒部材、 ３・３Ａ・
・複合筒部材、 ３Ｂ・・鍛造素材、１１・・バルブア
ッパシート。The drawings show an embodiment of the present invention, and FIG. 1(A) is a perspective view of an inner cylindrical member, FIG. 1(B) is a perspective view of an outer cylindrical member, and FIG. 1(C) is a composite cylindrical member. Figure 2 is a vertical sectional view of the main part showing the state in which the composite cylindrical member is extruded, Figure 3 is a perspective view of the forging material, and Figure 4 is the forging material placed on the lower mold of the forging machine. FIG. 5 is a vertical cross-sectional view of the main part showing a state in which the forged material is forged. 1.Inner tube member, 2.Outer tube member, 3.3A.
・Composite cylindrical member, 3B: Forged material, 11: Valve upper seat.
Claims (2)
、強化繊維を含有するアルミ合金製の内側筒部材を嵌合
させ、 上記内側筒部材と上記外側筒部材とからなる複合筒部材
を押出し成形して内側と外側の両筒部材を塑性流動結合
させ、 次に、その複合筒部材を切断して所定形状に鍛造成形す
ることを特徴とする複合部材の製造方法。(1) An inner cylinder member made of aluminum alloy containing reinforcing fibers is fitted to an outer cylinder member obtained by molding aluminum alloy powder, and a composite cylinder member consisting of the inner cylinder member and the outer cylinder member A method for manufacturing a composite member, which comprises extruding the inner and outer cylindrical members to plastically bond the inner and outer cylindrical members, and then cutting the composite cylindrical member and forging it into a predetermined shape.
凝固させて製造したアルミ合金粉末を用いる特許請求の
範囲第１項に記載の複合部材の製造方法。(2) The method for manufacturing a composite member according to claim 1, wherein the aluminum alloy powder is an aluminum alloy powder produced by rapidly cooling and solidifying a molten aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2576787A JPS63194816A (en) | 1987-02-06 | 1987-02-06 | Manufacture of composite member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2576787A JPS63194816A (en) | 1987-02-06 | 1987-02-06 | Manufacture of composite member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63194816A true JPS63194816A (en) | 1988-08-12 |
Family
ID=12174988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2576787A Pending JPS63194816A (en) | 1987-02-06 | 1987-02-06 | Manufacture of composite member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63194816A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03161140A (en) * | 1989-11-17 | 1991-07-11 | Hitachi Ltd | Method of joining metal parts and metal joining parts |
| JP2017514697A (en) * | 2014-04-29 | 2017-06-08 | サン・ジャン・インダストリーズ | Method for the manufacture of parts made from metal or metal matrix composites and results from processes comprising additive manufacturing and subsequent forging of said parts |
| CN107486477A (en) * | 2017-09-29 | 2017-12-19 | 山东大学 | A kind of Al/Mg/Al composite boards bridge die extrusion building mortion and method |
-
1987
- 1987-02-06 JP JP2576787A patent/JPS63194816A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03161140A (en) * | 1989-11-17 | 1991-07-11 | Hitachi Ltd | Method of joining metal parts and metal joining parts |
| JP2017514697A (en) * | 2014-04-29 | 2017-06-08 | サン・ジャン・インダストリーズ | Method for the manufacture of parts made from metal or metal matrix composites and results from processes comprising additive manufacturing and subsequent forging of said parts |
| CN107486477A (en) * | 2017-09-29 | 2017-12-19 | 山东大学 | A kind of Al/Mg/Al composite boards bridge die extrusion building mortion and method |
| CN107486477B (en) * | 2017-09-29 | 2018-12-18 | 山东大学 | A kind of Al/Mg/Al composite board bridge die extrusion forming device and method |
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