JPS63207422A - Method for molding parts - Google Patents
Method for molding partsInfo
- Publication number
- JPS63207422A JPS63207422A JP62037827A JP3782787A JPS63207422A JP S63207422 A JPS63207422 A JP S63207422A JP 62037827 A JP62037827 A JP 62037827A JP 3782787 A JP3782787 A JP 3782787A JP S63207422 A JPS63207422 A JP S63207422A
- Authority
- JP
- Japan
- Prior art keywords
- superplastic
- mold
- blow molding
- cost
- stock
- 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
- 238000000465 moulding Methods 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 title claims description 13
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000000071 blow moulding Methods 0.000 claims abstract description 21
- 238000005304 joining Methods 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 238000007730 finishing process Methods 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 abstract description 8
- 239000000956 alloy Substances 0.000 abstract description 8
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000005266 casting Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、エンジンに具備されるエアコネクタのような
部品を超塑性ブロー成形により成形する成形方法に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a molding method for molding parts such as air connectors included in engines by superplastic blow molding.
エアコネクタ１とは第１０図に示すようにターボチャー
ジャ２またはエアフィルタとインテークマニホールド３
を接続する中空部品でエンジン４に送り込まれる空気（
常温）が通るもの−１−−へ−
である。The air connector 1 is the turbocharger 2 or air filter and intake manifold 3 as shown in Figure 10.
Air (
(room temperature) passes through -1--.
エアコネクタ１は同一エンジンでも車体の構造、スペー
スの制約から適用する車体毎に異なった形状をもつ場合
が多く、極めて多種で少量の生産となっている。Even for the same engine, the air connector 1 often has a different shape depending on the vehicle body to which it is applied due to the structure of the vehicle body and space constraints, and is produced in a very wide variety and in small quantities.
前記エアコネクタ１の製作は、アルミ鋳造および鉄鋳造
により行われている。The air connector 1 is manufactured by aluminum casting and iron casting.
上記のようにエアコネクタ１か鋳造で製作されることに
より、中子が必要で型費が大になるしまた湯流れ性を考
慮し肉厚が過大になって必要以上の重量、コストになっ
ていた。As mentioned above, since the air connector 1 is manufactured by casting, a core is required, which increases the cost of the mold, and the wall thickness becomes excessive in consideration of the flowability of the metal, resulting in more weight and cost than necessary. was.
またエアコネクタ１を通常の板金成形後接合した場合、
多工程のプレス成形を必要とし鋳造以上に型費が多くな
っていた。In addition, when the air connector 1 is joined after normal sheet metal forming,
It required multiple steps of press forming, and the mold cost was higher than casting.
本発明は上記の事情に鑑みなされたものであって、その
目的とするところは従来の鋳造法や板金製造法に比べて
型費か安価になり部品の製造コストを低減することがで
きる部品の成形力法を提供することにある。The present invention has been made in view of the above circumstances, and its purpose is to produce parts that can reduce mold costs and reduce manufacturing costs compared to conventional casting methods and sheet metal manufacturing methods. The object of the present invention is to provide a forming force method.
〔問題点を解決するための手段及び作用〕上記の目的を
達成するために本発明は、超塑性材料より成る板状の素
材を所定形状に切断後超塑性ブロー成形により成形品に
成形し、この超塑性ブロー成形工程の前後のいずれかに
接合工程を存在させ、仕上げ工程により部品を仕上げる
ようにした。[Means and effects for solving the problems] In order to achieve the above object, the present invention involves cutting a plate-like material made of a superplastic material into a predetermined shape and then forming it into a molded product by superplastic blow molding. A joining process was provided either before or after this superplastic blow molding process, and the parts were finished by a finishing process.
以下、本発明の実施例を第１図乃至第９図に基づいて説
明する。Embodiments of the present invention will be described below with reference to FIGS. 1 to 9.
第１図■、■、■、■、■に部品であるエアコネクタの
製造工程を示す。Figures 1, 2, 2, 2, and 1 show the manufacturing process of the air connector parts.
（１）超塑性材料より成る板状の素材１０を所定形状（
平面路く字形状）に切断する（第１図■参照）。超塑性
材料としては、軽量性を重視する場合にはＡｇ系超塑性
合金（Ａ ５０８３゜Ａ７４７５等）が用いられるし、
また強度、耐熱性を要する場合には銅系超塑性合金（２
５Ｃｒ−７Ｎｉ、２２Ｃｒ−５Ｎｉ、１８Ｃｒ−４Ｎｉ
系ステンレス等）が用いられる。(1) A plate-shaped material 10 made of superplastic material is shaped into a predetermined shape (
(See Figure 1 ■). As the superplastic material, Ag-based superplastic alloys (A 5083°A7475, etc.) are used when light weight is important,
In addition, when strength and heat resistance are required, copper-based superplastic alloy (2
5Cr-7Ni, 22Cr-5Ni, 18Cr-4Ni
stainless steel, etc.) is used.
（２）次に前記素材１０の基端部に曲げ加工を施す（第
１図■参照）。(2) Next, bending is performed on the proximal end of the material 10 (see FIG. 1).
（３）曲げ加工が施された素材１０を二枚重ねてこれら
素材１０の両側縁部１０Ａ、ＩＯＢを互いに接合する（
第１図■参照）。(3) Two sheets of bent materials 10 are stacked and the both side edges 10A and IOB of these materials 10 are joined to each other (
(See Figure 1 ■).
前記素材１０かＡｇ系超塑性合金の場合は、前記接合手
段には溶接、接着等が用いられる。When the material 10 is an Ag-based superplastic alloy, welding, adhesion, etc. are used as the joining means.
前記素材１０が銅系超塑性合金の場合には、超塑性を示
す温度域（８５０〜１０５０°Ｃ）で加圧して拡散接合
する。When the material 10 is a copper-based superplastic alloy, diffusion bonding is performed under pressure in a temperature range showing superplasticity (850 to 1050° C.).
この場合、非接合部にカーボン粉などの離型材を塗布し
て加圧し接合する。In this case, a release material such as carbon powder is applied to the non-bonded portions and pressure is applied to bond them.
（４）互に接合された素材１０にガス圧をかけて超塑性
ブロー成形する（第１図■参照）。−この超塑性ブロー
成形に際して、素材１０か銅系超塑性合金の場合は接合
と同時に超塑性ブロー成形がなされるが、素材１０かＡ
ｇ系超塑性合金の場合は拡散接合が不可能であるため素
材１０の両側縁部１０Ａ、ＩＯＢを溶接、接着で閉じて
から所定温度（５００〜５６０℃）で超塑性ブロー成形
がなされる。(4) Gas pressure is applied to the mutually joined materials 10 to perform superplastic blow molding (see Figure 1 ■). - During this superplastic blow molding, in the case of material 10 or copper-based superplastic alloy, superplastic blow molding is performed at the same time as joining, but material 10 or A
In the case of a g-based superplastic alloy, diffusion bonding is impossible, so after the both side edges 10A and IOB of the material 10 are closed by welding and adhesion, superplastic blow molding is performed at a predetermined temperature (500 to 560° C.).
超塑性ブロー成形には第４図に示す装置が用いられる。The apparatus shown in FIG. 4 is used for superplastic blow molding.
この装置は型１１．１２を備えていて、前記素材１０を
型１１．１２により上下左右の２軸加圧により型締め行
い、素材１０の曲げ部１３からガス吹込みイを行う。前
記素材１０はその内面側からガス圧Ｐを受けて時間の経
過に従って型１１．１２に沿う形状に塑性変形する（第
５図■′、■′、■′参照）。This device is equipped with molds 11 and 12, and the material 10 is clamped by biaxial pressure in the upper, lower, left and right directions, and gas is blown into the material 10 from the bent portion 13. The material 10 is subjected to gas pressure P from its inner surface, and is plastically deformed into a shape that follows the molds 11 and 12 over time (see FIGS. 5).
（５）型１１，１２より外した成形品１０′に仕上げ加
工を施しく第１図■参照）、第２図。(5) The molded product 10' removed from the molds 11 and 12 is subjected to finishing processing (see FIG. 1) and FIG.
第３図に示す製品Ａを得る。Product A shown in FIG. 3 is obtained.
なお、型１１．１２の表面が成形品１０′の表面になる
ため転写性が良く精密な表面が得られる。Note that since the surfaces of the molds 11 and 12 become the surface of the molded product 10', a precise surface with good transferability can be obtained.
上記したエアコネクタの製造工程において、（３）の接
合工程を（４）の超塑性ブロー成形工程の後に行っても
よい。In the above air connector manufacturing process, the joining step (3) may be performed after the superplastic blow molding step (4).
すなわち、一枚の素材１０を第６図に示す超塑性ブロー
成形装置において型１５を傾けて加圧シールしガス圧を
かけて超塑性ブロー成形し、ブロー成形したものを２枚
合わせて溶接または拡散接合により一体化し成形品１０
′とする。That is, one piece of material 10 is pressed and sealed by tilting the mold 15 in the superplastic blow molding apparatus shown in FIG. Molded product 10 integrated by diffusion bonding
'.
第７図乃至第９図に本発明の他の実施例を示す。Other embodiments of the present invention are shown in FIGS. 7 to 9.
（１）超塑性材料より成る板状の素材１０を所定形状（
平面路く字形状）に切断する（第７図（ａ）参照）。(1) A plate-shaped material 10 made of superplastic material is shaped into a predetermined shape (
(See FIG. 7(a)).
（２）素材１０を所定温度に加熱しガス圧をかけて超塑
性ブロー成形する（第７図（ｂ）参照）。(2) The material 10 is heated to a predetermined temperature and gas pressure is applied to perform superplastic blow molding (see FIG. 7(b)).
（３）成形された素材１０の余分な部品１６を切断除去
する。(3) Cutting and removing the excess parts 16 of the molded material 10.
（４）対称形の二つの成形後の素材１０を溶接（Ａｇ系
超塑性材の場合）、拡散接合（銅系超塑性材の場合）し
て結合一体化する（第７図（Ｃ）参照）。(4) Two symmetrically formed materials 10 are welded (in the case of Ag-based superplastic material) or diffusion bonded (in the case of copper-based superplastic material) to be integrated (see Figure 7 (C)). ).
この時、要塑性ブロー成形により座板部１７の板厚が素
材１０に対して約１／２に減少し強度、剛性不足なるた
め座板１８を結合し補強する必要がある。At this time, due to the required plastic blow molding, the thickness of the seat plate portion 17 is reduced to about 1/2 of that of the material 10, resulting in insufficient strength and rigidity, so it is necessary to bond and reinforce the seat plate 18.
この座板１８の前記座板部１７への結合は、第８図に示
すように座板部１７に座板１８を溶接または拡散接合す
るか、または第９図に示すように半割タイプの座板１８
の内側に直筒状の座板部１７を刺し込み、溶接を行う。The seat plate 18 can be connected to the seat plate part 17 by welding or diffusion bonding the seat plate 18 to the seat plate part 17 as shown in FIG. 8, or by using a half-split type as shown in FIG. Seat plate 18
A straight cylindrical seat plate portion 17 is inserted into the inside of the tube and welded.
以上詳述したように、本発明に係る部品の成形方法は、
超塑性材料より成る板状の素材を所定形状に切断後超塑
性ブロー成形により成形品に成形し、この超塑性ブロー
成形工程の前後のいずれかに接合工程を存在させ、仕上
げ工程により部品を仕上げるようにしたことを特徴とす
るものである。As detailed above, the method for molding parts according to the present invention includes:
After cutting a plate-shaped material made of superplastic material into a predetermined shape, it is formed into a molded product by superplastic blow molding, a joining process is performed either before or after this superplastic blow molding process, and the part is finished by a finishing process. It is characterized by the following.
したがって、この部品の成形方法により部品を製造する
ことにより従来の鋳造法や板金製造法に比べて型費が安
価になり、部品の製造コストを低減することができる。Therefore, by manufacturing a part using this part molding method, the mold cost is lower than that of the conventional casting method or sheet metal manufacturing method, and the manufacturing cost of the part can be reduced.
第１図は本発明一実施例を示す工程説明図、第２図は製
品（部品）であるエアコネクタの斜視図、第３図は第２
図■−■線に沿う断面図、第４図は超塑性ブロー成形装
置の構成説明図、第５図は超塑性ブロー成形の説明図、
第６図は他の超塑性ブロー成形装置の構成説明図、第７
図は本発明の他の実施例を示す工程説明図、第８図、第
９図はそれぞれ異なるエアコネクタの座板部の補強手段
の構成説明図、第１０図はエンジンの吸気部の分解斜視
図である。
１０は素材、１０′は成形品、１１，１２゜１５は型。Fig. 1 is a process explanatory diagram showing one embodiment of the present invention, Fig. 2 is a perspective view of an air connector as a product (part), and Fig. 3 is a diagram showing a second embodiment of the present invention.
A cross-sectional view along the line of Figure ■-■, Figure 4 is an explanatory diagram of the configuration of a superplastic blow molding device, Figure 5 is an explanatory diagram of superplastic blow molding,
Fig. 6 is an explanatory diagram of the configuration of another superplastic blow molding device, Fig. 7
The figures are process explanatory drawings showing other embodiments of the present invention, Figs. 8 and 9 are structural illustrations of reinforcing means for the seat plate portions of different air connectors, and Fig. 10 is an exploded perspective view of the intake section of the engine. It is a diagram. 10 is the material, 10' is the molded product, 11, 12° and 15 are the molds.
Claims (1)
性ブロー成形により成形品に成形し、この超塑性ブロー
成形工程の前後のいずれかに接合工程を存在させ、仕上
げ工程により部品を仕上げるようにしたことを特徴とす
る部品の成形方法。After cutting a plate-shaped material made of superplastic material into a predetermined shape, it is formed into a molded product by superplastic blow molding, a joining process is performed either before or after this superplastic blow molding process, and the part is finished by a finishing process. A method for molding parts, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62037827A JPS63207422A (en) | 1987-02-23 | 1987-02-23 | Method for molding parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62037827A JPS63207422A (en) | 1987-02-23 | 1987-02-23 | Method for molding parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63207422A true JPS63207422A (en) | 1988-08-26 |
Family
ID=12508359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62037827A Pending JPS63207422A (en) | 1987-02-23 | 1987-02-23 | Method for molding parts |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63207422A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0332421A (en) * | 1989-06-29 | 1991-02-13 | Honda Motor Co Ltd | Manufacture of variable diameter tube |
| EP3549690A1 (en) * | 2018-04-02 | 2019-10-09 | Rohr, Inc. | Tooling for forming nacelle components |
-
1987
- 1987-02-23 JP JP62037827A patent/JPS63207422A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0332421A (en) * | 1989-06-29 | 1991-02-13 | Honda Motor Co Ltd | Manufacture of variable diameter tube |
| EP3549690A1 (en) * | 2018-04-02 | 2019-10-09 | Rohr, Inc. | Tooling for forming nacelle components |
| US10807143B2 (en) | 2018-04-02 | 2020-10-20 | Rohr, Inc | Tooling for forming nacelle components |
| EP3954477A1 (en) * | 2018-04-02 | 2022-02-16 | Rohr, Inc. | Tooling and method for forming nacelle components |
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