JPH0241341Y2

JPH0241341Y2 -

Info

Publication number: JPH0241341Y2
Application number: JP12413885U
Authority: JP
Priority date: 1985-08-12
Filing date: 1985-08-12
Publication date: 1990-11-02
Also published as: JPS6236044U

Description

【考案の詳細な説明】〔産業上の利用分野〕本考案は、例えばインレツトエアーサージタン
ク等にあつて、予め成形したダイカスト分割片相
互を接合して一体に構成されるアルミ製接合構造
部品に関する。[Detailed description of the invention] [Industrial application field] The present invention is an aluminum bonded structure component, which is constructed by bonding pre-formed die-cast segments to each other, for example in inlet air surge tanks, etc. Regarding.

[Conventional technology]

従来、上述インレツトエアーサージタンクは、
アンダーカツトの多い複雑な形状をした中空品で
あるため、中子を使用して一体にダイカスト鋳造
することは困難であつた。 Conventionally, the above-mentioned inlet air surge tank is
Since it is a hollow product with a complicated shape and many undercuts, it was difficult to die-cast it using a core.

このため、上記インレツトエアーサージタンク
等は、予めダイカスト鋳造により２分割にダイカ
スト分割片を成形した后、該両ダイカスト分割片
相互をエポキシ系接着剤を用いて接着し一体に構
成したものが提案され、その製造方法は特開昭60
−45771号公報に開示されている。 For this reason, it has been proposed that the above-mentioned inlet air surge tank, etc. be constructed by forming two die-cast pieces in advance by die-casting, and then bonding the two die-cast pieces to each other using an epoxy adhesive. The manufacturing method was published in Japanese Patent Application Publication No. 1983.
-Disclosed in Publication No. 45771.

しかし、上記接着剤を用いて２分割成形したダ
イカスト分割片を接着する際、これらの接合面に
接着剤を塗布した后、ボルトにより両接合面を締
め付けるが、ボルト締めをすると接着剤層が均一
な層厚とならず、特にボルト締め付近の接着層の
層厚が他の部分よりも薄く（例えば、厚い個所
0.3mm、薄い個所0.02〜0.05mm）なるため、充分な
接着強度が得られず剥離し易いといつた問題点が
ある。 However, when bonding die-cast pieces formed in two parts using the above adhesive, the adhesive is applied to the joint surfaces and then both joint surfaces are tightened with bolts, but when the bolts are tightened, the adhesive layer is uniform. In particular, the adhesive layer near the bolt tightening area is thinner than other parts (for example, in thick areas
0.3 mm, and 0.02 to 0.05 mm in thinner areas), so there is a problem that sufficient adhesive strength cannot be obtained and it is easy to peel off.

又、従来、均一な接着剤層を得る手段として、
スペーサ板（例えば厚さ0.1mm）を挿入方法があ
るが、この方法では、多数個のスペーサ板を必要
とするのみならず、これを挿入ための工程が必要
であり、又その挿入部分には接着剤層が欠除され
るため充分な接着強度が得難い等の問題点があ
る。 Also, conventionally, as a means of obtaining a uniform adhesive layer,
There is a method of inserting spacer plates (for example, 0.1 mm thick), but this method not only requires a large number of spacer plates, but also requires a process to insert them, and the insertion part Since the adhesive layer is missing, there are problems such as difficulty in obtaining sufficient adhesive strength.

次に本願人が、被接合部材相互を接着剤を用い
て接合した、その接合部の接着力を試験した結果
を以下に記す。 Next, the results of the applicant's test of the adhesion strength of the joined parts, in which the members to be joined are joined together using an adhesive, will be described below.

(1)加圧力と接着剤層厚さとの関係試験片としての冷延網板（75×150mm）上にエ
ポキシ樹脂系接着剤（Al粒径0.03mm）を用いた結
果、ボルト締めによる加圧力が増加すると、接着
剤層厚さが著しく薄くなることがわかる。(1) Relationship between pressing force and adhesive layer thickness As a result of using an epoxy resin adhesive (Al particle size 0.03 mm) on a cold rolled mesh board (75 x 150 mm) as a test piece, the pressing force due to bolt tightening was It can be seen that as the value increases, the adhesive layer thickness becomes significantly thinner.

実測値では、ボルト締付力１Kg／cm²で接着剤層
厚さは約0.15〜0.2mmであつた。 Actual measurements showed that the adhesive layer thickness was approximately 0.15 to 0.2 mm at a bolt tightening force of 1 Kg/cm ² .

(2)接着剤層の厚さと接着強さとの関係試験片として冷延銅板を用い、エポキシ樹脂系
接着剤（Al粒末径0.03mm）を塗布した場合であ
り、接着剤層厚が約0.10mmで、接着力（剥離強
度、剪断強度）は高い値を示したが、接着剤の層
厚が0.03mm以下になると接着力は著しく低下す
る。(2) Relationship between adhesive layer thickness and adhesive strength This is a case where a cold-rolled copper plate was used as a test piece and an epoxy resin adhesive (Al particle diameter 0.03 mm) was applied, and the adhesive layer thickness was approximately 0.10 mm. mm, the adhesive strength (peel strength, shear strength) showed high values, but the adhesive strength decreased significantly when the adhesive layer thickness became 0.03 mm or less.

(3)Al粉の粒度と接着力との関係上記試験結果により、ボルト締めによる加圧下
で接着面の接着剤厚さを均一に0.1mm〜0.2mmに保
持できるよう、接着剤中の充填剤Al粉末の粒径
0.1〜0.2mmを含有させることが接合面の接着力を
向上できることが判明した。(3) Relationship between particle size of Al powder and adhesive strength The above test results show that the filler in the adhesive is used to maintain a uniform thickness of 0.1 mm to 0.2 mm on the adhesive surface under the pressure of bolt tightening. Al powder particle size
It has been found that containing 0.1 to 0.2 mm can improve the adhesive strength of the joint surface.

[Problem that the invention attempts to solve]

そこで本考案は、上述従来の問題点に鑑みて検
討の結果、上記試験の結果に着目してなされたも
ので、接着剤中のAl充填剤の粒径を0.1〜0.2mmと
することにより、接合面の接着強度を向上でき
て、かつ、工程の簡略化によるコスト低減を図り
得るアルミ製接合構造部品を提供しようとするの
が、その目的である。 Therefore, the present invention was developed by focusing on the results of the above-mentioned tests after considering the above-mentioned conventional problems. By setting the particle size of the Al filler in the adhesive to 0.1 to 0.2 mm, The purpose is to provide an aluminum bonded structure component that can improve the adhesive strength of the bonding surfaces and reduce costs by simplifying the process.

[Means for solving problems]

即ち本考案は、予め成形したダイカスト分割片
相互を、エポキシ樹脂45〜54重量部と粒径0.1〜
0.2mmのAl粉末もしくはその他の金属粉末30〜40
重量部とグアニジン誘導体４〜６重量部とからな
る接着剤で接合した后、焼成して一体に構成し、
上述問題点を解決したのである。 That is, in the present invention, preformed die-cast divided pieces are mixed with 45 to 54 parts by weight of epoxy resin and a particle size of 0.1 to 54 parts by weight.
0.2mm Al powder or other metal powder 30~40
After bonding with an adhesive consisting of parts by weight and 4 to 6 parts by weight of a guanidine derivative, it is baked to form an integral structure,
This solved the problems mentioned above.

〔Example〕

以下本考案の一実施例を図面に基づいて詳述す
る。 An embodiment of the present invention will be described in detail below with reference to the drawings.

第１図は２分割にダイカスト成形したインレツ
トエアーサージタンクの分割片２，３を示し、第
２図は上記各分割片をボルト４と接着剤とで接合
して形成したインレツトエアーサージタンク１を
示している。 Figure 1 shows divided pieces 2 and 3 of an inlet air surge tank formed by die-casting into two parts, and Figure 2 shows an inlet air surge tank formed by joining each of the above divided pieces with bolts 4 and adhesive. 1 is shown.

上記分割片２，３は、ダイカスト用Al合金
（ADC１０又はADC１２）を用いて、以下の鋳
造条件で肉厚2.5mmにダイカスト成形されている。 The divided pieces 2 and 3 are die-cast to a thickness of 2.5 mm using an Al alloy for die-casting (ADC10 or ADC12) under the following casting conditions.

鋳造条件ダイカストマシン 800＄溶湯温度 680℃ 鋳込圧 700Kg／cm² 金型温度 200℃ 上記条件でダイカスト成形した分割片２，３を
以下の工程で接合してインレツトエアーサージタ
ンク１を構成した。Casting conditions Die casting machine 800$ Molten metal temperature 680℃ Casting pressure 700Kg/cm ^2Mold temperature 200℃ Inlet air surge tank 1 was constructed by joining the divided pieces 2 and 3 that were die-cast under the above conditions in the following process. .

フライス加工后表面粗さ10S−30S、NC塗布機
（図示せず）を用いて分割片２，３の接合面５…
に粒径0.1〜0.2mmのAl粉末を含んだ接着剤を塗布
し、次いでボルト４…にて締め付けた后、連続炉
で加熱（120℃〜160℃、10〜30分）して一体に構
成した。 After milling, the joint surface 5 of divided pieces 2 and 3 is coated with a surface roughness of 10S-30S using an NC coater (not shown)...
An adhesive containing Al powder with a particle size of 0.1 to 0.2 mm is applied to the surface, then tightened with bolts 4, and then heated in a continuous furnace (120℃ to 160℃, 10 to 30 minutes) to form an integral structure. did.

こゝで、上記接着剤には以下の組成のものを用
いた。 Here, the above adhesive had the following composition.

エポキシ樹脂 50部（重量） Al粉末（粒径0.1mm） 35部（〃）ニトリルゴム５部（〃）グアニジン誘導体（硬化剤）５部（〃）第３図はAl粉末の粒径（横軸）と接着力（縦
軸）との関係を示したグラフである。Epoxy resin 50 parts (by weight) Al powder (particle size 0.1 mm) 35 parts (〃 ) Nitrile rubber 5 parts (〃 ) Guanidine derivative (curing agent) 5 parts (〃 ) Figure 3 shows the particle size of Al powder (horizontal axis ) and adhesive force (vertical axis).

第３において、接合面５に接着剤を塗布した
后、ボルト４にて締め付けた状態での接合面５の
接着剤層厚が0.10mm又は0.30mmの場合Al粉末の粒
径が0.10〜0.30mmの範囲にある時、接着力が大き
い。又層厚が0.05mmと薄い場合と、層厚が0.40mm
と厚過ぎた場合は、全範囲にわたつて接着力は小
さい。 In the third case, when the adhesive layer thickness on the joint surface 5 is 0.10 mm or 0.30 mm after the adhesive is applied to the joint surface 5 and the bolt 4 is tightened, the particle size of the Al powder is 0.10 to 0.30 mm. When it is in the range of , the adhesive strength is large. Also, when the layer thickness is as thin as 0.05mm, and when the layer thickness is 0.40mm.
If it is too thick, the adhesive force will be low over the entire range.

こゝで、注意すべきことは、Al粉末の粒径は
常に接着剤層厚より大きくならないように設定す
ることである。 What should be noted here is that the particle size of the Al powder should always be set so as not to be larger than the thickness of the adhesive layer.

[Effect of idea]

以上説明したように本考案に係るアルミ製接合
構造部品は構成したものであるから、分割成形し
たダイカスト分割片２，３相互を接合する接着剤
中の充填剤として、粒径0.1〜0.2mmのAl粉末の含
有させたことによつて、接着剤の層厚を均一に、
かつ、実験結果より理想的な0.1〜0.2mmの層厚に
できるので、接合面５の接着力は高く、かつ、ば
らつきを生じないので、接着強度の大きい品質の
安定した製品を得られるのみならず、スペーサ板
を挿入するようにした従来例と比較して工程を簡
略化できるから、生産コストを低減できる等の効
果がある。 As explained above, since the aluminum joint structure component according to the present invention is constructed, the filler in the adhesive that joins the separately molded die-cast divided pieces 2 and 3 to each other is used as a filler with a particle size of 0.1 to 0.2 mm. By including Al powder, the adhesive layer thickness can be made uniform.
Moreover, since the layer thickness can be set to the ideal 0.1 to 0.2 mm based on the experimental results, the adhesion force on the bonding surface 5 is high and there is no variation, so it is possible to obtain a stable product with high adhesive strength. First, since the process can be simplified compared to the conventional example in which a spacer plate is inserted, production costs can be reduced.

[Brief explanation of the drawing]

第１図は本考案に係るアルミ製接合構造部品の
一実施例を示した２分割にダイカスト成形したイ
ンレツトエアーサージタンクの分割片の斜視図、
第２図はダイカスト分割片を接着剤とボルトで接
合して構成したインレツトエアーサージタンクの
斜視図、第３図は同実施例におけるダイカスト分
割片を接着する接着剤中のAl粉末粒径と接着力
との関係を示したグラフである。２，３……ダイカスト分割片。 FIG. 1 is a perspective view of a divided piece of an inlet air surge tank formed by die-casting into two parts, showing an embodiment of the aluminum bonded structural component according to the present invention;
Figure 2 is a perspective view of an inlet air surge tank constructed by joining die-cast segments with adhesive and bolts, and Figure 3 shows the particle size of Al powder in the adhesive that bonds the die-cast segments in the same example. It is a graph showing the relationship with adhesive force. 2, 3...Die-cast divided piece.

Claims

[Scope of utility model registration request]

The preformed die-cast divided pieces are bonded together using an adhesive consisting of 45 to 54 parts by weight of epoxy resin, 30 to 40 parts by weight of Al powder or other metal powder with a particle size of 0.1 to 0.2 mm, and 4 to 6 parts by weight of a guanidine derivative. An aluminum bonded structure component characterized by being integrally constructed by bonding the aluminum and then firing it.