JPS6161210B2 - - Google Patents
Info
- Publication number
- JPS6161210B2 JPS6161210B2 JP2243779A JP2243779A JPS6161210B2 JP S6161210 B2 JPS6161210 B2 JP S6161210B2 JP 2243779 A JP2243779 A JP 2243779A JP 2243779 A JP2243779 A JP 2243779A JP S6161210 B2 JPS6161210 B2 JP S6161210B2
- Authority
- JP
- Japan
- Prior art keywords
- contact material
- electrical contact
- composite electrical
- base material
- noble metal
- 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.)
- Expired
Links
- 239000000463 material Substances 0.000 claims description 66
- 239000002131 composite material Substances 0.000 claims description 24
- 229910000510 noble metal Inorganic materials 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 9
- 239000010953 base metal Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 description 8
- 239000010970 precious metal Substances 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 4
- 229910002482 Cu–Ni Inorganic materials 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 229910017937 Ag-Ni Inorganic materials 0.000 description 1
- 229910017984 Ag—Ni Inorganic materials 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 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
- 238000005304 joining Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Magnetic Heads (AREA)
- Manufacture Of Switches (AREA)
Description
【発明の詳細な説明】
本発明は、複合電気接点材の製造方法に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a composite electrical contact material.
一般に電気接点材は、溶接性、経済性の改善等
の為に、貴金属と卑金属とを張り合わせた所謂複
合電気接点材が広く用いられているが、用途によ
つては、第１図Ａ及びＢに示すような断面半円形
又は台形の卑金属より成る台材１ａ，１a′の端子
板（図示せず）等との接合面１ｂ，１b′以外の外
周面に略均一な厚さの貴金属又は貴金属合金より
成る接点材１ｃ，１c′を有する複合電気接点材
１，１′が要望されている。 In general, so-called composite electrical contact materials made by laminating precious metals and base metals are widely used to improve weldability and economical efficiency, but depending on the application, materials such as those shown in Figure 1 A and B are widely used. Precious metal or noble metal having a substantially uniform thickness on the outer circumferential surface of base material 1a, 1a' made of base metal and having a semicircular or trapezoidal cross section as shown in FIG. There is a need for composite electrical contact materials 1, 1' having contact materials 1c, 1c' made of alloys.
然し乍ら、このような複合電気接点材１，１′
は、従来製造することができなかつた為、止む得
ず第２図Ａに示す如く断面半円形の卑金属より成
る台材２ａの上面を貴金属より成る接点材２ｃで
被いきれなかつた複合電気接点材２或いは第２図
Ｂに示す如く断面台形の卑金属より成る台材２
a′の全周面を貴金属より成る接点材２c′で被つた
複合電気接点材２′が使用されてきた。 However, such composite electrical contact materials 1, 1'
Since it has not been possible to manufacture conventionally, it was unavoidable to create a composite electrical contact in which the upper surface of the base material 2a made of a base metal and having a semicircular cross section could not be completely covered with the contact material 2c made of a precious metal, as shown in FIG. 2A. material 2 or a base material 2 made of base metal with a trapezoidal cross section as shown in Figure 2B
A composite electrical contact material 2' has been used in which the entire circumferential surface of a' is covered with a contact material 2c' made of a noble metal.
ところで、第２図Ａに示す複合電気接点材２に
於いて、台材２ａに例えばCu−Ni合金、Fe−Ni
合金等を用いた場合、耐蝕性が悪く、接点性能が
低下する等の種々の弊害が生じるものであつた。
また第２図Ｂに示すような複合電気接点材２′は
台材２a′の全周面を貴金属より成る接点材２c′で
被つている為、端子板等との接合面２b′の貴金属
が無駄となつて不経済であると共に端子板との接
合強度が不十分であつた。 By the way, in the composite electrical contact material 2 shown in FIG. 2A, the base material 2a is made of Cu-Ni alloy, Fe-Ni alloy, etc.
When alloys or the like are used, various problems arise, such as poor corrosion resistance and reduced contact performance.
In addition, in the composite electrical contact material 2' shown in FIG. 2B, the entire circumferential surface of the base material 2a' is covered with the contact material 2c' made of precious metal, so that the precious metal on the joint surface 2b' with the terminal plate etc. This was wasted and uneconomical, and the bonding strength with the terminal board was insufficient.
本発明は上記諸事情に鑑みてなされたものであ
り、従来製造することができなかつた卑金属又は
卑金属合金より成る台材の端子板との接合面以外
の外周面全体に、略均一な厚さの貴金属又は貴金
属合金より成る接点材を有する複合電気接点材を
製造することのできる方法を提供せんとするもの
である。 The present invention has been made in view of the above-mentioned circumstances, and the present invention has been made in view of the above-mentioned circumstances. It is an object of the present invention to provide a method for manufacturing a composite electrical contact material having a contact material made of a noble metal or a noble metal alloy.
本発明による複合電気接点材の製造方法は、第
３図Ａ，Ｂに示す如く卑金属又は卑金属合金より
成る断面半円形の線状台材３ａの頂点３ｄ又は断
面台形の線状台材３a′の上面３d′に貴金属又は貴
金属合金より成るテープ状接点材３ｃ又は３c′の
中央部を抵抗溶接或いは熱間圧接等により接合
し、然る後第４図Ａ，Ｂに示すような線状台材３
ａ，３a′の断面形状と略同形の溝４ａ，５ａを有
する上下一対の電極４，４′又はロール５，５′に
より前記テープ状接点材３ｃ又は３c′を前記線状
台材３ａ，３a′の端子板等との接合面３ｂ，３
b′以外の外周面に第５図Ａ，Ｂに示すように抵抗
溶接或いは熱間圧接等により接合して被覆し、均
一な厚さの接点材３ｃ，３c′を有する複合電気接
点材３，３′を得るものである。 As shown in FIGS. 3A and 3B, the method for manufacturing a composite electrical contact material according to the present invention is as follows. The center part of the tape-shaped contact material 3c or 3c' made of noble metal or noble metal alloy is joined to the upper surface 3d' by resistance welding or hot pressure welding, and then a linear base material as shown in FIGS. 4A and B is attached. 3
The tape-shaped contact material 3c or 3c' is connected to the linear base material 3a, 3a by a pair of upper and lower electrodes 4, 4' or rolls 5, 5' having grooves 4a, 5a having substantially the same cross-sectional shape as the cross-sectional shapes of the tapes 3a, 3a'. ’ joint surfaces 3b, 3 with terminal boards etc.
Composite electrical contact material 3, which has contact materials 3c and 3c' of uniform thickness, which are bonded and covered by resistance welding or hot pressure welding on the outer peripheral surface other than b' as shown in FIGS. 5A and B, 3' is obtained.
かようにして得られた複合電気接点材３，３′
はその後ダイスにて仕上げ成形すると良いもので
ある。 Composite electrical contact materials 3, 3' thus obtained
It is best to then perform final molding using a die.
本発明の複合電気接点材の製造方法に於いて、
予め卑金属又は卑金属合金より成る線状台材の頂
点や上面等の頂部に、貴金属又は貴金属合金より
成るテープ状接点材を接合するのは、テープ状接
点材が片寄らないように位置決めして線状台材に
正しく接合する為である。 In the method for manufacturing a composite electrical contact material of the present invention,
To join a tape-shaped contact material made of a noble metal or a noble metal alloy to the apex or upper surface of a linear base material made of a base metal or a base metal alloy in advance, position the tape-shaped contact material so that it does not shift to one side. This is to ensure proper bonding to the base material.
次に本発明による複合電気接点材の製造方法の
具体的な実施例について説明する。 Next, specific examples of the method for manufacturing a composite electrical contact material according to the present invention will be described.
実施例 １
第３図Ａに示すような幅0.46mm、厚さ0.23mmの
断面半円形のCu−Ni30w／ｏより成る線状台材
３ａの頂点３ｄに、幅0.72mm、厚さ0.05mmのAu−
Ag8w／ｏより成るテープ状接点材３ｃを熱間圧
接により接合し、然る後第４図Ａに示すような前
記線状台材３ａの断面形状と略同形の溝４ａを有
する上下一対の電極４，４′により前記テープ状
接点材３ｃを前記線状台材３ａの端子板等との接
合面３ｂ以外の外周面に抵抗溶接により接合して
被覆したところ、第５図Ａに示すような略均一な
厚さの接点材３ｃを有する複合電気接点材３が得
られた。Example 1 A wire plate 3a made of Cu-Ni 30w/o having a semicircular cross section with a width of 0.46mm and a thickness of 0.23mm as shown in FIG. Au−
A tape-shaped contact material 3c made of Ag8w/o is joined by hot pressure welding, and then a pair of upper and lower electrodes having a groove 4a having substantially the same cross-sectional shape as the linear base material 3a as shown in FIG. 4A is formed. 4 and 4', the tape-shaped contact material 3c was bonded and covered by resistance welding to the outer peripheral surface of the linear base material 3a other than the joint surface 3b with the terminal plate, etc., as shown in FIG. 5A. A composite electrical contact material 3 having a contact material 3c having a substantially uniform thickness was obtained.
実施例 ２
第３図Ｂに示すような上面幅0.3mm、下面幅0.5
mm、厚さ0.3mmの断面台形のCu−Ni30w／ｏより
成る線状台材３a′の上面３d′に、幅1.0mm、厚さ
0.05mmのAg−Ni15w／ｏより成るテープ状接点材
３ｃを熱間圧接により接合し、然る後第４図Ｂに
示すような前記線状台材３a′の断面形状と略同形
の溝５ａを有する上下一対のロール５，５′によ
り前記テープ状接点材３c′を前記線状台材３a′の
端子板等との接合面３b′以外の外周面に熱間圧接
により接合して被覆したところ、第５図Ｂに示す
ような均一な厚さの接点材３c′を有する複合電気
接点材３′が得られた。Example 2 Upper surface width 0.3 mm and lower surface width 0.5 as shown in Figure 3B.
A wire base material 3a' made of Cu-Ni30w/o having a trapezoidal cross section with a width of 1.0mm and a thickness of 1.0mm and a thickness of
A tape-shaped contact material 3c made of 0.05 mm Ag-Ni 15w/o is joined by hot pressure welding, and then a groove 5a having approximately the same cross-sectional shape as the linear base material 3a' as shown in FIG. 4B is formed. The tape-shaped contact material 3c' was bonded and covered by hot pressure welding to the outer peripheral surface of the linear base material 3a' other than the joint surface 3b' with the terminal plate etc. using a pair of upper and lower rolls 5, 5' having As a result, a composite electrical contact material 3' having a contact material 3c' of uniform thickness as shown in FIG. 5B was obtained.
この複合電気接点材３′はその後ダイス（図示
せず）にて所望寸法に仕上げ成形した。 This composite electrical contact material 3' was then finished molded into desired dimensions using a die (not shown).
以上の説明で判るように本発明の複合電気接点
材の製造方法によれば、従来卑金属より成る台材
の端子板との接合面を除く外周面に貴金属より成
る接点材を接合被覆できなかつた技術的問題が解
決され、また端子板との接合面までも貴金属より
成る接点材で被覆していた経済的無駄が解消さ
れ、さらに端子板との接合強度の向上を図ること
ができて、卑金属又は卑金属合金より成る線状台
材の端子板との接合面を除く外周面に略均一な厚
さの貴金属又は貴金属合金より成る接点材を有す
る複合電気接点材を容易に製造できるという優れ
た効果がある。 As can be seen from the above explanation, according to the method for manufacturing a composite electrical contact material of the present invention, it has not been possible to bond and coat the contact material made of a noble metal on the outer circumferential surface of the base material made of a base metal except for the joint surface with the terminal board. This solves the technical problem, eliminates the economic waste of covering the joint surface with the terminal board with a contact material made of precious metal, and also improves the strength of the joint with the terminal board. Or, an excellent effect that it is possible to easily manufacture a composite electrical contact material having a contact material made of a noble metal or a noble metal alloy having a substantially uniform thickness on the outer peripheral surface of a linear base material made of a base metal alloy, excluding the joint surface with the terminal plate. There is.
第１図Ａ，Ｂは夫々従来要望されていた複合電
気接点材の断面図、第２図Ａ，Ｂは夫々従来製造
されてきた複合電気接点材の断面図、第３図Ａ，
Ｂは夫々本発明の製造方法の第１工程を示す断面
図、第４図Ａ，Ｂは夫々本発明の製造方法の第２
工程に於いて使用する電極及びロールを示す断面
図、第５図Ａ，Ｂは夫々本発明の製造方法によつ
て得られた複合電気接点材の断面図である。
１，１′，２，２′，３，３′……複合電気接点
材、１ａ，１a′，２ａ，２a′３ａ，３a′……台
材、１ｂ，１b′，２b′，３ｂ，３b′……端子板等
との接合面、１ｃ，１c′，２ｃ，２c′，３ｃ，３
c′……接点材、３ｄ……頂点、３d′……上面、
４，４′……電極、５，５′……ロール、４ａ，５
ａ……溝。
Figures 1A and B are cross-sectional views of conventionally desired composite electrical contact materials, Figures 2 A and B are cross-sectional views of conventionally manufactured composite electrical contact materials, and Figures 3A and
B is a sectional view showing the first step of the manufacturing method of the present invention, and FIGS. 4A and 4B are sectional views of the second step of the manufacturing method of the present invention, respectively
FIGS. 5A and 5B are cross-sectional views showing electrodes and rolls used in the process, and FIGS. 5A and 5B are cross-sectional views of composite electrical contact materials obtained by the manufacturing method of the present invention, respectively. 1, 1', 2, 2', 3, 3'...Composite electrical contact material, 1a, 1a', 2a, 2a'3a, 3a'...Base material, 1b, 1b', 2b', 3b, 3b '...Joining surface with terminal board etc., 1c, 1c', 2c, 2c', 3c, 3
c'...Contact material, 3d...Vertex, 3d'...Top surface,
4, 4'... Electrode, 5, 5'... Roll, 4a, 5
a... Groove.
Claims (1)
貴金属合金より成るテープ状接点材の中間部を接
合し、然る後線状台材の断面形状と略同形の溝を
有する電極又はロールにより前記テープ状接点材
を前記線状台材の端子板等との接合面以外の外周
面に接合して被覆することを特徴とする複合電気
接点材の製造方法。1. The middle part of a tape-shaped contact material made of a noble metal or a noble metal alloy is joined to the top of a linear base material made of a base metal, and then the above-mentioned A method for manufacturing a composite electrical contact material, characterized in that a tape-shaped contact material is bonded to and coated on the outer circumferential surface of the linear base material other than the surface to be bonded to the terminal plate or the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2243779A JPS55115220A (en) | 1979-02-27 | 1979-02-27 | Method of manufacturing composite electric contact material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2243779A JPS55115220A (en) | 1979-02-27 | 1979-02-27 | Method of manufacturing composite electric contact material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55115220A JPS55115220A (en) | 1980-09-05 |
| JPS6161210B2 true JPS6161210B2 (en) | 1986-12-24 |
Family
ID=12082667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2243779A Granted JPS55115220A (en) | 1979-02-27 | 1979-02-27 | Method of manufacturing composite electric contact material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55115220A (en) |
-
1979
- 1979-02-27 JP JP2243779A patent/JPS55115220A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55115220A (en) | 1980-09-05 |
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