JPH0215970B2 - - Google Patents
Info
- Publication number
- JPH0215970B2 JPH0215970B2 JP56155791A JP15579181A JPH0215970B2 JP H0215970 B2 JPH0215970 B2 JP H0215970B2 JP 56155791 A JP56155791 A JP 56155791A JP 15579181 A JP15579181 A JP 15579181A JP H0215970 B2 JPH0215970 B2 JP H0215970B2
- Authority
- JP
- Japan
- Prior art keywords
- rivet
- contact
- contact material
- type composite
- mold
- 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 - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 51
- 239000002131 composite material Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 239000010439 graphite Substances 0.000 claims description 10
- 229910002804 graphite Inorganic materials 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 229910044991 metal oxide Inorganic materials 0.000 claims description 5
- 150000004706 metal oxides Chemical class 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910052797 bismuth Inorganic materials 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 238000005219 brazing Methods 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229910052738 indium Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 239000011812 mixed powder Substances 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 229910052793 cadmium Inorganic materials 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Description
【発明の詳細な説明】
本発明は、加工性の困難な材料、例えばAg−
WC、Ag−CdO、Ag−SnO、Ag−CdO−NiO、
Ag−SnO−InO等のようなヘツダー加工により
割れを生じ易い材料の接点材を用いてかしめ可能
なリベツト型複合電気接点の製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention can be applied to materials that are difficult to process, such as Ag-
WC, Ag−CdO, Ag−SnO, Ag−CdO−NiO,
The present invention relates to a method for manufacturing a rivet-type composite electrical contact that can be caulked using a contact material made of a material that is easily cracked by header processing, such as Ag-SnO-InO.
周知の如く電気接点に要求される特性として耐
消耗、耐溶着、接触抵抗の安定等がある。通常機
械的、電気的消耗を改善する為には硬い材料が要
求され、又溶着を改善する為に、金属酸化物を導
電性の良いAg中に分散させている。 As is well known, characteristics required of electrical contacts include wear resistance, welding resistance, and stability of contact resistance. Generally, hard materials are required to improve mechanical and electrical consumption, and metal oxides are dispersed in highly conductive Ag to improve welding.
しかし、硬い材料は軟かい材料に比べて一般に
塑性加工性が悪く、又金属酸化物を高濃度に分散
させた材料は更に加工性が悪く、体積％で20％を
超える濃度で金属酸化物を分散させた材料はヘツ
ダー加工により割れが発生し易くなる為、一般に
は使用されなかつた。 However, hard materials generally have poor plastic workability compared to soft materials, and materials in which metal oxides are dispersed at high concentrations have even worse workability. Dispersed materials were not generally used because they tended to crack during header processing.
本発明は前記諸事情に鑑みなされたもので、接
点材の下面にリベツト脚部をベース材としてろう
付けしてリベツト型複合電気接点を製造するに於
いて、Ag粉末を母材としこれにCd、Sn、In、
Mn、Mg、Ni、Nn、Cu、Bi、Feのいずれかの
金属酸化物粉末又はMo、Ｗ、Ti、Ni、Ｂ、Ca、
Ｃの単体粉末若しくはその化合物粉末を体積比で
20％以上含有する混合粉末を、下型内凹部に充填
し、上型にて加工成形し、次に黒鉛型の多数孔内
に嵌入整列させて焼結し、次いで圧縮し形状を整
え、次に再び黒鉛型の多数孔内に嵌入整列させて
焼結し、リベツト頭部と略同等の大きさに成形
し、接点材とし然る後この接点材の下面に塑性加
工性の良い材料より成るリベツト脚部をベース材
としてろう付けすることを特徴とする難加工性接
点材を有するリベツト型複合電気接点の製造方法
を提供せんとするものである。 The present invention has been made in view of the above circumstances, and in manufacturing a rivet-type composite electrical contact by brazing the rivet legs as a base material to the lower surface of the contact material, Ag powder is used as the base material and Cd. ,Sn,In,
Metal oxide powder of Mn, Mg, Ni, Nn, Cu, Bi, Fe or Mo, W, Ti, Ni, B, Ca,
Single powder of C or its compound powder in volume ratio
A mixed powder containing 20% or more is filled into the recess in the lower mold, processed and formed in the upper mold, then inserted into the multiple holes of the graphite mold, aligned and sintered, and then compressed to adjust the shape. Then, they are inserted again into the multiple holes of the graphite mold, aligned and sintered, and formed into a size approximately the same as the rivet head. After being used as a contact material, the lower surface of this contact material is made of a material with good plastic workability. It is an object of the present invention to provide a method for manufacturing a rivet-type composite electrical contact having a difficult-to-process contact material, which is characterized by brazing the rivet legs as a base material.
以下本発明による難加工性接点材を有するリベ
ツト型複合電気接点の製造方法の実施例を詳細に
説明する。 Embodiments of the method for manufacturing a rivet-type composite electrical contact having a difficult-to-process contact material according to the present invention will be described in detail below.
（実施例）
第１図ａに示す如く下型１内に、Ag粉末に黒
鉛の粉末を25体積％を混合した粉末を充填し、上
型２にて加圧成形して第１図ｂに示す如く直径３
mm、厚さ0.7mmのデイスク状の接点材３を作り、
次にこの接点材３を第１図ｃに示す黒鉛型４の多
数の孔５内に嵌入整列させて焼結し、次いで第１
図ｄに示す如く圧縮して接点材３の形状を整え、
次に再び第１図ｅに示す如き別の黒鉛型４′の多
数の孔５内に嵌入整列させて焼結し、リベツト頭
部と略同等の大きさの直径3.1mm、厚さ0.65mmの
接点材３′を作り、然る後第１図ｆに示す如く黒
鉛型４′の孔５の下側の細い孔６内に、予め上端
にAgろう７を溶着して銅より成る直径1.5mm、高
さ３mmのリベツト脚部のベース材８を挿入し、黒
鉛板９にて支持された炉中に入れ、リベツト頭部
の接点材３′とリベツト脚部のベース材８をAgろ
う７にてろう付けして第１図ｇに示す如くリベツ
ト型複合電気接点１０を作り、最後に第１図ｈに
示す如く接点材３′の接触面３′ａを仕上げ成形し
て難加工性接点材を有するリベツト型複合電気接
点１０を完成する。(Example) As shown in Fig. 1a, a mixture of Ag powder and graphite powder of 25% by volume was filled into the lower mold 1, and the mixture was press-molded with the upper mold 2, as shown in Fig. 1b. Diameter 3 as shown
Make a disc-shaped contact material 3 with a thickness of 0.7 mm and a thickness of 0.7 mm.
Next, this contact material 3 is fitted into the many holes 5 of the graphite mold 4 shown in FIG. 1c and sintered.
Adjust the shape of the contact material 3 by compressing it as shown in Figure d,
Next, the graphite mold 4' as shown in FIG. A contact material 3' is made, and then, as shown in Fig. 1f, an Ag solder 7 is welded to the upper end of the thin hole 6 on the lower side of the hole 5 of the graphite mold 4', and is made of copper with a diameter of 1.5 mm. The base material 8 of the rivet leg with a height of 3 mm is inserted and placed in a furnace supported by a graphite plate 9, and the contact material 3' of the rivet head and the base material 8 of the rivet leg are bonded to the Ag solder 7. The rivet-type composite electric contact 10 is made by soldering as shown in Fig. 1g, and finally the contact surface 3'a of the contact material 3' is finished formed as shown in Fig. 1h to form a difficult-to-process contact material. A rivet type composite electrical contact 10 having the following is completed.
尚、本発明の難加工性接点材を有するリベツト
型複合電気接点の製造方法により作るリベツト型
複合電気接点に於ける接点材は、上記実施例の難
加工性材料に限るものではなく、Ag粉末を母材
としてこれにCd、Sn、In、Mn、Mg、Ni、Zn、
Cu、Bi、Feのいずれかの金属酸化物又はMo、
Ｗ、Ti、Ni、Ｂ、Ca、Ｃの単体粉末若しくはそ
の化合物粉末を体積比で20％以上含有する難加工
性材料全てを指すものである。 In addition, the contact material in the rivet type composite electrical contact produced by the method of manufacturing a rivet type composite electrical contact having a difficult-to-process contact material of the present invention is not limited to the difficult-to-process material of the above embodiment, but may also be Ag powder. Cd, Sn, In, Mn, Mg, Ni, Zn,
Metal oxide of Cu, Bi, Fe or Mo,
It refers to all difficult-to-process materials containing 20% or more by volume of W, Ti, Ni, B, Ca, and C single powders or their compound powders.
以上の説明で判るように本発明の難加工性接点
材を有するリベツト型複合電気接点の製造方法
は、混合粉末の難加工性材料を予めリベツト頭部
と略同等の大きさに熱処理加工を施して成形し、
然る後この接点材の下面に塑性加工性の良い材料
より成るリベツト脚部のベース材をろう付けする
のであるから、従来のようにヘツダー加工する必
要がなく、接点材は最終の接触面を平滑にする仕
上げ成形だけとするので割れが全く生せず、品質
良好な、また塑性加工性の良い材料をリベツト脚
部として用いる為、かしめ加工も容易に可能な難
加工性接点材を有するリベツト型複合電気接点を
得ることができる。 As can be seen from the above explanation, the method for manufacturing a rivet-type composite electrical contact having a difficult-to-work contact material according to the present invention involves heat-treating the difficult-to-work material in the form of a mixed powder in advance to a size approximately equal to the rivet head. mold it,
Since the base material of the rivet leg made of a material with good plastic workability is then brazed to the lower surface of this contact material, there is no need to perform header processing as in the conventional method, and the contact material forms the final contact surface. Rivets with difficult-to-work contact materials that can be easily caulked because only smooth finishing molding is required, so no cracks occur, and materials of good quality and good plastic workability are used for the rivet legs. Type composite electrical contacts can be obtained.
また本発明の製造方法では、予め難加工性材料
の接点材を熱処理加工を施して成形するので、接
点材の内部組織に於ける酸化物の分散が微細化し
ていて、接点材の接触抵抗が安定し、消耗が著し
く減少すると共に均一になる。 In addition, in the manufacturing method of the present invention, the contact material made of a difficult-to-process material is heat-treated and molded in advance, so that the oxides in the internal structure of the contact material are finely dispersed, and the contact resistance of the contact material is reduced. Stable, with significantly reduced wear and tear and uniformity.
第１図ａ乃至ｈは本発明のリベツト型複合電気
接点の製造方法の一実施例の工程を示す図であ
る。
１……下型、２……上型、３，３′……接点材、
３′ａ……接触面、４，４′……黒鉛型、５……
孔、６……細い孔、７……Agろう、８……ベー
ス材、９……黒鉛板、１０……リベツト型複合電
気接点。
FIGS. 1a to 1h are diagrams showing the steps of an embodiment of the method for manufacturing a rivet type composite electrical contact of the present invention. 1...lower mold, 2...upper mold, 3,3'...contact material,
3'a...Contact surface, 4,4'...Graphite type, 5...
Hole, 6... Thin hole, 7... Ag solder, 8... Base material, 9... Graphite plate, 10... Rivet type composite electrical contact.
Claims (1)
てろう付けしてリベツト型複合電気接点を製造す
るに於いて、Ag粉末を母材としこれにCd、Sn、
In、Mn、Mg、Ni、Zn、Cu、Bi、Feのいずれか
の金属酸化物粉末又はMo、Ｗ、Ti、Ni、Ｂ、
Ca、Ｃの単体粉末若しくはその化合物粉末を体
積比で20％以上含有する混合粉末を、下型内凹部
に充填し、上型にて加圧成形し、次に黒鉛型の多
数孔内に嵌入整列させて焼結し、次いで圧縮し形
状を整え、次に再び黒鉛型の多数孔内に嵌入整列
させて焼結し、リベツト頭部と略同等の大きさに
成形し、接点材とし然る後この接点材の下面に塑
性加工性の良い材料より成るリベツト脚部をベー
ス材としてろう付けすることを特徴とする難加工
性接点材を有するリベツト型複合電気接点の製造
方法。1. In manufacturing a rivet-type composite electric contact by brazing the rivet legs as a base material to the lower surface of the contact material, Ag powder is used as the base material and Cd, Sn,
Metal oxide powder of In, Mn, Mg, Ni, Zn, Cu, Bi, Fe or Mo, W, Ti, Ni, B,
A mixed powder containing at least 20% by volume of Ca and C single powders or their compound powders is filled into the recess in the lower mold, pressure-molded in the upper mold, and then fitted into the multiple holes of the graphite mold. They are aligned and sintered, then compressed to adjust the shape, and then fit into the multiple holes of the graphite mold again, aligned and sintered, and formed into a size approximately equal to the rivet head, and used as a contact material. A method for manufacturing a rivet-type composite electrical contact having a difficult-to-work contact material, characterized in that a rivet leg made of a material with good plastic workability is then brazed to the lower surface of the contact material as a base material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15579181A JPS5873919A (en) | 1981-09-30 | 1981-09-30 | Method of producing rivet type composite electric contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15579181A JPS5873919A (en) | 1981-09-30 | 1981-09-30 | Method of producing rivet type composite electric contact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5873919A JPS5873919A (en) | 1983-05-04 |
| JPH0215970B2 true JPH0215970B2 (en) | 1990-04-13 |
Family
ID=15613505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15579181A Granted JPS5873919A (en) | 1981-09-30 | 1981-09-30 | Method of producing rivet type composite electric contact |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5873919A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5524308A (en) * | 1978-08-07 | 1980-02-21 | Tokyo Shibaura Electric Co | Method of manufacturing contact |
-
1981
- 1981-09-30 JP JP15579181A patent/JPS5873919A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5524308A (en) * | 1978-08-07 | 1980-02-21 | Tokyo Shibaura Electric Co | Method of manufacturing contact |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5873919A (en) | 1983-05-04 |
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