KR20020029575A - Compression terminal manufacturing method for heavy electric aluminum wire using friction welding - Google Patents

Compression terminal manufacturing method for heavy electric aluminum wire using friction welding Download PDF

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Publication number
KR20020029575A
KR20020029575A KR1020000060483A KR20000060483A KR20020029575A KR 20020029575 A KR20020029575 A KR 20020029575A KR 1020000060483 A KR1020000060483 A KR 1020000060483A KR 20000060483 A KR20000060483 A KR 20000060483A KR 20020029575 A KR20020029575 A KR 20020029575A
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KR
South Korea
Prior art keywords
friction welding
aluminum
copper
attached
compression terminal
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KR1020000060483A
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Korean (ko)
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정선일
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정선일
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Priority to KR1020000060483A priority Critical patent/KR20020029575A/en
Publication of KR20020029575A publication Critical patent/KR20020029575A/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

PURPOSE: A method of manufacturing compression terminal types for an aluminum electric wire using a friction welding is provided to apply an aluminum material to a compression terminal to connect the terminal with the aluminum electric wire, and to have equal materials in each connector while connecting a copper plate with a copper power connector, so as to reduce power failure rates caused by electrolytic corrosion. CONSTITUTION: A copper material(3) is attached to one rotative axis(1). An aluminum pipe material(4) is attached to a fixing axis(2) of the other side. The two attached materials(3, 4) are contacted with a friction welding surface(6) by a constant pressure(5). A frictional heat is generated on the friction welding surface(6) to make the surface(6) soft. By firmly compressing with an additional pressure(7) as stopping rotation of the rotative axis(1) suddenly, a strong atom coupling is implemented on the frictional surface.

Description

마찰압접을 이용한 중전기용 알루미늄 전선용 압축단자류 제작방법{.}Method for manufacturing compressed terminals for heavy electric aluminum wire using friction welding

본 발명은 마찰압접을 통한 알루미늄 전선용 압축단자류 제조에 관한 것으로, 종래 기술은 구리소재만을 사용하여 주조 및 형단조의 공법으로 형상을 만들고 외경과 구멍을 가공하는 방법으로 제작하여 사용하고 있다. 주로 주조를 통해 형상을 만드는데 내부에 기공이 발생하기 쉽고, 후가공을 해야만하는 단점이 있어 제조원가 상승요인을 갖고 있다. 또한 알루미늄 전선과 접속되어 사용되는 곳은 대기중에 노출되는 곳이 많고 특히 습기가 많거나 비, 눈 등 주변 기상상태에 따라, 혹은전해물질이 유입되는 량에 따라, 전해부식의 발생 정도가 다르다. 그리고 알루미늄과 구리 소재 자체만의 전위차이로 인한 부식은 자연발생적인 것으로 부착에 의한 접합일 경우 부식률이 더 크다. 또한 비중이 큰 구리소재만을 사용하여 제작함으로 중량이 무거워 취급하기 용이하지 않으며, 압착하는데 큰 힘을 요구하여 시공하기가 힘들다.The present invention relates to the production of compressed terminals for aluminum wires through friction welding, the prior art is made of a method of casting and die forging method using only copper material and manufactured by the method of processing the outer diameter and hole. Porosity is easy to occur inside to form the shape mainly through casting, there is a disadvantage that must be post-processing has a factor of manufacturing cost increase. In addition, the place where it is used in connection with aluminum wire is exposed to the air in many places. Especially, the degree of electrolytic corrosion is different depending on the humid weather, the surrounding weather condition such as rain, snow, or the amount of electrolyte. Corrosion due to the potential difference between aluminum and copper itself is naturally occurring, and the corrosion rate is higher when bonding by attachment. In addition, by using only the copper material with a large specific gravity, the weight is heavy, so it is not easy to handle, and it is difficult to install because it requires a large force to compress.

본 발명은 마찰압접법의 특성을 최대한 활용하여 본 제품의 품질안정과 원가절감을 이루고저 한다. 알루미늄 재료을 압축단자에 적용하여 알루미늄 전선과 접속시키고 구리판을 배전부의 구리 배전 접속부에 연결할 경우 각 접속부의 재료가 동일하게 됨으로 전해부식으로 인한 정전 사고를 줄일수 있다. 또한 알루미늄 재료와 구리 재료사이의 접합부 강도가 압접재료와 동등하거나 그 이상으로 강하여 접합부에서 파단이 일어나지 않고 모재에서 일어난다. 그리고 몇 가지의 작업조건만을 조절함으로서 짧은 시간에 작업이 이루어져 작업능률이 높고, 자동화가 가능하여 재현성이 좋아 제품의 신뢰도가 높으며, 재료간의 마찰면에서 발생되는 열을 최대한 이용함으로 에너지 효율이 높아 전력소비가 적고, 치수 정밀도가 높아 실 제품에 가까운 치수의 소재를 사용할 수 있다. 알루미늄 전선이 접속되는 부분을 기존에 구리 주조봉 상태에서 가공하였으나, 알루미늄 파이프로 대체하여 알루미늄 전선을 삽입시켜 압축, 접속함으로서 기존 제품보다 중량이 약 29.5% 감량할 수 있고, 취급이 용이하고 압축작업이 용이하여 작업성이 개선된다. 또한 재료손실을 줄일 수 있어 자원을 절감할 수 있다.The present invention utilizes the characteristics of the friction welding method to maximize the quality stability and cost reduction of this product. When aluminum material is applied to compression terminal to connect aluminum wire and copper plate is connected to copper distribution connection part of distribution part, the material of each connection part is the same, which can reduce the electrostatic accidents caused by electrolytic corrosion. In addition, the strength of the joint between the aluminum material and the copper material is stronger than or equal to that of the press-contacting material, so that no fracture occurs at the joint and occurs at the base metal. And by adjusting only a few working conditions, the work is done in a short time, so the work efficiency is high, the automation is possible, the reproducibility is good, the reliability of the product is high, and the energy efficiency is high by making the most of the heat generated from friction between materials. Low consumption and high dimensional accuracy make it possible to use materials with dimensions close to actual products. The part where the aluminum wire is connected was previously processed in the state of copper casting rod, but by replacing the aluminum pipe by inserting and compressing the aluminum wire, the weight can be reduced by about 29.5%, and it is easy to handle and the compression work. It is easy to improve workability. In addition, material loss can be reduced, saving resources.

도1은 마찰압접의 기본원리도이다.1 is a basic principle of friction welding.

도2는 본 발명에 의해 완성할 완성품의 부품도이다.2 is a part view of a finished product to be completed according to the present invention.

도3은 본 발명에 의해 제작된 완성품의 형상이다.3 is the shape of the finished product produced by the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

(1) 회 전 축 (2) 고 정 축 (3) 구리 소재(1) rotary shaft (2) fixed shaft (3) copper material

(4) 알루미늄 소재 (5) 일 정 압 력 (6) 추 가 압 력(4) Aluminum material (5) Constant pressure (6) Additional pressure

(7) 마찰 압접면(7) friction welding surface

이하 첨부된 도면을 상세히 설명하면 다음과 같다.Hereinafter, the accompanying drawings will be described in detail.

도1은 마찰압접의 기본원리도이다.1 is a basic principle of friction welding.

(가) 한쪽의 회전축(1)에 구리 소재(3)를 부착하고, 다른 한쪽의 고정축(2)에 접합하고자 하는 알루미늄 파이프 소재(4)를 부착한다.(A) The copper raw material 3 is attached to one rotating shaft 1, and the aluminum pipe raw material 4 to be joined to the other fixed shaft 2 is attached.

(나) 부착된 두 소재를 일정압력(5)으로 마찰압접면(6)을 접촉시킨다.(B) The two materials attached are brought into contact with the friction pressure contact 6 with a constant pressure (5).

(다) 마찰 압접면(6)에 마찰열을 발생시켜 마찰열로 소재의 마찰 압접면(6)을 일정한 수준의 연화상태로 만든다.(C) Friction heat is generated on the friction welding contact surface 6, and the friction welding contact surface 6 of the material is made to a certain level of softening state by friction heat.

(라) 회전축(1)의 회전을 급정지시키면서 추가압력(7)으로 강하게 압착하여 마찰면에서 강한 원자간 결합을 이루는 공법이다.(D) It is a method of forming a strong interatomic bond in the friction surface by pressing strongly with the additional pressure 7 while suddenly stopping the rotation of the rotating shaft 1.

도2는 도1의 방법으로 완성할 부품도이다.2 is a part diagram to be completed by the method of FIG.

도3은 도2의 부품을 사용하여 도1의 방법으로 완성한 완성품을 나타낸다.3 shows a finished product completed by the method of FIG. 1 using the components of FIG.

이상에서 언급한 바와 같이 본 발명은 마찰압접법의 특성을 충분히 활용함으로서 소재를 절감하고도 접합부의 강도를 충분히 확보할 수 있어 고품질의 제품을 균일하게 생산할 수 있다. 중량감소로 취급이 용이하고, 전해부식을 방지하고, 알루미늄 소재룔 사용함으로 구리소재보다 압축작업이 용이하여 작업성이 개선되고, 주조물의 후가공이 없어 공정수가 감소되어 원가절감을 할 수 있다.As mentioned above, the present invention can sufficiently secure the strength of the joint even by reducing the material by fully utilizing the characteristics of the friction welding method, so that it is possible to uniformly produce high quality products. It is easy to handle due to weight reduction, prevents electrolytic corrosion, and by using aluminum material, it is easier to compress work than copper material, and workability is improved, and there is no post-processing of casting, so the number of processes can be reduced and cost can be reduced.

Claims (1)

종래에는 재료간의 전위로 인한 근본적인 전해부식을 원자간의 강한 결합으로 압접시킴으로 내구성을 향상시키고 재료를 절감하며 공정을 감소시켜 원가를 절감하는 마찰압접을 이용한 중전기용 알루미늄 전선용 압축단자류 제작방법Conventionally, a method of manufacturing compressed terminals for heavy electric aluminum wires using friction welding, which improves durability, saves materials, and reduces costs by pressure-bonding fundamental electrolytic corrosion due to strong bonding between atoms due to potential between materials.
KR1020000060483A 2000-10-13 2000-10-13 Compression terminal manufacturing method for heavy electric aluminum wire using friction welding KR20020029575A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010099453A (en) * 2001-09-28 2001-11-09 정선일 Manufacturing method of press rollers for office equipment using friction welding of different metal materials
WO2013098047A1 (en) * 2011-12-30 2013-07-04 Siemens Aktiengesellschaft Connecting device for electrical machines
US11112169B2 (en) 2016-06-09 2021-09-07 Lg Electronics Inc. Smart home controller refrigerator and control method therefor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53120671U (en) * 1977-03-04 1978-09-26
KR930009811U (en) * 1991-10-09 1993-05-26 우림금속공업 주식회사 Electric wire connection sleeve with double metal
KR19990041506U (en) * 1998-05-14 1999-12-15 한성수 Sleeve for heterogeneous wiring

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53120671U (en) * 1977-03-04 1978-09-26
KR930009811U (en) * 1991-10-09 1993-05-26 우림금속공업 주식회사 Electric wire connection sleeve with double metal
KR19990041506U (en) * 1998-05-14 1999-12-15 한성수 Sleeve for heterogeneous wiring

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010099453A (en) * 2001-09-28 2001-11-09 정선일 Manufacturing method of press rollers for office equipment using friction welding of different metal materials
WO2013098047A1 (en) * 2011-12-30 2013-07-04 Siemens Aktiengesellschaft Connecting device for electrical machines
US11112169B2 (en) 2016-06-09 2021-09-07 Lg Electronics Inc. Smart home controller refrigerator and control method therefor

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