KR20080086962A - Manufacturing methed of knuckle having an eccentric - Google Patents

Manufacturing methed of knuckle having an eccentric Download PDF

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Publication number
KR20080086962A
KR20080086962A KR1020070121190A KR20070121190A KR20080086962A KR 20080086962 A KR20080086962 A KR 20080086962A KR 1020070121190 A KR1020070121190 A KR 1020070121190A KR 20070121190 A KR20070121190 A KR 20070121190A KR 20080086962 A KR20080086962 A KR 20080086962A
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South Korea
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knuckle
product
eccentric
manufacturing
cone
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KR1020070121190A
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Korean (ko)
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KR100931838B1 (en
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김용우
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김용우
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Priority to KR1020070121190A priority Critical patent/KR100931838B1/en
Publication of KR20080086962A publication Critical patent/KR20080086962A/en
Priority to PCT/KR2008/006916 priority patent/WO2009069920A2/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/14—Spinning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/02—Making hollow objects characterised by the structure of the objects
    • B21D51/10—Making hollow objects characterised by the structure of the objects conically or cylindrically shaped objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/04—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of sheet metal

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

A manufacturing method of an eccentric cone having a knuckle is provided to ensure safety of the product by producing a product with sufficient resistance to stress due to internal pressure, and secure reliability of the product and substantially reduce raw materials, manufacturing costs and manufacturing time by enabling a workpiece with a thickness of 50 mm to be manufactured into the product. A manufacturing method of an eccentric cone having a knuckle comprises: a marking and cutting process of equally dividing a part(30) that forms the eccentric cone having the knuckle, marking the equally divided parts on a workpiece(20), and cutting the marked parts; a process of bending or folding the respective cut parts using a bending roller or a hydraulic press; a process of welding and joining the bent or folded parts to manufacture an eccentric cone; a process of eccentrically installing a bottom part of the completed product(40) on a rotary table(70) of a forming machine; a process of forming an upper knuckle with an eccentric shape in the product using inner and outer hydraulic rollers(50,60); a process of eccentrically installing and fixing a top part of the product on the rotary table of the forming machine; and a process of forming a lower knuckle with an eccentric shape in the product using the inner and outer hydraulic rollers.

Description

너클이 있는 편심 콘의 제조공법{manufacturing methed of knuckle having an eccentric}Manufacturing methed of knuckle having an eccentric}

본 발명은 너클이 있는 편심 콘의 제조공법에 관한 것으로서, 더욱 상세하게는, 열교환기에 사용되는 너클이 있는 편심 콘을 제작함에 있어서, 상온에서 편심형상으로 성형함으로써 물리적 특성을 변화시키지 않으므로 내압에 의한 응력에 충분한 안전성이 보장될 뿐만 아니라 자재 절감, 제조비용 절감과 더불어 제조 시간을 대폭 줄일 수 있도록 한 너클이 있는 편심 콘 제조공법에 관한 것이다.The present invention relates to a manufacturing method of eccentric cones with knuckles, and more particularly, in the manufacture of eccentric cones with knuckles used for heat exchangers, by forming in an eccentric shape at room temperature, the physical properties are not changed by internal pressure. The present invention relates to an eccentric cone manufacturing method with knuckles that not only ensures sufficient safety against stress, but also significantly reduces manufacturing time as well as material savings and manufacturing costs.

도 1 은 종래 너클이 있는 편심 콘의 제조공정을 순차적으로 나타낸 공정도에 관한 것으로서, 종래의 너클이 있는 편심 콘 제조공정은 원자재에 마킹하여 마킹된 부분을 절단하는 마킹 및 절단공정(S100)과; 절단된 각 부품을 벤딩롤러나 유압프레스를 이용하여 벤딩 또는 절곡하는 공정(S110)과; 벤딩 또는 절곡된 것을 용접하여 접합하는 공정(S120)과; 완료된 제품의 상부를 편심 성형하는 공정(S130)과; 하부를 편심 성형하는 공정(S140)을 거쳐 완성하는 방법이다.1 is a process diagram sequentially showing a manufacturing process of the conventional knuckle eccentric cone, the conventional knuckle eccentric cone manufacturing process is a marking and cutting process (S100) for cutting the marked portion by marking on the raw material; Bending or bending each cut part by using a bending roller or a hydraulic press (S110); Welding and bending the bent or bent one (S120); Eccentric molding of the top of the finished product (S130); It is a method completed through the step (S140) of forming the eccentric lower portion.

그런데 상기와 같은 종래의 너클이 있는 편심 콘의 제조공법은 매번 상부, 하부 금형을 제작, 유압프레스를 이용하여 제조하기 때문에 금형 자재비, 금형제작 비 과다와 금형 제작기간이 많이 소요되는 단점이 있어 전체적으로 제품 단가의 상승을 초래하는 문제점이 있었다.By the way, the conventional manufacturing method of the eccentric cone with knuckles as described above has the disadvantage that it takes a lot of mold material cost, mold production cost and mold production period because the upper and lower molds are manufactured by using a hydraulic press. There was a problem that caused the price rise of the product.

따라서 본 발명은 상기와 같은 종래의 문제점을 해결하기 위하여, 상온에서 편심형상으로 성형 함으로써 물리적 특성의 변화가 없으므로 내압에 의한 응력에 충분하여 제품의 안전성이 보장될 수 있으며 원자재 두께 50mm까지도 작업이 가능하여 제품의 신뢰성을 확보할 수 있음과 아울러 자재절감, 제조비용 절감과 더불어 제조 시간을 대폭 줄일 수 있도록 한 너클이 있는 편심 콘 제조공법을 제공하는 것이다.Therefore, in order to solve the above-mentioned problems, the present invention is formed in an eccentric shape at room temperature, so that there is no change in physical properties, and thus, the product may be secured by sufficient stress due to internal pressure, and work up to 50 mm in thickness may be possible. It is to provide an eccentric cone manufacturing method with knuckles, which can secure product reliability, reduce materials, reduce manufacturing costs, and significantly reduce manufacturing time.

상기 목적은 본 발명에 따라 너클이 있는 편심 콘의 제조공법에 있어서, 상기 너클이 있는 편심 콘을 형성하는 부품의 형상 360도 원형을 등분하여 원자재에 마킹 후 마킹된 부분을 절단하는 마킹 및 절단공정과; 절단된 각 부품을 벤딩롤러나 유압프레스를 이용하여 벤딩 또는 절곡하는 공정과; 벤딩 또는 절곡된 것을 용접하여 접합, 편심 콘을 제작하는 공정과; 완료된 제품의 하부를 성형기 회전 테이블에 편심 설치하는 공정과; 내 외측 유압롤러를 사용하여 상부 너클을 편심형상으로 성형하는 공정과; 상부를 성형기 회전 테이블에 편심설치 고정하는 공정과; 내 외측 유압롤러를 사용하여 하부 너클을 편심형상으로 성형하는 공정을 특징으로 하는 너클이 있는 편심 콘의 제조공법에 의해 달성된다. In the manufacturing method of the eccentric cone with knuckle according to the present invention, the marking and cutting process of cutting the marked portion after marking the raw material by dividing the shape of the parts forming the eccentric cone with the knuckle equally 360 degrees and; Bending or bending each cut part by using a bending roller or a hydraulic press; Welding the bent or bent to produce a bonded or eccentric cone; Eccentrically installing the lower part of the finished product on the molding machine rotary table; Molding the upper knuckle into an eccentric shape using an inner outer hydraulic roller; Eccentrically installing and fixing the upper part to a molding machine rotating table; It is achieved by a process for producing a knuckle eccentric cone characterized in that the lower knuckle is formed into an eccentric shape using an inner and outer hydraulic roller.

이상에서 설명한 바와 같이, 본 발명에 따른 너클이 있는 편심 콘은 상온에서 편심형상으로 성형 함으로써, 물리적 특성의 변화가 없으므로 내압에 의한 응력에 충분하여 제품의 안전성이 보장될 수 있으며 원자재 두께 50mm까지도 작업이 가능하여 제품의 신뢰성을 확보할 수 있음과 아울러 자재절감, 제조비용 절감과 더불어 제조 시간을 대폭 줄일 수 있는 효과가 있다.As described above, the eccentric cone with a knuckle according to the present invention is formed in an eccentric shape at room temperature, so that there is no change in physical properties, so it is sufficient for stress due to internal pressure, and thus the safety of the product can be ensured, and even the raw material thickness up to 50 mm In this way, it is possible to secure the reliability of the product, and to save material, reduce manufacturing costs, and significantly reduce manufacturing time.

이하에서는 첨부된 도면을 참조하여 본 발명에 대하여 상세히 설명한다. Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the present invention.

도 2 는 본 발명에 따른 너클이 있는 편심 콘의 제조공정을 순차적으로 나타낸 공정도에 관한 것으로서, 이들 도면에서 볼 수 있는 바와 같이, 본 발명에 따른 너클이 있는 편심 콘의 제조공법은 너클 이 있는 편심 콘(10)의 사용 용도에 따라 원자재(20) 두께 50mm까지 작업이 가능하다.Figure 2 relates to a process diagram sequentially showing a manufacturing process of the knuckle eccentric cone according to the present invention, as can be seen in these figures, the manufacturing method of the knuckle eccentric cone according to the present invention is an eccentric with a knuckle Depending on the use of the cone 10, the raw material 20 can be up to 50 mm thick.

너클이 있는 편심 콘(10)을 형성하기 위하여 원자재(20)에 부품(30)의 형상 360도 원형을 등분하여 마킹한 후 마킹된 부분을 절단하는 마킹 및 절단공정(S10)을 거친다. 이어서 절단된 각 부품(30)을 벤딩롤러 또는 유압프레스(도시치 않음)로 벤딩 또는 절곡하는 공정(S20)을 거친다In order to form the eccentric cone 10 with knuckles, the raw material 20 is marked by dividing the shape 360 degrees of the part 30 into equal parts and then undergoes the marking and cutting process S10 of cutting the marked portion. Subsequently, each of the cut parts 30 is bent or bent with a bending roller or a hydraulic press (not shown) (S20).

그리고 벤딩 또는 절곡된 부품(30)의 양측 단부를 이음 용접하는 것으로서 콘 형상으로 형성하는 용접공정(S30)을 거친다. 이후 콘 형상으로 형성된 제품(40)의 하부를 성형기 회전 테이블에 편심설치 고정하는 공정(S40)을 거친 후 내 외측 유압롤러를 사용하여 상부 너클 편심형상으로 성형하는 공정(S50)을 거치는데, 이 때 작업자가 제품(40)에 열을 가할 때 원재료의 물리적 특성을 감안하여 두께가 얇은 원자재는 상온에서 형상 성형하고 두께가 두꺼운 원자재는 프로판가스로 토치가열 또는 전기가열을 통해 제품(40)을 가열함과 아울러 제품을 서서히 회전시키면서 형상 성형함으로써 제품(40)의 형상 성형작업을 쉽게 할 수 있다.Then, both ends of the bent or bent part 30 are welded to each other to undergo a welding step S30 of forming a cone shape. After going through the step (S40) to eccentrically install and fix the lower portion of the product 40 formed in the cone shape on the molding machine rotary table (S50) through the process of forming into an upper knuckle eccentric shape using the inner and outer hydraulic roller, When the worker heats the product 40, in consideration of the physical properties of the raw material, the thin raw material is shape-molded at room temperature, and the thick raw material is heated by torch heating or electric heating with propane gas. In addition, by shaping the product while rotating the product, it is possible to easily shape the work of the product 40.

이어서 하부 너클 편심 형상성형을 하기 위해 제품(40)의 상부를 성형기 회전 테이블에 편심 설치 고정하는 공정(S60)을 거친 후 내 외측 유압롤러를 사용하여 하부 너클 편심형상으로 성형하는 공정(S70)을 거치는데 이때 작업자가 제품(40)에 열을 가할 때 원재료의 물리적 특성을 감안하여 두께가 얇은 원자재는 상온에서 형상성형하고 두께가 두꺼운 원자재는 프로판가스로 토치가열 또는 전기가열을 통해 제품(40)을 가열함과 아울러 제품을 서서히 회전시키면서 형상 성형함으로써 제품(40)의 형상 성형 작업을 쉽게 할 수 있다. Subsequently, in order to perform the lower knuckle eccentric shaping, a step (S60) of eccentrically installing and fixing the upper part of the product 40 to the molding machine rotation table is performed, and then forming the lower knuckle eccentric shape using the inner and outer hydraulic rollers (S70). In this case, when the worker heats the product 40, the raw material is formed at room temperature in consideration of the physical properties of the raw material, and the raw material is formed by propane gas using torch heating or electric heating. The shape molding operation of the product 40 can be easily performed by heating the product and shape forming the product while gradually rotating the product.

이상에서와 같은 제조공법에 의해서 종래와 달리 금형을 매번 제작하지 않기 때문에 경제성이 있으며 자재 절감, 제조비용 절감과 더불어 제조 시간을 대폭 줄일 수 있다.Unlike the conventional manufacturing method as described above, since the mold is not produced every time, it is economical, and the manufacturing time can be drastically reduced along with material saving and manufacturing cost.

도 1 은 종래 너클이 있는 편심 콘의 제조공정을 순차적으로 나타낸 공정도,1 is a process diagram sequentially showing a manufacturing process of an eccentric cone having a conventional knuckle,

도 2 는 본 발명에 따른 너클이 있는 편심 콘의 제조공정을 순차적으로 나타낸 공정도,2 is a process diagram sequentially showing a manufacturing process of the eccentric cone with a knuckle according to the present invention;

도 3 은 도 2 의 공정에 따라 완성된 너클이 있는 편심 콘의 단면도이다.3 is a cross-sectional view of an eccentric cone with knuckles completed according to the process of FIG.

- 도면 중 주요 부분에 대한 부호의 설명 --Description of the symbols for the main parts of the drawings-

10 : 너클이 있는 편심 콘 20 : 원재료10: eccentric cone with knuckle 20: raw materials

30 : 부품 40 : 제품30: Part 40: Product

50 : 내측 유압롤러 60 : 외측 유압롤러50: inner hydraulic roller 60: outer hydraulic roller

70 : 성형기 회전 테이블 70: molding machine rotating table

Claims (1)

너클이 있는 편심 콘의 제조공법에 있어서,In the manufacturing method of the eccentric cone with a knuckle, 상기 너클이 있는 편심 콘을 형성하는 부품의 형상 360도 원형을 등분하여 원자재에 마킹 후 마킹된 부분을 절단하는 마킹 및 절단공정과; A marking and cutting process of cutting the marked portion after marking the raw material by dividing the circular shape 360 degrees of the part forming the eccentric cone with knuckle; 절단된 각 부품을 벤딩롤러나 유압프레스를 이용하여 벤딩 또는 절곡하는 공정과; Bending or bending each cut part by using a bending roller or a hydraulic press; 벤딩 또는 절곡된 것을 용접하여 접합, 편심 콘을 제작하는 공정과; Welding the bent or bent to produce a bonded or eccentric cone; 완료된 제품의 하부를 성형기 회전 테이블에 편심 설치하는 공정과; Eccentrically installing the lower part of the finished product on the molding machine rotary table; 내 외측 유압롤러를 사용하여 상부 너클을 편심형상으로 성형하는 공정과; Molding the upper knuckle into an eccentric shape using an inner outer hydraulic roller; 상부를 성형기 회전 테이블에 편심설치 고정하는 공정과; Eccentrically installing and fixing the upper part to a molding machine rotating table; 내 외측 유압롤러를 사용하여 하부 너클을 편심형상으로 성형하는 공정을 특징으로 하는 너클이 있는 편심 콘의 제조공법. A method of manufacturing an eccentric cone with a knuckle, characterized by forming the lower knuckle into an eccentric shape using an inner and outer hydraulic roller.
KR1020070121190A 2007-11-27 2007-11-27 Manufacturing method of eccentric cone with knuckle KR100931838B1 (en)

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PCT/KR2008/006916 WO2009069920A2 (en) 2007-11-27 2008-11-24 Manufacturing method of eccentric cone with knuckle

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KR100931838B1 KR100931838B1 (en) 2009-12-15

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KR101144002B1 (en) * 2009-12-29 2012-05-09 한국항공우주연구원 Fabrication Method of Outer Jacket of Combustion Chamber Nozzle for Liquid Rocket Engine Using Sheet Metal
CN113523713A (en) * 2021-05-28 2021-10-22 常州旷达威德机械有限公司 Method for processing eccentric cone
CN115890170A (en) * 2023-03-08 2023-04-04 贵州航宇科技发展股份有限公司 Eccentric conical tube machining method

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JP2957154B2 (en) * 1997-11-18 1999-10-04 株式会社三五 Pipe end forming method and apparatus
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Cited By (4)

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Publication number Priority date Publication date Assignee Title
KR101144002B1 (en) * 2009-12-29 2012-05-09 한국항공우주연구원 Fabrication Method of Outer Jacket of Combustion Chamber Nozzle for Liquid Rocket Engine Using Sheet Metal
KR101050388B1 (en) * 2010-11-19 2011-07-19 주식회사 오옴사 Manufacturing method of street lamp post and the same thereby
CN113523713A (en) * 2021-05-28 2021-10-22 常州旷达威德机械有限公司 Method for processing eccentric cone
CN115890170A (en) * 2023-03-08 2023-04-04 贵州航宇科技发展股份有限公司 Eccentric conical tube machining method

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