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    • 58. 发明公开
    • 열교환기용 튜브의 제조방법
    • 热交换器管的制造方法
    • KR1020030027610A
    • 2003-04-07
    • KR1020010060974
    • 2001-09-29
    • 한온시스템 주식회사
    • 이준강장길상한인철박창호
    • B21D53/06
    • F28D1/05391F28F1/022B23P15/26B21C23/01B21D28/32B21D43/285
    • PURPOSE: A manufacturing method of tube for heat exchanger is provided to improve productivity by assembling a plural tube rows in a single process in a heat exchanger for carbon dioxide and manufacturing the tube rows easily with an existing facility. CONSTITUTION: The manufacturing method of an integral tube(50) for heat exchanger comprises extrusion step of integrally forming at least two or more tube bodies(52,54) in which a refrigerant pipe is longitudinally formed as a continuous line and a bridge(56) for connecting the tube bodies; drilling step of forming penetration holes(58) on the bridge in a length direction of the bridge with spaced apart from each other in a certain distance; cutting step of cutting the integral tube(50) to a certain length from a part where the penetration holes are formed; and a post-processing step of processing both end parts of the cut integral tube, wherein both end parts of the tube bodies are processed in a shape corresponding to shape of tube holes of header pipes(10,20) for heat exchanger into which the tube bodies are inserted in the post-processing step, and wherein the bridge(56) is thinner than the tube bodies(52,54).
    • 目的:提供一种用于热交换器的管的制造方法以通过在二氧化碳的热交换器中在单个工艺中组装多个管排来提高生产率,并且利用现有的设备容易地制造管排。 构成:用于热交换器的整体管(50)的制造方法包括挤出步骤,整体地形成至少两个或更多个管体(52,54),其中制冷剂管纵向形成为连续线,桥(56 )用于连接管体; 在桥的长度方向上以一定距离彼此间隔开的方式在桥上形成贯通孔(58)的钻孔步骤; 从形成有贯通孔的部分切割整体管(50)至一定长度的切割步骤; 以及后处理步骤,对所述切割的一体管的两端部进行加工,其中所述管体的两端部处理成与热交换器的集管(10,20)的管孔的形状相对应的形状, 在后处理步骤中插入管体,并且其中桥(56)比管体(52,54)薄。