会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明公开
    • 아연도금강판의 용접방법
    • 镀锌钢焊接方法
    • KR1020130111748A
    • 2013-10-11
    • KR1020120033866
    • 2012-04-02
    • 주식회사 포스코
    • 김영곤우인수김청하
    • B23K26/20
    • PURPOSE: A galvanized steel sheet welding method is provided to select a proper welding method and to obtain decisive process conditions, thereby suppressing a liquid metal embrittlement phenomenon generated when welding a galvanized steel sheet as it as possible. CONSTITUTION: A galvanized steel sheet welding method includes the following steps of: preparing a target galvanized steel sheet; and welding the galvanized steel sheet with a disc laser. The power of the disc laser is 3-5kW, and the welding speed is 7-15 mpm. The galvanized steel sheet is welded to make a welding heat-affected zone have a width of 0.2 mm or less from a melting boundary line and to make the width of a surface bead to be 0.3-0.8 mm. The galvanized steel sheet is high-manganese steel sheet.
    • 目的:提供镀锌钢板焊接方法来选择适当的焊接方法并获得决定性的工艺条件,从而抑制当镀锌钢板尽可能地焊接时产生的液态金属脆化现象。 构成:镀锌钢板焊接方法包括以下步骤:制备目标镀锌钢板; 并用盘式激光焊接镀锌钢板。 光盘激光功率为3-5kW,焊接速度为7-15mpm。 对镀锌钢板进行焊接,使熔融边界线的宽度为0.2mm以下的焊接热影响区域,使表面焊道的宽度为0.3〜0.8mm。 镀锌钢板为高锰钢板。
    • 5. 发明公开
    • 고강도 오스테나이트계 레이저용접 강관 및 그 제조방법
    • 高强度奥氏体激光焊接钢管及其制造方法
    • KR1020120074636A
    • 2012-07-06
    • KR1020100136535
    • 2010-12-28
    • 주식회사 포스코
    • 우인수
    • C22C38/00C22C38/04
    • C22C38/06C22C38/02C22C38/04F16L9/02
    • PURPOSE: A high-strength austenite steel pipe for the laser welding and a manufacturing method thereof are provided to improve productivity by omitting a thermal process of the welded steel pipe and controlling steel components. CONSTITUTION: A laser welding steel pipe with a weld portion contains less than 1.5wt% C, 5~35wt% Mn, 0.01~3wt% Al, less than 3wt% Si, residual Fe, and inevitable impurities. The nitrogen content of the weld portion is 0.01~0.03wt%. The hardness of the weld portion of the laser welding steel pipe is more than 240Hv. A bead width of the weld portion of the laser welding steel pipe is 0.7~1mm.
    • 目的:提供一种用于激光焊接的高强度奥氏体钢管及其制造方法,其通过省略焊接钢管的热处理和控制钢部件来提高生产率。 构成:焊接部分的激光焊接钢管含有小于1.5重量%的C,5〜35重量%的Mn,0.01〜3重量%的Al,小于3重量%的Si,残留的Fe和不可避免的杂质。 焊接部分的氮含量为0.01〜0.03wt%。 激光焊接钢管的焊接部的硬度超过240Hv。 激光焊接钢管的焊接部的焊道宽度为0.7〜1mm。
    • 7. 发明授权
    • 크롬 프리 표면처리 강판과 페라이트계 스테인리스강의저항 스폿 용접 방법
    • 크롬프리표면처리강판과페라이트계스테인리스강의저항스폿용접방접
    • KR100752125B1
    • 2007-08-27
    • KR1020060071993
    • 2006-07-31
    • 주식회사 포스코
    • 김정길우인수이동렬
    • B23K11/11
    • A method for resistance spot welding of a Cr-free surface treated steel sheet and a ferritic stainless steel is provided to improve the performance of a resistance spot weldment through a condition operating method only without additionally fabricating a particular equipment except a resistance spot welder, or additionally performing a process except an actual welding process. A method for resistance spot welding of a Cr-free surface treated steel sheet and a ferritic stainless steel comprises the steps of: performing a first conduction process of a plurality cycles at a first welding current; performing a stoppage process of a plurality of cycles; and performing a second conduction process of a plurality of cycles at a second welding current higher than the first welding current during the first conduction process. The first and second conduction processes are performed in 7 to 11 cycles. The stoppage process is performed in 5 to 7 cycles. The second conduction process is performed at the second welding current that is 0.5 to 2.5 kA higher than the first welding current. The step comprises the step of performing annealing heat treatment of a nugget part of a resistance spot weldment using resistance heating obtained by performing the second conduction process, and the nugget part has an average hardness of 350 Hv or less.
    • 提供一种无Cr表面处理钢板和铁素体不锈钢的电阻点焊方法,以通过条件操作方法仅提高电阻点焊件的性能,而不额外制造除电阻点焊机以外的特定设备,或者 另外执行除实际焊接工艺之外的工艺。 一种用于无Cr表面处理钢板和铁素体不锈钢的电阻点焊的方法,包括以下步骤:以第一焊接电流执行多个循环的第一导电过程; 执行多个周期的停止处理; 以及在第一导通过程期间以高于第一焊接电流的第二焊接电流执行多个周期的第二导通过程。 第一和第二导电过程在7到11个周期内进行。 停止过程在5到7个周期内完成。 第二导通过程在比第一焊接电流高0.5至2.5kA的第二焊接电流下进行。 该步骤包括使用通过执行第二导电工序获得的电阻加热对电阻点焊件的熔核部分进行退火热处理的步骤,并且熔核部分具有350Hv或更小的平均硬度。
    • 8. 发明授权
    • 전기강판 적층 코어의 용접 방법
    • 电工钢板叠片焊接方法
    • KR100584116B1
    • 2006-05-30
    • KR1020040116303
    • 2004-12-30
    • 주식회사 포스코
    • 우인수이종봉
    • B23K9/16
    • 본 발명은 전기강판을 타발하여 얻어진 코어 강판 다수를 적층 결합시킨 적층 코어의 용접 결합시 절연 코팅층의 유기물 함량에 관계 없이 용접부 기공 형성을 방지할 수 있도록 하는 전기강판 적층 코어의 용접 방법에 관한 것이다.
      본 발명의 용접 방법은, 적층된 코어를 0.6∼3.5MPa의 압력으로 가압하고, 보호 가스로서 5∼15vol%의 수소 가스가 혼합된 아르곤 가스를 공급하면서 용접함에 기술적 특징이 있다.
      본 발명의 용접 방법은, 적정 압력을 부여한 상태에서 수소 가스가 혼합된 보호 가스를 사용함으로써, 용접부의 블로우 홀 형성이 방지되며, 그에 따라 생산성이 향상되는 이점이 있다.
      전기강판, 코어, GTA 용접
    • 本发明涉及多个通过发出其他电磁钢板获得的电工钢叠片铁芯的焊接,以防止焊接气孔的形成,而不管所述绝缘涂层的有机物含量的叠片组合叠片铁芯钢板的焊接接合时的方法。