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    • 4. 发明专利
    • High frequency resistance welding method
    • 高耐电焊法
    • JPS61123478A
    • 1986-06-11
    • JP24272984
    • 1984-11-16
    • Hitachi Zosen CorpJeol Ltd
    • NAKAJIMA HIROYUKITOYOSADA MASAHIROMURAKAMI SHUNZONOHARA KAZUHIROYAMAMOTO MITSUMASAHONDA KAZUHIKO
    • B23K11/08B23K11/06B23K13/02B23K13/04B23K37/00
    • B23K13/02B23K37/003
    • PURPOSE:To execute a good welding by cooling an undeposited part of a packing metal of the vicinity of a pressure roller, and reducing a temperature rise difference of a weld zone and the packing metal, in a device for welding with pressure by a roller the packing metal for the reinforcement of weld, to the weld zone of a material to be welded, and depositing both of them by a high frequency heating. CONSTITUTION:A packing metal 4 for the reinforcement of weld is welded with pressure by a roller 5 to a groove weld zone 3 of materials to be welded 1, 2, and both of them, are deposited by high frequency current heating appa ratuses 10, 13. In that case, a temperature of the packing metal 4 rises quickly by a sectional area difference, a good deposition cannot be executed. In this case, an undeposited part of the packing metal 4 of the vicinity is cooled by jetting and supplying a refrigerant such as a carbon dioxide gas, etc. from a through-hole 8 of the pressure roller 5. In this way, a temperature rise differ ence of both of them is reduced and a good welding is executed, and also the welding efficiency is improved by increasing a high frequency heating current.
    • 目的:通过冷却加压辊附近的填料金属的未沉积部分,并降低焊接区和包装金属的温度上升差异,在通过辊压力进行焊接的装置中进行良好的焊接 用于加固焊接的填充金属,待焊接材料的焊接区域,并通过高频加热将它们沉积。 构成:用于焊接加固的填充金属4通过辊5被压力焊接到要焊接的材料的槽焊接区域1,2,并且它们都被高频电流加热装置10沉积, 在这种情况下,包装金属4的温度快速上升截面积差,不能进行良好的沉积。 在这种情况下,通过从压力辊5的通孔8喷射并供给诸如二氧化碳气体等的制冷剂来冷却附近的填充金属4的未沉积部分。这样, 两者的上升差异减小,并且执行良好的焊接,并且通过增加高频加热电流也提高了焊接效率。
    • 5. 发明专利
    • Manufacture of high toughness electric welded steel pipe
    • 高韧电焊钢管的制造
    • JPS5943827A
    • 1984-03-12
    • JP15422682
    • 1982-09-04
    • Sumitomo Metal Ind Ltd
    • NAKADE HIROSHIKONDOU MASATOSHIGOSHIYO NOBUYUKI
    • B23K11/36B23K13/00B23K13/02C21D9/50
    • B23K13/02
    • PURPOSE:To manufacture an electric welded steel pipe whose weld zone has superior toughness at a low cost in the manufacture of an electric welded steel pipe by electric resistance welding, by heating and cooling the weld zone under specified conditions, and tempering it. CONSTITUTION:An electric welded steel pipe is manufactured by a conventional method. The weld zone of the pipe formed by electric resistance welding is heated to a temp. in the temp. range from the Ac3 transformation point preferably to about a temperature 200 deg.C higher then the Ac3 transformation point, and it is cooled at 15-30 deg.C/sec cooling rate from >=800 deg.C. When the roundness of the pipe is improved with a sizer after the tempering, it is desirable to carry out quenching at
    • 目的:通过电阻焊接制造电焊钢管,通过在规定条件下加热冷却焊接区,并且对其进行回火,制造焊接区以低成本具有优异的韧性的电焊钢管。 构成:通过常规方法制造电焊钢管。 通过电阻焊接形成的管道的焊接区域被加热到温度。 在温度 范围从Ac 3相变点优选至约300℃,高于Ac 3相变点,并且其冷却速度为> 30℃〜30℃。 当回火后用分级机改善管道的圆度时,希望在<= 650℃下进行淬火。
    • 6. 发明专利
    • Method and device for measuring electric power in high- frequency butt seam weld zone
    • 用于测量高频焊缝焊接区域电力的方法和装置
    • JPS5924585A
    • 1984-02-08
    • JP13302982
    • 1982-07-30
    • Kawasaki Steel Corp
    • SAITOU MICHIOYOKOYAMA EIICHI
    • G01R21/00B23K11/24B23K13/02B23K13/08
    • B23K13/02
    • PURPOSE:To determine continuously the instantaneous value of electric power to be applied to a weld zone during welding in an automatic controlling method for welding by the measurement of high frequency current, voltage, etc., by calculating the proportional constant during high-frequency butt seam welding. CONSTITUTION:The primary voltage E1 and current I1 of a current transformer 9 of a high-frequency oscillation circuit are measured and are inputted to a synchroscope 1, the Lissajour's waveform thereof determines the voltage 2V1 in the part cut by the Y-axis. The phase difference phi between the voltage E1 and the current I1 is determined by the equation I ; further, the secondary voltage E2 and angular frequency omega of said oscillation circuit are measured and the electric power P applied to the weld zone is determined from the equation II (L0, r0- L5, r5 are respectively the self inductances and resistances of a transmission circuit, the primary and secondary sides of the transformer 9, the overall V-shaped part of the pipe to be welded, and the circumferential length part of the pipe, M is mutual inductance, and C is the capacitance of the oscillation circuit).
    • 目的:通过高频电流,电压等测量,通过计算高频对接中的比例常数,连续地确定焊接时自动控制焊接方法中焊接区域的电力瞬时值 缝焊。 构成:测量高频振荡电路的电流互感器9的初级电压E1和电流I1,并将其输入到同步仪1,其Lissajour波形确定由Y轴切割的部分中的电压2V1。 电压E1和电流I1之间的相位差phi由公式I确定; 此外,测量所述振荡电路的次级电压E2和角频率Ω,并且从等式II(L0,r0-L5,r5分别是传输的自感和电阻)确定施加到焊接区的电力P 电路,变压器9的一次侧和二次侧,待焊接的管的整个V形部分和管的圆周长度部分,M是互感,C是振荡电路的电容)。
    • 9. 发明专利
    • エアバッグインフレータ用高強度溶接鋼管およびその製造方法
    • 高强度焊接钢管及其制造方法的用于气囊充气机
    • JP5979334B1
    • 2016-08-24
    • JP2016503246
    • 2015-10-19
    • JFEスチール株式会社
    • 荒谷 昌利河端 良和岩崎 謙一松井 亮二
    • C22C38/38C22C38/58C21D9/08B60R21/268C22C38/00
    • B60R21/264B60R21/268C21D9/08C22C38/00C22C38/38C22C38/58B23K13/00B23K13/02B23K26/262
    • 高靭性および加工性を有するエアバッグインフレータ用高強度溶接鋼管を提供する。 母材部が、質量%で、C:0.02〜0.08%、Si:0.001〜1.0%、Mn:0.1〜2.0%、P:0.1%以下、Al:0.01〜0.1%、N:0.01%以下、Ti:0.01〜0.20%、V:0.01〜0.50%を含み、残部Feおよび不可避的不純物からなる組成と、平均粒径:10μm以下のフェライト相を面積率で90%以上とし、該フェライト相中に平均粒径が10nm以下のTi、V系炭化物が分散した組織とを有し、引張強さTS:780MPa以上の高強度で、かつ強度−伸びバランスTS×El:15000MPa%以上で、ビッカース硬さで前記母材部の硬さと前記溶接部の硬さとの差ΔHVが60ポイント以下で、母材部とのビッカース硬さの差が30ポイント以上となる軟化部の周方向の軟化幅Wsを0.05mm以下とする。
    • 以提供高强度焊接钢管,其具有高的韧性和加工性的气囊充气机。 碱金属是,以质量%计,C:0.02〜0.08%以下,Si:0.001〜1.0%以下,Mn:0.1〜2.0%,P:0.1%以下,Al:0.01〜0.1%,N:0.01%或以下,Ti :0.01〜0.20%V:包括0.01%〜0.50%,含有Fe及不可避免的杂质,平均粒径的平衡的组合物:在90%以上的面积比为10微米的铁氧体相的或更小,平均铁素体相 颗粒尺寸和组织为10nm以下的Ti,V型碳化物是分散的,拉伸强度TS:高强度780MPa以上的,和强度 - 延伸率平衡TS×EL:以15,000兆帕%以上,维氏硬度 硬度的硬度与母材ΔHV的焊接部分之间的差低于60分,0.05毫米基底金属的差维氏硬度的软化部分的软化宽度Ws的圆周方向上小于30分 低于。
    • 10. 发明专利
    • Manufacture of clad steel plate
    • 钢板的制造
    • JPS6163379A
    • 1986-04-01
    • JP18680084
    • 1984-09-06
    • Kawasaki Steel Corp
    • KURAHASHI HAYAONAKAI YOICHI
    • B23K20/04B23K11/08B23K13/01B23K13/02B23K13/04
    • B23K13/043B23K13/02
    • PURPOSE:To obtain a stainless steel clad steel plate whose corrosion resistance is excellent by impressing a high frequency current to a surface layer to be stuck of a base metal and a clad metal, heating them until they become a molten or half-molten state, and thereafter, pressing and sticking them by a pressure welding roll immediately. CONSTITUTION:Slide type terminals 3, 3 divided and insulated from each other are made to contact to both end edges in each plate width direction of a moving steel plate base metal 1 and a stainless steel clad metal 2 which is rewound and supplied, and proximity inductor 5 is placed through an insulating material 6 between the base metal 1 and the clad metal 2. Subsequently, a high frequency AC current is impressed between each terminal 3, 3 and the inductor 5, a surface layer to be stuck of the base metal 1 and the clad metal 2 is heated to a molten or half-molten state, and thereafter impressed and stuck by a pressure welding roll 8 immediately. In this regard, a part between the high frequency heating part and the roll 8 is sealed by an inert gas. In this way, in a rolling state as it is, a stainless steel clad steel plate whose corrosion resistance is excellent can be manufactured.
    • 目的:为了获得不锈钢复合钢板,其耐腐蚀性优异,通过将高频电流施加到被贱金属和复合金属粘合的表面层上,将其加热直到它们变成熔融或半熔融状态, 然后立即用压接辊将其压紧并粘贴。 构成:将彼此分离和绝缘的滑动式端子3 3与移动的钢板母材1的每个板宽度方向上的两个端部边缘以及被倒带和供给的不锈钢复合金属2接触 电感器5通过基底金属1和包层金属2之间的绝缘材料6放置。随后,在每个端子3,3和电感器5之间施加高频交流电流,将被贱金属粘附的表面层 1并且包层金属2被加热到熔融或半熔融状态,然后立即用压力辊8压印并粘贴。 在这方面,高频加热部和辊8之间的部分被惰性气体密封。 这样,在轧制状态下,可以制造耐腐蚀性优异的不锈钢复合钢板。