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    • 2. 发明专利
    • Bath roll for hot-dip metal coating
    • 用于热镀金属涂层的浴缸
    • JP2009161847A
    • 2009-07-23
    • JP2008037615
    • 2008-02-19
    • Nippon Steel CorpNippon Steel Hardfacing Co Ltd新日本製鐵株式会社日鉄ハード株式会社
    • KURISU YASUSHISHIGEMITSU SHINYOMISHIMA YUKIUDA KOJI
    • C23C2/00C23C4/10C23C4/18
    • PROBLEM TO BE SOLVED: To provide a bath roll for use in hot-dip metal coating line, especially hot-dip zinc coating line, that even in use over a prolonged period of time, is free from dross sticking to the roll surface and hence is capable of maintaining the quality of steel sheet. SOLUTION: The bath roll for hot-dip metal coating has continuous asperity provided in the circumferential direction of the surface of roll base material, and is characterized in that the asperity has a pitch P of 1 to 10 mm, a depth to bottom portion t of 0.2 to 5 mm being a half of the pitch P or less and, in cross-sectional view, a curvature radius of apical portion R of 0.1 mm or greater and a curvature radius of bottom portion R' satisfying the formula: 1.5R≤R'≤P 2 /(8t)-R+t/2(a) and that the angle θ made by mutually adjacent straight lines linking the curve point of the apical portion with the curve point of the bottom portion is 90° or greater. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供一种用于热浸金属涂层生产线,特别是热浸锌涂层生产线的浴辊,即使在长时间使用中也没有浮渣粘附到轧辊上 表面,因此能够保持钢板的质量。 < P>解决方案:用于热浸金属涂层的浴辊在辊基材表面的圆周方向上具有连续的粗糙度,其特征在于,凹凸具有1至10mm的间距P, 0.2〜5mm的底部t为间距P以下的一半,在截面图中,顶端部R的曲率半径为0.1mm以上,底部R'的曲率半径满足下式: 1.5R≤R'≤P 2 /(8t)-R + t / 2(a),并且由相互相邻的直线将顶点部分的曲线点与曲线 底部的点为90°以上。 版权所有(C)2009,JPO&INPIT
    • 3. 发明专利
    • Conveying roll and hearth roll for continuous annealing furnace
    • 用于连续退火炉的输送辊和滚筒
    • JP2005105338A
    • 2005-04-21
    • JP2003339773
    • 2003-09-30
    • Nippon Steel Corp新日本製鐵株式会社
    • KURISU YASUSHI
    • C23C4/04C21D9/56
    • PROBLEM TO BE SOLVED: To provide a conveying roll and a hearth roll for a continuous annealing furnace which have a thermal-spray film applied on their surfaces in order to simultaneously solve such problems as slippage, meandering, dust-sticking and build-up of a steel sheet.
      SOLUTION: This conveying roll has the thermal-spray film having a ratio R/R' of ≥4 on the surface, wherein R represents a roughness parameter measured by setting a cut-off value to an initial value according to JIS B 0633, and R' represents a roughness parameter measured by setting the cut-off value to 1/10 of the initial value. The roughness parameter R is one of Ra, Rq, Rp, Rv, and Rz. The hearth roll has the roughness parameter Ra measured by setting the cut-off value to 2.5 mm of ≥2 μm. The thermal-spray film desirably consists of ceramics, cermet or heat-resistant alloy having 20 to 300 μm thickness.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供用于连续退火炉的输送辊和炉床辊,其在其表面上具有热喷涂膜,以同时解决诸如滑动,蜿蜒,灰尘粘附和构建之类的问题 - 钢板。

      解决方案:该输送辊具有表面上的比率R / R'≥4的热喷涂膜,其中R表示通过根据JIS B将截止值设定为初始值而测量的粗糙度参数 0633,R'表示通过将截止值设定为初始值的1/10而测定的粗糙度参数。 粗糙度参数R为Ra,Rq,Rp,Rv和Rz之一。 炉底辊具有通过将截止值设定为≥2μm的2.5mm而测量的粗糙度参数Ra。 热喷涂膜理想地由具有20至300μm厚度的陶瓷,金属陶瓷或耐热合金组成。 版权所有(C)2005,JPO&NCIPI

    • 4. 发明专利
    • Roll and its producing method
    • 轧辊及其生产方法
    • JP2004292860A
    • 2004-10-21
    • JP2003084608
    • 2003-03-26
    • Nippon Steel Corp新日本製鐵株式会社
    • KURISU YASUSHI
    • F16C13/00C21D9/56F28D15/02
    • PROBLEM TO BE SOLVED: To provide a roll which has excellent temperature uniformity in the axial direction of the roll and can stably display a function of a heat pipe without diffusing hydrogen for long term, and its producing method.
      SOLUTION: In the roll including the heat pipe in the inner part of a roll shell, a hydrogen diffusion-preventive coating layer is provided on the outer periphery of the heat pipe. Particularly, it is desirable to provide a metal-coating layer aiming the joining with the shell basic material on the outer periphery of the heat pipe and the prevention to the peeling of the hydrogen diffusion-preventive coating layer, and to provide the hydrogen diffusion-preventive coating layer in the inner part of the metal coating layer.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种在辊的轴向上具有优异的温度均匀性并且可以稳定地显示热管的功能而不长期扩散氢的辊及其制造方法。 解决方案:在包括辊壳内部的热管的辊中,在热管的外周设置氢扩散防止涂层。 特别地,期望提供一种金属涂层,其目的在于将外壳基体材料与热管的外周接合并防止氢扩散防止涂层的剥离,并提供氢扩散 - 金属涂层内部的预防涂层。 版权所有(C)2005,JPO&NCIPI
    • 5. 发明专利
    • Method for manufacturing cooling roll for twin roll type thin sheet continuous casting
    • 制造双辊型薄板连续铸造冷却辊的方法
    • JP2003053494A
    • 2003-02-26
    • JP2001245169
    • 2001-08-13
    • Nippon Steel Corp新日本製鐵株式会社
    • KURISU YASUSHIYAMAMURA KAZUTO
    • B24C1/10B22D11/06
    • PROBLEM TO BE SOLVED: To provide a cooling roll for twin roll type thin sheet continuous casting apparatus in which a hot fatigue resistance of a cooling roll base material is strengthened with a comparatively inexpensive means so that the stable continuous casting can be performed for long term.
      SOLUTION: In a method for manufacturing one pair of cooling rolls rotatively driven each in reverse direction for continuously casting the thin sheet from molten metal, the surface of the roll base material composed of a copper or a copper alloy is applied with a peening treatment by using an ultrasonic vibration. A part subjected to the peening treatment is desirable to be formed by the ultrasonic vibration on the surface of the roll base material under condition of 20-50 μm amplitude and 10-50 kHz number of vibration.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:为了提供一种双辊型薄板连续铸造设备的冷却辊,其中冷却辊基材的耐热疲劳强度以相对便宜的方式被加强,使得可以长期进行稳定的连续铸造 。 解决方案:在用于制造一对冷却辊的方法中,将一对冷却辊沿相反方向驱动,从熔融金属连续铸造薄片,将由铜或铜合金构成的辊基材的表面施加喷丸处理 使用超声波振动。 通过在20-50μm振幅和10-50kHz振动的条件下,通过在辊基材表面上的超声波振动来形成经过喷丸处理的部分。
    • 6. 发明专利
    • Nozzle position controlling device and method
    • 喷嘴位置控制装置和方法
    • JP2011080109A
    • 2011-04-21
    • JP2009232618
    • 2009-10-06
    • Nippon Steel Corp新日本製鐵株式会社
    • KURISU YASUSHIWADA KAZUSANE
    • C23C2/20C23C2/00C23C2/40
    • PROBLEM TO BE SOLVED: To provide a continuous plating device and a method therefor in which the variation of a metal strip at a wiping nozzle position is suppressed to reduce variation in the coating weight of a molten metal caused by the vibration.
      SOLUTION: The continuous hot dip plating device 1 includes: a moving mechanism 30, for controlling the position of a wiping nozzle 9 spraying a gas on the surface of a metal strip 2 pulled up from a plating bath 3 to a vertical direction, moving the wiping nozzle 9 within a prescribed movable range to the vertical direction; a detection part 20 arranged adjacently to the metal strip 2 and detecting the amplitude of the metal strip 2; and a control part 40 deciding a vertical position at which the amplitude of the metal strip 2 reaches an allowable value or below within the movable range of the wiping nozzle 9 based on the detected result by the detection part 20, controlling the moving mechanism 30 and moving the wiping nozzle 9 to the vertical position.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种连续的电镀装置及其方法,其中抑制了擦拭喷嘴位置处的金属带的变化,以减少由振动引起的熔融金属涂层重量的变化。 < P>解决方案:连续热浸镀装置1包括:移动机构30,用于控制从电镀槽3向上拉的金属带2的表面喷射气体的擦拭喷嘴9的位置 将擦拭喷嘴9在规定的可移动范围内移动到垂直方向; 与金属带2相邻设置并检测金属带2的振幅的检测部20; 以及控制部40,根据检测部20的检测结果,决定金属带2的振幅在擦拭喷嘴9的可动范围内达到允许值以下的垂直位置,控制移动机构30和 将擦拭喷嘴9移动到垂直位置。 版权所有(C)2011,JPO&INPIT
    • 7. 发明专利
    • Mold for continuous casting and method for manufacturing the mold
    • 用于连续铸造的模具和用于制造模具的方法
    • JP2008018455A
    • 2008-01-31
    • JP2006192708
    • 2006-07-13
    • Nippon Steel Corp新日本製鐵株式会社
    • HAYASHI KAZUNORIKURISU YASUSHI
    • B22D11/059B22D11/057
    • PROBLEM TO BE SOLVED: To prevent damage at a meniscus part of a mold used for casting a molten steel containing zinc as an impurity.
      SOLUTION: In a mold for continuous casting, made of copper or a copper alloy, a zinc-resistant metallic film is formed on at least an area from the upper end of the mold to a height of 300 mm including the meniscus part on the inner surface of the mold by cold spraying, wherein the zinc-resistant metallic film comprises at least one element selected from the group consisting of group VIa elements (Cr, Mo, W) of the periodic table, group Va elements (V, Nb, Ta) of the periodic table, group IVa elements (Ti, Zr, Hf) of the periodic table, and unavoidable impurities. The film has a porosity of not more than 1.5%, an elongation of not less than 4.0%, an adhesion strength to a base material of not less than 35 MPa, and a thickness of 0.02 to 0.2 mm. A base layer of a metal comprising one or two elements of Co and Ni and unavoidable impurities is provided on the inner surface of the mold made of the copper or copper alloy, and a zinc-resistant metallic film may be provided on the base layer by cold spraying.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了防止用于铸造含有锌作为杂质的钢水的模具的弯液面部分的损坏。 解决方案:在由铜或铜合金制成的连续铸造用模具中,在从模具的上端至少一个区域形成高度为300mm的耐锌金属膜,包括弯月部 通过冷喷涂在模具的内表面上,其中耐锌金属膜包括选自元素周期表第VIa族元素(Cr,Mo,W)中的至少一种元素,Va族元素(V, Nb,Ta),元素周期表中的IVa族元素(Ti,Zr,Hf)和不可避免的杂质。 膜的孔隙率为1.5%以下,伸长率为4.0%以上,基材的粘合强度为35MPa以上,厚度为0.02〜0.2mm。 在由铜或铜合金制成的模具的内表面上设置包含Co和Ni的一种或两种元素的金属基底层和不可避免的杂质,并且可以在基底层上设置耐锌金属膜 冷喷。 版权所有(C)2008,JPO&INPIT
    • 8. 发明专利
    • Apparatus and method for hot press working of metal plate
    • 金属板热压工作装置及方法
    • JP2005169394A
    • 2005-06-30
    • JP2003344309
    • 2003-10-02
    • Nippon Steel Corp新日本製鐵株式会社
    • KURISU YASUSHIAZUMA YOSHIAKIYAMAMURA KAZUTOISHIMORI YUICHIMITAKE HIROYUKISHIMA TETSUOFUKUCHI HIROSHIYAMASAKI NORIMASA
    • B21D24/00B21D22/02B21D22/20B21D37/16B30B15/34
    • B21D37/16B21D22/022B21D22/208
    • PROBLEM TO BE SOLVED: To provide an apparatus and method for hot press working of a metal plate, which can quickly produce a press working product having excellent strength and geometrical accuracy, and further to provide a method for manufacturing the apparatus for hot press working of the metal plate.
      SOLUTION: The apparatus for hot working of the metal plate is characterized in that in the apparatus for hot press working of the heated metal plate, a supply pipe 6 for supplying a cooling medium is provided inside a die, and further injection nozzles 4 are provided so as to go through from the forming surface of the die to the supply pipe. A discharge pipe of the cooling medium may be provided inside the die, and exhaust nozzles going through from the forming surface of the die to the discharge pipe may be provided, and further a cooling pipe may be provided. The method for hot working of the metal plate is characterized in that the working is carried out while injecting the cooling medium from injection nozzles into the clearance between the metal plate and the die. The cooling medium injected into the clearance between the metal plate and the die may be discharged from the injection nozzles and/or the exhaust nozzles.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种金属板的热压加工的装置和方法,其可以快速地生产具有优异的强度和几何精度的冲压加工产品,并且还提供一种用于制造热装置的方法 冲压加工金属板。 解决方案:金属板的热加工装置的特征在于,在加热金属板的热压加工装置中,在模具内设置用于供给冷却介质的供给管6,并且还具有喷嘴 4设置成从模具的成形表面通过到供给管。 可以在模具内部设置冷却介质的排出管,并且可以设置从模具的成形表面到排出管的排气喷嘴,并且还可以设置冷却管。 金属板的热加工方法的特征在于,在从喷嘴喷射冷却介质到金属板和模具之间的间隙的同时进行加工。 注入到金属板和模具之间的间隙中的冷却介质可以从喷嘴和/或排气喷嘴排出。 版权所有(C)2005,JPO&NCIPI