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    • 2. 发明授权
    • Top-and-bottom blown converter steel making process
    • 顶吹式转炉炼钢工艺
    • US4409024A
    • 1983-10-11
    • US385407
    • 1982-05-17
    • Yoshiei KatoTsutomu NozakiKyoji Nakanishi
    • Yoshiei KatoTsutomu NozakiKyoji Nakanishi
    • C21C5/34C21C5/35C21C5/32
    • C21C5/35
    • In the top-and-bottom blown converter steel making process, a process is provided wherein the position of the bottom-blowing tuyeres is set such that the maximum X.sub.0 among the distances X between the respective tuyreres and the center of the converter bottom is up to 1.3 times the horizontal distance Y between the central vertical axis of the converter and the outermost boundary of a hot spot region developed on the molten iron surface by the top-blowing oxidizing gas from the lance. By setting the position of the bottom blowing tuyeres in this manner, the interference of the bottom-blowing gas with the top-blowing gas is promoted to enhance the agitation between the slag and the metal to reduce the concentration of iron value (T.Fe) in the slag, thereby improving the iron yield.
    • PCT No.PCT / JP81 / 00239 Sec。 371日期1982年5月17日 102(e)日期1982年5月17日PCT提交1981年9月19日PCT公布。 出版物WO82 / 01012 在上下吹制转炉炼钢过程中,提供了一种工艺,其中底吹风口的位置被设定为使得各个风口之间的距离X中的最大X0 转炉底部的中心高达转炉中心纵轴之间的水平距离Y的1.3倍,并且由来自喷枪的顶吹氧化气体在铁水表面上形成的热点区域的最外边界。 通过以这种方式设定底吹风口的位置,促进底吹气体与顶吹气体的干涉,以增强炉渣和金属之间的搅拌,以降低铁的浓度(T.Fe ),从而提高铁产量。
    • 6. 发明授权
    • Continuous casting apparatus for the production of cast sheets
    • 用于生产铸片的连续铸造设备
    • US4673024A
    • 1987-06-16
    • US711463
    • 1985-02-28
    • Hakaru NakatoTsutomu NozakiKatsuo KinoshitaYasuhiro HabuHiroaki OhnumaShigeru OhmiyaTomoaki Kimura
    • Hakaru NakatoTsutomu NozakiKatsuo KinoshitaYasuhiro HabuHiroaki OhnumaShigeru OhmiyaTomoaki Kimura
    • B22D11/06
    • B22D11/066
    • A belt-converging type continuous casting apparatus for the continuous production of sheet bar-like cast sheet, wherein a casting space is defined by a combination of a pair of metal belts for supporting broad side planes of the cast sheet arranged opposite to each other with circulatedly moving, and a pair of tapered fixed-type side plates for supporting narrow-side planes of the cast sheet each disposed between the metal belts in intimate contact therewith, and is characterized in that the shape of the side plate is designed so as to satisfy the following relations:d=5-300 mm,D.gtoreq.60 mm,D/d.ltoreq.16,.theta..ltoreq.30.degree..theta.=tan.sup.-1 (D-d/Hto thereby prevent the occurrence of defects in the side planes of the cast sheet, while the metal belt is selected so as to satisfy the following relations:Sy.gtoreq.10,500 t/Dr,0.4.ltoreq.t.ltoreq.2.5,wherein Dr is a diameter of a guide roll (mm), to thereby prevent the deterioration of cast sheet quality and the casting accident accompanied with the deformation of the belt.
    • PCT No.PCT / JP84 / 00339 Sec。 371日期1985年2月28日第 102(e)1985年2月28日PCT申请日1984年6月29日PCT公布。 出版物WO89 / 日本1985年1月17日。一种用于连续生产片状棒状铸片的带束式连续铸造装置,其中铸造空间由用于支撑铸件的宽侧平面的一对金属带的组合限定 并且一对锥形固定型侧板,用于支撑铸造片材的窄边平面,每个平面布置在与金属带紧密接触的金属带之间,其特征在于, 侧板被设计成满足以下关系:d = 5-300mm,D> / = 60mm,D / d / = 10,500t / Dr,0.4≤t≤2.5,其中Dr 是导辊的直径(mm),从而防止铸件质量的劣化和伴随的铸造事故 h带的变形。
    • 10. 发明授权
    • Spindle motor and manufacture thereof
    • 主轴电动机及其制造
    • US06822358B2
    • 2004-11-23
    • US10244457
    • 2002-09-17
    • Tsutomu NozakiTadayoshi YanoToshikazu TakehanaHidekazu TokushimaYuji Yoshitomi
    • Tsutomu NozakiTadayoshi YanoToshikazu TakehanaHidekazu TokushimaYuji Yoshitomi
    • H02K708
    • F16C17/04F16C33/08F16C33/1035F16C43/02F16C2370/12G11B19/2009H02K5/1675
    • A spindle motor having a bearing housing and a thrust bearing fitted in the bearing housing at the lower end of the latter, in which an inclined part is formed on the outer peripheral edge at the lower end of the thrust bearing, and the outer diameter part of the thrust bearing is fitted in a coupling bore formed in the end surface of the bearing housing, the end surface of the bearing housing being pressed uniformly in the axial direction over the entire circumference around the coupling bore to cause the bearing housing to plastically flow around the coupling bore in order to cover the above-mentioned inclined part of the thrust bearing. The above-mentioned covering part formed in the bearing housing through plastic flow can exhibit a high bonding strength between the bearing housing and the thrust bearing in the spindle motor without deteriorating the sealing ability of the spindle motor, due to a shearing force and a residual contact pressure of the covering part.
    • 一种主轴电动机,其具有轴承壳体和推力轴承,所述推力轴承装配在所述轴承壳体的下端,所述推力轴承在所述止推轴承的下端的外周边缘上形成有倾斜部,所述外径部 止推轴承装配在形成在轴承箱端面上的连接孔中,轴承壳体的端面沿轴向均匀地压在连接孔周围的整个圆周上,使轴承壳体塑性流动 围绕联接孔以覆盖推力轴承的上述倾斜部分。 通过塑料流动形成在轴承壳体中的上述覆盖部分可以在轴承壳体和主轴电机中的推力轴承之间表现出高的结合强度,而不会由于剪切力和残余物而降低主轴电机的密封能力 覆盖部分的接触压力。