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    • 2. 发明授权
    • Welding gun
    • 焊枪
    • US08525078B2
    • 2013-09-03
    • US12967333
    • 2010-12-14
    • Hiroshi MiwaKoichi MatsumotoTeruaki KobayashiEisaku Hasegawa
    • Hiroshi MiwaKoichi MatsumotoTeruaki KobayashiEisaku Hasegawa
    • B23K9/00B23K9/10
    • B23K11/115B23K11/315B23K11/36H02K5/10H02K2205/09
    • A welding gun precludes moisture from penetrating inside of a motor housing due by preventing development of negative pressure inside the motor housing. The welding gun includes a feed screw mechanism that is coupled to a servo motor and has a hollow rod that reciprocally moves in a predetermined direction by way of torque applied by the servo motor, and a moveable electrode tip that is connected to a leading end portion of the hollow rod and opens and closes relative to a fixed electrode tip according to the reciprocal movement of the hollow rod. The servo motor has a motor housing in which a motor housing hollow part accommodating a portion of the hollow rod to be reciprocally moveable is formed. A vent that ventilates the motor housing hollow part with ambient air is formed in the motor housing.
    • 由于防止电动机壳体内的负压发展,焊枪防止湿气渗透到电动机壳体的内部。 焊枪包括一个联接到伺服电动机的进给螺杆机构,并具有通过由伺服电机施加的扭矩沿预定方向往复运动的中空杆,以及可移动电极头,其连接到前端部分 并且根据中空杆的往复运动相对于固定的电极头开启和关闭。 伺服电动机具有马达壳体,其中形成容纳中空杆的一部分以可往复运动的中空部分的马达。 在电机壳体内形成有通风环境空气的电机壳体中空部分的通风口。
    • 7. 发明申请
    • ENCODER DAMPENING MECHANISM
    • 编码器衰减机制
    • US20110155699A1
    • 2011-06-30
    • US12972766
    • 2010-12-20
    • Hiroshi MiwaKoichi MatsumotoTeruaki Kobayashi
    • Hiroshi MiwaKoichi MatsumotoTeruaki Kobayashi
    • B23K11/11
    • B23K11/314B23K11/311B23K11/36F16F1/3735F16F15/08F16F15/085H02K11/21
    • An encoder dampening mechanism is provided that absorbs shock acting on an encoder having a peripheral shape that is a flat shape, and prevents failure of the encoder. In an encoder dampening mechanism for an electric spot welding gun (1) equipped with a motor (30) that is accommodated inside of a motor housing (20) and causes a hollow rotor (31) to rotate, and an encoder main body (51) that detects a rotation angle of the hollow rotor (31), the encoder dampening mechanism includes: a thin plate (53) that is formed with a top surface (532) that is larger in a surface area than a base surface of the encoder main body (51), and on which the base surface of the encoder main body (51) is installed within the top surface (532); and a thin plate mounting portion (55) that connects the thin plate (53) to the motor housing (20) via the thin plate support part (553) and the thin plate pressure part (554), which dampen vibration.
    • 提供一种编码器阻尼机构,其吸收作用在具有扁平形状的周边形状的编码器上的冲击,并且防止编码器的故障。 在用于电动点焊枪(1)的编码器阻尼机构中,该电动点焊枪(1)配备有容纳在电动机壳体(20)内并使中空转子(31)旋转的电动机(30),以及编码器主体 ),所述编码器阻尼机构包括:薄板(53),其形成有与所述编码器的基面相比表面积大的顶面(532) 主体(51),编码器主体(51)的基面安装在上表面(532)内; 以及经由薄板支撑部(553)和薄板压力部(554)将薄板(53)与电动机壳体(20)连接的薄板安装部(55),其抑制振动。
    • 8. 发明申请
    • WELDING GAN DRIVING DEVICE
    • 焊接驱动装置
    • US20100032419A1
    • 2010-02-11
    • US12535866
    • 2009-08-05
    • Koichi MatsumotoHiroshi MiwaTeruaki Kobayashi
    • Koichi MatsumotoHiroshi MiwaTeruaki Kobayashi
    • B23K9/10
    • B23K11/31B23K11/314
    • A welding gun driving device is provided with an electric motor, a feed screw mechanism, and a pressure rod axially moved forward and backward via the feed screw mechanism by the electric motor. A rotor of the electric motor is formed into a hollow shape through which the pressure rod is insertable. The feed screw mechanism is provided with a screw shaft fixed to the rotor concentrically with the rotor, and a nut portion screwed to the screw shaft. The pressure rod is provided with the nut portion and a hollow rod portion extending toward the axial front from the nut portion. The rotor is provided, at its inner peripheral face, with a guide portion through which the pressure rod is inserted and supported so as to be relatively rotatable and axially slidable.
    • 焊枪驱动装置设置有电动机,进给螺杆机构和通过电动机通过进给螺杆机构而前后方向移动的压杆。 电动机的转子形成为可插入压杆的中空形状。 进给螺杆机构设置有与转子同心地固定到转子的螺杆轴,以及螺钉部分螺纹连接到螺杆轴。 压杆设置有螺母部分和从螺母部分朝向轴向前部延伸的中空杆部分。 转子在其内周面设置有引导部分,压杆通过该引导部分被插入和支撑以便可相对旋转并且可轴向滑动。
    • 10. 发明授权
    • Process for the preparation of magnetic recording medium
    • 制备磁记录介质的方法
    • US4189508A
    • 1980-02-19
    • US943123
    • 1978-09-18
    • Katsuyoshi ChibaYoshiki KatoTeruo TsunodaHajime FukkeTeruaki KobayashiHeigo IshiharaWaichi NagashiroMunehisa Mitsuya
    • Katsuyoshi ChibaYoshiki KatoTeruo TsunodaHajime FukkeTeruaki KobayashiHeigo IshiharaWaichi NagashiroMunehisa Mitsuya
    • G11B5/02G11B5/845H01F10/02
    • G11B5/845G11B5/02
    • A process for the preparation of a magnetic recording medium comprising;applying a magnetic coating material composed of dispersing a ferromagnetic fine powder in a high molecular binder onto the surfaces of a nonmagnetic support member to form a coating thereon;arraying one or more sets of magnet pairs on the sides of front and back surfaces of said support member, each of said magnet pairs being deviated by a predetermined distance in the moving direction of said support member such that said magnet pairs will not face to each other; andapplying a magnetic field in such a manner that the magnetic field applied to said coating by the magnet pairs arrayed on the side of the front surface of said support member is greater than the magnetic field applied to said coating by the magnet pairs arrayed on the side of the back surface of said support member, thereby satisfying the requirements ofDo.ltoreq.a,b wherein Do represents a distance between the surface of said support member and said magnet pairs, a an average distance between the magnets constituting said magnet pairs arrayed on the side of the front surface of said support member, and b an average distance between the magnets constituting said magnet pairs arrayed on the side of the back surface of said support member.
    • 一种制备磁记录介质的方法,包括: 将由铁磁性细粉末分散在高分子粘合剂中的磁性涂料施加到非磁性支撑构件的表面上以在其上形成涂层; 在所述支撑构件的前表面和后表面的侧面上排列一组或多组磁体对,每个所述磁体对在所述支撑构件的移动方向上偏离预定距离,使得所述磁体对将不面对每个 其他; 并施加磁场,使得排列在所述支撑构件的前表面侧上的磁体对施加到所述涂层的磁场大于通过排列在所述支撑构件的前面的磁体对施加到所述涂层的磁场 从而满足Do a的要求,其中Do表示所述支撑构件的表面与所述磁体对之间的距离,构成所述磁体对的磁体之间的平均距离 排列在所述支撑构件的前表面的侧面上,b是构成所述磁体对的磁体之间的平均距离,排列在所述支撑构件的后表面侧。