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    • 1. 发明专利
    • Electric current bonding process and apparatus
    • 电流接合工艺和设备
    • JP2007175740A
    • 2007-07-12
    • JP2005378277
    • 2005-12-28
    • Hitachi LtdSuwa Netsukogyo Kk株式会社日立製作所諏訪熱工業株式会社
    • TSUKAMOTO TAKESHIKASUYA TADASHIMIYASAKA YOSHITOFUJIMORI TAKAYUKI
    • B23K11/24B23K11/25B23K20/00
    • PROBLEM TO BE SOLVED: To provide a process capable of performing a sound bonding without any defects while suppressing a compressive deformation in a pressurizing direction due to the bonding.
      SOLUTION: In the electric current bonding process by which the electric current is allowed to flow between the members in the state where pressurization is performed so as to generate specific pressure on contact surfaces by making a plurality of conductible members in contact with each other, the members are heated by resistance heat generation of the contact surface and the inside of a material and the members are bonded with each other, the temperature in the bonding part and the dimensional change of the members and pressurizing force imparted to the member are measured. In the state where time change of the temperature in the bonded part is positive, when detecting that the time change of the member size is negative, at least one of pressurizing force control for reducing the pressurizing force to the member and the energization control for controlling the energization so as to hold the temperature in the bonded part or to lower to a predetermined value is performed.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供能够在抑制由于接合而导致的加压方向上的压缩变形的同时进行声音接合而没有任何缺陷的处理。 解决方案:在进行加压的状态下允许电流在构件之间流动的电流接合工艺中,以便通过使多个导电构件与每个接触部件接触而在接触表面上产生比压力 另外,通过接触表面和材料内部的电阻发热来加热构件,并且构件彼此接合,接合部分的温度和构件的尺寸变化和施加到构件的加压力是 测量。 在接合部的温度的时间变化为正的状态下,当检测到构件尺寸的时间变化为负时,至少一个用于降低对构件的加压力的加压力控制和用于控制的通电控制 执行使保持接合部的温度或者降低到规定值的通电。 版权所有(C)2007,JPO&INPIT
    • 2. 发明专利
    • Joining apparatus and joining method with pulse energization
    • 具有脉冲能量的接合装置和接合方法
    • JP2005230823A
    • 2005-09-02
    • JP2004039173
    • 2004-02-17
    • Suwa Netsukogyo Kk諏訪熱工業株式会社
    • MIYASAKA YOSHITOKARASAWA HITOSHIFUJIMORI TAKAYUKIISHIKAWA MASAYUKI
    • B23K20/00B23K11/11
    • B23K11/115
    • PROBLEM TO BE SOLVED: To provide a joining apparatus and a joining method with a pulse energization with which even when a joining member is thermally expanded by the raised temperature at the joining time, the pressure applied to the joining member is lightened without bringing about a time-lag and a joined body can be obtained without damaging the accuracy.
      SOLUTION: In the joining apparatus with the pulse energization provided with one pair of electrodes 2 for supplying the pulse current to the joining member 1, a pulse current generating unit 3 for supplying the pulse current to the electrodes, and a pressurizing means 4 for pressurizing the electrodes, the electrodes have elastic force. In the joining method with the pulse energization, by which the joining surfaces of the joining members are butted to each other and while pressurizing with a prescribed pressure so as to closely attach the butted joining surfaces, one pair of electrodes are butted in an optional direction of the joining members and only joining members are energized and joined, the electrodes having the elastic force as the electrode for supplying the pulse current to the joining member, are used.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供一种具有脉冲通电的接合装置和接合方法,即使在接合部件在接合时由于升高的温度而热膨胀,也可以减轻施加在接合部件上的压力,而不会 可以获得时滞,并且可以获得接合体而不损害精度。 解决方案:在具有脉冲通电的接合装置中,设置有用于向接合构件1提供脉冲电流的一对电极2,用于向电极提供脉冲电流的脉冲电流产生单元3和加压装置 为了对电极进行加压,电极具有弹性力。 在具有脉冲通电的接合方法中,通过该接合方法,接合部件的接合表面彼此对接并且在以规定压力加压的同时紧密地安装对接接合表面,一对电极在任选方向上对接 的接合构件,仅接合构件被通电并接合,具有弹性力的电极作为用于向接合构件提供脉冲电流的电极。 版权所有(C)2005,JPO&NCIPI
    • 4. 发明专利
    • Casting die
    • 铸造模具
    • JP2006035268A
    • 2006-02-09
    • JP2004218838
    • 2004-07-27
    • Suwa Netsukogyo Kk諏訪熱工業株式会社
    • KARASAWA HITOSHIMIYASAKA YOSHITOHONDO MASAONISHIYAMA FUMITAKEISHIKAWA MASAYUKIFUJIMORI TAKAYUKI
    • B22C9/06B22C9/00B22D17/22
    • PROBLEM TO BE SOLVED: To provide a casting die used for forming a cast product having uneven thickness, with which when molten metal is cast into a cavity for a product, the solidification is made uniform and a high quality cast product can be obtained.
      SOLUTION: This casting die used for casting of the cast product having the uneven thickness is characterized in that the plurality of flowing passages 3 are arranged at least at the back surface of the cavity 2 on the fixed metallic mold side 1A, and in the above flowing passages 3, in the flowing passage at the back surface side of the product cavity having thin thickness, a fluid having higher temperature than that of the flowing passage at the back surface side of the product cavity having thick thickness, is circulated. Further, in the cavity back surface between the product cavity between the product cavity having thin thickness and the product cavity having thick thickness, or in the interval between the product cavity between the product cavity having thin thickness and the product cavity having thick thickness and the plurality of flowing passages, a heat shielding part 6 is arranged.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种用于形成具有不均匀厚度的铸造产品的铸模,当将熔融金属浇铸到产品的空腔中时,使凝固均匀,并且可以将高质量的铸造产品 获得。 解决方案:用于铸造具有不均匀厚度的铸造产品的铸模的特征在于,多个流动通道3至少设置在固定金属模具侧1A上的空腔2的后表面,以及 在上述流动通道3中,在具有较薄厚度的产品空腔的后表面侧的流动通道中,具有比具有厚厚度的产品空腔的后表面侧的流动通道的温度高的流体循环 。 此外,在具有薄厚度的产品空腔与具有厚厚度的产品空腔之间的产品空腔之间的空腔后表面中,或者在具有较薄厚度的产品空腔与具有厚厚度的产品空腔之间的产品空腔之间的间隔中, 多个流动通道,布置有热屏蔽部分6。 版权所有(C)2006,JPO&NCIPI
    • 5. 发明专利
    • Cold-chamber die casting machine excellent in durability
    • 冷BER E E。。。。。。。。。。。。。。
    • JP2006026696A
    • 2006-02-02
    • JP2004210012
    • 2004-07-16
    • Suwa Netsukogyo Kk諏訪熱工業株式会社
    • KARASAWA HITOSHIMIYASAKA YOSHITOHONDO MASAONISHIYAMA FUMITAKEISHIKAWA MASAYUKIFUJIMORI TAKAYUKI
    • B22D17/08B22D17/20B22D17/22
    • PROBLEM TO BE SOLVED: To provide a cold-chamber die casting machine excellent in the durability as a whole by which the service life of an extrusion pin and a sleeve in an injection device can drastically be extended.
      SOLUTION: In the cold-chamber die casting machine excellent in the durability, having a die 2 provided with the extrusion pin 1, the injection device 6 provided with the sleeve 3 and a plunger 4 and for injecting molten metal 5 into the die 2 and a supplying device 7 for supplying the molten metal 5 into the injection device 6, at least one or more of flowing passages 8 are included in the inner part of the extrusion pin 1, and at least one or more of flowing passages 10 are included in the outer wall 9 of the sleeve 3, and fluid material having a prescribed temperature is circulated in each flowing passage (8 and 10).
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种整体上耐用性优异的冷室压铸机,其中可以显着地延长注射装置中的挤出销和套筒的使用寿命。 解决方案:在耐久性优异的冷室压铸机中,具有设置有挤压销1的模具2,注射装置6设置有套筒3和柱塞4,并将熔融金属5注入到 模具2和用于将熔融金属5供给到注射装置6中的供给装置7,至少一个或多个流动通道8包括在挤出销1的内部,至少一个或多个流动通道10 被包括在套筒3的外壁9中,并且具有规定温度的流体材料在每个流动通道(8和10)中循环。 版权所有(C)2006,JPO&NCIPI