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Introduction of research and development center

It is a prerequisite for leading companies to develop future-oriented technology studying technology incessantly without ever being satisfied with current situation. You can call it a leading company who plays a leading role to create a changing environment but not who follows the changing environment.
We, a center of research and development, have been investing generously in research and development targeting the creative technology development. As a result we have accomplished several developments of our own technology based on our own design from our technology research center. Through our constant research we endeavor to achieve technology innovation, quality improvement, and productivity improvement and cost reduction of our customers and strive to provide a more satisfying experience and confidence to our customers giving a technological and innovative solutions.

Name of Patent Status

  • Hemming device- roller type

    SAMMI PRECION Patent Hemming device- roller type

    Hemming device- roller type

    Patents related to the roller head hemming device used for roller hemming, one of the hemming methods. Hemming completed by one travelling using three cylinders and a roller. Suitable for straight type such as a sunroof.

  • Hemming device- link type

    SAMMI PRECION Patent Hemming device- link type

    Hemming device- link type

    The improved type of device from the hemming device-clinching type, which performs pre-hemming and main hemming simultaneously through connecting the link structure. By eliminating the pre-hemming operation cylinder it is possible to effectively respond to the simple line configuration. Adequate for Wheel arch (W / ARCH) and fenders unit hemming.

  • Servo motor hemming device

    SAMMI PRECION Patent Servo motor hemming device

    Servo motor hemming device

    Hemming device utilizing servo motor and link structure

  • Clamp device

    SAMMI PRECION Patent Clamp device

    Clamp device

    Clamping device eliminating cylinder from the existing clamping device but including a spring instead

  • Hemming device- inside type

    SAMMI PRECION Patent Hemming device- inside type

    Hemming device- inside type

    Hemming device optimized for narrow strip door-waisted section hemming

  • Hemming device-servo motor link type

    SAMMI PRECION Patent Hemming device-servo motor link type

    Hemming device-servo motor link type

    A hemming device utilizing servo motor and cam (CAM) DMF realizes the possible optimized hemming quality through control of pressing force and pressing time. Productivity can be increased through minimizing the cycle type (Cycle Time) Cost saving and recycling increasing through standardization of device structure and specification of servo motor.

  • Fastening device couplers for rebar connection with a clamping unit

    SAMMI PRECION Patent Fastening device couplers for rebar connection with a clamping unit

    Fastening device couplers for rebar connection with a clamping unit

    A fastening device jointing between rebars makes it possible the joint construction fast and safe including the function of reaction bar.

  • Vibration roller hemming device

    SAMMI PRECION Patent Vibration roller hemming device

    Vibration roller hemming device

    Patents related to the roller head hemming device used for roller hemming, one of the hemming methods. Coupling element to cause a vibration in the conventional roller head

  • Processing machine of the connection end of deformed rebar

    SAMMI PRECION Patent Processing machine of the connection end of deformed rebar

    Processing machine of the connection end of deformed rebar

    Patents related to the swaging machine used when threading the reinforcement