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KATAKA actuator

Discussion in 'Motor actuators and drivers' started by tronicgr, Aug 14, 2008.

  1. tronicgr

    tronicgr

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    http://uk.youtube.com/watch?v=OiPU9BGQL2M


    http://www.kataka.dk/

    Specifications

    The KATAKA actuator enables linear motion from a much more confined space than existing actuators.

    The vital part of the patented KATAKA technology consists of discrete spindle segments,which are linked together to form a rod, which can transfer stress and strain.

    The KATAKA actuator can be made to fit various requirements. OTC products are available soon. Some of the key specifications for a KATAKA 400 actuator are:

    Max load (push) = 2000N (200kg)
    Max load (pull) = 1000N (100kg)
    Max stroke = 400mm
    Speed (at 1000N load) = 15mm/s
    Dimensions (H x W x L) 50 x 125 x 415 mm
    Power rate = 24V DC / Max 5.0A
    IP class = 54
    Duty cycle = 10%, 2min/18min
    Weight of actuator = 3,4kg

    And this shows the principle behind its mechanism:

    http://uk.youtube.com/watch?v=TEfkJSA5CmE


    The segmented spindle

    The segmented spindle consists of uniformly shaped elements, which can be coiled together. In the world of mechanical engineering, this is a completely new way of solving an old problem. Some call it a 3D zipper, others call it an Indian Rope trick.

    When not coiled up the segments are linked together in a flexible chain which can be stored in an almost arbitrary shaped container.

    There are not any textbooks available on the statics, kinematics and dynamics of this type of technology yet. We had to do our own testing and calculation models to get things right. We even had to come up with our own name for the technology.

    When a lot of segments are joined together, it resembles a conventional spindle, however it does not need to have any threads at all or all the threads can be placed vertically. Consequently, we chose to call the technology for a segmented spindle.

    The segmented spindle technology is protected by several patents (granted and pending). It is a radical new and different way of combining compactness with the advantages of the well-known and well-proven conventional spindle.

    ----------------------------
    Thanos: Kind of slow, but very interesting technology!!!!!
    tronicgr, Aug 14, 2008
    #1
  2. tronicgr

    tronicgr

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    tronicgr, Aug 18, 2008
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