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PAGE: "Products | Actuators | KDU Series Direct Drive Motor :: Harmonic Drive LLC"
URL: http://www.harmonicdrive.net/products/actuators/kdu-ddm/index.php

Actuators


 

KDU Series Direct Drive Motor

KDU Series Direct Drive Motor

KDU Series Direct Drive Motor


List of Features

KDU Series is a super high resolution and high precision Direct Drive Motor.
Available in 2 models depending on output torque.
  • Resolution: 11,840,000 pulses per revolution
  • High Precision 10 arc-sec: Absolute position accuracy.
                Repeatability: ± 0.5 arc-sec.
  • Stopping stability : Stopping stability in Servo lock model : Less than ± 2 pulses (±.22 arc-sec.)
  • High Torque : KDU-13S : 7 Nm
                KDU-13W: 15 Nm
  • Large Hollow Shaft:
                Motor outside diameter : 130 mm
                Hollow opening diameter : 50 mm
  • Mechanical accuracy: Run out on output side 2µm
Used for
  • Semiconductor Manufacturing Systems
  • FPD Manufacturing Equipment
  • Optical Machines
  • Measurement, Analytical and Test Systems
     

  • Model Ordering Code

    The Direct Drive Motor KDU Series is a system that function in combination with the HA-720 AC servo driver.
    The following table gives guidance how to find a system model name and symbol.

    KDU - 13 - S D - SP
    1 2 3
    1. Model:

    Direct Drive Motor, KDU Series
    KDU - 13 - S : KDU-13-SB-E08-100
    KDU - 13 - W : KDU-13-WB-E08-100

    2. System:

    Combination with AC servo driver, HA-720-5-100

    3. Specification Symbol:

    No mark : Standard item
    SP : Customized specification


    List of Ratings

    Item/Model

    KDU-13SB

    KDU-13WB

    Maximum torque *2

    Nm

    7.0Nm (62.0 In.lb)

    15.0Nm(132.8 In.lb)

    Maximum rotational speed

    rpm

    180

    160

    Torque constant

    Nm/A

    3.1Nm/A (26.9 In.lb/A)

    6.5Nm/A (56.4 In.lb/A)

    Input power supply voltage

    V

    AC100

    Moment of inertia

    kg•m1

    0.0047

    0.0065

    Moment stiffness

    Nm/rad

    2.4X105

    Motor position sensor

    pulse/rev

    Incremental encoder
    Square wave : phase A and B: 11,840,000
    Pulse signal of phase Z

    Repeatability positioning precision *3

    arc sec

    ±0.5

    Absolute positioning accuracy *3

    arc sec

    10 (Angular position corrected) *4

    Mass

    kg

    4.0

    5.0

    Mounting direction

    -

    Output shaft to face upward

    Combined driver

    -

    HA-720-5-100

    CAD Downloads

     

    PDF DXF

    Note1: * The table above shows output values of output shaft.
    Note2: * The values in the table above are obtained when connected to HA-720 servo driver.
    Note3: * The repeatability positioning precision and Absolute positioning accuracy repeatability
    are the values measured in an environment of 23 ±0.3°C in temperature, 50% RH in humidity
    and with output shaft facing upward in mounting direction.
    Please contact Harmonic Drive LLC, if you inquire to use with different environmental condition.
    Note4: * Value after angular position of the HA-720 servo driver is corrected.


    Product Drawing

    Product Drawing


    List of Dimensions

    Unit: mm

    Motor type

    KDU-13SA

    KDU-13WA

    A

    42

    56

    L

    80

    94

    Please confirm dimensions and specification with the drawing issued by Harmonic Drive LLC.





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