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Direct Drive Motor KDU Series Direct Drive Motor

Features

  • Super high resolution
    • Resolution: 11,840,000 pulses/revolution
      (0.11arc-sec/pulse)
  • High accuracy
    • Absolute position accuracy: 10arc sec
    • Repeatability: ±0.5arc sec
  • Stopping stability
    • Stopping stability during servolock: within ±2 pulse (±0.22arc sec)
  • Large hollow diameter
    • Motor outer diameter: φ130mm
    • Hollow opening diameter: φ50mm
  • Mechanical accuracy
    • Output side surface runout: 2μm

Commercial Applications

Model

The KDU Series Direct Drive Motor functions in combination with the HA-770 AC Servo Driver.
The model names for the system and how to read the symbols are explained below.
When ordering, do so using the following model names.

KDU-13SB(1)—D3(2)—100(3)—SP(4)

  1. Motor model: KDU Series Direct Drive Motor
    • KDU-13SB:KDU-13SB-E10
    • KDU-13WB:KDU-13WB-E10
  2. System designation: Combined with the HA-770-2 AC Servo Driver
  3. Input voltage
    • 100:AC100V
    • 200:AC200V
  4. Specification symbol
    • No symbol/Standard specification product
    • SP/Special specification product

Rated Table

Catalog Downloads (opens to a new window)

Item/Motor model KDU-13SB KDU-13WB
Maximum torque Note 2 Nm 7 15
Max. rotational speed r/min 127
Torque constant Nm/A 3.1 6.5
Input power supply V AC100/AC200
Inertia moment (GD2/4) kg m2 0.0047 0.0065
Moment stiffness Nm/rad 2.4X105
Motor position detector pulse/rev Incremental encoder
Square wave of Phases A and B: 11,840,000 Pulse signal of Phase Z
Repeatability: Note 3 arc sec ±0.5
Absolute position accuracy: Note 3 arc sec 10 (angular position correction): Note 4
Mass kg 4 5
Mounting direction Output shaft facing up
Combined driver HA-770-2
CAD data

Cover image

  DXF file DXF file
  • Note 1 The table shows the values for the output shaft.
  • Note 2 The values in the table are obtained when connected to the HA-770 Servo Driver
  • Note 3 The values for repeatability and absolute position accuracy are measured with the mounting direction of the output shaft facing up, and in an environment at a temperature of 23±0.3℃, with 50% humidity.
    Contact us if you will use in environmental conditions other than those stated.
  • Note 4 The values after the angular position of each motor for the HA-770 Servo Driver are corrected.

Servo driver specification

HA-770 Series for Direct Drive Motor

Model HA-770-2
Rated current 1.8A
Max. current 10A
Input voltage 100 to 115VAC (single phase), +10% to -15% 50/60Hz
200 to 230VAC (single phase), +10 to -15% 50/60Hz
Position command pulse Line collector type: Maximum response frequency 2-pulse train,
Single-pulse train:1MHz 2-phase pulse train: 200kHz
Control method Sinusoidal PWM control, Switching frequency 25kHz
Control mode Position control
Mass 0.8kg

CAD data

Cover image

DXF file
Manual 100V/200V Power Supply
HA-770-2 Driver (for KDU) Manual
PDF file

Contact us

For any comments or questions for the products, please contact us by inquiry form or contact the nearest sales office.