High-torque DC motor 4MTB-CK

  • Brand: GAMA MOTORS
  • Product Code: 4МТВ-СК
  • Availability: Pre-order 30 calendar days
1 365.00€
Main specifications
All specifications
Max. voltage, V: 190
Rated power, кW: 4.71
Max. speed, rpm: 1500
Rated current, А: 28
Tachogenerator: Yes
Pulcoder: Yes
Brake: Yes
Rezolver: No

The high-torque 4MTВ-СК DC motor with a power of 4.71 kW (30Nm) is designed for feed drive mechanisms in metal-cutting machines and other actuating elements in modern automation systems, telemechanics, and measuring equipment.

Scopes of engines 4MTВ-СК:

  1. Thyristor, transistor electric drives and feed drives of metal cutting machines;
  2. Correction devices of hydraulic systems (to compensate for disturbing moments that cause precession of the gyroscope axis);
  3. Stabilizing devices (position control system of various larger objects: antenna, sight, and others);
  4. As tensioning devices to regulate or maintain unchanged the tension force of a wire, tape, chain);
  5. As rotary electromagnets controlling dampers, valves, braking devices and so on.

The engine is designed in accordance with current standards and complies with the requirements and standards of IEC 72-1, IEC 34-1, IEC38, ISO2373.

The DC motor 4MTВ-СК is made with a built-in 4P tachogenerator (20V / 1000 min-1), an electromagnetic brake, photoelectric raster converter and thermal protection. Thermal protection is implemented with the help of a posistor (temperature sensor) type RTT-250-120, which is installed in the engine.

In high-torque electric motors of type 4MTВ-СК of serial production, electrographic brushes of the EG2А grade 10x10x10/3x16x23 mm are used. (8 pcs.).

Characteristic features of the 4MTВ-СК engine:

  • charged magnetic core;
  • built-in thermal protection sensor;
  • built-in electromagnetic brake;
  • built-in encoder / pulcoder;
  • degree of protection IP-44;
  • built-in tachogenerator of direct current 4P (brush brand E43 4x5x10 mm. (4pcs.))
  • high reliability and durability.
    Main characteristics
    Max. voltage, V 190
    Rated power, кW 4.71
    Max. speed, rpm 1500
    Rated current, А 28
    Tachogenerator Yes
    Pulcoder Yes
    Brake Yes
    Rezolver No
    Additional characteristics
    Built-in brake / nominal torque, Nm 24
    Built-in brake / rated current, А 1.3
    Constant voltage, V/1000min¯¹ 0.130
    Electromagnetic time constant, s 0.005
    Electromechanical time constant, s 0.017
    Inertia moment of the shaft, kgm² 0.042
    Steepness of tachogenerator characteristics, V/min¯¹ ≥0.02
    Thermal time constant, min 60
    Torque constant, Nm/A 1.070
    Rated torque, Nm 30
    Max. torque, Nm 170
    Degree of protection, ІР 44
    Warranty, month 12
    Weight (G), kg 46.0
    Class thermal insulation F
    Manufacturer country Bulgaria
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