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MAGPOWR B-7V and B-20V Vertical Magnetic Particle Brakes

  • Torque is proportional to current
  • Torque is independent of speed
  • Easy control - adjustable while running
  • Torque is repeatable
  • Self contained with shaft, bores and bearings
  • Smooth stops and starts
  • Silent operation

Unlike other magnetic particle brakes, a horizontal axis is not required for shafts utilizing MAGPOWR's B-7V & B-20V Vertical Magnetic Particle Brakes, thanks in particular to the unit’s disk-shaped rotor. Other brakes sport cylindrical designs, requiring a horizontal shaft axis. The B-7V & B-20V operate with the axis vertical, horizontal, or at any other required angle—the space between the rotor and the two sides is filled with magnetic particles, so the unit can be operated in any orientation.

MAGPOWR's B-7V & B-20V Vertical Magnetic Particle brakes, made of rugged cast iron for long life, are easy to install and have minimal moving parts, requiring very little installation and calibration. These brakes assist in smooth, repeatable torque that is proportional to current, and applications include tensioning of film rolls on vertical shafts, packaging machines and machine tools.

MAGPOWR B-7V Specifications

  • 额定扭矩9.5 Nm
  • 外层转速600rpm时的散热量79 W
  • 非曳动阻力矩0.54 Nm
  • 转动惯量 (WR²)0.000084 kg-m²0.013 lb-ft²
  • 重量3 kg7 lb
  • 线圈电压(90 VDC)0.36 额定电流
    162 Ω at 20˚ C
  • 时间常数 (秒) 90和 24 VDC0.09 电流
    0.10 扭矩

MAGPOWR B-20V Specifications

  • 额定扭矩27.1 Nm
  • 外层转速600rpm时的散热量132 W
  • 非曳动阻力矩2.7 Nm
  • 转动惯量 (WR²)0.00057 kg-m²0.013 lb-ft²
  • 重量9 kg19 lb
  • 线圈电压(90 VDC)0.20 额定电流
    290 Ω at 20˚ C
  • 时间常数 (秒) 90和 24 VDC0.25 电流
    0.25 扭矩


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MAGPOWR Engineers have developed software to help you select the best clutch, brake or load cell for your application. Contact us at +1.405.755.1600 to verify sizing or ask questions.

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