TPB Series | Torque Powder Brake
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Catalog excerpts

TPB Series | Torque Powder Brake - 1

TORQUE POWDER BRAKE FEATURES ▪ Torque : 6 ... 600 N·m ▪ Power : ≤ 900 W (2 100 W with air cooling) ▪ Rated Torque available from 0 rpm ▪ Stable Braking Torque ▪ Low Moment of Inertia ▪ Low Residual Torque ▪ Operation in both Rotational Directions ▪ Delivered with Foot Mount ▪ For horizontal use only Fig. 1: TPB 012 | Torque Powder Brake The Torque Powder Brakes (TPB Series) are ideal for applications operating in the low speed range or middle to-high torque range. These magnetic powder brakes provide full torque at zero speed and are convection or air cooled, allowing power ratings up to 900 W (2 100 W with air cooling). Although intended for coupled service, moderate overhung loads can be tolerated depending on operating characteristics as speed, weight and center of gravity of the load. Care should be taken to ensure precise shaft alignment. Couplings should be of proper size and flexibility to adequately protect bearings from undue stress and shock loading. APPLICATIONS These units are suited for tension control applications, such as wire winding, foil, film, and tape tension control. Mounted on test benches, TPB Series - Torque Powder Brakes allow performance and reliability testing on driving elements such as electric motors, hand-held power tools, geared motors, reduction gears, and hydraulic transmission systems. Other applications include load simulation for life testing on electric motors, actuators, gearboxes, power steering, and many other rotating devices and assemblies. POWER SUPPLY A constant-current DC current supply is recommended. Magtrol offers suitable supply options (see specific section on page 6). OPERATING PRINCIPLES The TPB Series Torque Powder Brakes contain, as their name suggests, a magnetic powder. The electrical current passing through the coil generates a magnetic field, which changes the property of the powder, thus producing a smooth braking torque through magnetic coupling between the rotor and stator. Magnetic powder brakes produce their rated torque from zero speed. The element to be tested can be loaded from zero speed to determine the starting torque. Without electrical excitation, the shaft rotates freely. Since the magnetic powder is always contained within the brake, all powder brakes have a minimum drag torque associated with them. With electrical excitation, the shaft becomes magnetically coupled. While the torque is less than the brake output torque, the shaft will not rotate. When the torque is increased, the brake will slip at the torque level set by the input current. © 2023 MAGTROL | Due to continual product development, Magtrol reserves the right to modify specifications without f

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TPB Series | Torque Powder Brake - 2

H MAGTROLTECHNICAL DATA _ MECHANICAL CHARACTERISTICS a) Power at low speed without the full effect of internal mechanical cooling. b) TPB 006 is not available with compressed air cooling. For a short period of time, the brake may dissipate more power than expected. However, the average value of the derived power must not exceed the kinetic power rating shown in the table above. The following formula applies for continuous load operation. TPB Series TM or TS SeriesTorque Powder Brakes Torque Sensor MUTMotor under test © 2023 MAGTROL | Due to continual product development, Magtrol reserves...

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TPB Series | Torque Powder Brake - 3

TPB SERIES TPB 006 - 050 - TORQUE CURVES 1800 rpm Speed limit Natural Cooling Compressed Air Cooling TPB 050 - Torque TPB 025 - Torque TPB 012 - Torque Speed limit TPB 050 - Power TPB 025 - Power TPB 012 - Power Natural Cooling Compressed Air Cooling © 2023 MAGTROL | Due to continual product development, Magtrol reserves the right to modify specifications without forewarning.

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TPB Series | Torque Powder Brake - 4

TPB SERIES TPB 100 - 600 - TORQUE CURVES Natural Cooling Speed limit Speed limit TPB 400 & TPB 600 - Power TPB 200 - Power TPB 100 - Power Natural Cooling Compressed Air Cooling 100 © 2023 MAGTROL | Due to continual product development, Magtrol reserves the right to modify specifications without forewarning.

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TPB Series | Torque Powder Brake - 5

a) TPB 006 is delivred without foot-mount. Mounting is only available from b) TPB 006 is not available with compressed air cooling. the front side fixtures. NOTE: Most values are in metric units. Dimensions are in millimeters. NOTE: 3D STEP files of most of our products are available on our website: www.magtrol.com ; other files are available on request. © 2023 MAGTROL | Due to continual product development, Magtrol reserves the right to modify specifications without forewarning. Page 5 / 7

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TPB Series | Torque Powder Brake - 6

TPB SERIES POWER SUPPLIES For optimum torque stability, Magtrol offers different power supplies for Brakes & Clutches: MODEL 5212 - CURRENT REGULATED POWER SUPPLY Fig. 2: MODEL 5212 | Current-Regulated Power Supply MODEL 5212 is a 0 ... 1 A current-regulated, 0 ... 35 V DC power supply and display designed for use with hysteresis brakes and clutches. It features a 10-turn current adjustment potentiometer and 3 selectable current ranges: 200 ... 1000 mA. A built in panel meter displays the value of output current. The MODEL 5212 is designed as a closed-loop power supply to provide smooth...

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TPB Series | Torque Powder Brake - 7

TPB SERIES OPTIONS & ACCESSORIES TS SERIES - TORQUE SENSORS TM SERIES - TORQUE TRANSDUCERS Magtrol’s TS Series In-LineTorque Sensors provide extremely accurate torque and speed measurement. Each model has an integrated conditioning electronic module providing 0 ... ± 10 VDC torque output through an 8-pole connector, as well as a USB interface which can be directly connected to a computer. The sensor is delivered with the TORQUE Software which allows easy connection and data acquisition. A speed encoder provides min. 360 PPR (pulses / rev.) in Tach A, Tach B and Index reference Z (1...

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