Large Magnetic Particle Brake with Slip Heat Dissipation
Large Magnetic Particle Brake with Slip Heat Dissipation
SKU:LAR-74d209
Powerful Magnetic Particle Brake with Slip Heat Dissipation for precise torque control
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$2,899.99
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$2,899.99
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Large Magnetic Particle Brake with Slip Heat Dissipation
$2,899.99
Quantity: 1
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Large Magnetic Particle Brake with Slip Heat Dissipation
$2,899.99
Quantity: 1
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The Large Magnetic Particle Brake with Slip Heat Dissipation offers a torque range of 4 to 300 lb-ft, smooth and repeatable torque control, and slip heat dissipation capabilities from 550 to 1900W. With a maximum speed of 1800 rpm, this self-contained brake is perfect for tension control, load simulation, and soft stops. Ideal for institutional and government use, it ensures precise torque management and reliable performance in various applications.
Product Specifications
Characteristics Characteristics
With no electrical excitation, the shaft freely rotates.With electrical excitation, the shaft becomes coupled to the case.While the load torque is less than the output torque, the shaft wonât rotate.When the load torque is increased, the brake will slip smoothly at the torque level set by the coil input current.
Determining Proper Brake Size Determining Proper Brake Size
Determining Proper Brake SizeThe proper sized brake mustâ¦Have sufficient torqueBe able to dissipate the heatNo run above rated speedTorqueFor load simulation, torque limiting and similar applications, torque is already known.For web handling, torque must be calculated. First determine the desired tension in your web (wire, fabric, film etc.).Calculate Torque: Torque (lb-inches) = Tension (lbs) x Roll Diameter (inches) x 0.5Use the Full Roll Diameter for calculating the maximum torque needed. For applications with the web running over a pulley or between nip rollers (pinch rollers), use the pulley diameter as the roll diameter in the formula above. Always be conservative - select the next larger model if the application requires nearly the rated torqueRPM (must be less than the maximum allowable)For load simulation, torque limiting and similar applications, RPM is already known.For web handling, usually linear speed (Web Speed) is known, and RPM must be calculated.Calculate RPM: RPM = 3.8 x WEB SPEED (feet per minute)/ROLL DIAMETER (inches)Use the Full Roll Diameter to determine the slowest speed. Use the Core Diameter (empty spool diameter), to determine the fastest speed. For applications with the web running over a pulley or between nip rollers (pinch rollers), use the pulley diameter as the roll diameter.Slip Heat Dissipation (model must be physically large enough not to overheat)For any application.Calculate Heat Input: HEAT (watts) = TORQUE (lb-inches) x RPM x 0.012For unwinding applications.Calculate Heat Input: HEAT (watts) = WEB TENSION (lbs) x WEB SPEED (feet/minute)/44Duty CycleThe average heat input must be below the brake's heat dissipation rating. If the motion is intermittent, use the average speed for thermal (SLIP) calculations.
Note Note
Mounting holes - Standard: Imperial (inch), Optional: Metric
Specifications Available Direct Current Dc Coil Voltage
24 V
Specifications Configuration
Shaft on one side
Specifications Current
3.5 A
Specifications Maximum Overhung
325 lb | 1450 N
Specifications Maximum Speed
1800 rpm
Specifications Resistance
6.9 Ω
Specifications Slip Heat Dissipation
550 to 1900 W
Specifications Torque Range
4 to 300 lb·ft | 6 to 400 N·cm
Specifications Weight
225 lb | 102 kg
Torque Torque
Is proportional to input current.Is independent of RPM.
Applications Applications
Adjustable tension - for unwinding (payout) webs.Load simulation - for testing stepper motors, gear motors and mechanisms.Torque limitingSoft stops.