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Factory Stocked Industrial Magnetic Powder Brake for Packing Machine 6-400Nm
Description ofFactory Stocked Industrial Magnetic Powder Brake for Packing Machine 6-400Nm
The Magnetic 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. Convection powder brakes produce their rated torque at zero speed. The element to be tested can be lBall Screw oaded at 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 element torque is less than the brake output torque, the shaft will not rotate. When the element torque is increased, the brake will slip smoothly at the torque level set by the input current.
Feature ofFactory Stocked Industrial Magnetic Powder Brake for Packing Machine 6-400Nm
1. Fast response and accurate control:Voltage to torque is almost linear, so engagement is extremely fast, and controllability of magnetic particle units is very accurate.
2. Stable torque:Torque is independent of speed, but is proportional to the voltage/current applied to the field, allowing stable torque throughout the units operating rpm range
3. Long life:Because the wear rate of magnetic particles is gradual instead of severe, the units have a very long life.
4. Excellent slip capaManufacturing Equipment for Electrical & Electroni city:Because of the units' excellent heat dissipation, and because of their construction, they can operate in a constant slip mode (within max allowable wattage), which makes them ideal for tension controlling applications.
How Magnetic Powder BrakesWorks
1. Engagement:Magnetic particles (very similar to iron filings) are located in the powder cavity. Without any voltage/current, they sit in the cavity; however, when voltage/current is applied to the coil, the magnetic flux that is created, tries to bind the particles together, almost like a magnetic particle slush. As the voltage/current is increased, the binding of the particles becomes stronger. The brake rotor passes through these bound particles. The output of the housing is rigidly attached to some portion of the machine. As the particles start to bind together, a resistant force is created on the rotor, slowing, and eventually stopping the output shaft.
2. Disengagement:When current voltage is removed from the brake, the input is free to turn with the shaft. Since magnetic particle powder is in the cavity, all magnetic particle units have some type of minimum drag associated with them.
3. Cycling:Cycling is achieved by turning the voltage/current to the coil on and off.
Technical Data of Factory Stocked Industrial Magnetic Powder Brake for Packing Machine 6-400Nm
ModelPB0.6PB1.2PB2.5PB5PB10PB20PB40Rated torquekgfm (N.m)0.6 (6)1.2 (12)2.5 (25)5 (50)10 (100)20 (200)40 (400)VoltageV24242424242424PowerW19.422.53051.557.664.884Machinery for Glass & Ceramics Shaft diameterφdh712152025303545Keyway sizeb*t mm4*13.55*175*227*287*3310*38.512*48.5Product weightkg5611173859100CurrentA0.810.941.242.152.42.73.5Magnetic weightg10203360140225370Max. rotation speedrpm1800Application ofFactory Stocked Industrial Magnetic Powder Brake for Packing Machine 6-400NmThese units are suited for tension control applications, such as wire winding, foil, film, and tape tension control. Mounted on test benches, our these magnetic 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 Demonstrational & Teaching Utensil other rotating devices and assemblies.

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