The B220 is a magnetic particle brake designed for smooth torque control in applications such as tension control and load simulation. It has a torque range of 4 to 220 lb.-in., a maximum RPM of 1000, and dissipates up to 110 watts continuously. The case temperature must not exceed 160 degrees F, and the maximum overhung load is 120 lbs. The shaft inertia is 29 × 10⁻⁴ lb.-in.-sec². Response times are 190 ms unforced and 95 ms forced. Weight is 21 lbs. Rated coil voltages are 12 VDC, 24 VDC, and 90 VDC, with corresponding coil resistances of 7.9 Ω, 31 Ω, and 375 Ω. A constant-current DC supply is recommended for precise torque control. The brake must be grounded and installed with a flexible coupling to prevent mechanical stress.
Placid magnetic particle brakes, also called powder brakes and mag particle brakes, provide smooth and repeatable torque control. Torque is proportional to input current, and independent of shaft speed, thereby allowing for precise control. These self-contained magnetic particle brakes are ideal for tension control, load simulation, and soft stops. Some large units are available with fan or pneumatic cooling. Torque rating from 1 oz.-in to 300 lb.-ft.
| Placid Industries | |
|---|---|
| Product Category | Electric Brakes |
| Product Number | B220 |
| Product Name | B220 Magnetic Particle Brake |
| Speed | 1000 rpm |
