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Electroid Clutches and Brakes
Since its founding in 1949, Electroid has been the acknowledged leader in the design and manufacture of exceptionally high quality electromagnetic clutches, brakes, and related products for rotary motion control. Electroid products are in every aerospace platform from the F-22 to the Space Shuttle. A division of Valcor Engineering Corporation, Electroid is ISO 9001-2000 certified.
Electroid Offers:
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View the complete Electroid Catalog |
- Power-On Clutches, Brakes and Modules
- Power-Off (Failsafe) Clutches, Brakes, and Modules
- Slip Clutches, Brakes, and Clutch/Brake Modules
- Bi Stable (Pulse Operated) Brakes
- EBM Series Brake Motors
- Permanent Magnetic Brakes
- A/C Motor Brakes
- Magnetic Particle Drives
- Reversing Drives
- Power Supplies
Power-On Clutches and Brakes
- Clutches from 1 lb-in to 1,800 lb-in to transmit power between parallel shafts (clutch) or inline shafts (clutch/coupling)
- Fast response
- Zero backlash
- Brakes from 1 lb-in to 10,500 lb-in
- Fast Response
- Available with zero backlash armatures
- Brakes for stepper/servo motors
- NEMA 23, 34, and 42
- IP 65 rating (splash and dust proof)
- Zero backlash
- High speed, high torqu
- Very low inertia
- Fast response
- Clutch/Brake Modules
- Standard (power-on) clutch and standard brake combinations from 5 lb-in to 600 lb-in (up to 1800 lb-in for foot mounted model)
Power-Off (Failsafe) Clutches and Brakes
- Spring set brakes from 1 lb-in through 1,100 lb-in
- Available with torque adjustment and manual release lever
- Spring set AC motor brakes from 6 lb-ft to 55 lb-ft
- Extremely fast response (4 ms)
- Adjustable torque
- Manual release lever
- Permanent magnet brakes and clutches from 1/3 lb-in through 4,000 lb-in
- Torque-to-weight ratio up to 5x that of spring set designs
- Response time at least 30% faster than that of spring set designs
- Clutch/Brake Modules
- Standard clutch and power-off (failsafe) brake combinations from 15 lb-in clutch and 10 lb-in brake to 600 lb-in clutch and 200 lb-in brake
- Single coil models available from 15 lb-in clutch and 6 lb-in brake to 600 lb-in clutch and 150 lb-in brake
Slip Clutches, Brakes, and Clutch/Brake modules:
- Magnetic particle type clutches, brakes, and modules from 2 lb-in to 120 lb-in
- No wear adjustments required
- Torque is independent of slip speed
- Friction type clutches and brakes from 0.5 lb-in to 150 lb-in
Bi Stable (Pulse Operated) Brakes
Bi stable brakes from 0.75 lb-in to 35 lb-in for battery powered or low current supply applications
- Do not require current to maintain either “ON” or “OFF” position
EBM Series brake motors
- True AC Failsafe Brake combined with a reliable motor
- Up to 20 times longer life than traditional AC brake motors
- Failsafe (power-off) response time of 5 ms
- Power range of ½ hp through 10 hp
- Brake torque range of 2 lb-ft through 55 lb-ft
R.M. Hoffman Company Custom Applications:
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| Brake Assembly, Precision Gearbox and Spring Set, 2 Designs | Brake, Modified Spring Set |