Placid Industries - - Magnetic Particle Brakes, up to 25 Newton-meters torque.

Magnetic Particle Brake - Specifications

   graphic  Larger brakes
up to
400 Newton-meters.
available.		   clutch photo
Torque range = 0-0.7  to 2500 Newton-cm.

View in inch units
Brake photo Typical applications:
  • Adjustable tension - for unwinding (payout) webs
  • Load simulation - for testing stepper motors, gear motors and mechanisms
  • Soft stops

The cross-section drawing shows how brakes work.
graphic

Mount with shaft in any orientation.
Models B5Z-1, B150-H, B1-2  

Torque Curve Torque is -
  • Proportional to input current
  • Independent of RPM

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 won't rotate.
When the load torque is increased, the brake will slip smoothly at the torque level set by the coil input current.


Use the sizing information to select the proper brake.

Magnetic Particle Brake Specifications, Metric
MODEL

Click p/n
to view
photo
image		 Torque
Range

(N-cm)		 Input
Electric
Power
(Watts)
image		 Shaft Inertia
(kg-m2)		 Slip Heat
Dissipation

(Watts)		 Overhung
Load, Max.

(Newtons)		 Max.
RPM		 Weight

(kg.)		 Data Sheets
image PDF logo
B5ZD 0.03 - 0.7 1.5 1.2 x 10-8 1.5 3 4000 0.09 B5ZD data sheet
B5Z 0.07 - 3.5 1.8 x 10-8 2 3500 B5Z data sheet
B1 0.45 - 11 2 1.2 x 10-7 3.5 18 3000 0.27 B1 data sheet
B2 0.85 - 28 3 6.2 x 10-7 8 22 2500 0.45 B2 data sheet
B6 2.3 - 68 4 2.6 x 10-6 15 110 2000 0.9 B6 data sheet
B15 3.4 - 170 6 3.8x 10-6 20 1.1 B15 data sheet
B35 7 - 395 9 1.4 x 10-5 30 220 1800 1.8 B35 data sheet
B60 12 - 680 8 5.1 x 10-5 50 450 3.2 B60 data sheet
B115 29 - 1300 13 6.9 x 10-5 55 500 3.6 B115 data sheet
B150 34 - 1700 1.7 x 10-4 80 1300 5.5 B150 data sheet
B220 45 - 2500 18 3.3 x 10-4 110 1000 9.5 B220 data sheet
Larger brakes, up to 300 lb.-feet torque, available.

Available in 6, 12, 24, & 90 volts D.C.
The Brake Coil Specifications Chart shows rated current & coil resistance.

Brake Dimensions

Magnetic Particle Brake Drawings

Click shaft size to view drawing.
MODEL image  DRAWINGS
  Solid shaft  (O.D.)     Hollow shaft  (I.D.)  
  image     image     image  
B5Z,  B5ZD 3.172mm  (1/8") 3.172mm  (1/8") -
B1 4.760mm  (3/16") 4.760mm  (3/16") -
B2 6.342mm  (1/4") 6.342mm  (1/4") -
B6 9.517mm  (3/8") 9.517mm  (3/8") -
B15 9.517mm  (3/8") 9.517mm  (3/8") 9.517mm  (3/8")
B35 12.692mm  (1/2") 12.692mm  (1/2") 9.517mm  (3/8")
B60 19.043mm  (3/4") - 12.751mm  (1/2")
B115 19.043mm  (3/4") 12.751mm  (1/2")
B150 19.043mm  (3/4") 19.043mm  (3/4")
B220 19.043mm  (3/4") 19.043mm  (3/4") 22.276mm  (7/8")
Larger brakes, up to 400 Newton-meters torque, available.
Dimensions - millimeters (inches)
   PDF icon
Download
1 page summary sheet
in PDF format
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Brakes
B5Z through B220
are proudly
Made in U.S.A.
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