2015 Designer's Notebook - 123

B-5 Dimensions & Specifications

Dimensions (millimeters in shaded area)
A

B

C

D

F

G

L

O

P

R

AA

AB

AC

AE1

AE2

Key

B-5

4.25

2.97

4.25

#10-24

0.98

0.66

1.41

-

0.63

-

0.50

-

-

-

-

3/16 X 3/32

B-5A

5.25

5.75

6.63

#10-24

0.98

0.31

0.81

11.00

0.63

6.63

0.50

0.88

2.41

1.38

9.50

3/16 X 3/32

B-5

108.0

72.7

108.0

#10-24

25.0

18.7

34.4

-

15.88

-

12.7

-

-

-

-

4.8 X 2.4

B-5A

133.4

146.1

181.4

#10-24

25.0

12.1

44.5

274.5

15.88

22.2

59.6

34.9

242.9

4.8 X 2.4

163.2 12.7

Specifications (metric in shaded area)

Model

Rated
Torque
(lb-ft)
(Nm)

Heat Dissipation
at 1800 rpm
of Outer Member
Watts

hp

Non
Excited
Drag Torque
(lb-ft)
(Nm)

Inertia (WR2) of
Outer Rotating
Member
(lb-ft2)
(kg-m2)

WT
(lb)
(kg)

Coil Data
(90 VDC)

Time Constants
(Seconds)

Rated
Current

Ω@
20˚C

Current

Torque

B-5

5

133

0.18

0.17

0.011

7.0

0.22

268

0.07

0.10

B-5A

5

347

0.47

0.17

0.011

11.0

0.22

268

0.07

0.10

B-5

6.78

133

0.18

0.23

0.00046

3.0

0.22

268

0.07

0.10

B-5A

6.78

347

0.47

0.23

0.00046

5.0

0.22

268

0.07

0.10

Time constants are the time in seconds for current or torque to reach 63% of the final value after step function voltage is applied. "Rated current" is the
current which will occur from a 90 VDC input to the clutch when the unit is operated at its rated temperature (maximum heat dissipation). Non excited
drag torque and torque time constant measured at 1800 rpm. Axis of shafts must lie within 30˚ of horizontal. Brake mounting should be 'floating' type,
to prevent overloading bearings. Fan power requirements are 115 VAC, 60 Hz, 0.60 amp. Non-excited drag torque values represent a typical unit after a
few minutes of use. Drag torque in a new, unused unit may initially be higher.

Magnetic Particle Clutches & Brakes

123

Magnetic Particle Clutches & Brakes

Model



Table of Contents for the Digital Edition of 2015 Designer's Notebook

Table of Contents
2015 Designer's Notebook - Cover1
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2015 Designer's Notebook - Table of Contents
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2015 Designer's Notebook - Cover3
2015 Designer's Notebook - Cover4
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