THE ORIGINAL MAGNETIC PARTICLE SPECIALISTS

Comparison of Magne vs Standard Industrial Clutches and Brakes
0-10 Rating Scale

CLUTCH OR BRAKE CHARACTERSITICS MAGNECLUTCH
MAGNEBRAKE
FRICTION DISC
MAGNETICALLY
ACTUATED
FRICTION DISC
MACHANICALLY
ACTUATED
FRICTION DISC
OR TUBE
AIR ACTUATED
HYDRAULIC EDDY
CURRENT
MECHANICAL
PARTICLE
Ability to produce torque art zero slip 10 10 10 10 0 0 10
Normal running efficiency (mechanical) 10 10 10 10 8 8 10
Torque adjustability while running 10 8 7 5 0 9 0
Torque repeatability 10 6 5 7 7 9 8
Torque stability over variable speed range Independent of speed
10
Torque reduces as speed increases
7
Torque reduces as speed increases
7
Torque reduces as speed increases
7
Non-linear
5
Non-linear
5
Torque increaes as the square of the speed
7
Torque limiting ability 10 6) 6 7 4 5 7
Ability to block shock transfer to load or prime mover 10 5 5 6 8 10 6
Acceleration Control 10 6 6 6 5 9 5
Torque stability over time 9 7 7 7 9 9 8
Ability to utilize entire torque range 9 7 7 7 7 9 9
Torque range available commercially 9 8 9 9 9 10 2
High speed response capability 9 8 8 6 6 9 2
Durability/Life expectancy 10 7 7 7 8 9 9
Ease of field repair 9 9 7 6 5 9 9
Freedom from periodic mainenance 9 5 5 5 7 9 5
Drag torque 4 9 9 9 4 9 3
Heat dissipation characteristics 4 4 3 5 8 5 5
Ambient temperature capability 4 4 4 2 1 1 1
Avoidance of grab, chatter or sticking on start or stop 10 5 5 8 8 10 8
Resistance to wear under normal use 5 2 2 2 7 8 0
Volume for unit torque 8 2 1 3 7 8 4
Weight for unit torque 7 2 1 3 5 7 5
Remote control capability 10 10 3 10 0 10 0
Auxillary equipment needed 2 2 3 4 4 2 0
Control power needed 1 1 2 2 0 3 0
Approximate selliing price 5 5 4 5 5 8 5
Type of actuation Electrical (DC) Electrical (DC) Mechanical Air Hydraulic Fluid Electrical (DC) Centrifugal