MagnaShear Motor Brakes Eliminate Downtime and Costs for Maintenance and Adjustment

Force Control Industries MagnaShear™ motor brakes are maintenance-free, and require no-adjustment, so they virtually eliminate motor brake downtime and maintenance costs. The resulting increase in production time can bolster productivity, efficiency, and profitability for manufacturing plants of all types. With no adjustment or maintenance required, save for an annual oil change, these dependable motor brakes allow maintenance personnel to be tasked with other projects, thus allowing facilities to accomplish more work with fewer employees.

MagnaShear™ motor brakes employ oil shear technology which allows significantly longer service life in demanding applications like those with frequent start/stop cycles or where the motor is reversed each cycle. This lengthy life eliminates the need to stock spare brakes, friction discs, and other repair components, freeing up maintenance budgets and shelf space. Oil shear technology transmits torque between lubricated surfaces – thereby eliminating wear on friction surfaces. A patented fluid recirculation system dissipates heat – eliminating heat build-up which is the most common problem in dry braking systems. Elimination of the wear significantly increases service life and virtually eliminates adjustment which also elongates maintenance intervals.

The totally enclosed MagnaShear™ brakes are impervious to moisture, dirt and dust that is common in many manufacturing environments. Furthermore, the oil shear technology provides a smooth “cushioned” stop which reduces shock to the drive system, thus extending service life of downstream components.

How Oil Shear Works

Unlike dry brakes, oil shear technology includes a layer of automatic transmission fluid between the brake disc and the drive plate.  As the fluid is compressed, the fluid molecules shear – thus imparting torque to the other side.  This torque transmission causes the rotating discs to decelerate against the stationary plates bringing them down to stop.  Since most of the work is done by the fluid particles in shear, wear is virtually eliminated.  Elimination of wear also eliminates the need for adjustments which are common for dry braking systems.

In addition to transmitting torque, a patented fluid recirculation system helps to dissipate heat which is the major problem with traditional dry brakes.  Along with heat removal and torque transmission, the fluid serves to continually lubricate all components of the oil shear brake, elongating their service life.  MagnaShear™ brakes with oil shear technology provide significantly longer service life, characterized by virtually maintenance-free operations.

Suitable for a Wide Range of Motor Sizes

These proven motor brakes are available to accommodate a wide range of applications.   Spring set torque ratings from 3 to 1250 foot-pounds are available.  MagnaShear™ motor brakes are available in multiple torques for the same motor frame.

MagnaShear™ motor brakes feature “quick mount” features for quick and easy mounting to drive motors in NEMA frame sizes 56 to 449.  They are shipped ready to install, with no assembly or adjustments required.  They are also available pre-mounted on a motor for severe duty applications.  MagnaShear™ motor brakes can be furnished to fit a NEMA or IEC frame motor, as a complete motor and brake assembly, or to mount on a machine frame or other special mounting configuration.

These proven motor brakes are totally enclosed from outside contaminants, with seal integrity for harsh and washdown environments.  A modular design /assembly allows for ease of servicing and maintenance.

Headquartered in Fairfield, Ohio, Force Control Industries is the world leader in oil shear technology, offering a full line of clutches, brakes, and clutch brakes for OEMs in diverse applications.   Their manufacturing campus includes three manufacturing facilities with over 100,000 square feet of manufacturing space along with engineering, design, customer support and administrative offices.  For additional information contact Force Control Industries, Inc., 3660 Dixie Highway, Fairfield, OH  45014, or visit www.forcecontrol.com, e-mail sales@forcecontrol.com, or call (513) 868-0900.

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