Sjogren Industries, Inc. - Worcester, MA
Manufacturer, Custom Manufacturer
Manufacturer of standard and custom magnetic and permanent magnet tensioning brakes. Brakes such as hysteresis tensioning brakes and hysteresis tensioning feed-back. Tension breaks are suitable for use with applications such as spooling, winding, wrapping, tightening and machining operations. Capabilities include CNC horizontal and vertical milling, CNC turning, horizontal and vertical turning, ID/OD grinding, jig boring/grinding, surface grinding, blanchard grinding, coordinate measuring machine inspection and assembly.
Brand Names: Sjogren
www.sjogren.com/products/bc/index.html

BDI - Locations
Distributor, Custom Manufacturer, Service Company
Distributor of a large selection of magnetic, electromagnetic & permanent magnet brakes supplied with linings fully burnished for robotics, escalators & forklifts application. Features include wall mounted, friction material available & fully epoxy-potted coils & available in different voltages. All major brands represented.
Brand Names: Hilliard, Kebco, Lenze-AC Tech, Warner Electric
www.bdi-usa.com/Electrical-Power-Transmissi...

Dura Magnetics, Inc. - Sylvania, OH
Manufacturer, Custom Manufacturer, Service Company
Permanent magnets for braking systems, torque limiters/couplers & clutches. New designs or reverse engineer with 2D & 3D FEA/BEA modeling software. All industrial magnet alloys available; neodymium, ceramic & samarium cobalt.
duramag.rtrk.com/?scid=2359262&rl_alt=http%...

Master Magnetics, Inc. (The Magnet Source) - Locations
Distributor, Manufacturer, Custom Manufacturer
Permanent magnets for use in brake systems & other industrial & O.E.M. applications. All types & grades of magnetic materials.
www.magnetsource.com/

The Rowland Co. - Philadelphia, PA
Distributor, Custom Manufacturer, Service Company
Veteran-owned & HUBZone certified distributor & custom manufacturer of permanent magnet brakes. Electric clutch brakes are available. Types of brakes include permanent magnet holding brakes, electromagnetic power off brakes, combination permanent magnet electromagnetic brakes, permanent magnetic hysteresis brakes & permanent eddy current brakes. Applications include conveyors, wind turbines, winder/haulage, marine main propulsion systems, crane hoists, escalators/elevators, pumps, conveyors, bucket elevators, forging presses, car shredders, shears, slitters & grinding mills.
Brand Names: Ogura
www.rowland2.com/products/clutchesAndBrakes...

SEPAC, Inc. - Elmira, NY
Manufacturer, Custom Manufacturer
Manufacturer of electromagnetic & permanent magnet brakes. Types include electromagnetic multiple disc brake, electromagnetic spring engaged brake, & spring applied electromagnetic multiple disc brake. Standard keyway depth tolerance is plus 0.010/minus 0.000. Overall lengths range from 1.77 in.-3.38 in. Magnet body is secured to wall or can be shaft mounted with torque arm. Designed to operate both dry & in oil. Conduit connectors, other leads, & terminations available. Custom products also available.
www.sepac.com/Brakes/Brakes/

Ogura Industrial Corp. - Somerset, NJ
Manufacturer
Manufacturer of permanent magnet and variable current hysteresis brakes. Variable current units have a variable output torque where permanent magnet brakes produce a fixed output torque. For higher torque applications, brakes can be combined to increase total torque needed. Worldwide manufacturer of electromagnetic clutches with production capacity over 30 million per year. Products are produced in 14 manufacturing plants worldwide and conform to ISO and other world quality standards.
www.ogura-clutch.com

H2W Technologies, Inc. - Santa Clarita, CA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of standard and custom single & double-sided linear brakes available with ceramic or rare earth permanent magnets. Brakes are available with thin conductive plate or fin to pass through U-shaped permanent magnet assembly & ambient temperature up to 50 degrees C. Magnetic brakes are suitable for baggage handling & people moving systems, inclined material transfer lines & amusement park rides. ISO 9001:2008 compliant.
www.h2wtech.com/Pages/Linear-Magnetic-Brake...

All Magnetics, Inc. (The Magnet Source) - Anaheim, CA
Distributor, Manufacturer, Custom Manufacturer
Permanent Magnets For Use In Brake Systems & Other Industrial & O.E.M. Applications. All Types & Grades Of Magnet Materials
www.allmagnetics.com/index.htm

Miami Magnet Co. (The Magnet Source) - Miami, FL
Distributor, Manufacturer, Custom Manufacturer
Manufacturer of magnets & magnetic assemblies. Materials include alnico, neodymium, samarium cobalt & ceramic. Magnetic tapes, holders, bases, blocks, discs, rings, clips, tapes, boards, labels, filters, latches, ribbons, rolls, sheets, sweepers, strips & hooks are also available. Magnets are used in point-of-purchase, industrial, retail, automotive, office, residential, material handling & OEM applications. Magnets are suitable for lifting, holding, separating, retrieving & releasing nails, screws, nuts, washers, eyebolts & ferrous metal items.
www.magnetsource.com

KEB America, Inc. - Shakopee, MN
Manufacturer, Custom Manufacturer
Manufacturer Of A Complete Line Of Motion Control/PT Equipment, Including: AC Drives, Vector Drives, Gearmotors, Servos, Electromagnetic Clutches, Brakes & Fail-Safe Brakes

Precision Torque Control, Inc. - Midland, MI
Manufacturer
Manufacturer of permanent magnet brakes for manual tension control. Features include stainless steel construction, bolt circles & adjustable knurled ring for torque setting. Specifications of clutches include heat dissipation range from 10 watts to 345 watts, bending moment range from 5 lbs.-in. to 50 lbs.-in. & maximum shaft dia. up to 1 1/4 in. Specifications of brakes include heat dissipation range from 3 watts to 345 watts, bending moment range from 1 lbs.-in. to 50 lbs.-in., maximum rpm up to 3,600 & maximum shaft dia. up to 1 in. Applications include shaft extensions, system retrofits, metric bores & keyways, fixed torque units & shaft bores. One year warranty available.

Gerwah Drive Components - Fayetteville, GA
Manufacturer, Custom Manufacturer
Manufacturer of keyless shaft/hub connections including locking assemblies, locking elements, shrink discs & rigid couplings for all industrial applications which may require easy installation & removal, zero backlash & high torque capacity. Shaft diameters of catalog types range from 6mm/1/4 inches to 200mm/8 inches, but sizes up to 1100mm/43 inches have been successfully installed. All Peter® products are designed & mfred. according to ISO 9001. Gerwah®: zero backlash servo couplings, torsionally elastic jaw couplings, torsionally stiff bellow & miniature couplings, torque limiters & safety couplings for overload protection, magnetic clutches. Peter® keyless shaft/hub connections. Technical assistance available.

The Permanent Magnet Co., Inc. - Indianapolis, IN
Manufacturer, Custom Manufacturer
Producers of cast, sintered, & formed permanent magnets of alnico, rare earth, cobalt, chrome & tungsten for all commercial & industrial uses.

Magnetic Technologies Ltd. - Oxford, MA
Manufacturer
Permanent magnetic tensioning devices for pay-off & torque limiting ranging from 0.04 In/Oz to 140 In/Lbs; disassembly & interchangeability; standard or custom made models to meet specific applications.

Maxcess - Camas, WA
Manufacturer
Manufacturer of permanent magnet clutches & brakes. Features include constant torque or torque proportional to speed. Permanent magnet clutches & brakes are used in tensioning, torque limiting, magnetic coupling & testing.
Brand Names: Magpowr, Perma-Tork

Grainger Industrial Supply - Locations
Distributor
Distributor of a wide variety of brakes & clutches. Services include 24-hour emergency order response services, inventory management services, safety services, repair and replacement programs, hazardous recycling services and storage/material handling equipment services. 1 year warranty.

Lenze Corp. - Fairfield, NJ
Manufacturer, Custom Manufacturer
Manufacturer Of Complete Line Of Mechanical & Electrical Power Transmission Equipment Including Constant Speed Gearmotors, Gearboxes, Electronic Drives & Servo Systems, Servomotors & Controllers, Brakes & Clutches. ISO 9000 Certified

MAGPOWR - Oklahoma City, OK
Manufacturer, Custom Manufacturer
Manufacturer of permanent magnet brakes. Features include capable of producing torque without external power source, constant torque with respect to speed, multi-pole magnets & precise torque adjustment. Permanent magnet brakes are available with different mounting options. Permanent magnet brakes are designed for use in light torque control applications. Permanent magnet brakes are UL® approved & CE certified.
Brand Names: Magpowr, Perma-Tork

Magtrol Sa - Buffalo, NY
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified. Hysteresis Models With Maximum Torque To 3200 OZ In, Speed Ranges To 30,000 RPM's Friction Units

Andantex USA, Inc. - Wanamassa, NJ
Distributor, Manufacturer
Manufacturer & distributor of permanent magnet brakes including electromagnetic particle brakes. External shaft brakes, through shaft brakes, through bore brakes, high torque brakes & output shaft brakes are available. Features of electromagnetic particle brakes include smooth torque transmission independent of slipping speed, torque control & adjustable current. Electromagnetic particle brakes are available in torque range from 0.005 lbs. ft. to 1000 lbs. ft. Brakes are designed for horizontal shaft use.