Electric Motors Suppliers Electric Motors 101 Electric Motors Articles

The Electric Motors Reference Center, from Machine Design, is designed to provide design engineers with the information they need to specify or purchase electric motors including: AC motors, DC motors, stepper motors and servo motors. The Electric Motors 101 section includes reference information about the various types of motors and the selection criteria and requirements used for typical mechanical engineering applications.

 
Minimotor relies on piezoelectrics
 
Brushless dc motor uses slotless design
The brushless, slotless dc motors from Xtreme Energy, St. Petersburg, have all the advantages of slotless, brushless technology...
 
Linear motor provides alternative to leadscrew positioning
The linear motor develops its drive force through interactions between fixed and electrically generated magnetic fields.
 
Power management boosts solenoid-valve performance
Next-generation solenoids draw less power and produce more force.
 
Segmented stator for extra torque
The new SLG Series of rotary servo gearmotors from Exlar features segmented motor stators for higher performance.
 
Linear motor delivers precise, nimble automation
Many OEMs and automation-equipment manufacturers are turning to linear motors rather than leadscrews for linear motion. This eliminates all belts, chains, gears, and the need to convert rotary into linear motion. Linear motors also eliminate wear, cogging, and backlash.
 
Mighty motors
Permanent-magnet synchronous motors eliminate gearboxes.
 
Torque motors do the trick
Direct-drive technology seems to be an ideal way to increase productivity, accuracy, and dynamic performance. It can also lower costs, simplify designs, and reduce wear.
 
Flattening the motor
Researchers at Penn State have developed a motor that can be built as thin as a CD case.
 
The coaster with the moster
Hydraulic propulsion rockets the world's tallest, fastest roller coaster up a 420-ft megahill.
 
The motor's in the wheel
Engineers at Assembled Products Corp., Rogers, Ark. (www.assembledproducts.com), needed a way to propel their line of electric shopping carts both forward and reverse.
 
Motion Control - A shortcut to sizing motors
Motor constant aids in selecting dc motors in motion-control applications.
 
Servomotor, controller, amplifier in one
The SmartMotor integrates a brushless dc servomotor, controller, and amplifier in one package.
 
Good positioning
Magnetostrictive position sensors are poised to lower the cost barrier in medical appliances, mobile hydraulics, and industrial automation.
 
Finding the needle in a haystack
Dc motors from Maxon Precision Motors, Burlingame, Calif. (www.maxonmotorusa.com), use moving coils.
 
Shorter is better in compact pick-and-place design
Integrated servogearmotors from Bayside Motion Group, Port Washington, N.Y. (www.baysidemotion.com), let a maker of high-capacity storage systems quickly transfer bar-coded sample trays.
 
Gas-powered oil-well pumps: Electric clutch makes them practical
Typical oil-well pumps use an electric motor to drive a gearbox and lever.
 
Linear motors drive all axes
The new VL 50 from Mitsui Seiki USA is said to be the first vertical machining center using linear motors on the X, Y, and Z axes.
 
Low-cost linear motion
Design engineers adding a linear-motion system to production machines having a rotary-drive motor, such as a conveyor, no longer need to worry about an expensive redesign.
 
Decentralized motor control simplifies installation
Decentralized control from SEW-Eurodrive, Lyman, S.C. (www.seweurodrive.com), takes advantage of motor-installation provisions in NEC code (Article 430.53 (c))to use fewer branch circuits, which reduces costs and installation time.
 
Motors made to order
Engineering changes are a fact of life for most any design project. However, when redesigns lead to the need for custom-made products, delivery can fall hopelessly behind schedule.
 
Motors bring Mars mission to life
Small, efficient motors help NASA search for signs of life on the Red planet.
 
Microstepping myths
The lure of microstepping a stepper motor for precision must be tempered by torque considerations.
 
Testing motor brushes for space
NASA considers several qualities of motor-brush materials when determining suitability for a given mission. Among the most important are the wear rate and the cohesiveness of the debris. Engineers note if there's a tendency for brush debris to pack into commutator slots.
 
Maybe they'll change their name to General Wheel Motors
General Motors Corp. hopes wheel-hub motors will make advanced-technology vehicles more palatable to consumers. The idea: Put one in each rear wheel on a front-wheel-drive, four-cylinder vehicle.
 
Managing multiaxis motion
Servodrives synchronize rotary and linear movements.
 
Smaller, more powerful motors and generators
Most motors and generators use stator cores made of silicon iron, which places upper limits on their operating frequencies. Engineers at Light Engineering Inc. build their motors and generators with critical components made of amorphous metal or nanocrystalline materials.
 
Drives cut downtime
Ac drives relieve dc motor and drive service issues.
 
Torque limits prevent overloads and jams
Torque overloads and jammed conveyor belts can damage gear reducers, motors, and anything on the conveyor belts.
 
Motor control made easy
Today's power and motor-control systems need to be flexible and intelligent, especially when it comes to complying with the increasing trend of cutting power costs on the millions of motors used in consumer and industrial products. A new line of motor-control chips can help designers reach those goals.
 
Brushless servos keep inertia low
Brushless dc servomotors from Servo Magnetics, Canoga Park, Calif. (www.servomag.com), come in 22 and 36-mm frame sizes. Motor lengths can be customized to meet specific requirements in X-Y positioning tables, semiconductor manufacturing equipment, high-speed servomechanisms, flow-control valves, and other industrial-process equipment.
 
Products simplify motion design
Several new motion-control products from National Instruments, Austin (www.ni.com), promise to simplify motion-control system design. Chief among these is NI-Motion 6.0, driver software for distributed motion control based on Ethernet.
 
Gearmotors give users choices
Engineers can choose from industry-standard components to assemble the gearmotor they need from the 750 Series of ac and dc right-angle gearmotors from Bison Gear.
 
Modular gearmotor and reducers boost power density
The C Series of helical gearmotors and speed reducers from Bonfiglioli USA are more compact than their predecessors, yet have 60% more output torque.
 
Little modules make big difference in truck production
Power-distribution units from E-T-A Circuit Breakers cut nearly three weeks off the production of large mining trucks.
 
Software models motors in 3D
As an engineer working with electric motors and generators, I've kept an eye open for software that more completely analyzes these machines.
 
Compact servomotors offer torque and acceleration
The Kollmorgen AKM Series of servomotors from, accommodate seven frame sizes, 25 stack/frame combinations, 77 different windings, and 19 mounting options.
 
Drives take on many motors
Volts/Hertz ac drives feature isolated front ends and come in NEMA-4X aluminum enclosures.
 
More power to servodrives
Allen-Bradley Kinetix 6000 digital servodrives feature expanded power ranges of 1 to 11 kW for 230-V units and 2 to 22 kW for 460-V units.
 
Servo serves up plenty of torque
The TG2300 Series of brushless dc servomotors boast peak torque to 574 oz-in. at speeds to 7,200 rpm.
 
Parallel Shaft Gearmotor
PS1900 parallel-shaft gearmotors are available in 14 gear ratios ranging from 5:5 to 320:1, with torque ratings to 125 lb-in.
 
Catalog Features AC/DC Motors And Drives
A new 124-page catalog features detailed specifications on Minarik Drives full line of ac, dc and brushless motors and drives, gearheads and accessories.
 
High-Res Stepmotor Driver
The SND100 is a two-phase nano driver for stepmotors. It is a unipolar constantcurrent 24-Vdc stepper driver developed specifically for applications in OEM machine-building and semiconductor processing equipment.
 
High-Torque Brushless Servo
The TG2300 Series NEMA-23 Frame brushless dc servomotor provides a peak torque of 574 oz-in. for quick acceleration and deceleration of heavy loads to 7,200 rpm.
 
Motors handle dirt and water
The food and beverage industries, along with pharmaceutical companies, need reliable motors that withstand harsh everyday use and frequent chemical cleanups.
 
Spacers keep balls in line
Ball screws often have trouble delivering extremely fine movement and slow motion, like moving 1 m m/sec.
 
Test-table uses hydraulics
Manufacturers routinely put products through torture tests that try to replicate the worst possible conditions the product will ever see.
 
China ups the motor ante
China's motor manufacturers are well versed in small, standard motors. Now they're setting their sights on steppers and servos.
 
Motor wiggles while it works
Building small motors out of magnets, coils, and solenoids is difficult and expensive, and the resulting motors are not that powerful, precise or efficient.
 
A stepper motor steps down in size
The ADM 0620 two-phase stepper motor from MicroMo Electronics Inc., a company within the Faulhaber Group based in Clearwater, Fla., sets a new standard for compactness.
 
For Precise Control, This Stepper Is Better
A 0.9° stepper motor provides more precision than 1.8° steppers.
 
Brushless Motor
The Faulhaber 4490 brushless motor is available in the original delta-wound and the new starwound versions.
 
Animatics, Quicksilver bury the hatchet, settle patent suit
A five-year legal battle over integrated servomotor technology is over. A hotly contested patent case involving Animatics Corp. and Quicksilver Controls Inc. has been resolved, completely settling out all parties and ending the related litigation.
 
Fully Integrated Stepmotor
The ServoStep is a fully integrated motion-control system designed around stepmotor technology.
 
Stepmotor Driver IC's
The A3980 is a stepper-motor-driver IC particularly suited to automotive applications.
 
Brushless Motor
The CMG Silicon Series motor, with an integrated electronic commutator,
 
Vector Control Inverters
The SJ200 Series of inverters employs sixth-generation sensorless vectorcontrol technology.
 
Piezoelectric Motor
The ST Series piezoelectric motor is said to be the smallest of its kind, with an overall length 9 mm less than its predecessor.
 
Two-Phase Stepper Motor
Joining the company's ARSAPE product line is the ADM 0620 stepper motor.
 
Compact DC Motor
Low-inertia, outer-rotor brushless dc motors combine precision stability
 
Integrated Drive/Stepper Motor
The Integral E is an integrated drive and stepper motor designed for high-tech applications. It targets high-precision motion-control requirements of the life science and electrical industries as well as applications where space is limited.
 
Linear/Rotary Dual-Motion Actuator
The Size-14 linear/rotary dual-motion actuator can move its output shaft with incremental rotational and linear.
 
Piezomotors For Linear Or Rotary Motion
The HR Series of piezoelectric motors range in size from a single-element (0.45 kg of force) to an eight-element (3.6 kg of force) motor capable of driving both linear and rotary stages.
 
Compact BLDC Blower
A high-speed 24-V brushless dc blower features embedded drive and commutation electronics.
 
'Low-surge' inverters
New circuit topology lets ac servodrives keep a lid on surge voltages that can otherwise shorten motor life.
 
Tiny micros open new frontiers
Microcontrollers keep shrinking, and the newest models are displacing old mechanical methods in a variety of applications.
 
Software sizes linear motors and drives
Sizing linear motors and drives for motion-control jobs can be done by crunching through a few dozen equations on a calculator, or in a lot less time with the Parker Linear Sizing & Selection Tool.
 
Cables For Plug-And-Play Servos
The Add-A-Motor serial-configuration cable works with SmartMotors to an off-the-shelf servosystem ready to plug and play.
 
Mini DC Drives
With an 8-mm-diameter OD, this new family of mini drives provides maxi power when used in combination with DC-Micromotors, with precision gearheads and micro-encoders.
 
Linear Steppers Go The Distance
A 20-mil pitch X-Y linear stepper motor features microstep resolutions of 1 µm.
 
Linear Servomotors
AL2400 and AL2800 Series of linear servomotors includes two motors with a peak force of 120 or 240 N.
 
High-Torque Motor
The PM108 1/3-hp dc motor runs at 2,500 rpm at 90 Vdc with 130 lb-in. of start/stall torque.
 
Thin Steppers Are In
Model 3609Z 0.9° stepper motors are 36 mm in diameter, 12-mm thick, and weigh 1.7 oz with a holding torque of 4 oz-in.
 
Mini Brushless DC Gearmotor
The LB16-120-BB miniature brushless dc gearmotor features an integral speed control for use in industrial and office automation machines.
 
Mini Motors Don't Cog
LEU-Series ironless core, brushless linear motors generate 26 lb of peak force and are just 18-mm wide.
 
Tiny Motors Get In Gear
The 12GN-Series of 12-mm geared micromotors measure 12 X 10 X 29 mm with 300 mNm of starting torque and 20 mNm at rated load.
 
Hollow-Bore Gearmotors
H Box Hollow Bore Gearmotors feature a 1.00-in. hollow output shaft that can be connected directly to the driven load.
 
A CAD For Motors
Motor-CAD V2 features several new machines and a range of improvements.
 
Brushless Motion Controllers
The MC73110 brushless-motor-control IC developers kit consists of a circuit board and software that lets designers evaluate motorcontrol ICs and high-performance brushlessdc motor controllers.
 
Servo On A Chip
Control of ac servomotors can now take place on a single IC.
 
New Ultra-Compact Servo Motors Deliver Maximum Power
Rexroth's new IndraDyn S series of synchronous servo motors are completely scalable in power, performance, and precision to meet the specific requirements of your application. Each motor pole is individually wound prior to stator assembly to eliminate end turns and maximize copper content; this provides the greatest power output in the shortest possible motor design.
 
Linear Actuators
The GSX Series linear actuator is a brushless servomotor, an inverted planetary roller screw, and an encoder/resolver feedback source combined into a single assembly.
 
Motor sizing made simple
The proper sizing of three-phase induction motors saves energy and reduces downtime.
 
Basic Physics For Drive-System Engineers
Here's a primer on physical considerations for sizing motors and drives.
 
Linear Positioner Uses Stepper Motor
The EZ Limo EZS and EZHS motorized sliders are linear positioners driven by stepper motors and ball screws.
 
DC Gearmotor
This dc gearmotor measures 37-mm diameter by 61-mm long. Powered by any 12-Vdc source, the motor has a 400:1 gear ratio and produces continuous 94-oz-in. output torque at 0.5 A.
 
Servomotor Has Sine-Absolute Encoder
AKM servomotors incorporate high-resolution sine-absolute encoders for position and velocity feedback.
 
Dynamics of Hybrid Stepper Motors
Steppers position precisely if loads are stable and speeds stay below 1,000 rpm.
 
Motor makes like a stage thanks to novel encoder
A servomotor mimics the performance of much more expensive rotary stages with help from a superhigh-res encoder having a tiny Z height.
 
Ultracompact Servomotor
The IndraDyn S Series of synchronous servomotors use motor poles individually wound prior to stator assembly to eliminate end turns, maximize copper content, and provide the greatest power output in the shortest possible motor design.
 
Coreless DC Motor
The Faulhaber 0615 6-mm-diameter coreless dc motor is available with a matching diameter planetary gearhead.
 
Rad-Hardened Servos
RH Series radiationhardened brushless servomotors are designed to accommodate rapid acceleration/deceleration
 
Synchronous Motors
The RG Series torque-limited synchronous motors use a magnetic hysteresis coupling between the rotor and output shaft to product constant torque when stalled.
 
ATEX Approved Rotary Position Systems from BEI Save Time
A complete rotary position and speed sensing system from BEI Industrial Encoder Division meets international CENELEC/ATEX hazardous environmental ratings.
 
Smallest Ultra-compact Servo Driver released
Smallest, easy to use, off-the-shelf driver/controller speeds development, lowers cost for integrators.
 
Stepper Driver with Built-In Translator
The A3982 is a bipolar stepper motor drive with DMOS outputs rated at 35 V and ±1.5 A (2 A peak).
 
Brushless DC for harsh environments
The new 000308-02 low cogging brushless DC kit motor from Servo Magnetics Inc. is designed for applications that are sensitive to torque ripple.
 
New Brushless DC Motor Controller
The new 371-0028 brushless DC motor controller from Servo Magnetics Inc. provides 1000 watts of power in an amazingly small footprint of 3.00"W x 4.65"L x 1.75"H.
 
New five-stage insulation system
A new 5-stage insulation system is designed to meet NEMA MG 1-1993, Section IV, Part 31. These products consist of all new motor and gearhead combinations for maximum output power in the smallest package. Applications for the new inverter duty gearmotors include factory automation, machine tools, conveyors, and material handling and packaging.
 
New Hollow Pancake Stepper Motor
Haydon Switch & Instrument, Inc. (HSI) has created a hollow pancake stepper motor with a 2.5 inch hole in the center for a microwave tube, designed for applications where accurate positioning and high torque are desirable characteristics.
 
Selecting a liquidlevel float switch
Following a few basics puts the right switch in the right application.
 
Microstepping Motor Driver
The A3979 microstepping motor driver operates bipolar stepper motors in full, half, quarter, and sixteenth-step modes, with output drive capability of 35 V and ±2.5 A. It is a drop-in replacement for the A3977SLP with 16 microsteps/step resolution.
 
Direct-Drive Frameless Motors
Direct-drive frameless motors in the ULT line come in sizes up to 355 mm with a 200-mm through hole and peak torques from <1 to 1,000 Nm.
 
Brushless Vibration Motors
The LVB10 dime-sized brushless vibration motor is 0.394 in. (10 mm) in diameter and 0.134 in. (3.4 mm) in length.
 
Miniature Digital Servodrive
The Whistle digital servodrive weighs 1.76 oz and measures 2 cu in. yet delivers up to 500-W continuous (1-kW peak) power at 99% efficiency.
 
Voice-Coil Actuator Has Long Stroke
The VM2436 voice-coil actuator provides bidirectional linearity over a maximum linear stroke of 0.59 in.
 
Spa And Pool Motor
The single or two-speed EZ48TM pool and spa motor line is now available with C-flange or square-flange mounting in 0.5 to 1.5 hp.
 
Ultraflat DC Motor
Two ultraflat dc motors are 15 and 26 mm in diameter and 5 to 7-mm long.
 
IP65-Rated Stepmotor
A splashproof seal added to the Size-23 and Size-34 AS Series of motors results in a new IP65 rating with dustproof and splashproof capabilities for the αstep line.
 
Linear Synchronous Motor
The QuickStick 100 linear synchronous motor joins the QuickStick 500 to handle smaller vehicles with shorter headway between vehicles for assembly automation and material-handling applications.
 
Canbus Added To Motion Controller
The Silverdust IGB servomotion controller/driver now adds a CANOpen interface to NEMA-17 and 23 frame stepmotors.
 
Compact DC Cooling Fan
Available in 12-V G and J-speed models, the new San Ace 40GV cooling fan measures only 40 X 40 X 28 mm (1.57 X 1.57 X 1.1 in.).
 
Gas-powered electronics
Your next computer may run on gas — hydrogen gas, that is, as fuel-cell power comes to portable electronics.
 
Feedback on speed
A novel process offers an inexpensive way to monitor the speed of small permanentmagnet motors.
 
24-VDC Gearmotor
This 24-Vdc gearmotor is 8.5-in. long and 3.2 in. in diameter with a 19-mm keyed output shaft that is 40-mm long.
 
Inductive motor encoder
The ME Series uses inductive sensor technology in a high-speed, high-precision rotary position encoder.
 
Variable speed AC drives
The Telemecanique Altivar 71 variable-speed ac drive sports dual microprocessors running motor-control algorithms.
 
AC drive for HVAC
S-Flex enclosed ac drives are said to significantly reduce the cost of providing coordinated motor control for variable torque pump applications.
 
Where five phases excel
Resolution, vibration, torque, accuracy, and synchronism are all factors when applying two and five-phase stepmotors.
 
Micro moves
Motors that can precisely position loads with micrometer-scale accuracy are now inexpensive enough for consumer electronics.
 
VFD Cables For Industrial Motors
Designed for use on larger, more-powerful ac motor drives, five VFD cables extend the product range from Size 1 to 4/0 awg.
 
Sterilizible 16-mm Brushless Motor
Maxon's new "EC-16" sterilizible brushless motors deliver the performance and lifetime of a brushless motor in a sterilizible package.
 
Prime-ratio steppers
A new stepmotor design boosts efficiency and reduces noise and vibration.
 
Variable-Frequency AC Drives
The VariFlex Series of ac drives handle general-purpose three-phase motor-control applications
 
Pint-Sized Servomotor
The MM Motor is a small industrial servomotor that provides unlimited linear or rotary motion with 0.17 N of driving force and velocity up to 250 mm/sec.
 
When accidents are unusual but foreseeable
Before a manufacturer can be held responsible for an accident, there must be proof the occurrence was reasonably foreseeable.
 
Getting torque-to-inertia right
The case of a pulsating-load testing machine shows how to ballpark qualities that are important for deploying electric motors.
 
"What dreams may come"
Concept cars take the runway at the industry's premier show in Detroit.
 
Energy-saving motors
Surveys indicate that people buying motors that they plan on using for the next 20 years can expect to pay 50 times the purchase price in electricity.
 
Brushless DC Gearmotor
Series 1307...BH and 1309...BH brushless gearmotors have photolithographically produced rotors, which allows for precise synchronous operation without cogging.
 
Dc motor impersonators
Special algorithms make ac induction motors respond like variable-speed dc motors for fast PID control.
 
Stepmotor, Driver, and Controller Combined
The IMC23 integrated stepmotor, driver, and intelligent controller is capable of 3-A peak of output current, 256 microstepping, 12 to 40-Vdc operation, and 294 oz-in. of holding torque.
 
Linear-Arc Motors
Combining the technology of disk-drive voice-coil motors with that of more traditional brushless linear motors, the LARC Series of limited-arc motors target large-diameter limitedangle positioning applications.
 
Stepper-Motor Modules
The stepper-motor module X67SM4320 controls up to four stepper motors with a rated voltage of 18 to 30 Vdc at a motor current up to 1 A (1.5 A peak).
 
Brush DC Motor
The SR15 high-performance brush dc motor is designed for X-Y positioning systems, medical equipment, pharmaceutical equipment, machinetool spindles, and centrifuge applications.
 
Severe-Duty Motor
The severe-duty line of motors targets chemical plants, foundries, pulp and paper mills, refineries, and other applications with severe-duty environments.
 
Stepmotor/Driver/Controllers
SilverPak 17T bipolar stepmotors integrate stepmotor, microstepping driver, and controller, eliminating the need for external equipment.
 
Linear-Type Stepper Motors
Linear stepmotors come with outside dimensions of 25 and 35 mm and have an enhanced neodymium magnet rotor for a large driving force.
 
Component-Class AC Drive
The Allen-Bradley PowerFlex 40P ac drive has encoder or pulse-train input that allows configured closed-loop control for improved speed regulation, basic position control, or other pulse inputs for motor control.
 
Stepper Motor For Small And Medium-Capacity Ranges
The AS1xxx Series stepper motors have current ratings from 1.0 to 5.0 A and torques ranging between 0.38 and 5 Nm.
 
Shaft-Grounding Brush
The Aegis SGR conductive microfiber brush prevents electrical damage to ac motor bearings and extends motor life by channeling harmful shaft currents to ground.
 
Linear-Slide Systems
The combination of MDrivePlus (integrated motor and electronics) with screw-driven linear slides provides superior linear speed and accurate positioning with smooth motion and low noise.
 
Two-Phase Stepper Motors
The PS211 Size-11 stepper motor achieves a nanospeed rate compliant to 2-Phase Nano Stepper Technology.
 
Key Selector Switch
The Allen-Bradley SensEject key-operated selector switch detects the presence or absence of a key in control equipment and automatically ejects the key, preventing inadvertent or unauthorized operation.
 
If you can't conserve energy, stay out of the kitchen
Superefficient appliances are washing and drying our clothes, cleaning the dishes, and even heating our homes.
 
MACHINE DESIGN partners with PARTsolutions to launch new 2D/3D CAD Library
Penton Media's Design Engineering group, anchored by Machine Design magazine, announced today that it has entered into a strategic partnership with PARTsolutions®, LLC, a leading provider of publishing solutions for 2D/3D digital parts catalogs, to launch the Machine Design CAD Library, a powerful, new resource for design engineers.
 
T-connect for steppers
A nontraditional wiring approach offers midspeed stepmotors high torque with low current.
 
Keeping cool
Embedded microcontrollers manage dc fans for better cooling while dissipating less energy.
 
12-MM DC Micromotor
The Series 1224...SR micromotor hits a high power-to-volume ratio through the combination of an ironless rotor and neodymium rare-earth magnets for a stall torque range of 5.43 mNm and speeds to 13,800 rpm.
 
Double Torque Motors
The SM2315DT Double Torque SmartMotor features an eight-pole compact rotor and high copper filling factor that results in high energy density, efficiency, and torque capacity.
 
Compact Underwater Turbine
Researchers at the University of Southampton turned an electric motor upside down to create a more efficient generator.
 
Double-Torque SmartMotor
The SM2315DT SmartMotor features an eight-pole compact rotor design, reportedly with a higher copper filling factor than conventional designs.
 
Stall Detection For Stepmotors
The Magellan 55110 single-axis, single-IC motion processor has automatic stall detection to alert users when a stepmotor has lost steps during motion.
 
Brushless Servomotors
MPN motors are designed to replace the now-obsolete N-Series motors recently discontinued by Rockwell Automation/Allen-Bradley.
 
Linear Motor Cranks Out 8.4 g
The QCI-L6 linear motor has full servo control and can accelerate loads at up to 8.4 g in closed-loop control and up to 1 g in open-loop control.
 
Brushless DC Motor Controls
The open or closed-loop 700BDC, 701BDC, and 703BDC brushless dc motor controls operate at 11 to 40-Vdc input and 5-A continuous load current.
 
Miniature Stepper Motor
The Series ADM1220 stepper motor has a power-off holding torque of 2.4 mN-m and achieves a high-boost torque of 4.1 mN-m.
 
Five-Phase Stepping Motors
The RK Series five-phase stepping motor and drive package features a smooth drive function that employs microstepping within the driver independent of the controller output frequency for low vibration and low-noise operation at low speeds.
 
PWM Motor Driver
The A3969 PWM motor driver is designed to drive bipolar stepper motors in full or half-step mode.
 
Brushless Motor
The electrically commutated EC-10 brushless motor is assembled with the coil outside the rotor for good heat dissipation and high-overload capacity.
 
575-VAC Motors And Drives
The Marathon Blue Chop XRI motor is available in 15 to 100-hp sizes and meets NEMA premium efficiency levels.
 
Fuel Cells for Lawnmowers
Since the discovery of the fuel cell in 1838 by German Scientist Christian Friedrich Schönbein, the principle of it has come a long way.
 
Brushless Motion Technology Study
The motion control industry is undergoing a period of worldwide consolidation and restructuring becuase more motion and control functions are being used in electronics and software.
 
Copper Motor Rotors Give Army Trucks a Boost
Four 140-hp electric motors power the latest generation of U.S. Army heavy expanded mobility tactical trucks.
 
High-Torque Stepper Motor
The SilverPak 23CE is a high-torque step motor, microstepping driver, controller, and optical encoder in one unit.
 
Electrifying Porsche
 

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