Motors Reference Materials
Reference Articles 701 - 758 of 758
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Soldering a copper wire, contactor assembly
Description: High intensity heat must be applied to the joint area for this application so that thermal conduction of the copper does not sink away the heat delivered from the induction process. ...
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Energy Efficiency: Exploring Energy Saving Capabilities in Gearmotors
From: Groschopp, Inc.Description: Unfortunately, energy efficiency is subjective; what is efficient in one company or in one application will undoubtedly be inefficient in another application, even if the specifications are similar. ...
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How To Calculate Your Torque Constant
From: Groschopp, Inc.Description: The torque constant, Kt, of a motor is a very useful parameter for sizing and controlling motors showing a linear speed/torque relationship. Both DC brush type and brushless motors exhibit this linear ...
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How To: Reduce Noise Output from a Brushed Motor
From: Groschopp, Inc.Description: Noise is often the single toughest challenge faced by design engineers when developing products, especially in medical applications. The inherent noise issue with many types of motors is the brushes. ...
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Proper Motor Brush Selection When Brush Life is a Concern
From: Groschopp, Inc.Description: One of the most critical parts of this type of motor is the interface between the brushes and the commutator. Poor material selection and improper design considerations can affect both the life and ...
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Selecting a Gearmotor in 4 Simple Steps
From: Groschopp, Inc.Description: For design engineers in the process of selecting components for an application the motor or gearmotor can be one of the more difficult components to source. There are several key design parameters ...
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Gearmotor Output Power & System Efficiency
From: Groschopp, Inc.Description: When specifying and selecting a gearmotor, it is critical to know and understand the gearmotor system power, not just the motor power. When specifying or selecting a gearmotor for an OEM application, ...
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Focusing on Dark Energy
From: maxonDescription: The HETDEX project is the first major experiment to search for dark energy in the universe using a set of spectrographs to map the three-dimensional positions of one million galaxies. ...
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Humanoid Robotic Hand Moves
From: maxonDescription: The human hand is undoubtedly one of the most universal and complex tools of nature. Researchers have been studying the characteristics and special features of this evolutionary design for years. Now ...
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Robot Performance Moves NASA. Cape Canaveral Tour Guide will have Same Motors as the Mars Rover
From: maxonDescription: A versatile robot actor, created in the UK, has beaten off international competition to become the public face of NASA's world-famous Kennedy Space Center. ...
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Comparison of T-LAM to Traditional Brushless Motor Technology
From: ExlarDescription: Operating the complex equipment deployed in modern mines requires judgment and skills that only can be acquired by an enormous amount of hands-on experience. Accumulating that experience in an actual ...
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Recognizing motor temperature sensor limitations
From: ExlarDescription: In the first installment of this series, "Calculating a practical hotspot safety margin", we discussed how two-parameter thermal models assume that the entire motor, including windings, exhibits one ...
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Why Servomotor Temperature Sensors Can Give Misleading Readings
From: ExlarDescription: Conventional thermal models can be inaccurate enough to cause trouble when servomotors get pushed to their limits. ...
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A Practical Guide to Brushless DC Implementation
From: Dart Controls, Inc.Description: Brushless DC (BLDC) motors have the performance advantages of DC permanent magnet motors without the need for motor brush maintenance. BLDC motors have the additional advantages of very high base ...
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Motor Type Selection
From: maxonDescription: Parameters that define a motor type are the mechanical output power, the shaft bearing system, the commutation system used, and the possible combinations with gearheads and sensors. The most important ...
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A Discussion of Reduced Voltage Soft Starter Harmonics
From: Benshaw, Inc.Description: The generation of harmonics by SCR based reduced voltage soft starters and the current harmonic spectrum generated is discussed. Some example harmonic spectrums are given that can be used for ...
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Universal Motors: Timeless Performance
From: Groschopp, Inc.Description: The universal motor, an often maligned old workhorse, is a particularly adaptable motor, and still proves very useful in many applications. ...
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Design Win: Solar-Powered Car (.pdf)
Description: Promoting renewable energy, students of physical engineering at Polytech Clermont-Ferrand worked on this solar car prototype (Bélénos) in order to participating in the 'World Solar Challenge' and ...
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Intensity-Modulated Radiosurgery System (.pdf)
From: maxonDescription: The problem can be a matter of life and death to the patient. Until a few years ago, head and neck tumors could not be safely bombarded with radiation without the possibility of damaging organs like ...
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Questions & Answers on Vacuum Contactors (.pdf)
Description: What happens when I lose vacuum? Answers such as "It has never happened before" are very unacceptable but one must consider that the chances of losing vacuum are extremely remote for the following ...
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Dental Endodontic Obturation Device Incorporates an Electric Motor for Precision and Tactile Control (.pdf)
From: maxonDescription: Aseptico (Woodinville, WA) is an innovator, designer, and manufacturer of endodontic, implant, and portable dental equipment. The company performs all its design and manufacturing in-house. As with ...
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Portable Ultrasound Probe
From: maxonDescription: The Ultrasound Probe System developed by Interson (Pleasanton, CA) delivers all the capabilities of a standard ultrasound probe but without the six-figure price tag. The device does not require the ...
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Surgical Simulators
From: maxonDescription: Immersion Medical (Gaithersburg, MD) designs and manufactures surgical simulators. Similar in idea to that of flight simulators for pilots, a surgical simulator allows a medical student to practice an ...
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Optimizing DC-Brushless Servomotors (.pdf)
From: Island Components GroupDescription: Although newly designed electric motors typically resemble earlier models, occasionally a requirement falls outside the familiar envelope. ...
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Bow Thrusters and Fluid Pumps on LNG Carriers
From: AuCom North America Inc.Description: Soft starters can provide significant benefits in the demanding marine environment, including: more efficient use of the limited electrical supply. integrated bypass contactors reduce the area ...
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Clean Water and Sewerage Pumping in South Africa
From: AuCom North America Inc.Description: Mossel Bay Water Utility in South Africa "They are so simple but they do so much for me!" exclaims Johnny Meerholz as he proudly displays the AuCom IMS2 soft starter he has just installed. Electrical ...
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Application Note: EMX3 Brake Control - Including an External Zero Speed Sensor (.pdf)
From: AuCom North America Inc.Description: The EMX3 has a standard braking feature whose operation consists of two distinct braking cycles. The initial-state braking cycle is used to bring the motor speed down to approximately 60% of the ...
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Application Note: EMX3 Jog Forward Control (.pdf)
From: AuCom North America Inc.Description: The EMX3 has jog forward and jog reverse as a standard feature. During jogging, motor torque is fixed and the jog speed is 11% of the motor full load speed in both directions. ...
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Application Note: EMX3 Motor Overload Protection (.pdf)
From: AuCom North America Inc.Description: EMX3 motor overload protection is provided by a second order thermal model. This highly advanced protection method combines co-dependent thermal modeling of the motor windings and the motor body (the ...
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Application Note: EMX3 Pump Control (.pdf)
From: AuCom North America Inc.Description: The following diagram illustrates how an EMX3 can be used on a typical Submersible Pump installation. ...
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Application Note: EMX3 Sequential Motor Control (.pdf)
From: AuCom North America Inc.Description: The EMX3 can be used for installations requiring sequential starting of identical motors. Master control of the EMX3 and external contactors is achieved using a PLC. ...
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Application Note: EMX3 Slip Motor Control (.pdf)
From: AuCom North America Inc.Description: The principle of a slip-ring motor is that external resistance provides the necessary motor torque during acceleration to full speed. ...
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Kimco Brushless DC Motor Application Guide (.pdf)
Description: A brushless motor is a hybrid permanent magnet DC motor. ...
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Electa Gear Resign (.doc)
Description: We have completed the redesign and rating increase of the Electra Gear worm reducer product line. This document will educate you on the product changes and advantages, reasons for the changes and ...
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Replacing Your DC Motors? Think AC
Description: Alternating-current (AC) and direct-current (DC) motors have traditionally served distinctly different applications due to their construction and inherent operating characteristics. In general, AC ...
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Motors and Drives: A Practical Technology Guide
Description: To some, motor speed control is somewhat of a mystical science, a science that causes motors and machines to sometimes operate in unexpected ways. Over 30 years ago, AC drives were considered "new ...
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Considerations for Step Motors in Space Applications
From: Empire Magnetics Inc.Description: The environmental challenges of space-related applications are immense, and include vacuum (10-8 to 10-12 torr), deep space cryogenic (20 Kelvin), thermal shock (sun at +200°C to shade at -200°C in ...
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Motor Designs To Survive Hostile Environments
From: Empire Magnetics Inc.Description: A new generation of step motors is allowing motion control applications to prosper where they were previously impossible or, at best, very difficult. The reason? Previous step motor designs were ...
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Motor Selection for Deep Sea Applications
From: Empire Magnetics Inc.Description: Like few other hostile environments for industrial components, the deep sea is a forbidding place in which to launch a motion control application. Very cold temperatures, the corrosive effects of sea ...
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Radiation-Hardened Motors
From: Empire Magnetics Inc.Description: Motion control in radiation-intensive environments poses a serious challenge to the design engineer. Conventional step and microstepping motors are susceptible to high-energy gamma radiation particles ...
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Semiconductor Manufacturing Requirements Drive New Automation Technologies
From: Empire Magnetics Inc.Description: In addition to highly repetitive tasks, positioning equipment has long been used to provide very specialized functions and processes. A good example is the semiconductor manufacturing industry. ...
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Specialty Motors for Corrosive Environments
From: Empire Magnetics Inc.Description: In the motion control industry, hostile environments often require specially-designed motors to combat corrosion, and a small company in Rohnert Park, California has built an entire business around ...
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Waterproof Step Motors Make Waves in Industry
From: Empire Magnetics Inc.Description: Because of the preponderance of water and solvents, motion control components are often exposed to the risk of corrosion and failure. Waterproof motors are a key part of the solution to water-induced ...
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Speed Control of 3-Phase Induction Motor Using PIC18 Microcontrollers
Description: Induction motors are the most widely used motors for appliances, industrial control, and automation; hence, they are often called the workhorse of the motion industry. They are robust, reliable, and ...
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Stepper Motor Microstepping with PIC18C452
Description: A stepper motor, as its name suggests, moves one step at a time, unlike those conventional motors, which spin continuously. If we command a stepper motor to move some specific number of steps, it ...
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Servo Control of a DC Brush Motor
Description: The PIC17C42 microcontroller is an excellent choice for cost-effective servo control in embedded applications. Due to its Harvard architecture and RISC features, the PIC17C42 offers excellent ...
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AC Induction Motor Fundamentals
Description: AC induction motors are the most common motors used in industrial motion control systems, as well as in main powered home appliances. Simple and rugged design, low-cost, low maintenance and direct ...
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Brushed DC Motor Fundamentals
Description: Brushed DC motors are widely used in applications ranging from toys to push-button adjustable car seats. Brushed DC (BDC) motors are inexpensive, easy to drive, and are readily available in all sizes ...
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Brushless DC (BLDC) Motor Fundamentals
Description: Brushless Direct Current (BLDC) motors are one of the motor types rapidly gaining popularity. BLDC motors are used in industries such as Appliances, Automotive, Aerospace, Consumer, Medical, ...
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Stepping Motors Fundamentals
Description: Stepping motors fill a unique niche in the motor control world. These motors are commonly used in measurement and control applications. Sample applications include ink jet printers, CNC machines and ...
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Gearbox Tutorial
Description: Transducers come in two basic types. 1. Contact- which measure the absolute movement of the Casing 2. Noncontact, which measure the relative movement of the shaft versus the casing. Noncontact probes ...
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DC Motor Trouble-Shooting Chart
Description: Caution: 1. Disconnect power to the motor before performing service or maintenance. 2. Discharge all capacitors before servicing motor. 3. Always keep hands and clothing away from moving parts. 4. Be ...
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EPACT & Energy Efficient Electric Motors
Description: Today is truly an exciting and challenging time for specifiers, buyers, users and manufacturers of industrial electric motors. It is a time of change in the motor industry rivaled, in recent times, ...
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Motors in Radiation-Intensive Environments
From: Empire Magnetics Inc.Description: Motion control in radiation-intensive environments poses a serious challenge to the design engineer. Conventional step and microstepping motors are susceptible to high-energy gamma radiation particles ...
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Motors Terms Glossary
From: Empire Magnetics Inc.
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Selecting the Proper Stepper Motor or Linear Actuator
Description: In order to select the proper motor several factors must be considered. Is linear or rotary motion required? Following is a list of some of the basic requirements to consider when choosing a motor. ...
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Stepper Motor Theory
Description: Motors convert electrical energy into mechanical energy. A stepper motor converts electrical pulses into specific rotational movements. The movement created by each pulse is precise and repeatable, ...
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Vacuum Motors
From: Empire Magnetics Inc.Description: Operating a motor in a vacuum is often perceived as a design challenge. Among engineers, the problems - outgassing, contamination and temperature - are well known. What is less well known is that ...