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| Industry Trends & Events . . .
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Industry Expands Its Trust of Wireless
Industrial operations were late wireless adopters, dismissing early technologies as not robust enough for machine-to-machine networking. But Wi-Fi has evolved into a significant M2M connectivity tool, with dramatically better bandwidth and reliability, and advancements like multiple-in-multiple-out transmitting. B&B Electronics' Mike Fahrion highlights trends in a couple of presentations. In one article, he describes how wireless pervades our society, how quickly we've entrusted it to carry our vital communications. He notes machines are using cell phones, and wireless device traffic will soon exceed wired device traffic. In another article, Fahrion identifies six overlooked areas where wireless systems could save time, trouble, and money.
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40 W to 150 W Low-cost Power Supplies with PFC
Triad Magnetics |
Forget US Digital, Buy Avago Encoders
Avago Technologies |
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Designed with a universal 85-264 VAC input and standard output voltages from 5 V to 24 VDC; operating temperature -10 to +60° C. They are available off-the-shelf from Triad's extensive distribution network. The 100 pcs MSRP is approximately $0.30 to $0.40 per watt. The supplies are RoHS compliant, designed for worldwide use, and have been safety tested by UL/TUV.
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If you have been using US Digital kit encoders in the past, you've been using Avago Encoders all along. Avago has been making encoder modules previously used in US Digital encoders for over 25 years. Get your US Digital replacement kit encoder from the original source… Avago Technologies.
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One Level Up: Encoders for Accurate Feedback in Gearless Lift Motors
Lika Electronic |
Advanced PCB Mount Servo Drives from Advanced Motion Controls
Electromate |
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Lika Electronic complements the CB-series of analogue incremental encoders offering new noteworthy benefits and a complete variety of mounting configurations to meet the wide requirements of lift motors and servomotors as well. They are designed to ensure unlimited safe and smooth travel for elevators in modern buildings and especially in cost-sensitive applications.
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'AZ' Servo Drives from Servo2Go.com are µ-sized servo drives capable of torque, velocity, and position modes for brushed, brushless, or voicecoil motors.
• Amplifiers interface with digital controllers with analog ±10V outputs
• Output rating: 10-175 Vdc @ 3-20 Amps continuous (40 Amps peak)
• Amplifiers are designed for direct integration into your PCB |
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Size Linear Slide Tables Fast and Accurately
Thomson Industries Inc. |
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Thomson LinearMotioneering.com version 2 released! The best available linear slide table sizing and selection tool just got better. New products and new tool features make it easier and faster than ever to get the optimal pre-assembled linear motion system solution for your application. Outputs include 3D models, pricing, delivery times, and precise ordering info.
More information about Thomson... |
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Tapping a Stepper's True Potential
Stepper motors are low cost and easy-to-use, but their most impressive performance feats — precise acceleration, exact speeds, stopping on a dime — come with proper control of stator currents and motor speeds. This video explores creating a closed loop system by adding encoder feedback and providing the control necessary to prevent overloading and stalling.
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Precise Motion for Micro Imaging
Whether steering laser beams or rotating components in photonic tuners, this complete motion control system is designed to simplify development of precision micro instruments. Among the world's smallest closed-loop linear motion modules, the M3-L incorporates piezoelectric micromotor, magnetic position sensor, driver, and microprocessor to push or pull to 0.5µ resolution.
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Two Stages are Better Than One
Solving problems, two heads are better than one. In wafer positioning, two stages are better, or so this ZVR design intimates. Integrating vertical and rotation stages, the unit provides 10 mm vertical movement and continuous 360-degree angular travel. A non-traditional design supports payloads at three points on the stage's circumference, improving rigidity and cantilevered load capacity.
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Let the Groove Be Your Guide
Bishop-Wisecarver's linear guide customers asked for a wheel to handle radial loads, not just axial. They got a deep-groove, ball bearing component that makes travel quieter and more accurate — even in environments exposed to grit, sawdust, or other debris. Crown roller or radial styles are available, made of polymer, carbon steel, or stainless steel.
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MSK Developing Rad Hard Motor Drives for Space Use
M.S. Kennedy Corp. |
Linear and Tilting Voice Coil Actuators
Equipment Solutions, Inc. |
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The M.S.Kennedy Corporation is developing radiation hardened motor drives for use in space applications such as satellites, planetary exploration vehicles, and launch vehicles. These motor drives are constructed with rad hard components and utilize hybrid microcircuit assembly methods to minimize size and weight while offering very high performance and reliability. www.mskennedy.com. |
Equipment Solutions, Inc. (ESI) is a recognized leader in the field of voice coil motors and actuators and have innovated many important improvements that have advanced usability, reliability, and cost/performance. Any application that includes limited linear or tilting motions and requires high accelerations or positioning resolution carefully review our benefits. Read more. |
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Third Time is Charm for Electro-hydraulics
They say the third time is the charm, and it seems true for these third generation electro-hydraulic controllers. Starting with increased computing power and four-axis flexible control, Rexroth also extends connectivity to Ethernet for the first time. Capability goes beyond SERCOSII and PROFINET, enabling users to set parameters independently of the serial interface.
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Battery-powered Controls for Brushless Motors
These low-voltage controls provide variable speed control for brushless DC motors and gearmotors. They operate from a DC power supply or from a 12 V or 24 V battery, so their maker recommends them for portable or remote applications where AC lines are not available, such as mobile medical devices, solar-powered generators, and oil well injection pumps.
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The Incredible Shrinking and Efficient Servo
Thanks to the trend toward shrinking electronics, servo drives have become increasingly compact, allowing engineers to install drives closer to the motors they operate. These distributed iC servo drives are designed to maintain efficiency in such installations. Incorporating a servo controller and power supply, they're 98% efficient and can control linear and rotary motors.
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Higher Peak Current Lifts Productivity
Industrial operations trying to boost productivity will appreciate this new servo drive from Germany. An uprated IGBT power stage permits peaks 4x over the continuous-current rating — doubling many rival servos — and increases acceleration by 25%. Metronix says that's enough to improve productivity 5-7% in pick-and-place, parts handling, packaging, and similar applications.
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Gantry Tables Designed for Your Application
Designatronics, Inc. |
GMT Motor Driven Positioning Stage
GMT Global, Inc. |
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Techno Automation offers 8 Gantry tables designed and created with your application requirements in mind. These "industry leading" high-quality Gantry Table Systems fit your budget and can be customized to your automation needs. Call us at 1-800-819-3366 for a quick quote! See all Techno featured products. |
GMT Motor Driven Positioning Stage series has been integrated with a ground miniature ball-screw and high performance motor to meet repeatable positioning accuracy requirements. Various transmission structure and guide combinations to produce several types of the stages for different application needs. For more details, please contact GMT.
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1000 Base T Slip Ring Assembly
Aeroflex Airflyte |
Dual Gauge with Lockout Extends Battery Life
SenDEC Corporation Products Group |
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This thru bore capsule transfers 1000 Base T utilizing precious metal contacts with impedance-matched circuitry for seamless transmissions of high-speed data. The unit measures just 1.25 in. diameter by 1.27 in. long with a 0.375 in. thru bore and is constructed of a high-strength thermoplastic frame. More info. |
SenDEC's Dual Gauge is the solution to maintenance challenges when room and cost are a concern. This meter incorporates a variety of gauges in the top window and in the bottom window. All gauges are 100% epoxy encapsulated for superb environmental durability.
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Industry Standards . . . |
New Servo and Stepper Standard Supplements UL 1004-1
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Calibrating Linear Displacement Sensors
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The new UL 1004-6 standard covering servo and stepper motors, available now from IHS, is intended to be read together with the Standard for Rotating Electrical Machines, General Requirements, UL 1004-1. The requirements in UL 1004-6 supplement or amend the requirements in UL 1004-1.
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Procedures for calibration of linear displacement sensors and their corresponding power supply, signal conditioner, and data acquisition systems are covered in this document from ASTM. Available now from IHS, the standard covers any sensor used to measure displacement that gives an electrical voltage output that is linearly proportional to displacement.
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| August 2, 2012 - Volume 7 Issue 12 |
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