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Products: Motion Control
The STAC6-Si stepper drive from Applied Motion Products (Watsonville, CA) is programmable for standalone operation with Si Programmer™ Windows-based software with integrated tuning. A graphical point-and-click format combines...
Products: Robotics, Automation & Control
PI L.P. (Auburn, MA) offers the P-714 high-speed XY-nanopositioning and scanning stages that are piezo-driven and feature a resonant frequency of 2.2 kHz for sub-millisecond response. Integrated position sensors and...
Products: Motion Control
The MR267 motorized potentiometers from Micronor (Newbury Park, CA) include a current loop controller (CLC) option that remotely controls the potentiometer and/or rotary cam switch via a 4-20 mA current loop, 0- 2.5 V...
Products: Motion Control
The Square D® Model 6 Intelligent Motor Control Center from Schneider Electric (Palatine, IL) enables real-time monitoring and remote control of motor functions for industrial facilities. Motor protection features of Motor...
Products: Robotics, Automation & Control
Lin Engineering (Santa Clara, CA) offers the SilverPak 23DE, and integrated NEMA 23 high-torque, 1.8° bipolar step motor; microstepping driver; and encoder. The system is 2.25" wide and is available in three body lengths:...
Products: Motion Control
R+W America (Bensenville, IL) has introduced the SERVOMAX TX1 series of molded thermoplastic insert couplings that are suitable for pump drive and servo applications. The couplings are chemical-compatible and...
Products: Motion Control
Midwest Motion Products (Watertown, MN) offers the MMP-B23-150H-24V GP52-035 BR-005 brushless DC gearmotor/brake that features Hall Cell Commutation. The gearmotor measures 2.3" in diameter by 9.2" long, and has a keyed...
Products: Robotics, Automation & Control
ACE Controls (Farmington Hills, MI) has introduced the SC 190-HC high-cycle industrial shock absorber for use in high-speed production equipment. It features quick rod-ready time and short stroke, as well as rapid repeat strokes...
Products: Motion Control
Worm Gear Speed Reducers
Flexbloc right-angle worm gear speed reducers from NORD Gear Corp. (Waunakee, WI) stop oil leaks and eliminate bolt-on covers and split casting, encompassing all gearing within a single piece. They feature an aluminum alloy housing that is corrosion resistant. The speed reducers are lubricated with a food-grade synthetic...
Products: Motion Control
The RB Series of linear profile guide rail brakes from Nexen Group (Vadnais Heights, MN) use spring force to secure the load in holding applications. Each brake clamps directly onto the center of the guide rail for positive braking...
Products: Robotics, Automation & Control
The CA2 metric tie rod cylinder series from SMC Corp. of America (Indianapolis, IN) features aluminum die-cast covers to reduce weight. Cushioning capabilities were improved by increasing the volume of the cushion chamber and...
Products: Motion Control
Nidoc Copal USA Corp. (Torrance, CA) offers the LVB10 line of brushless vibration motors measuring 10 mm outside diameter and 3.4 mm axial length. The LBV10-003 model reaches speeds of 13,500 rpm and draws a rated...
Products: Motion Control
Gee Plus (Elgin, SC) has announced the VM2436 voice coil actuator that provides bi-directional linearity over a maximum linear stroke of 0.59". It develops a peak force of almost 11 ounces in a package size of 0.94" outside...
Products: Robotics, Automation & Control
Nanomotion (Ronkonkoma, NY) offers the MM industrial servo motor that provides unlimited rotary or linear motion with 0.17 N of driving force and velocity to 235 mm/sec. The motor measures 9 × 17 × 5 mm and weighs 5 grams. It...
Products: Robotics, Automation & Control
Copley Controls (Canton, MA) offers the ServoTube actuator with twin outrigger bearings designed for applications subject to high side loading. A ball-bushing option with steel bearing rails provides maximum side-loading...
Products: Motion Control
Allegro MicroSystems (Worcester, MA) has announced the A1441 full-bridge motor driver designed to drive single-phase, low-voltage, bipolar brushless DC motors. Commutation of the motor is achieved by the use of one Hall element to...
Products: Robotics, Automation & Control
Datastick Systems (Campbell, CA) offers the VSA-1212 vibration spectrum analyzer, a PDA-based vibration analyzer that uses off-the-shelf ICP®-type piezoelectric accelerometers for machine condition monitoring and...
Products: Robotics, Automation & Control
Lexair (Lexington, KY) has announced the Lexair/ Production Dynamics Full Bore® chuck, a mechanical-grip, air-release, front-mounted collet chuck designed to make the full spindle bore available to handle larger bar stock. The...
Briefs: Mechanical & Fluid Systems
Large Deployable Reflectarray Antenna
A report discusses a 7-meter-diameter reflectarray antenna that has been conceived in a continuing effort to develop large reflectarray antennas to be deployed in outer space. Major underlying concepts were reported in three prior NASA Tech Briefs articles: "Inflatable Reflectarray Antennas" (NPO-20433), Vol....
Products: Motion Control
Pittman® Brushless DC servomotors from PennEngineering® Motion Technologies (Harleysville, PA) feature a slotless stator design for applications in data storage, medical, semiconductor, and automation. Features include low...
Briefs: Mechanical & Fluid Systems
A proposed device would remove bubbles of gas from a stream of liquid (typically water), accumulate the gas, and periodically release the gas, in bulk, back into the stream. The device is intended...
Products: Motion Control
Exlar Corp. (Chanhassen, MN) has introduced the Exlar I Series electro-mechanical actuator with roller screw technology. Users have a choice of motor brand and type, including brushless servo, stepper, DC, or AC...
Briefs: Electronics & Computers
Modular, Microprocessor-Controlled Flash Lighting System
A microprocessor- controlled lighting system generates brief, precisely timed, high- intensity flashes of light for scientific imaging at frame rates up to about 1 kHz. The system includes an array of light-emitting diodes (LEDs) that are driven in synchronism with an externally generated...
Briefs: Electronics & Computers
Highly Efficient Multilayer Thermoelectric Devices
Multilayer thermoelectric devices now at the prototype stage of development exhibit a combination of desirable characteristics, including high figures of merit and high performance/cost ratios. These devices are capable of producing temperature differences of the order of 50 K in operation at or...
Briefs: Electronics & Computers
A method has been proposed for extracting information on the rate of rotation of an aircraft, spacecraft, or other body from differential Doppler shifts of Global Positioning System...
Briefs: Electronics & Computers
A digital video camera system has been qualified for use in flight on the NASA supersonic F-15B Research Testbed aircraft. This system is capable of very-high-speed color digital...
Briefs: Software
Madsen Giersing, an Australian consulting engineering firm that specializes in marine engineering and construction solutions, was commissioned to design a new bulk liquids berth...
Briefs: Photonics/Optics
Whispering-gallery-mode (WGM) optical resonators of a type now under development are designed to support few well-defined waveguide modes. In the simplest case, a resonator of this type would support...
Briefs: Photonics/Optics
Electrically Tunable Terahertz Quantum-Cascade Lasers
Improved quantum-cascade lasers (QCLs) are being developed as electrically tunable sources of radiation in the far infrared spectral region, especially in the frequency range of 2 to 5 THz. (Heretofore, the wavelengths of QCLs have been adjusted by changing temperatures, but not by changing...
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