Application Briefs

Position Sensors Help Cassini Mission Provide Clues to Planetary Formation

Potentiometers Novotechnik U.S. Southborough, MA 508-485-2244 www.novotechnik.com

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IP Engine Helps NASA Crew Visually Inspect Shuttle's Heat Tiles

iPORT PT1000-CL IP Engine Pleora Technologies Ottawa, ON, Canada 613-270-0625 www.pleora.com

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CNC Wood Routers Use Drive for Precision Control

The woodworking industry is as advanced and under pressure to deliver high-quality goods quickly as any. One of the most versatile tools devised to quicken production with flat panels of wood is the wood router, used to rout (hollow out) an area in the face of a piece of wood, and used for 3D design, cabinets, sign making, molds, and general material cutting. The table-like device, similar to a metal mill, consists of a broad-based wooden hand plane with a narrow gantry-carried cutting implement projecting beyond its base plate. To guide its computer numerical controlled (CNC) ATC wood routers, WartHog CNC (Soddy-Daisy, TN) turned to YET US’s (Manchester, NH) XtraDrive servo drive system, integrating it into the routers’ precision and power controls.

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Drive Utilized in Filament Respooler

Optical fiber, now the mainstay of telecommunications as well as sensor, illumination, and imaging systems, is made by first pulling a large-diameter preform into a long, filimentous fiber. Then divided into bunches, a resin cladding is applied to keep the transmital of light uncontamintated. The finished product is then wound onto large spools to await shipment to customers. Showmark (Downingtown, PA) developed the automatic UniSpooler to customize the amount of cable a customer gets based on need, and uses the Kinemax KI3-15-5 linear drive from Amacoil/Uhling (Aston, PA) to help guide filaments from the supply spool to smaller takeup spool with the desired amount of fiber or wire.

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Guide Used in Leak-Testing System or Plastic Bottles

Container leaks can range from mildly annoying to potentially dangerous. To avoid faulty containers from ever leaving the production line, producers have installed testing devices as part of the bottle production process to ensure integrity. As many bottle/container manufacturing systems were pre-existing, a unit able to integrate itself into the existing production line without necessitating a long shutdown or costly re-design was seen as ideal. When Air Logic Power Systems Inc, (ALPS, Milwaukee, MI) developed such a unit, the RS-100 Plastic Container Integrity Tester, it chose the PDU2 linear transmission unit from HepcoMotion (Tiverton, UK) and distributed by Bishop-Wisecarver (Pittsburg, CA). Using the PDU2 eliminated many of the bottle handling issues that could potentially slow production by its ability to move in synch with an existing production line.

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Actuator Controls Valving in Micro-Satellite Thruster

In the 1980s and 1990s, NASA’s Jet Propulsion Laboratory (Pasadena, CA) began developing advanced microsystems and microelectronics technologies and components for future space applications. One of these experimental designs, the Micro-Inspector Spacecraft, is capable of visual inspection of a host space vehicle with support from NASA’s Exploration Systems Mission Directorate. The piezoelectric actuator in the Micro-Inspector’s propulsion system is from Dynamic Structures and Materials (DSM, Franklin, TN), and controls the many valves of the satellite’s engines.

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Fiber Optic Rotary Encoder Helps Guide Aerial Tramways

In situations where human travel is necessary but where the geography is too steep or treacherous, aerial tramways often are used as a convenient alternative. Ski resorts, mountaineering centers, even archeological sites and cities with a diverse geography have tapped tramways as a method of transportation. When FREY AG (Stans, Switzerland) began constructing new aerial tramway systems, it turned to Micronor’s (Newbury Park, CA) fiber optic MR314 ZapFree™ high resolution hollow shaft rotary encoder to be part of the tramway’s positioning and cable systems.

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