Application Briefs

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.

Posted in: Applications, Motion Control, Application Briefs

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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.

Posted in: Applications, Application Briefs

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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.

Posted in: Applications, Motion Control, Application Briefs

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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.

Posted in: Applications, Motion Control, Application Briefs

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Pneumatic Cylinders Used in Robotic “Hand”

Robotics are now and have been an inextricable aspect of American industry, performing tasks as varied as the robots themselves. Robots can, in most cases, accommodate greater production speeds, and can be re-tasked for any future changes or even re-assigned to a different application. As technology advances, and demand and expectations grow, robotic systems are being developed displaying greater abilities in precision control and dexterity. The printing and packaging industries are no different, and when Roskam Automatic Machine (Birmingham, AL) developed a robotic end effector — what amounts to a robotic “hand”— to integrate with other robotic systems (industrial manipulators, or the “arms”), it relied on the pneumatic devices from Parker Hannifin (Cleveland, OH) to help run the robotic “fingers.”

Posted in: Applications, Motion Control, Application Briefs

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Water Jets and Lasers Cut Through Electronic Industry’s Problems

Semiconductor manufacturers need the flexibility of a wafer-cutting machine that supports various wafer sizes and cuts them without the mechanical and thermal damage often seen with traditional cutting methods, including the mechanical stress that occurs with conventional sawing, or the contamination and/or ablated material caused by laser cutting. Employing a dicing process that makes the wafers less prone to breakage would allow manufacturers to introduce thinner wafers into the production line, thereby increasing the number of functions on a given device. A machine that cuts lasers without a heat-affected zone would also offer efficiency advantages to manufacturers.

Posted in: ptb catchall, Applications, Photonics, Application Briefs

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Software Used to Control Master-Slave Haptics Experiment

Haptics, also known as “force feedback teleoperation,” attempts to provide environmental interactions through a robotic system. Users mimic these interactions with robotic arms. By varying the amount of force the haptic devices exhibit, a user can achieve the sensation of interacting with the system. As it allows a user to interface with a remote or virtual environment, the goal of haptics is to augment a user’s sensory feedback while performing a given task. In order to construct safer haptic systems, researchers at the Intelligent Machine Dynamics Laboratory (IMDL) at the Georgia Institute of Technology (Atlanta, GA) have built a series of master-slave devices, and utilize National Instruments’ (Austin, TX) LabVIEW 8.0 software and its various toolkits to control all feedback calculations, communication, control, and simulation, with the objective to investigate control difficulties that occur using a passive master with an energetically active slave.

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