Motion Control

Motorized Stages

Prior Scientific (Rockland, MA) has added patent-pending Intelligent Scanning Technology (IST) to its Prior ProScan™ II H101A, H107, and H117, 4 × 3" scanning stages. IST allows each stage to be pre-programmed with a unique set of operating characteristics to that particular stage. The technology also allows the controller to periodically interrogate the stage and make adjustments to maintain orthogonality and metric accuracy.

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Toroidal Roller Bearings

Serving as non-locating bearings in large electric motors, SKF USA’s (Kulpsville, PA) CARB® toroidal roller bearings accommodate heavy radial loads and compensate for misalignment. Suitable for both coupled and belted loads, the bearings offer users a single bearing solution for motors, regardless of mounting method. The self-aligning bearings adjust for axial expansion of the shaft internally while self-guiding rollers maximize load capacity. The bearings reduce skidding on raceways, enabling their use on coupled motors with relatively light loads. A range of sizes is available with seals and optional cages. Custom designs are also available.

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Hydraulic Power Unit

SPX Fluid Power (Rockford, IL) has released the SPX Smiths Model SMR low-pressure DC bi-rotational hydraulic power unit, available in both holding and non-holding designs. The power unit comes with a standard emergency override shaft, pressure setting options, four tank sizes, and SAE and BSPP port options. A handset controller and reversible start solenoid are optional.

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Contouring Control

The TNC 320 contouring control from Heindenhain Corp. (Schaumburg, IL) features the ability to control five axes, an analog drive interface for interfacing to existing drive systems, and one-piece construction, the device sports a 15" TFT color flat-panel display (1024 x 768 pixels). The unit’s main computer contains several onboard cycles to simplify most machining operations such as drilling, probing, and milling. The compact flash memory card withstands vibration and shock, stores the PLC program and commissioning information, and offers more memory for NC files. Data interfaces include RS-232, USB, and Ethernet. G-code programming is possible with the addition of a USB keyboard.

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Vibration Control System

LMS North America (Troy, MI) has introduced the LMS Test.Lab Vibration Control system for closed-loop vibration control testing under a wide variety of usage and transportation circumstances. Allowing engineers to test products under normal to extreme operating conditions, the system supports endurance testing, online damage monitoring, and trend analysis. It includes integrated support of all common standards for vibration qualification testing, such as MIL STD 810, GAM EG-13, or IEC standards.

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Ethernet Motion Control Card

Saelig (Pittsford, NY) offers the FMOD-IPDCMOT motion control card that uses an Ethernet bus to communicate data and supply power simultaneously at distances of several thousand yards. Via its integrated Web server, the unit combines a 32-bit motion controller and the speed of the Ethernet communication protocol. The card may be powered externally, as well as through an Ethernet cable at powers up to 15W.

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Linear Drive

The TA330 linear three-phase servo drive from Trust Automation (San Luis Obispo, CA) is a 150-V, 900-W continuous (2700-W peak) linear drive. It can be configured to interface with any motion controller, including three-phase DC brushless servo motors using Hall Effect sensors, three-phase AC brushless motors using external sinusoidal commutation, single-phase DC brushed servo motors in bridged mode, and brushless linear motors. With low electrical noise, the TA330 is designed for integration in or near systems with noise-sensitive circuitry, such as sensors and transducers. It can be used with high-inertia mismatched stages and low inductance motors.

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