new products

Integrated servo motor
Exlar Corp., Chanhassen, Minn.
The company's Explorer Series of electric actuators now includes an integrated brushless servo-amplifier and position controller in one package. This allows the user to achieve servo performance in both linear and rotary motion without the burden of a separately mounted amplifier. Since no external amplifier is involved, system design and installation of the wiring panel, panel space for a separately mounted servo amplifier, and the wiring and installation of that amplifier are completely eliminated. So are troubleshooting and debugging of individual components. Up to 500 watts of continuous power can be applied to the actuator's brushless servo motor to achieve the applied forces and velocity of motion required for the user's applications. All of the needed power components and control electronics are contained in the actuator's housing.

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Recorder/ transmitter
Omega Engineering Inc., Stamford, Conn.
This battery-powered precision temperature recorder and wireless transmitter is designated the OM-CP-RFRTDTEMP101A. It is an all-in-one compact, portable, easy-to-use device that will measure and record up to 5,461 measurements. The unit combines the features from the standard product line and adds the convenience of a wireless transmitter. When enabled, the wireless transmitter will transmit readings back to the host computer where the data can be analyzed in real time. These readings are also logged to the device's memory for added data security. A slide switch allows the transmitter to be turned on or off without affecting the operation of the device. It can be started, stopped, and configured directly from your computer. Its small size allows it to fit almost anywhere. In addition to the wireless communications, the unit makes data retrieval quick and easy. Plug the device into an available COM port and Omega's software will handle the rest.

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Optical profilers
Veeco Instruments Inc., Woodbury, N.Y.
The company has introduced an extension of its Wyko NT Series optical profilers, developed to measure through glass and other transmissive media. The new Through Transmissive Media module enables high-resolution, noncontact measurement of samples through protective packaging, environmental chambers, and other transparent enclosures. Initially designed for characterizing MEMS, the TTM module's capability is useful for research, including materials science and biological applications. According to the company, optical profiling has shown benefits for MEMS development and for quality control during the MEMS manufacturing process. The Veeco technology lets developers quantify the performance of devices in their final, packaged state as well. Optical profiling, or white light interferometry, is a standard technique for noncontact, 3-D measurement of surface topography at the micro- and nanoscales.

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Flange sensing
Amacoil Inc., Aston, Pa.
The company has two styles of an optical flanging system to enhance winding accuracy when used with Uhing traverse winding drives. One system relies on the reflective properties of the spool flanges, while the other uses a "light curtain" concept that doesn't require reflected light. Both systems use opto-sensors to detect the spool flanges and signal a pneumatic or electronic switch to flip the spring-actuated reversal layer on the Uhing winding drive. Whereas the lever is normally triggered by end stops positioned manually by an operator, the flange sensing systems save time because the operator need not stop work to adjust the end stops when spools of varying widths are used.

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Rodless cylinders
IMI Norgren Inc., Littleton, Colo.
Specifically designed for applications where space is at a premium, Norgren offers rodless cylinders. The Lintra Lite series is for those who want to save space on machine designs. Available in diameters of 25, 32, and 40 mm, the Lintra Lite is useful in compressed air environments that are filtered, lubricated, or nonlubricated. With a sealing system on the inside and outside of the cylinder tube to prevent the loss of air and the ingress of dust, the rodless cylinder has an operating pressure range of 14 to 116 psi combined with a temperature range of -22°F to 176°F. The movement is from a carriage running on the side of the cylinder barrel and stroke lengths can be specified to a maximum of 235 in.

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Instru- mentation
ball valves
Swagelok Co., Solon, Ohio
To deal with a wider range of operating temperatures, Swagelok has introduced 40G Series one-piece instrumentation ball valves. They are for use in environmental applications where outdoor ambient temperatures fluctuate, as well as in heated-process applications with elevated process fluid temperatures. The valves have working pressures up to 3,000 psig (206 bar) and temperatures from -65 to 300°F
(-53 to 148°C). Features of the new valve include a single-piece, encapsulated packing design and live-loaded packing system that reduce the need for packing adjustment and improve thermal cycle performance. Constructed of modified PTFE, the single-piece packing doesn't require system pressure to seal, reduces potential leak points, and allows bidirectional flow. There are two-way straight or angle pattern valves for on-off service or three-way valves for switching service with end connections in sizes from 1/16 to 3/8 in. and 3 to 8 mm. These valves accommodate a range of handles and actuators.

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Bevel gear operators
Flowserve Corp., Dallas, Texas
The company's Limitorque Actuation Systems MT Series of bevel gear operators is meant to deliver reliable performance in power industry valve applications. Designed as a combination of a bevel gear operator torque housing with a new thrust base design, the MT series is suitable for torque-seated valve applications and applications involving elevated process temperatures. MT Series bevel gears and thrust base housings are made of ductile iron. The MT Series has robust thrust bearings and a drive sleeve/stem nut design. These combine to offer the company's most rugged bevel gear operator for handling the seating and unseating forces of high-pressure gate and globe valves found in power plants. The MT operator stem nut is shouldered in the drive sleeve to capture thrust forces within the thrust housing without transferring those forces to the torque housing. Torque goes to 8,000 ft.-lbs. and thrust ranges to 325,000 lbs.

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Universal press
Molex Incorporated, Lisle, Ill.
The TM-3000 universal press offers contract manufacturers, assembly houses, and design engineers an affordable solution to apply a range of side and rear feed terminals to prestripped discrete wire and cable. The TM-3000 press has a variety of standard features. The manufacturer recommends it for anyone needing to terminate wires for automotive, industrial, communications, and telecommunications equipment. The press is an electrically controlled, direct-drive press designed for mid-volume and semi-automatic bench operations. To help reduce tooling costs and provide production flexibility, it accepts most industry standard applicators, such as Molex air-feed applicators that process prod- ucts mounted on Mylar tape, as well as FineAdjust and Mini-Mac applicators with side and rear feeds. The TM-3000 includes a resettable counter to ensure accurate batch counting. It meets OSHA safety and noise requirements to reduce risk of injury. The shut-height adjustment on the press is preset to industry standard 135.80 mm (5.345 in.), allowing the adjustment to hit the crimp height target.

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Stationary clamping vise
Schunk Inc., Morrisville, N.C.
Cubic workpieces can be clamped onto universal vertical machining centers or any four- or five-axis table with the Kontec KSL clamping vise, according to the company. The vise has low maintenance, high flexibility and handles easily. The design of the body and integrated ports allow coolant and chips to escape the clamping zone, making the vise resistant to contamination and easy to clean. The Kontec KSL offers multiple clamping possibilities with numerous standard jaw configurations. The mounting holes located in the fixed jaw allow mounting of workpiece stops from both sides. By using a rack-and-pinion design, the movable jaw can be adjusted quickly and positioned precisely. With the use of a special quick lever, the clamping operation is done within seconds—just a small rotation with no need for a crank handle or a bevel gear. This means the vise can be positioned at any location, even in the center of a machining table. Actuation of the KSL is done from the side of the fixed jaw via an allen key equipped with a ratchet. The vise comes in three sizes, with base jaw widths of 100, 125, or 160 mm.

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String-pot transducer
Celesco Transducer Products Inc., Chatsworth, Calif.
The SP2 string-pot transducer is a sound solution for linear measurements in environmentally challenging OEM and testing applications where a compact, simple voltage divider device is appropriate. Available in stroke lengths of 4.75, 12.5, 25, and 50 in., the SP2 comes standard with 1 meter of electrical cable affixed and a moisture protective sheath over the potentiometer. It is useful for applications such as the monitoring of suspensions, steering mechanisms, and actuators by OEM vehicle manufacturers and performance racing teams. The SP2's compact size makes it suitable for restricted space applications. This compact unit has a handy mounting bracket, allowing the user to easily select the direction of the measuring cable. The device has been designed for cable misalignment, ensuring long cable life even if installation is not perfect. The tolerant cable design enables the cable to be freely released, inhibiting damage to the transducer during retraction.

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