Products

Frequency Inverters

NORD Gear Corp (Waunakee, WI) offers the NORDAC SK 500E and 520E AC vector frequency inverters. Both feature high torque, rapid response, and wide spread range for extended power outputs ranging from 0.25 kW to 7.5 kW. Available in sizes between 7.32 × 2.99 × 5.94" and 11.26 × 3.86 × 7.01", and features selectable modes for sensorless vector modes for closed-loop flux vector control, optional position control, and additional I/O. Other features include local operation through inverter controls, integrated dynamic braking chopper, automatic motor parameter identification, integrated Class A filter, side-by-side mounting, field bus compatibility, and high overload capability (150% – 60 sec., 200% – 5 sec.).

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Axial Piston Pump

Oilgear (Milwaukee, WI) introduced a contaminant-resistant PVWH open loop, axial piston pump. Ten sizes are available, and reach a pressure of 5,000 psi. With sleeve bearings that run on wet film and are pressure lubricated for stability, reliability, and repeatability, the unit is able to operate in special fluids. Features include: valve plate ported rear or top and bottom, SAE heavy duty shaft, high strength thru-shaft availability, up to 3,000 rpm, maximum pressure of 5,800 psi, and theoretical maximum displacements ranging from 0.66 in3/rev (10,8 ml/rev) to 7.94 in3/rev (130,2 ml/rev).

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Motor Drive Controller

TrustAutomation (San Luis Obispo, CA) has released the TA600 4-axis stand-alone motion controller for use with brushed, brushless, and stepper motor drives, featuring dual processors, a DSP processor, and a high-speed microcontroller. The TA600 firmware is C language programmable, with a 3-letter command set, user programmable macros, and programmable Enable, Fault, Home, and Limit levels. An integrated Emergency Stop circuit is also included. Features are: point-to-point, trapezoidal, S-curve profiling; linear interpolation; position velocity time and analog feedback profiling; electronic gearing; and fast event capturing inputs. Three PID with feedforward tuning filters help with standing, moving, and stopping. Dual bi-quad filters for each axis control system harmonics. Options include digital-to-analog converters. The unit is designed for use with a 24 to 28 VDC supply at 0.5 to 6 Amps (fused).

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Servo Amplifier

Copley Controls (Canton, MA) introduced the Model 800-1514 dual-axis servo amplifier for current (torque) control of brushless servomotors. The unit accepts encoder and Hall feedback data from a range of servo motor types. Drive torque is controlled by a ±10 V command from a motion controller or PLC, and uses CME 2 Windows software. The unit operates on a 20 V to 55 V isolated DC supply and delivers two independently controlled outputs (4 A peak, 3 A continuous), and communicates with the set-up computer via a RS232 link. Industry standard buffered encoder output, ±10 V torque command, and all control signals are optically isolated. The device provides 5 VDC output for encoder and Hall sensor operation, as well as dual-channel status indicators, protection circuits for voltage, load, temperature, and l2t current limiting. Dimensions are 6.58 × 3.9 × 1.17".

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Axis Motion Software

National Instruments (Austin, TX) released NI Motion Assistant 2.0 interactive software for prototyping single- and multi-axis motion control systems. Motion profiles from CAD and drafting programs can be imported using a DXF file format, and the software facilitates the implementation of profiles in NI CompactRIO programmable automation controllers or generation of code for PCI/PXI plug-in motion controllers. After saving a motion profile as a DXF file in a CAD or drafting program, the software can be used to import the profile and save motion-specific commands in an XML file format without writing additional code. Also featured is smart contouring and a graphical, point-and-click interface with 3D visualization capabilities for creating motion control applications using stepper, servo, and piezo actuators.

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DC Gear Motors

Nidec Copal USA Corp (Torrance, CA) offers the MG16 series of sub-miniature brush DC motors with high torque planetary boxes. The 8-model series is RoHS compliant and measures 16 mm. Available gear ratios include 60:1, 120:1, 240:1, and 500:1 with two excitation voltage levels of 6 VDC and 12 VDC. Performance ranges from 4.86 oz-in rated torque at 164 rpm and 22.6 oz-in starting torque for the 6-volt model with a 60:1 ratio, to 28 oz-in rated torque at 21 rpm and 146 oz-in started torque for the 12-volt model with a 500:1 ratio. Maximum gear motor weight for the 500:1 gear ratio is 1.24 oz. All models can operate from 0°C to 50°C ambient temperature range. Options include an encoder.

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Product of the Month: CCD Color Camera

Toshiba Imaging Systems Division (Irvine, CA) offers the IK-TF9C three-chip, color CCD camera with a 2048 × 1536 pixel output resolution. It offers a full frame rate of 20 fps and a partial scan rate of 40 fps. The camera’s proprietary scan technology eliminates image-jitter for high-speed industrial machine vision applications.

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