National Design Engineering Show

By: 
March 11, 2002

Sensors

Redesigned analog output ultrasonic industrial-position sensors are said to increase measuring ranges from 30 to 2,500 mm, and have an improved resolution of 0.03 mm with enhanced repeatability of plus or minus 0.5 to plus or minus 1 mm. These devices are suitable for non-contact distance and level-monitoring applications, such as liquid-or granulate-level detection, clear and opaque object measuring, and roll-diameter measuring. The teach function on the sensor allows the design engineer to select both the limits of the sensing range and the slope of the analog output. All adjustments are made using the teach-in button and settings can be monitored using the multicolored LED indicator.

Baumer Electric Ltd. , Booth 5234, www.baumerelectric.com. Enter 576

Moldings

Custom-molded products are reportedly beneficial for applications that require shock absorption, vibration isolation, and acoustic damping.

The company also features sheet goods and a variety of standard shock mounts and vibration isolators. These products are used in applications that include computer hardware, high-end audio, laboratory equipment, and industrial machinery.

Sorbothane, Booth 7432, www.sorbothane.com. Enter 577

PLC

The CJ1 series of controllers is reportedly designed to deliver improved PLC performance, requiring 40 to 60% of the panel space of traditional mid-size PLCs. The devices are said to have process speeds of 20 nsec and up to 2,560 I/O points, improve the performance of mid- and large-rack controllers, and allow compact machines to provide an increased level of control. The CJ1 modules are roughly the size of a playing card deck and connect module-to-module using locking connectors, which claim to eliminate the need for a bulky PLC rack.

Omron Electronics LLC , Booth 4700, www.omron.com. Enter 578

Gearhead

The company is introducing all-planetary, low-backlash, servo-grade gearheads for motion control applications. Named type MRP, these products are said to be close to very high-end gearheads in torque ratings and torsional rigidity, but lower in cost. Ratios are up to 100: 1 and the devices are available in five sizes from 50 to 155 mm 2, with maximum backlash of 10 to 15 arc-min.

Mijno Precision Gearing , Booth 127, www.mijno.com. Enter 579

Power supply

The three-phase QUINT POWER Supply with 20A output is a 24V dc power supply that is said to feature a wide range input suitable for North American (3 x 480V) and European (3 x 400V) machine tool, material handling, and automotive industries. Standard DIN-rail mount three-phase designs can reportedly provide 24V dc directly from power feeds, which could potentially eliminate large, inefficient, and costly step-down transformers. Electrical features include an input power factor correction circuit, electronic overload, and short-circuit protection with U/I characteristics. Other benefits of the power supply include a low 5-lb weight and an occupancy space of 9 inches.

Phoenix Contact , Booth 5100, www.phoenixcon.com. Enter 580

Motors

"EC" series of brushless "pancake" motors are electronically commutated, reportedly enabling improved motor life since there are no mechanical brushes to wear out. Ball bearings also add to the longevity and, due to their low profile, the motors are suitable for color wheels, pick & place machines,

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