Roller Chain

Super Stainless Steel roller chain from U.S. Tsubaki Power Transmission (Wheeling, IL) combines the corrosion resistance and extreme temperature operating range of stainless steel chain with the strength of a carbon steel chain. One #50 super stainless chain has a comparable maximum allowable load (MAL) to one #50-6AS (6-strand) roller chain. Features include high sidebar waists for fatigue strength, and hardened pins and bushings for bearing strength. The chain is used where chains are exposed to parasitic acids, tap water, salt water, low-dosage caustics, and operating temperatures ranging from -40 to +750 °F.

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Spring-Engaged Brakes

Nexen Group (Vadnais Heights, MN) released the Zero-Backlash Spring-Engaged (ZSE) brake family. The pneumatically released brakes offer high torque, high speed, and zero backlash for holding applications. The brakes are zero-backlash up to 100% of its rated holding torque. Four sizes (450, 600, 800, 1000) are available; bore sizes are available in three standard sizes and can be customized. Other features include internal sensors, speeds up to 5,000 RPM, holding torque up to 300 Nm, and a zero-backlash integral clamp collar.

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Linear Stages

Aerotech (Pittsburgh, PA) offers the ATX series linear positioning stages that combines the capabilities of a crossed-roller-bearing positioner with a ball-screw drive mechanism. Featuring anti-creep crossed-roller bearings and a fine-pitch ball-screw, the stages feature up to 250 mm of nominal travel for use in vertical positioning of sensors and cameras, optics focusing, and beamline measurement and manipulation applications. The stages offer an integral center-mounted linear encoder to provide direct position measurement at the stage's moving carriage. Standard features and options allow them to be integrated into a larger subsystem or machine, or to serve as a standalone positioning axis. Brushless, slot-less servomotors, with or without a holding brake, as well as stepper motors are available. The stages can be equipped with an optional motor foldback kit to reduce the overall length of the stage.

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Shaft Couplings

Miki Pulley (Plymouth, MN) introduced Step-Flex™ couplings with a two-part elastomer element combination. This assembly dampens vibration caused by the actuator carrier when finding its home position by making small adjustments in rapid sequence. With this design, the hard element is separated from the aluminum alloy hubs by a softer elastomer disc. This combination maintains adequate torsional stiffness for positional accuracy while still allowing for minimal angular and parallel misalignment, and absorbing vibration. Nine sizes are available with torque of 531 in-lbs, and bore size range from 1/8 to 1.125”.

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Controllers and Drives

AMKASYN centralized controls and drives from AMK Automation Corp. (Carpentersville, IL) include KE/KW servo converters, KE/KW controller cards, the A Series motion controller, and AMKAMAC I/O. KE/KW servo motors combine compact design with a modular structure that provides combination options for machine builders. With a choice of cooling systems, single-and multi-axis solutions, and choice of controller cards, this system is suited for dynamic positioning tasks requiring maximum energy efficiency. The A-series motion controllers are available as compact control cabinet motion controllers and as complete units with touch displays. The KE/KW controller cards are application-oriented and work with all major communication protocols.

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IoT Sensor Kit

Harting (Elgin, IL) and Bosch Sensortec (Mt. Prospect, IL) introduced the MICA® CISS Industrial IoT Kit, a plug-and-play kit that enables digital condition monitoring of any kind of machinery. The kit comprises a CISS (Connected Industrial Sensor Solution) multi-sensor unit by Bosch and the MICA® Edge Computing System by Harting. The sensor unit can be attached to any surface and detects up to eight physical factors including temperature, humidity, vibration, change of position, pressure, light, magnetic field, and acoustics. The mini-computer can be installed next to the machine. MICA is connected to the sensor unit and the local network via industry-standard connectors.

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Gearbox

AutomationDirect (Cumming, GA) offers IronHorse worm gearboxes with left-hand shaft models in four frame sizes and six gear ratios from 5:1 to 60:1. The cast iron worm gearboxes (worm gear speed reducers) are mechanical power transmission drive components that can drive a load at a reduced fixed ratio of the motor speed. Constructed of one-piece housings, the gearboxes feature a C-flange input. Designed to change drive direction by 90 degrees and to increase torque output, worm gearboxes are used when space is at a premium, or to simplify mechanical design.

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