Motion Control

Weldable Couplings and Collars

A line of weldable shaft collars, couplings, and mounts is available from Stafford Manufacturing Corp. (North Reading, MA). The components are made from ANSI 1018 steel and stainless steel to allow users to modify parts and create assemblies without fasteners. Typical modifications include brackets, cams, lever arms, mounts, pins, and rods. They are suited for the design and repair of special machinery, conveyors, packaging systems, and racks. The weldable shaft collars are available in one- and two-pieced, and hinged styles. Flange mounts are offered in ¼" to 6" bore sizes, and weldable shaft couplings are available in ¼" to 2" bore sizes. Smooth-, hex-, and square-bores for shafts, pipe, and tube can be supplied.

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Linear Guide Kit

To simplify product selection of self-lubricating linear guides, igus (East Providence, RI) has developed a modular construction kit for belt-driven DryLin ZLW linear axes. The ZLW toolkit enables users to customize their solutions, including rail widths, system length, etc., even for small installation spaces. Cross beams, rails, and/or carriages are available in either aluminum or stainless steel to suit a wider range of application requirements. The ZLW system enables loads up to 165 lbf. to be lifted with stroke lengths of up to 3 meters (118"). Wide drive belts can also permit speeds of more than 5 m/s (16 ft./s), depending on the load. Underwater applications are possible via a special toothed belt.

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Actuators

Curtiss-Wright Sensors & Controls Division (Gilbert, AZ) announced Exlar® brand FTX Series actuators. The high-force electric rod style actuators replace hydraulics in highforce, high-duty-cycle applications in harsh environments. Based on planetary roller screw technology, the actuators offer a compact form factor. With continuous force rating to 178 kN (40,000 lbf), speed to 875 mm/sec (34 in/sec), and stroke lengths from 150 mm (6 inches) to 900 mm (3 feet), the actuators can be applied across a range of linear motion applications.

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Automation Cables

Molex, LLC (Lisle, IL) offers Flamar industrial automation cables for signal and control equipment and servomotors. The cables are available in multiple jacket materials (PVC, WSOR, PUR, TPE). The standard cables range from 26 AWG to 10 AWG for applications in food and beverage, material handling, automotive lines, and other manufacturing operations. The cables are rated for temperature ranges down to -40 °C (-40 °F) and up to 105 °C (221 °F). They are compatible with all standard industrial connectors, including RJ45, the Brad® range of circular connectors (M8, M12, M23) for servomotors, and mPm® DIN valve and Molex Heavy Duty connectors.

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Precision Ball Screws

Thomson Industries (Radford, VA) has introduced miniature metric precision ball screws in three interface styles: flanged, threaded, and rounded. The FSI metric ball screws are flanged, and the RSI style is rounded. Both feature a multi-liner ball return system that provides smooth operation and increased load capacity. The miniature ball screws are available in a range of standardized diameters from Ø6 mm – Ø14 mm. Flexible ball nut mounting configurations and rapid prototyping are options for the ball screws.

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Servo Drives

The MR-J4-TM multi-network servo drives from Mitsubishi Electric Automation (Vernon Hills, IL) are available with Ether Net/IP™ and EtherCAT® interfaces. The drives feature dual 100BASE-TX Ethernet ports in line, tree, and star topologies; One-Touch Auto-Tuning; 2.5 kHz speed frequency response for short settling time; high-resolution 4,194,304 pulse/revolution absolute encoders; and Advanced Vibration Suppression Control II for vibration suppression on both the load and the machine base. The drives also come with add-on instructions for EtherNet/IP networks using ControlLogix® or Compact - Logix® controllers.

Posted in: Products, Manufacturing & Prototyping, Motors & Drives
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Rotary Valve

RotaVal Ltd. (Wiltshire, UK) introduced a heavy-duty rotary valve for use where solids handled and operating conditions combine to cause abrasive erosion within the valve. It has on-site component replacement. The valves are used in discharging materials such as cement, PFA, granite dust, silica sand, and mineral powders under adverse pressure conditions. Standard valves are manufactured in cast iron, SG iron, Ni-hard, and carbon steel. The replaceable body liner can be hard chromed or ceramic coated. Rotor shaft sealing options include various types of gland packing, mechanical seals, and air or grease purge.

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Voice Coil Actuator

The LAH15-19-000A linear voice coil actuator from BEI Kimco (Vista, CA) provides low hysteresis/ low friction with bi-directional position control. It is suited for applications where low friction and high force accuracy are needed. The low-friction design features a patent-pending symmetrical flex circuit that prevents friction caused by movement. A solid brass ball cage with captured steel balls also reduces friction. The actuator offers a hysteresis of 10 mN. Other features include a peak force of 4.7 N, a total stroke of 7.4 mm, and a compact size of 38 mm in diameter by 48.3 mm in length.

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Compact Robot

ABB Robotics (Auburn Hills, MI) introduced the IRB 1660ID compact robot for arc welding and machine tending applications. It features a DressPack design that allows users to program and simulate predictable cable movements, a rigid upper arm with a reach of 1.55 m, and a payload of 6 kg. It is able to accommodate heavier weld torches, and provides wire feeding control near the arc. TrueMove™ technology provides 0.05-mm path repeatability. The integrated DressPack allows the robot to move at maximum acceleration and speed for machine tending applications. The risk of collision in confined spaces is also eliminated, and the 1,390° working range of axes 4, 5, and 6 enables agility in CNC machines.

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Block Spindle

Suhner Industrial Products Corp. Automation Division (Rome, GA) introduced the BEX8 high-speed machining block spindle capable of maintaining rigidity and precision at operations up to 25,000 rpm. The spindle weighs 33 lbs. and can be mounted directly onto robotic arms for fully automated machining operations in automotive, appliance, off-highway, and other industries. The standard motor supplied is either 0.37kW or 0.75kW, and the standard toolholder supplied is ER20.

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