Test Servo Drive

The FE100-50-RM FlexPro® servo drive

ADVANCED Motion Controls® (Camarillo, CA) introduced the FE100-50-RM FlexPro® RS485/RS232 servo drive that can output 50 amps continuous current rms and 100 amps peak current to drive motors in larger mobile robots. The servo drive has an input voltage range of 20-90 DC, maximum continuous power output of 4.5 kW, and can be integrated into tight spaces. The PCB mount servo drive mates directly to the motor axis PCB. Features include incremental encoder, BISS C-mode feedback, and torque, velocity, and position operating modes. The drive offers configuration and full loop tuning, Safe Torque Off, and IMPACT™ architecture.

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Robot Monitoring

WebLytics software

OnRobot (Odense, Denmark) offers WebLytics software for production monitoring, device diagnostics, and data analytics. The software monitors the performance of multiple collaborative applications simultaneously and in real time and gathers equipment data from both robots and tools to indicate how well a collaborative application is performing. It identifies trends in real time in the robot cell including patterns, peaks, and disturbances in application productivity. The software can report on utilization of the robot arm and tools such as grippers, vision cameras, and sensors. When changes are made to a robot cell, such as adjusting the speed of a robot or the settings on a gripper, the software can also automatically report on the impact of those changes on application performance.

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AC Motors

The Baldor-Reliance® Generation 3 RPM AC motor

ABB (Fort Smith, AR) offers Baldor-Reliance® Generation 3 RPM AC motors, from 1 HP to 1750 HP, with customizable speed ranges in nearly any enclosure type for applications in industries such as chemical, plastics, energy, metals, and industrial automation. The motors provide continuous constant torque from base speed down to and including zero speed and generate full rated torque, run continuously, and will not overheat at any speed below base speed. They offer an extended power range, standard grounding provisions, and a web-based RPM AC Wizard that allows customers to design a motor that best satisfies unique application requirements.

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The HCDS-051-064 stage

Moticont (Van Nuys, CA) released the HCDS-051-064 Series of Open Aperture Voice Coil Stages, which are linear DC motor-driven stages. Designed for closed loop servo operation, an integral quadrature optical encoder with differential outputs is standard. Each stage has a built-in home switch for initialization upon power up. The stages feature precision threaded mounting holes for tooling or fixtures, linear travel of 1.20" (30.5 mm), plug-and-play wired connectors, and resolution of 29.5 microns and 25.4 microns. They are available with either a continuous force of 4.7 lbs. and a peak force of 14.9 lbs. or a continuous force of 6.6 lbs. and a peak force of 20.0 lbs. Aperture diameters 0.5" and 0.75" are available.

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Servo Systems

The electric servo system

AutomationDirect (Cumming, GA) has introduced LS Electric servos systems that provide setup wizards, auto-tuning, and a built-in indexer for motion control applications. There are five standard servo motors from 100 W to 1 kW that can be operated in combination with one of two standard servo drives. The L7C drives accept single-phase 200-230 VAC and are controlled via analog speed or torque signal, high-speed pulse train, or internal indexing. Setup is performed with a built-in keypad/display or DriveCM PC-based software. The L7C family includes standard accessories such as pre-made servo motor encoder cables and servo motor power/brake cables. DIN-rail mount I/O breakout kits allow for connection of external command and I/O signals; optional external braking resistors and optional AC input filters are also available.

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SCARA Robots

The SCARA from Trio Motion Technology

A line of Selective Compliance Assembly Robot Arm (SCARA) robots is available from Trio Motion Technology (Gloucestershire, UK) to provide robot control, motion control, and machine automation from a single controller.

The robots are designed pick-and-place, assembly, and dispensing applications.

Four robots are available that extend from a 400-mm arm range and a 3-kg maximum load capacity, through to a 700-mm arm range and a 6-kg maximum load capacity.

Each is powered by four Trio MX series servo motors that are individually controlled by a Trio DX4 servo drive and a Trio motion coordinator that can simultaneously control the overall machine, instead of a separate controller for machine and robot.

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Absolute Encoder

The RSA 500 encoder

Leine Linde (Strängnäs, Sweden) introduced the RSA 500 splash-proof and corrosion-resistant absolute encoder for machinery positioning and synchronization.

The encoder housing and encapsulation are made of stainless steel grade 1.4404 to prevent corrosion.

To minimize the number of possible leakage points, a press-fit assembly is used instead of a standard assembly, eliminating screws and screw holes where processed food, bacteria, and other pollutants could accumulate.

To further protect the encoder from acidic liquid intrusion, its body can be slightly pressurized using compressed air.

The IP 67-rated encoder could be used in applications that process corrosive liquids, either in the food or chemical industries.

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The Model 7274A accelerometer

Endevco (Dewpew, NY) announced the Model 7274A accelerometer for high-g shock applications. The rugged, triaxial, piezoresistive accelerometer is designed for high-acceleration shock measurements in three mutually perpendicular axes. The housing features a low-noise, eight-conductor cable that can repeatedly withstand the high-acceleration shock environment. The accelerometer is available in 2K, 6K, 20K, and 60K g full-scale ranges and features high-resonance frequency and is rugged to three times the full-scale range.

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Inductive Transducer

The LRS-18 spring-loaded LVIT

H.G. Schaevitz LLC Alliance Sensors (Moorestown, NJ) offers the LRS-18 spring-loaded LVIT (Linear Variable Inductive Transducer) series. The contactless devices are designed for dimension or position measuring applications in factory automation and in various industrial and commercial applications where the sensing element cannot be attached to the object being measured. Features include ranges from 0.5 to 4.0" inches, M18 × 1 threaded aluminum or stainless steel body with mounting nuts, 0.25"-diameter probe equipped with an AGD No. 9 contact tip, and axial cable or a connector. Operating from a variety of DC voltages, the sensors are available with a choice of four analog outputs and include proprietary SenSet™ field calibration feature.

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Short-stroke actuators from HEIDENHAIN Corp.

HEIDENHAIN Corp. (Schaumburg, IL) offers ETEL TUCANA ST and AQUARIUS ST short stroke actuators for turret handlers in semiconductor manufacturing.

They are mechanically optimized with fully symmetrical and balanced design for use with smaller nominal forces down to 0.5 N.

Features include total stroke of up to 10 mm, speeds up to 1 m/s, acceleration up to 40 G, and a move and settle time of 2.8 mm within ±10 μm in 6.7 ms.

The TUCANA ST has a peak force of 68.4 N along with a continuous force of 12.1 N.

The AQUARIUS ST has a peak force of 214 N along with a continuous force of 31.4 N.

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Linear/Rotary Actuators

The Exlar® SA-R080 actuators

Curtiss-Wright’s Actuation Division (Chanhassen, MN) announced the Exlar® SA-R080 rotary and SA-L080 linear actuators with integral controls. The actuators offer force, precision, energy efficiency, and control while minimizing additional cabling and external servo controls. The SA-L080 has continuous force ratings up to 2330 lb-f (linear) and the SA-R080 is capable of torque up to 24.7l-in (rotary). Features include 18-32 VDC input voltage, corrosion-resistant and sealed housing, stainless-steel output shaft, integral power and control electronics, standard rear manual drive for emergency operation, RS-232 and CANopen communication protocols, and SIL 3, Category 3 Safe Torque Off.

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Compact Hexapod

The HEX150-140HL

Aerotech (Pittsburgh, PA) has released the HEX150-140HL, a miniature hexapod six degree-of-freedom (DOF) positioning system that provides precise translation in the X, Y and Z directions and rotations around each of these axes.

The HEX150-140HL delivers minimal incremental motion and more linear travel – all within a compact yet stiff platform.

The HEX150-140HL is easy to control and program with virtual pivot point adjustment. The system is ideal for addressing space-constrained, multiple DOF applications that require fine positioning resolution, including photonic device manipulation, alignment and packaging, optics inspection and alignment, optical wafer probing, aerospace and satellite sensor testing, and synchrotron and beamline sample manipulation.

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Threaded Nuts

Pre-loaded components from Nanotec

Nanotec (Feldkirche, Germany) offers radially pre-loaded threaded nuts for external linear actuators with flange size 42 mm (NEMA 17). The backlash-free nuts automatically readjust themselves during operation and are available in combination with the linear actuators of the LSA42 series. They come with ACME or trapezoidal thread and facilitate the construction of space-saving linear axes. Medical analysis devices, semiconductor inspection machines, or other devices in which small loads need to be moved precisely are applications for linear actuators with backlash-free threaded nuts.

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Intelligent Magnetic Gripping

The magnetic gripper from Magswitch

Magswitch’s (Lafayette, CO) e-series intelligent magnetic grippers are not electromagnets nor are they EPMs (electropermanent magnets).

Magswitch E-Series units contain proprietary switching technology that enables reduced energy consumption, faster actuation, intelligent magnetic gripping, part correct/part incorrect feedback capabilities, and two to three times the holding forces of any similarly sized electromagnet or electropermanent magnet.

Pole shoes that shape the magnetic field are offered in standard and custom configurations to ensure the correct grip for the application.

The intelligent grippers are smaller than electromagnets, which reduces the size of end of arm tools. With less weight and size, designers are frequently able to use a smaller robot, thus lowering capital cost as well as reducing footprint.

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