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PRODUCTS MOTION CONTROL CONTROLLABILITY ADDED TO ACTUATOR RANGE
Advanced controllability options have been added to Thomson Industries’ Electrak LL long-life electric linear actuators. As a result, machine designers can now get absolute position feedback, CAN bus integration, reduced current flow and higher speeds.
Key to the Electrak LL’s long-life architecture is a brushless motor, a high-load ball screw assembly, a brake solution that does not wear, and IP69K (static) and IP66 (dynamic) compliant sealing. This combination enables duty cycles of up to 100%, up to 600km of travel life, and up to one million cycles. The new configuration options for the Electrak LL augment its durability with advanced control, integration, higher voltage and higher speed options. Instead of calculating position from sensors and encoders, users of Electrak LL actuators can get direct absolute position information by programming its embedded microprocessor to count mechanical turns within the gearbox. This
enables an instantaneous, exact reading of position for the use of advanced control logic. Another advantage of absolute position
feedback is that it will be calibrated during assembly and does not need to be recalibrated. This improves efficiency in applications such as railway and agricultural controls where actuators are usually shut down for extended periods of time when the vehicles are not in use. Electrak LL users can build applications
around either CANopen or SAE J1939 communications. In addition, high-duty-cycle applications, such as mobile robots, are usually battery powered as low current draw can be an advantage. Electrak LL users can now meet application power requirements by configuring their systems with a 48V power supply. Thomson has also added a 2kN (450 lbs) load
option to the Electrak LL. This optimises the actuator to handle higher speeds with longer service life, the company explains.
Thomson Industries
www.thomsonlinear.com/electrak-ll
STEPPER MOTORS DESIGNED FOR USE IN THE TOUGHEST INDUSTRIAL SETTINGS
Available in the UK from Mclennan, Phytron’s NEMA compatible ZSH-series stepper motors are available in frame diameters of 57, 87 and 107mm with holding torques from 0.45 to 17Nm. The 2-phase 200 step/rev hybrid stepper motor design has smooth motion, suits unipolar or bipolar operation, and is microstepping compatible. Standard ZSH motors have IP54
protection and an extended surface temperature range from -30˚C to +80˚C (briefly to 100˚C). However, an optional IP68 protection class facilitates operation in climatic chambers or submerged in aggressive liquids such as fuel oils or detergents. Options with harsh-environment specifications include integral permanent magnet brakes and a choice of feedback encoders with resolution options of 50, 200 or 500 lines in 2- or 3-channel versions. Other customisation options include
backlash-free planetary gear units with a wide choice of reduction ratios, double or alternative shaft dimensions and adapted mechanical interfacing, as well as electrical modification including terminal box wiring or extended length cabling. The ZSH-series stepper motors
are aimed at the toughest industrial settings including maritime and chemical industries, oil and gas, agricultural and construction machinery, biogas and energy
production, etc. Phytron’s ZSH series stepper motors are a part of a comprehensive range of
standard, harsh and extreme duty stepper motors, with the company also offering compatible drives and motion controls.
Mclennan
www.mclennan.co.uk
DEVELOPING HUMANOID ROBOTS
A significant challenge in the field of robotics is creating robot hands that match the strength and dexterity of human hands. MOONS’ Industries is committed to the robotics and automation segment with some of the most advanced dextrous hands using its products. For example, its super-hollow shaft stepper motors can
48 DESIGN SOLUTIONS JULY/AUGUST 2024
make a significant difference to the complexity of today’s robot articulation challenges. The need for innovative actuation solutions that can deliver exceptional torque density and seamless integration has never been greater. To help, MOONS’ has developed a range of slotless and coreless motors which offer the combination of high torque, low noise and a lack
With the ClearView configuration software, the application will be up and running quickly, with auto-tuning used to optimise performance, the company explains. ClearPath-EC motors come standard
with proprietary RAS Motion Smoothing, electronic Inertia Matching Technology (IMT), and tools to collect diagnostics and validate engineering designs. All ClearPath-EC models are IP67 and
IP66K rated.
Teknic
www.teknic.com
COMPACT EtherCAT SERVO SYSTEMS
Teknic's new ClearPath-EC brushless servo motor models are described as one of the most compact EtherCAT servo systems available. The company’s servo technology has powered automated equipment in high- volume OEM markets for decades, including medical, AOI, and CNC equipment. ClearPath-EC is a fully integrated, high-performance brushless servo motor, EtherCAT servo drive, and high-resolution encoder in one compact package. ClearPath- EC can be paired with any EtherCAT master.
of cogging, in an ultra-compact package. The result is smoother and precise high speed and low speed operation which helps to optimise control and improve robotic efficiency. In addition, its robotic joints with harmonic gears and its full range of frameless BLDC motors offer competitive solutions to the challenges faced. The company will release several new
products through 2024 which will help its customers to meet and stay ahead of the technical challenges required to keep advancing the humanoid robot development curve.
MOONS’ Industries
www.moonsindustries.com/uk
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