January 22, 2019 Volume 15 Issue 03

Motion Control News & Products

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Z-Tip-Tilt nanopositioning stage: High-speed ultra precision

PI offers an ultra-low-profile Z-Tip-Tilt stage designed for demanding alignment applications in optics, semicon-ductors, precision assembly, and photonics. Based on air bearings and linear motors, the stage is wear-free, maintenance-free, and cleanroom compatible. High speed is ensured by 3-phase linear motors, while high resolution and precision are provided by closed-loop operation with linear encoders with 1-nm resolution. Comes in 5- and 6-axis combinations.
Learn more.


Curtiss-Wright unveils new Exlar GTF food-grade actuator

Curtiss-Wright's Actuation Division has expanded its popular Exlar electric actuator product offerings to include hygienic actuators with FDA-approved materials and finishes. Designed for automation systems in the food and beverage, packaging, and pharmaceutical industries, the GTF with inverted roller screw technology helps customers achieve hygienic certifications more economically. Ideal for builders of hygienic machinery to easily incorporate into their designs.
Learn more.


Robot has longest reach in Mitsubishi's low-cost series

The MELFA RV-12CRL vertically articulated robot has the longest reach of any robot in Mitsubishi Electric's low-cost robot series: 1,504 mm (59.2 in.). With a 12-kg (26.4-lb) payload capacity, this unit is an ideal candidate for machine tending, case packing, and pick-and-place applications. Built-in features provide enhanced safety, streamlined implementation, and an overall reduction in downtime. Features internal cables and air hoses for end-of-arm tooling.
Learn more.


Servomotors for food, beverage, pharma, more

Siemens' new stainless steel SIMOTICS S-1FS2 line of servomotors has been designed for the clean condition requirements of the food, beverage, sterile packaging, pharma, and other process industries. These motors are highly resistant to corrosion and acidic chemicals and are offered in a variety of power ratings, from 0.45 to 2 kW (0.60 to 2.68 hp) with torque from 3.1 to 14 Nm (2.28 to 10.32 ft-lb). Features include high dynamics due to low inherent inertia, high overload capacity for pick-and-place, and precise movement of heavy loads. Easy installation and cleaning. Compatible with the SINAMICS S210 drive system.
Learn more.


What is Sensorless Closed Loop? Precise motor control without an encoder

Matt Sherman, eMobility Sales and Application Engineer at KEB America, runs through different options to drive an AC motor, including one called "Sensorless Closed Loop" that does not require additional hardware such as encoder, resolver, or cables on the motor.
Read this informative KEB America blog.


All about magnetic rotary encoder

The precision and reliability offered by modern rotary encoders are essential in many product categories. These include robotics, machine tools, printing presses, motion control systems, medical equipment, aerospace, gaming and entertainment, and automotive. Learn all about magnetic rotary encoders -- and important developments in the technology's future.
Read the full Avnet article.


High-force actuator line expanded with new models

Tolomatic has introduced five new products in its RSX line of high-force actuators to meet a wider range of industrial applications. These five sizes expand the RSX's capabilities to include forces up to 66,000 lbf (294 kN). RSX actuators, which feature high-precision planetary roller or ball screws for longer life in harsh environments, enable the easy replacement of traditional hydraulics to eliminate leaks and improve system performance.
Learn more.


What's a motion-amplified piezoelectric actuator -- and what can it do for you?

Piezoelectric motion components are highly valued for their fast response times, capable of dynamic movements at frequencies reaching several kHz, and delivering motion resolution down to the sub-nanometer level. Learn why amplified piezo actuators have the edge over traditional piezo stack actuators.
Read the full article.


How to maximize and optimize stepper motor control

Engineers from Performance Motion Devices take a comprehensive look at how to control two-phase stepper motors, beginning with the basics (operations, strengths and weaknesses) and moving on to traditional and updated advanced techniques for control including closed loop. A very thorough presentation.
Read this informative Performance Motion Devices article.


Ergoswiss table lifting systems from AutomationDirect

Automation-Direct has added the new SQ series table lifting systems from Ergoswiss. These lifting systems use electrically driven columns that allow the operator to reposition the height of a worktable, conveyor, etc. to meet specific requirements. In doing so, the operator can perform their tasks in a more comfortable working posture, helping to reduce work-related injuries. These systems are all electric (no hydraulic mess or manual hand cranks), and each lifting column features a housed motor and screw drive to perform the needed height adjustments.
Learn more.


Compact linear voice coil servo motor with built-in shaft and bearing

The GVCM-032-025-02M Linear Voice Coil Servo Motor is the first of a new series of non-commutated, brushless linear servo motors from Moticont. This clean and quiet unit has a 12.7-mm stroke with built-in shaft and bearing, a continuous high-force-to-size ratio of 9.3 N (2.1 lb), and 29.3 N (6.6 lb) of peak force at a 10% duty cycle. Features include: high reliability, high speed, zero cogging, high acceleration/deceleration, and, when used in a servo loop, very high accuracy and repeatability. An ideal choice for: haptic feedback, medical devices, laser machining and drilling, work holding and clamping, scanners, optical focusing, testing, sorting, and assembly.
Learn more.


Optical rotary encoders: Close the stepper motor linear actuator feedback loop

With the help of a motion controller and a stepper driver, all stepper motor linear actuators can be programmed to position a load to a precise location. However, standard configurations do not provide a feedback mechanism that tells the operator whether the move is completed or not. Adding an encoder can be an effective and simple solution to get real-time motion feedback about your application.
Read this informative Thomson article.


Overhead conveyor drives for automotive, food processing

Overhead conveyor drives from NORD DRIVE-SYSTEMS are engineered with long-lasting performance and durability in mind. They feature high-quality components, heavy-duty construction, and an output mounting flange and shaft for easy drop-in replacement of industry-standard footprints. They are an ideal solution for meat and poultry processing, automotive assembly, and other manufacturing systems where utilization of vertical space is required. Lots of options and many more features.
Learn more.


New micro motor controller elevates precision, speed, and torque management

maxon, a leader in DC motor and drive solutions, has unveiled its latest innovation: the ESCON 2 controller. This advanced speed and current controller, designed for micro motors, significantly enhances control precision. The ESCON 2, suitable for brushed and brushless DC motors up to 1,800 W continuous duty, is engineered for seamless OEM integration into customer systems. Enhanced control features include field-oriented control (FOC), acceleration, and velocity feed-forward capabilities. Supports 4-quadrant operation. Lots more features. Available from Electromate.
Learn more and get all the specs.


Next-gen motor for pump and fan applications

The next evolution of the award-winning Aircore EC motor from Infinitum is a high-efficiency system designed to power commercial and industrial applications such as HVAC fans, pumps, and data centers with less energy consumption, reduced emissions, and reduced waste. It features an integrated variable frequency drive and delivers upward of 93% system efficiency, as well as class-leading power and torque density in a low-footprint package that is 20% lighter than the previous version. Four sizes available.
Learn more.


Toyota and Kenworth collaborate to develop zero-emission trucks

Kenworth Truck Company and Toyota Motor North America are collaborating to develop 10 zero-emission Kenworth T680s powered by Toyota hydrogen fuel-cell electric powertrains. The joint effort is part of a $41-million Zero and Near-Zero Emissions Freight Facilities (ZANZEFF) grant preliminarily awarded by the California Air Resources Board (CARB), with the Port of Los Angeles as the prime applicant.

The grant monies are part of a larger $82-million program that will put fuel-cell electric tractors, hydrogen fueling infrastructure, and zero-emissions cargo-handling equipment into operation in the ports and Los Angeles basin in 2020.

2019 Project Portal Truck--Kenworth/PACCAR.

 

 

The Kenworth T680s will transport cargo across the Los Angeles basin and to inland cities -- such as Ontario and San Bernardino -- while generating zero emissions, other than water vapor, thanks to their fully electric hydrogen fuel-cell powertrain integrations co-developed by Kenworth and Toyota.

"This is not just a science experiment; the goal is to make a difference in society. To remove pollution and improve the air quality in and around the Port of Los Angeles," said Bob Carter, executive vice president, Toyota Motor North America.

The Kenworth T680s with the Toyota hydrogen fuel-cell electric powertrains combine hydrogen gas and air to produce electricity. The electricity powers electric motors to move the trucks, while also charging the lithium-ion batteries to optimize performance as needed.

Toyota Project Portal FCV Truck 01.

 

 

Sophisticated power-management systems will apportion the electrical power from the fuel cells to the motors, batteries, and other components, such as electrified power steering and brake air compressors. The hydrogen fuel-cell electric-powered Kenworth T680s will have a range of over 300 miles under normal drayage operating conditions.

The program will also fund foundational hydrogen fuel infrastructure, including two new fueling stations that, subject to a final investment decision by Equilon Enterprises LLC (dba Shell Oil Products U.S.), will be developed through Shell Oil Products U.S. to support the operation of the fuel-cell electric trucks in Southern California.

Sources: Toyota, Kenworth

Published January 2019

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