September 11, 2018 Volume 14 Issue 34

Motion Control News & Products

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First explosion-proof stackable multi-turn encoder

Sensata Technologies has introduced the first explosion-proof stackable multi-turn encoder, an ideal position sensing solution for oil and gas applications such as drawworks, top drives, and pipe-handling equipment where working conditions are extreme. The new encoder, BEI Sensors' model MAAX, is ATEX and IECEx certified to operate in explosive environments and features a Profibus output in a unique, stackable package. CANopen and SSI outputs are also available. The MAAX provides up to 16 bits of resolution as well as up to 16 bits of turns by mechanical counting. This workhorse product operates directly in Zone 1 environments without the need for an accompanying Intrinsic Safety barrier.
Learn more.


QTR Series torque motors by Tecnotion

With Tecnotion torque motors, the magnetic design is optimized for maximum flux density and copper fill to provide very high torque-to-volume ratios. Motor sizes from 68-mm to 160-mm diameters are available, packing serious power to work with any servo drives on the market. Tecnotion torque motors are extremely compact, provide a very stiff drive train, eliminate the need for time-consuming mounting procedures, are virtually maintenance free, and can be integrated directly into the machine structure, while the spacious open inner diameter enables wire and cable feedthrough. The entire series comes with completely sealed stators and integrated temperature protection and measurement sensors.
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160 pages of piezo linear motors, rotation stages, and multi-axis motion systems

PI's new comprehensive piezo motor solutions catalog covers a large number of linear, rotary, and multi-axis motion systems based on a variety of piezo motor types along with their appropriate controllers and drivers. Ultrasonic piezo motors, for example, are preferred for high-speed applications; inertia motors are small and cost efficient; PiezoWalk drives provide the highest forces up to 800N; and piezo-ratchet drives can replace micrometers in remote "set and forget" applications. All piezoelectric motors are self-locking, field-less, and not affected by magnetic fields, and they can be integrated easily mechanically.
Get the PI catalog today (no registration required).
Watch different types of piezo motors in action.
Learn about different kinds of piezo motors products.


Electromechanical actuators with modular design

SKF CASM-100 electro-mechanical actuators from SKF Motion Technologies have been uniquely engineered with a modular design, enabling tailored solutions for a wide range of industrial linear movement and positioning applications. Modules provide choices among motor types, gearboxes, ball screws or roller screws, and accessories. Standardized interfaces connect the different components. These actuators use up to 80 percent less energy than pneumatic cylinders and 50 percent less energy than hydraulic alternatives and eliminate any need for constantly running compressors, hoses, and other components.
Click here to learn more.


Precision linear motion drive with thrust capacity to 800 lb

The Precision Motion Drive System from Amacoil/Uhing is a Uhing Model RG rolling ring linear drive integrated with a motion controller for precision linear motion applications. The Precision Motion Drive is fully programmable and meets application requirements for precision winding/spooling, pick-and-place machines, X-Y coordinate tool movement, metrology equipment, and other machinery providing fast, accurate positioning and reciprocating linear motion. Depending on the size of the RG drive nut in the system, the Precision Motion Drive System provides from 7 to 800 lb of axial thrust.
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100 million random moves: New lifetime spec for rotary micro stage with integral controller

New Scale Technologies has significantly increased the lifetime specification for its M3-RS-U Rotary Smart Stage, a precision rotary micro stage with embedded controller. The new specification of 100 million random positions underscores the utility of these compact, all-in-one motion modules for integrating embedded motion inside medical, commercial, and industrial instruments. These rotary stages are ideal for beam steering and mirror positioning applications where precise, point-to-point positioning or dynamic scanning up to 100 Hz is needed. Applications include medical instruments such as surgical lasers and fluorescence microscopes, industrial systems for 3D measurements and remote sensing, optical communications systems, and obstacle detection and tracking systems for robots and drones (UAVs).
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New UR e-Series cobots feature unique sensing, safety, and precision tools

Universal Robots pioneered the collaborative robot and continues to evolve its ground-breaking, automation technology with the introduction of its new flagship line of e-Series cobots. The new UR3e, UR5e, and UR10e robot arms will launch in North America at IMTS in Chicago, Sept. 10-15, at Universal Robots' IMTS booth N-236861. With a new built-in, tool-centric force/torque sensor, the e-Series is ready to take on popular collaborative robot applications that require force control right out of the box such as sanding, buffing, polishing, and deburring, where force-feedback is paramount in order to obtain uniform results. Additionally, the force/torque sensor can be used to measure mass and perform inspection processes or precisely detect contact.
Learn more.


What design engineers need to know about voice coil actuator technology

Looking to develop a product that requires highly reliable, highly repeatable, and highly controllable motions? Take a look at voice coil actuator technology. VCAs are very simple yet extremely robust and precise. Sensata Technologies has published a new white paper (What Design Engineers Need to Know about VCA Technology) that covers the current state of Voice Coil Technologies for a variety of linear motion applications. Good info here.
Get the white paper. No registration required.


US Digital releases new MD3 microstepping motor driver

The MD3 Programmable Microstepping Motor Driver is capable of driving motors from NEMA size 14 to 42. The MD3 accepts 9 to 50 VDC power inputs and is rated for currents up to 7A continuous duty. In addition to digital input controls, the MD3 can be configured and controlled using the open MODBUS RTU protocol over a RS485 bus. A GUI application is supplied that allows many settings to be changed including the number of microsteps per full step, acceleration/deceleration rates, speed, and current cutback.
Learn more.


New power-off brakes for parking brake applications

The MPC is a power-off brake module with an output shaft. The unit mounts directly onto a NEMA C-Face servo or stepper motor, and the output can also be coupled to a NEMA C-Face gear reducer. This brake is designed to decelerate or hold an inertial load when the voltage is turned off. When voltage is applied, the friction disc is released, and the brake is free of torque. This power-off brake is best suited for parking brake applications used to hold a load in position, and is ideal for creating brake motor packages for small servo and stepper NEMA 17 or NEMA 23 frame motors. Available from Servo2Go.
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New planetary BLDC gearmotors: High torque and compact design

Bodine Electric Company introduces the new type 22B4-60P planetary gearmotor. This integral gearmotor combines Bodine's high-performance type 22B brushless DC motor with the new 60P (60-mm) planetary gearhead. It is ideal for applications that require higher torque than conventional helical/spur gearheads of a similar size can provide, and where a very low backlash gearhead is not required. Typical applications include conveyors, pumps, packaging, industrial automation, and a wide range of solar- or battery-powered equipment.
Learn more.


Compact brushless DC servo motor with integrated controller

Nanotec has developed the compact PD2-C-IP, a brushless DC servo motor with integrated controller and 42-mm flange size for use in harsh environmental conditions (class IP65). The PD2-C-IP is available as a brushless DC motor, with an operating voltage of 12 V to 48 V and a rated power of 105 W, and as a stepper motor with a nominal torque up to 0.5 Nm. Due to the field-oriented control based on an integrated encoder, both motors are controlled in the same way and differ only in their working point. Each motor is available in a USB or CANopen version. They offer effective and economical drive solutions when high precision and maximum benefit are required.
Click here to learn more.


DriveWare 7.4.2 released with stepper motor support

DriveWare is ADVANCED Motion Controls' no-cost software tool that allows users to set drive limits, tune the control loops, configure various types of feedback, auto-commutate, analyze signals over a built-in multi-channel oscilloscope, and more. Because of its powerful capabilities and user-friendly interface, DriveWare is the best way to commission and configure the company's DigiFlex Performance series drives. The biggest update to DriveWare 7.4.2 is the expanded support for stepper motors -- making it easy to configure closed-loop steppers while streamlined algorithms make autocommutation 75% faster. DigiFlex Performance servo drives can operate two-phase and three-phase steppers in addition to rotary and linear permanent magnet, brushed, and brushless servo motors.
Click here to learn more.


Plug-and-play motion system in a box

Rollon Corp. has launched Motion Box, a new pre-engineered Cartesian robot system designed to deliver users six different motion profiles that can be set up and running in a couple of hours. Motion Box covers everything from the human-machine interface (HMI) to the output of reliable motion. Even the cable management is included. The initial system setup is already complete, so end users can get parts moving in a reliable and repeatable manner. Motion Box incorporates the Q-Motion Controller from Mitsubishi Electric, which features four-axis motion control, energy-efficient drivers, integrated I/O and network access, and a clean, efficient HMI setup.
Learn more.


High-torque rotary voice coil actuators

H2W Technologies has developed several high-torque rotary voice coil actuators, otherwise known as a limited angle torque motors (LATs). The model TWR-015-346-2RC was designed to allow for a low moving mass (68 grams per coil) and inertia, as well as dual independent coils to allow for two independent motion profiles or couple the coils together to double the torque output. This rotary voice coil actuator can generate a continuous torque of 185 in.-oz (1.29 Nm) and a peak torque of 555 in.-oz (3.88 Nm) at a duty cycle of 10% (i.e., 1 sec on and 9 sec off) in each coil on a 4-in. (102-mm) rotation arm. By coupling the coils, the continuous torque doubles. Applications include driving a gimbal axis in scanning applications and providing stabilizing torques for image stabilization.
Click here to learn more.


Airbus manned glider soars to 76,000 ft to break own altitude record, surpassing even U-2 reconnaissance plane

Stratospheric glider yields insights into high-altitude aerodynamics, flight safety and Martian exploration.

 

 

For the third time in a week, Airbus Perlan Mission II has set a new world altitude record for a glider, this time soaring the engineless Perlan 2 to 76,124 ft, and in the process collecting vital data on flight performance, weather, and the atmosphere.

The Sept. 2 flight by pilots Jim Payne and Tim Gardner surpassed even the maximum recorded altitude in level flight of the U.S. Air Force's famous U-2 Dragon Lady reconnaissance aircraft: 73,737 ft, flown by pilot Jerry Hoyt on Apr. 17, 1989.

The U-2 is powered by an engine that generates 17,000 lb of thrust. By contrast, the Perlan 2 is engineless, weighs just 1,500 lb, and soars to its record altitudes on rare stratospheric air currents formed by mountain winds combining with the Polar Vortex.

"By exploring an underexplored part of the atmosphere, Perlan is teaching us about efficient high-altitude flight, about detecting natural sources of lift and avoiding turbulence, and even about the viability of wing-borne exploration of Mars" said Tom Enders, Airbus CEO. "As a company that makes not just airliners but also high-altitude unmanned aerial vehicles such as Zephyr, as well as the Mars rover robotic vehicle, every Perlan flight is an investment in our future."

In a single week, Perlan has set and then surpassed a world altitude record three times:

  • Aug. 26, 2018: Jim Payne and Morgan Sandercock soar to 63,100 ft, besting the record of 54,000 ft set by Airbus Perlan Mission II on Sept. 3, 2017.
  • Aug. 28, 2018: Jim Payne and Miguel Iturmendi reach 65,600 ft.
  • Sept. 2, 2018: Jim Payne and Tim Gardner climb to 76,124 ft.

The overall altitude record for level flight of a manned airplane is held by the SR-71 Blackbird at 85,069 ft. The pressurized Perlan 2 glider is designed to fly to 90,000 ft, conditions permitting.

Airbus Perlan Mission II will continue its 2018 flying season through mid-September, when the season for stratospheric mountain waves in the southern hemisphere begins to die down, and the all-volunteer Perlan Project team will return from Patagonia to homes in the U.S. and around the world. The number of flights remaining will be determined by weather conditions.

Viewers around the world have been following Perlan flights live as they occur on the Airbus Perlan Mission II Virtual Cockpit at http://bit.ly/VirtualPerlan2. The Virtual Cockpit shows the glider's altitude, airspeed, remaining oxygen, map position, and even live streaming video from a camera in the tail when the aircraft is in range.

Fans can also sign up to be alerted when Perlan is flying at www.perlanproject.org/contact.

Source: Airbus

Published September 2018

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