Tech Briefs Magazine - August 2021 - MD-27

Absolute Encoder
Faulhaber Micromo (Clearwater, FL) released the magnetic
Motion Platform
AEMT-12/16 L absolute encoder with a preset multiturn resolution
of 16 bits (65,536 revolutions) and a single-turn resolution
of 12 bits (4,096 steps) for commutation, speed control, and
motion control. The multiturn count can be reset via an additional
interface pin during start-up. Position data can be queried by an SSI Interface with BiSSC
Protocol. With a line driver, the interface is designed differentially and is based on the RS-422
standard, so it is possible to position the motor/encoder unit up to five meters away from the
controller. The encoder can be connected to a main power supply as well as a backup battery
or alternative energy storage.
For Free Info Visit http://info.hotims.com/79416-306
Motor/Actuators
Curtiss-Wright Actuation Division (Chanhassen, MN) offers the
Exlar® GTX060 integrated motor/actuators. The industrial elec -
tromechanical actuators provide force, precision, and repeatability
and offer continuous force ratings up to 2,668N (600 lbf) and
speeds to 1,016 mm/sec (40 in/sec) in both VAC and VDC power
options. Features include high-capacity planetary roller screws, splined rod option eliminating
the need for an external anti-rotational device, IP66S environmental protection, connection to
most motion/motor controllers, and removable front seal bushings to simplify maintenance
and re-greasing of the nut assembly.
For Free Info Visit http://info.hotims.com/79416-303
Torque Limiter
ENEMAC (Kleinwallstadt, Germany) introduced the type ECH
torque limiter with an integrated chain wheel. In case of an overload,
the torque limiter disengages in a few seconds and the transmission of
the torque stops. To activate the machine's emergency stop, the
switching movement of the disc spring must be sensed by a proximity
switch. When the engine starts slowly, the limiter engages automatically
after one revolution. The safety coupling is available in 11 sizes for disengagement torques
between 2 and 900 Nm; the sprocket size can be determined by the customer.
For Free Info Visit http://info.hotims.com/79416-317
Gear Units
MAXXDRIVE and MAXXDRIVE XT parallel and right-angle industrial
gear units are available from NORD Gear (Waunakee, WI). The MAXX -
DRIVE gears offer torques from 132,800 to 2,301,200 lb-in, ratios from 5.54
to 30,000:1, and 2.5 to 8,075 HP across 11 sizes. MAXXDRIVE XT rightangle
gear units with thermally optimized housings offer torques from
132,800 to 663,800 lb-in, ratios from 6.14 to 22,91:1, and 30 to 2,825 HP
across seven sizes. The gears' UNICASE one-piece housings allow for multiple
mounting surfaces. The units are constructed with case-hardened and hard-finished gearing
as well as a roller bearing system for quiet operation. A motor can be attached via industry
standard NEMA or IEC adapters.
For Free Info Visit http://info.hotims.com/79416-318
Brushless DC Motors
Nanotec Electronic US (Stoneham, MA) offers DFA68 and DFA90
series brushless DC motors with integrated encoder for applications
that require precise positioning in confined spaces. Both motors are
equipped with a 3-channel encoder and have a resolution of 4096
CPR. They feature field-oriented torque, speed, and position control.
The inductive scanning principle, which is insensitive to magnetic
interference, enables the encoder to be integrated directly
into the motor. The DFA90-E has a diameter of 90 mm and rated power of 168 W at a rated
speed of 2,000 rpm. The DFA68-E has a diameter of 68 mm and achieves 106 W at a rated
speed of 3,500 rpm.
For Free Info Visit http://info.hotims.com/79416-307
Motion Design, August 2021
Cov
ToC
Haydon Kerk Pittman, a
business unit of AMETEK®
Advanced Motion Solutions
division (Waterbury, CT),
announced the Z-Theta
motion platform for linear
and rotary point-to-point
motion. The configurable
design is a modular bolt-in
package that integrates into
OEM assemblies. The platform
features the ScrewRail®
linear actuator that combines
guidance and linear transmission
in a co-axial profile.
Dual-motion integration with
a pair of stepper motors adds
rotary (theta) motion in a manner that
reduces motion system size. The platform can
be customized for specific performance
needs with a variety of lead screw resolutions,
free-wheeling and anti-backlash nut selections,
stepper motor configuration options,
and optical encoder line counts.
For Free Info Visit
http://info.hotims.com/79416-300
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Free Info at http://info.hotims.com/79416-715
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Tech Briefs Magazine - August 2021

Table of Contents for the Digital Edition of Tech Briefs Magazine - August 2021

Tech Briefs Magazine - August 2021 - Intro
Tech Briefs Magazine - August 2021 - Sponsor
Tech Briefs Magazine - August 2021 - Cov1
Tech Briefs Magazine - August 2021 - Cov2
Tech Briefs Magazine - August 2021 - 1
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Tech Briefs Magazine - August 2021 - Cov3
Tech Briefs Magazine - August 2021 - Cov4
Tech Briefs Magazine - August 2021 - MD-Cov1
Tech Briefs Magazine - August 2021 - MD-Cov2
Tech Briefs Magazine - August 2021 - MD-1
Tech Briefs Magazine - August 2021 - MD-2
Tech Briefs Magazine - August 2021 - MD-3
Tech Briefs Magazine - August 2021 - MD-4
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Tech Briefs Magazine - August 2021 - MD-27
Tech Briefs Magazine - August 2021 - MD-28
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Tech Briefs Magazine - August 2021 - MD-30
Tech Briefs Magazine - August 2021 - MD-31
Tech Briefs Magazine - August 2021 - MD-32
Tech Briefs Magazine - August 2021 - MD-33
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Tech Briefs Magazine - August 2021 - MD-37
Tech Briefs Magazine - August 2021 - MD-38
Tech Briefs Magazine - August 2021 - MD-39
Tech Briefs Magazine - August 2021 - MD-40
Tech Briefs Magazine - August 2021 - MD-Cov3
Tech Briefs Magazine - August 2021 - MD-Cov4
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