This category covers:
Equipment that aids the control of industrial processes subject to continuous changes in position. Includes drives, motors, gears, chains and belts, bearings, actuators, brakes and clutches.
The E-Spool from Igus has been designed to guide multiple cables within confined spaces. The product is suitable for a number of fields of application, including process cranes, mobile crane trucks, sorting plants or stage applications. The E-Spool is an alternative to the classic cable drum, accommodating power, data, air and media together in one system.
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The LA27 single actuator from Linak for the TD3 motor is intended for use in comfort beds where extra functions like neck rest and/or knee bend is requested.
Miniature brushless DC motors (less than 5gr) offer some challenges both in design and manufacturing. They are used in several mass-volume applications, such as hard-disk drives and gyroscopes and more recently in some unmanned aircraft vehicles (UAVs), where Cedrat is involved. For this last application, the efficiency is of upmost importance. Cedrat has used its Flux software to optimise the brushless motor design.
Aerotech’s engineering reference guide serves as a valuable resource for all Aerotech motion and positioning control components and systems. Section 12 focuses on electrostatic discharge protection.
Aerotech’s engineering reference guide serves as a valuable resource for all Aerotech motion and positioning control components and systems. Section nine focuses on laser interferometer implementation. Laser interferometers represent the ultimate feedback device for high-precision motion control application. The combination of high resolution and outstanding accuracy has made it the ideal transducer for wafer steppers, flat panel inspection, and high-accuracy laser micromachining.
MRF actuators are new electromechanical components using magneto rheological fluids (MRF). When submitted to a high enough magnetic field, MRF switch from a liquid to a near-solid body. New MRF actuators were developed in order to reach three aims: to offer a blocking force at rest, which can be strongly reduced by applying a current, to provide an electrically controllable resistive force over a stroke of 30mm, to perform the control of the force in a very short time.
In this white paper from Cedrat Technologies, a design of a single-phase step micro motor is presented. The rotor has been optimised to induce the greatest magnetic energy using film permanent magnets. A special study has been performed to select the most advantageous magnetisation direction and the structure has been chosen taking into account micro technologies characteristics and the present know-how available for realisation of prototypes. A scale-two prototype has already been ...
Aerotech’s engineering reference guide serves as a valuable resource for all Aerotech motion and positioning control components and systems. Section eight focuses on computing maximum data rate.
Future aeronautics will more often use electrical actuators in place of hydraulic actuators. Existing amplified piezo actuators (APA) with steel shell, which deliver among the highest mass energy densities, are good candidates. Lighter carbon shells are being developed to further increase their efficiency. For helicopter rotor-blade applications this evolution is almost unavoidable, but it is also very interesting for other domains. High-modulus and high-tensile-strength carbon-fibre ...
This white paper from Cedrat Technologies introduces a new concept of a versatile piezo motor driven at ultrasonic frequency, and it elaborates on a number of space-related issues such as the compatibility with the relevant mechanical and thermal environment. Furthermore, the possible implementation in different space mechanisms is discussed, with specific focus on miniaturised equipment as needed for small satellites.