PRODUCTS TECHNOLOGY FILE
AGRI DISC HUB UNITS FITTED TO DISC HARROWS
Galucho, agricultural machinery manufacturer, is now fitting Agri Disc Hub units from NSK to the company’s disc harrows. NSK’s Agri Disc Hub is
designed purposely for agricultural applications
and is extremely robust, offers greater productivity, reduced costs and environmental protection. The units comprise double-row angular contact ball bearings that are capable of supporting very high axial and radial loads. Agri Disc Hubs extend the equipment’s working life without requiring maintenance (thus saving time), even during the severe mechanical stresses caused by agricultural use. This is thanks to a number of notable features, such as a highly efficient, optimised sealing system that stops abrasive dust and humidity from getting inside the bearings. NSK
www.nskeurope.com SENSORS HEADING FOR MARS IN 2020
TT Electronics has announced that its sensors will be used in the NASA mission to the planet Mars in 2020. The robustness of the company’s Hall-effect sensors enables them to withstand the harsh environments found on Mars. The Rover will be landing on the surface of the red planet in 2021, and the sensors will detect magnetic fields in motors that control the speed and movement of the Rover’s robotic arm. The Mars 2020 Rover will carry an
entirely new subsystem to collect and prepare Martian rocks and soil samples. About 30 samples will be deposited at select locations for return to Earth on a potential future sample-retrieval mission. David Kertes, vice president of global sales and marketing, Industrial Sensing and
Control, TT Electronics, said: “We are delighted that our Hall-effect sensors will fly on NASA’s 2020 mission to Mars. This further underpins the high-quality and integrity of our components for use in mission critical, aerospace and space applications. It is particularly exciting that the devices will be deployed as part of the system that controls the robotic arm of the Rover, the very ‘core’ of the mission, to collect Martian rock and soil samples.”
TT Electronics T: 01932 825300 DIAGNOSTICS SERVICE DRIVES DOWN STRESS LEVELS
ABB’s inspection and diagnostics service protects operator investment by assessing variable-speed drive conditions to identify future maintenance needs. ABB-certified engineers analyse the performance and condition of the drive on-site, and use their expertise to provide detailed diagnostics and maintenance recommendations for the end user. Two variants of the service are available: Drive Health Check, for ABB’s ACS607 and ACS800-07 drives, offers detailed measurement and inspection which takes place during planned shutdown. The current condition of the drive is assessed, and recommendations are given for short and long-term maintenance. Drive Stress Check, for ACS800 and ACS880 single drives and
multidrive modules, requires no shutdown and can be performed during normal operation. The stress status of the drive is identified and recommendations are provided to mitigate the effects of harsh environments or heavy-duty applications. It is estimated that a variable-speed drive could have a mean-time between failure (MTBF) of over half a
million hours – equivalent to 62 years – but this is only achievable if the drive is correctly and regularly maintained. Drives often perform critical duties and failures can result in substantial losses in production and revenue. The inspection and diagnostics service helps to inform operators of exactly what is going on inside their drive, and arm them with the knowledge to ensure that it continues to run at optimal efficiency. ABB
www.abb.com STAND-ALONE LASER ALIGNMENT SYSTEMS
have to offer. Whereas before a laser alignment system required lengthy calibration and installation, Laser components has now simplified its design to accommodate accurate, simple, on-the-fly
Laser alignment systems are continuing to become a common sight in production facilities, manufacturing houses and even used by installation teams on customer sites. The reason for this sudden growth is the accuracy and time-saving features laser alignment systems
34 FEBRUARY 2017 | DESIGN SOLUTIONS
measurements, which can be measured by a user without the need for training. The Straightliner series is pre-
calibrated and is delivered with the laser and electronic target needed to perform a positioning or monitoring task. The Straightliner ECO features
seven LEDs on each axis, representing distance from the target centre, which can clearly be seen over distances up to 10m. The Straightliner implements a
2D position sensing detector (PSD) to achieve a positional accuracy of 0.001mm over a 10mm² target area, and can be connected to a windows based PC via the provided Bluetooth dongle. The wireless link communicates with the Straightliner software, which displays a graphical representation of the laser position, as well as providing a data recording facility for accurate record keeping.
Laser Components
www.lasercomponents.co.uk
www.ttelectronics.com
CURRENT MONITORING MODUALISED
Mico Pro is the new current monitoring system from Murrelektronik. The modular system enables the user to adapt systems precisely to suit specific applications – offering a favourable cost-benefit ratio, while also being economical in its use of space. The patented tripping process assures optimum machine availability. An additional benefit is an integrated concept for potential distribution that significantly declutters the switch cabinet wiring. Mico Pro is a modular system for 12 and 24V DC operating voltages. The components can be selected for the particular application from numerous Mico Pro modules, and connected without tools via a power module, to form a closed system. The user can select between modules with one, two, or four output channels. Its narrow width of 8, 12, or 24mm enables significant savings in space. On the ‘Fix’ modules, the tripping currents (2, 4, 6, 8, 10, and 16A) are fixed. On the ‘Flex’ modules, the tripping current can be adjusted from one to 10A or from 11 to 20A. This increases flexibility and reduces the number of versions required. It is also possible to replace individual modules of the integrated network at any time.
www.murrelektronik.co.uk
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