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FEATURE MOTION CONTROL Putting magnetics in motion


The XPlanar system, however, is a highly adaptable and scalable system consisting of planar movers magnetically suspended above planar tiles that can be arranged as required. This allows machine builders to create flexible systems that effectively meet operational requirements.


HANDLING PRODUCTS Each planar mover has six degrees of freedom and can be used vertically, horizontally and even upside down without ever coming into direct contact with the tiles due to the use of permanent magnets. In addition to this, the movers can move jerk-free in two dimensions at up to 4m/sec, with 2g of acceleration and with 50 micrometres of positioning repeatability, the company explains. Each planar mover can handle products


Beckhoff Automation has launched a scalable system consisting of planar movers magnetically suspended above planar tiles that can be arranged as required, enabling machine builders to create flexible systems for moving products around


Each planar mover has six degrees of freedom and can be used vertically, horizontally and even upside down without ever coming into direct contact with the tiles due to the use of permanent magnets


A


t a recent press event, Beckhoff Automation introduced the XPlanar


motion control platform, a freeform tile system designed for the easy movement of products. Often, production plants will have a


series of stations through which conveyed products move. This new solution, however, enables the movement of products in a much more flexible manner. According to Stephen Hayes, managing


SERVO MOTOR TESTED TO 7000M UNDERSEA DEPTH


Elmo Motion Control has tested a version of its miniature Gold Twitter servo drive at a simulated undersea depth of 7000m. The drive was verified to operate with no compromise to standard specification performance at 700 bar, which is approximately 700


times greater than the pressure at sea level. This modified version of the drive was developed for typical


underwater applications such as deep-sea exploration, oil and gas or naval defence systems, where servo drives are used to power or provide robotic functionality for remotely operated vehicles (ROVs) and other autonomous underwater equipment. The Gold Twitter servo drive, available in the UK from Heason


Technology, is capable of up to 2kW continuous power output from a nominal voltage input of 48 to 170V DC, in a package size of just 35 x 30 x 14.4mm and weighing less than 18-22g.


Heason Technology 26 MAY 2019 | DESIGN SOLUTIONS www.heason.com


director, conveying has offered an efficient way to get products from A to B for many years. However, conveying systems tend to have a large footprint, they often require maintenance and there can be the possibility of contamination which would pose an issue for manufacturers in sectors such as food, pharmaceutical and chemicals. In addition, picking robots are often used to move products from one line to another.


quickly and efficiently, and washdown can be carried out without causing significant disruption to production. Of additional benefit, the lack of contact between the movers and tiles means that there is no accelerated wear or transference of potential contaminants. With the support of Beckhoff’s TwinCAT automation software, the movers can be coordinated to operate without fear of collision, the company adds. In fact, the system can be set up to use several movers in perfect synchronicity to transport heavier payloads. In addition, with the flexible setup of the tiles, the transport system can incorporate buffer zones and priority fast-track lanes to accommodate for production congestion.


Beckhoff UK www.beckhoff.co.uk


HYGIENIC SERVO MOTOR SERIES


With the stainless steel servo motors in its AKMH series, Kollmorgen has succeeded in combining a clean exterior with high drive performance, easy cleaning and high availability. For instance, the internal structural design effectively removes heat losses outwards. The improved heat removal capacity increases drive performance directly in practical usage, as the synchronous servo motors deliver more output for the same design size, the company explains. Heat and cold with rapid changes in temperature, plus water, create a further,


more serious effect of condensation in a motor’s interior, particularly in the meat processing industry. This is caused by the temperature-related constant pressure equalisation, since the volume of the gases expands with heat and contracts with cold. Kollmorgen has found a solution by using a ventilation function via the motor cable. This ensures that the pressure equalisation does not take place locally with the humid air of the meat processing operation, but rather uses the preferred temperature of the control cabinet’s protected atmosphere. The hygienic motors can easily be adapted to allow


installation into existing automation structures. Kollmorgen


www.kollmorgen.com 


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