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Rexnord adds to its Autogard Torque Limiters with the XG Series

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Rexnord’s Autogard Torque Limiters lead the industry in overload protection with proven reliability, dependable expertise and a broad range of options that offer bi-directional protection, lower total cost of ownership, increased accuracy of torque limitation, and longer life at high speeds.

The most recent update to the Rexnord Autogard Torque Limiter range— the XG Series —provides our best ever protection from unexpected torque spikes for extruders. Designed to disengage the driving motor from the extruder gearbox in the event of a process jam, the XG Series was developed based on over 30 years of industry experience in conjunction with leading machine builders and users. Able to instantaneously separate damaging inertias over a pre-set level and featuring easy-to-adjust torque setting, drop-out options, simple manual disconnection and disengagement sensors, the XG Series is the mechanical fuse for extruders.

“Rexnord Autogard Torque Limiters currently protect thousands of machines and production lines around the world,” says Rob Hucker, Product Manager of Shaft Management Solutions. “We’re particularly proud of our heritage in the extrusion industry and are very excited to be offering this new solution to improve extruder and compounding machine up-time even further.”

Türkiye endüstrisine, alana özel, spesifik yayınlar üreten MONETA Tanıtım’ın sektörel dergilerinin editörlüğünü yapmaktayım. Yeni nesil, dinamik yayıncılık anlayışıyla, dijital ve basılı mecralarda içerik geliştirmek için çalışmaktayız.

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Industrial Hardware and Machine Parts

New DC Platform: Interroll presents an innovative drive solution

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Interroll is setting new standards in modern material flow technology. Interroll’s innovative range of coordinated RollerDrive products, control systems and power supply elements positions system integrators and plant constructors to now provide even more individual solutions for their customers, from plug-and-play standard applications to systems with Industry 4.0 functionality.

 The requirements placed on zero-pressure-accumulation material flow systems are becoming more demanding in terms of their technical performance. For a while now, users have required more than simply high throughputs or versatility in terms of the goods to be transported. As automation becomes more common, intelligent goods flow control plays an ever more significant role in conveyance systems. With the DC Platform, Interroll has developed a powerful technology platform that fulfills these requirements in an exemplary manner.

“With the new DC Platform, system integrators and plant constructors can choose from an innovative, coordinated range of technological solutions from a single supplier, all based on years of development and testing,” explains Armin Lindholm, Managing Director of the global Center of Excellence for rollers and RollerDrive in Wermelskirchen. “It enables them to deal with users’ requirements in a more individual manner. This new platform can be used to create a unique range of conveying solutions, from autonomous conveyors that can be commissioned without a programmable logic controller (PLC) using plug-and-play, all the way to tailor-made, high-performance systems that can be consistently and transparently integrated into the data universe of Industry 4.0 applications for the purpose of monitoring in control stations, for preventive maintenance or for other functions.”

Experience the benefits of 48 V technology

The new modular platform makes it possible for system integrators and plant constructors to design conveying systems according to customers’ requests in both 24 V and 48 V versions. With this step, Interroll is driving the technical evolution of protective low-voltage solutions that has been sketched out by automotive manufacturers. 48 V systems therefore enable the use of up to 50 percent fewer power supply elements than in 24 V systems. They enable the use of smaller wire cross-sections and longer wire lengths, and reduce the number of error sources, for instance as a result of voltage drops on the wires. This significantly reduces the investment required in the entire system and the risk of errors during commissioning.

Three power levels to choose from with the new RollerDrive

However, customers don’t just have more options when it comes to the voltage type of the new DC Platform. The new RollerDrive EC5000 also offers more flexibility in terms of its mechanical output power. The new motor rollers are available in 20 W, 35 W and 50 W versions that can take on any transport tasks for light or heavy goods. To support the implementation of conveyor solutions for heavy goods, Interroll offers the 50 W power option as well as a RollerDrive version with tubes measuring 60 mm in diameter instead of 50 mm. What’s more, the well-known IP66 and Deep Freeze design options are available; these enable RollerDrive solutions to be implemented even in areas that are cleaned using powerful water jets or that reach temperatures as low as -30° C.

Bus interface opens the door to Industry 4.0

Alongside the tried-and-tested analog interface, the EC5000 can be supplied with a bus interface based on the CANOpen standard, upon request. This means that modern conveying systems can offer data transparency for the first time. In combination with an Interroll control system with multi-protocol capability (PROFINET, EtherNet/IP and EtherCat), this means that users can consistently visualize a range of information and functions on the screen using the PLC or a web interface. One example is the display of general information about the current operating state and the operating load of the individual drives over time. In parallel, the control systems enable a range of detailed information such as precise error statuses, torque or temperature, for instance, to be read out for each individual drive.

At the same time, the new RollerDrive’s bus interface enables users to carry out completely new control functions that are required in an automated environment. As a result, users can control the acceleration, speed and deceleration of the conveyed goods in the system more precisely. This solution also allows them to position the relevant goods on the conveyor to the nearest millimeter—a key requirement in order to guarantee seamless conveying interplay between the conveyor solution and robots or automated gripper arms.

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Industrial Hardware and Machine Parts

Changing workplace: Digitalization and cognitive ergonomics

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Digitalization, automation and Industry 4.0 are impacting intralogistics. But how do employees cope with the upheavals of the digital revolution? This is what the still young discipline of cognitive ergonomics is investigating.

Smaller batch sizes and larger format changes, shorter product cycles and higher demands on delivery speed and flexibility – the changes in purchasing behavior and customer expectations associated with digitization are also directly reflected in intralogistics processes. At the same time, innovative, digital assistance systems such as robotics, wearables, RFID, etc., are holding their own. Moving into the warehouse, picking and shipping. Both mean a changed workload for the employees on site, whose tasks become more complex and run under greater time pressure.

Focus shifts to mental stress

Ergonomics is the adaptation of working conditions to people. Polluting environmental factors are, for example, poor lighting conditions, dirt, noise, smoke and dust or the wearing of protective clothing. In addition, there are physical exertions such as working in a standing position or under forced postures or lifting and carrying heavy loads. With the growing use of digital systems, the focus is now shifting to mental stress.

Dr. Veronika Kretschmer is a psychologist at the Fraunhofer Institute for Material handling and Logistics IML specializing in cognitive ergonomics. Within the framework of the Logistics and IT Service Center, an initiative of the Fraunhofer IML in Dortmund in cooperation with other research institutions, an interdisciplinary working group is investigating the extent to which digitization is changing the work of those affected. After all, despite all the automation, people are indispensable.

Our analyses show that employees in the warehouse are exposed to psychological demands in addition to physical strain. With the digital transformation of processes, informational stresses are now being added, which will lead to a changed stress pattern.

Order picking: Customer immediately notices faulty system

The penetration of information in the cost- and time-intensive picking area has greatly increased in recent years with the use of electronic aids such as hand scanners, pick-by-light, pick-by-voice or pick-by-vision. However, despite growing automation, manual systems still play a major role in order picking because they are often more flexible.

According to estimates, around 80% of processes are still performed manually. Order picking has an immediate effect on the company’s reputation because the customer immediately notices a faulty system. And if the focus has so far been on cost efficiency, a human-centered and ergonomic design of work environments and processes is increasingly required.

Augmented Reality has opportunities in short-term deployment

Among the “smart devices”, augmented reality (AR), the linking of reality with well-established information, has a special appeal.

A comparison of paper lists, tablets and AR glasses during palletizing suggests that AR is suitable, but usability needs to be improved.

Veronika Kretschmer refers to problems such as weight, costs and software diversity. She therefore sees the chances of this technology primarily in short-term use, for example in training or maintenance.

Virtual Serious Games for realistic trainings

Virtual reality techniques (VR) for training in the form of virtual serious games are an exciting field of investigation. They allow a VR-supported simulation for training and education with a realistic perception of situations that are difficult or cost-intensive to convey. In this way, learning success can be increased in a playful way. This is also shown by a study conducted by Veronika Kretschmar together with others. Here, the logistical activities of a packaging process were simulated realistically. The results showed good user-friendliness, a positive user experience and moderate stress.

The central goal of cognitive ergonomics is to create a “stress optimized design” of industry 4.0 systems. The changing work processes will also increase the physical and cognitive demands in intralogistics in the future. Veronika Kretschmer recommends that, in addition to the known physical strain, psychosocial activity characteristics and work organisational conditions should also be given greater consideration.

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Industrial Hardware and Machine Parts

ABB’s award winning solar inverter

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At Intersolar Europe, ABB’s new PVS-175-TL string inverter, which delivers up to 185 kW active power has been recognized by industry experts as the leading PV product innovation at the 2018 Intersolar Awards.

Delivering up to 65 percent savings on installation and logistic costs for ground mounted utility scale applications, the ABB PVS-175-TL delivers the largest capacity on the market for a 1500Vdc string inverter.

The unique capabilities of ABB’s new PVS-175-TL lie in its ability to generate up to 185 kW active power and the judging panel was impressed by the high modularity of the product, which improves yields and reduces operational maintenance costs. Judges praised the string inverter as the next step in improving the overall efficiency in PV systems and recognized its high power density and operating temperature range between -20°C and up to 60°C.

Together with all the key benefits of traditional string inverters, its innovative modular design means that up to 65 percent fewer inverters are required to complete the optimal power block, without the need for AC recombiners. This delivers up to 65 percent savings on installation and logistic costs, improving Levelized Cost of Electricity (LCOE) for utility-scale installations.

The three-phase PVS-175-TL with advanced digital capabilities through ABB Ability™, ABB’s comprehensive cross-divisional digital offering, delivers up to 185 kVA at 800 Vac and ultra-high-power density of 1.3 kW/kg. This not only maximizes the ROI for ground-mounted utility-scale applications but also reduces Balance of System costs for small to large scale, free field ground mounted PV installations.

“As demand for higher voltage and higher power class ratings continues to grow, we are very excited to bring to the solar energy industry a scalable and versatile solution. We are delighted to be recognized at the highest possible level in our industry, particularly with the market shifting towards new technologies to enhance solar power generation in a reliable, safe and cost-effective manner,” commented Giovanni Frassineti, who heads up ABB’s Solar Business Unit. “This latest product not only supports higher power densities, but also improves installation with reduced commissioning time. It also benefits from advanced communication and digitalization for condition based monitoring and proactive maintenance for the operator.”

Quick and easy installation, improved accessibility and visibility, advanced digitalization monitoring through ABB Ability™, bigger PV clusters and modular combiner free design are just some of the many advantages of the PVS-175-TL.

Presented at Intersolar Europe for the first time, the PVS-175-TL is a plug-and-play inverter with easy install directly onto the existing PV modules’ mounting system, using the same process as installing a DC string combiner box.

A dedicated Installer App provides simple and quick plant installation instructions and gets all inverters employed, in a single cluster, and commissioned in less than 20 minutes.

The high performing PVS-175-TL delivers:

  • High power density – largest on the market for a 1500 Vdc inverter, offering up to 65 percent savings on installation and logistics costs.
  • Installer friendly, reducing OPEX costs by 30-40 percent with quicker installation as the existing PV module’s mounting systems can be used to install the inverters, with no need for other devices like DC and AC combiner boxes, saving time and cost on site preparation and hire of plant.
  • Greater capacity without compromising on versatility – through its 12 MPPT input channels – the largest range available on the market – PV plant design flexibility and yields are increased in complex installations. The design friendly inverter solutions can be easily adapted for free field ground-mounted installations, ensuring that installers and developers are no longer locked into legacy systems.
  • Modular and combiner free design – up to 24 strings can be directly connected to the wiring compartment which, thanks to the integrated DC disconnect and AC wiring section with optional AC disconnect, eliminates the need for separate DC combiner box and AC 1st level combiners.
  • Enhanced O&M – can be achieved during the operating life of the plant through its unique Advanced Cooling Concept. The internal fans (which are not heavy-duty inverter cooling fans) can be easily removed during scheduled maintenance cycles, whilst the power module can be easily replaced without removing the wiring box. This preserves the lifetime and reliability of the product and minimizes O&M costs.
  • Digitalization – featuring ABB Ability™ to deliver improved user experience, reduced time on site through remote monitoring and predictive maintenance, future proofing the system via automatic upgrades, compliance and integration with new IP protocols. Multiple data streaming and services can be run in parallel.

ABB is consistently investing in R&D with extensive testing and development of its portfolio to deliver integrated technology and service solutions which optimize performance, reliability and return on investment of any solar installation and fulfill the requirements of local markets.

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