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Drive systems

Environmentally friendly and field-proven drives for agricultural machines



Baumüller will be participating in Agritechnica in Hanover from November 10 to 16, 2019. The Nuremberg-based drive and automation specialist will be presenting its motors and systems in Hall 17 at stand H05a. At the trade fair, experts will present their achievements in the conception, engineering and development of individual drive concepts for agricultural technology.

Baumüller is making use of its many decades of experience in developing motors and producing electric engines, supplying energy-efficient components and comprehensive solutions for hybrid and fully electric drive systems. The low-noise, low-emission drive solutions are used in tractors, semitrailers, plowing machines as well as yard and wheel loaders.

Environmentally friendly and powerful alternative to diesel

Electric agricultural machines are a real alternative to diesel-powered vehicles. With their dynamic and powerful driving behavior, electric vehicles master the usual tasks with flying colors and they do this with long operating durations, flexible charging options and minimum noise pollution.

Baumüller’s engineering company, Baumüller Anlagen-Systemtechnik, designs and implements innovative drive concepts for mobile machines and implements them comprehensively, i.e. from battery management and the control system to the user-friendly user interface.

Baumüller equips both main drives and auxiliary drives, e.g. the hydraulic system in the bucket of a wheel loader, with its components and offers the option of integrating the BAUDIS IoT diagnostic and remote maintenance tool in addition to the electric drive system. In this way, necessary service measures can be planned in advance in a targeted way and operating times and loads can be optimally monitored and evaluated. This saves costs and enhances efficiency.

Intelligent drive solutions for agricultural machines

The powerMELA® drive concept, which Baumüller developed especially for mobile use in collaboration with Sensor-Technik Wiedemann GmbH, meets all the requirements for e-mobility thanks to its high power density, its compact and robust construction and its recovery capabilities. It consists of a combination of a permanent magnet synchronous reluctance motor, assisted by embedded magnets and an integrated four-quadrant converter. The compact design is firstly due to the integration of the converter, and secondly the compact construction of the electric motor. The drive’s innovative cooling concept enables an extremely high power density. The drive system thus requires minimum installation space and only weighs around 300 kg for the highest power category, including the motor, converter and transmission. The power density is thereby double that for motors using standard water cooling. With a degree of protection up to IP6k9k and a permissible temperature range from – 40 °C to 85 °C, the drive is especially robust. The motor design is also characterized by a broad speed control range, due to its excellent field weakening capacity.

The motor is available in the 50 kW to 140 kW nominal power classes. Alongside direct use in vehicles, the powerMELA® is also ideal for other applications, such as for trailers. In the higher power categories, a choice can be made between internal and external electronics. The drive can be used as a motor or a generator. Thanks to the extensive decoupling of the operating modes, it is possible to store excess energy, which improves the system’s energy efficiency as well as offering greater flexibility when designing innovative drive concepts.

The powerMELA® duo 280 is the latest drive package. The summation gearbox is designed for commercial vehicles with a power of 160 to 280 kW. It consists of two identical powerMELA C140 synchronous machines, a summation gearbox with speed and temperature sensors and a control unit.

Easy to integrate into existing vehicles and easy to swap with a combustion engine, the drive package is the perfect retrofit solution.

Smart innovations for efficient drives

The powerMELA® drive concept with internally toothed shaft is an absolute innovation. This interface version does not require any other costly transmission elements, such as couplings or pump supports.

This cuts down on costs and optimizes the installation space. For the powerMELA® drive system, this is offered for power ratings of 50 – 140 kW.

One of the major challenges for drive technology is the peak power required, for example, when starting up heavy commercial vehicles or moving heavy work loads and occurring at peak times. In such cases, enormous maximum torques are required to generate the required power and, if necessary, to maintain it. This is why Baumüller’s latest solution combines the powerMELA® drive concept with an internally toothed shaft and a hydraulic pump. Peak power can also be achieved by adding a smaller motor to the hydraulic pump, making it more cost-effective.

The hydraulic pump provides a further advantage. In addition to providing support for the drive, it can also be used for steering and working hydraulics. This ensures that the high power for starting, high speeds and movement of high work loads are implemented efficiently.

The complete powerMELA® system with internally toothed shaft and hydraulic pump can be seen live at Baumüller’s Agritechnica stand and is ideally suited for wheel and telescopic loaders.

Product Highlights

Another highlight at Agritechnica 2019 will be the drive solutions for small mobile applications. The bmaXX mobil is designed with an IP66 or IP20 degree of protection for four-quadrant operation and can not only supply power but also brake in both directions and feed back energy. For mobile use, the water-cooled controller is shock- and vibration-resistant. It can also be used at temperatures between – 25° and +65° Celsius. In combination with compact water-cooled servomotors of type DSP1 and DSD2 with degree of protection IP65, which impress with their high power density and a broad speed control range, they can be used even under extreme temperatures – ideal for mobile machines such as wheel loaders or agricultural machines.

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Drive systems

Drives for pallet conveyor technology



Pallet conveyor technology primarily requires economical drive solutions with high overload capacity. NORD DRIVESYSTEMS supplies optimally matched, individually configurable and flexible drive technology which reduces the number of versions and minimises costs, especially for transporting pallets and cage pallets with roller or chain conveyors.

For simple pallet conveyor technology applications, NORD has developed an efficient drive combination consisting of an asynchronous motor and a NORDAC BASE frequency inverter. This drive solution is specially tailored to the requirements of pallet conveyor technology and provides dependable technology with a robust design. It can be combined with all NORD geared motors and can be flexibly extended according to requirements, or the customer’s specifications. Standardisation results in a reduction of the number of versions. This considerably reduces stocks of spare parts, optimises maintenance and saves costs in the sense of TCO (Total Cost of Ownership).

The three-phase asynchronous motors provide powers up to 1.5 kW and feature high overload capacity, solid workmanship and a long service life. The frequency inverters are installed close to the motor and are equipped with an integrated PLC. The freely programmable PLC processes the data from sensors and actuators, provides diagnostic options and communicates with the higher level controller. A pre-installed software for control, parameterisation and diagnosis is configured for the special drive requirements of pallet conveyor technology.

The drive units can be integrated into all common bus systems. The AS interface or I/O interface are especially suitable as a simple and cost oriented solution for communication in pallet conveyor technology. A different bus system can be used without any problems if there are more sophisticated requirements.

Dependable, flexible, robust and service and maintenance friendly – with the combination of an asynchronous motor and the NORDAC BASE, NORD has created an application oriented drive solution for pallet conveyor technology.

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Drive systems

ABB drives standard for automation and future-proofed IIoT architectures



Just as HTML spurred growth of the Web, the new Open Platform Communication Unified Architecture (OPC UA) interoperability standard will enable industrial players to unlock the full potential of Industry 4.0.

In an announcement published today by the OPC Foundation, the organization states its vision of becoming the worldwide industrial interoperability standard. This seamless IIoT communication standard, called Open Platform Communication Unified Architecture will apply for all levels of industrial automation. Combined with Time Sensitive Networking (OPC UA over TSN) it will be able to replace a myriad of different fieldbus systems. Forecasting the end of disparate protocols, it will enable devices from different vendors to talk to each other – from the field level to the controller level all the way to the cloud.

ABB is committed to support the industry-wide adoption of OPC UA over TSN. At the vanguard of driving interoperability in industrial automation, ABB and B&R – the acquired and integrated solutions provider for machine and factory automation – have played a pivotal role in bringing together industry stakeholders to establish an open standards based communication for Industrial IoT. Additionally, ABB will take up a designated seat on the board of the OPC Foundation in 2019 to further help accelerate development of the new technology.

As OPC UA over TSN is vendor neutral, customers will no longer see their efforts complicated by incompatible protocols or proprietary ecosystems. This will facilitate integration and spur innovation – an imperative as the Fourth Industrial Revolution accelerates digitalization via the interconnection of billions of smart devices worldwide.

“ABB has long been a pioneer within the automation industry developing leading-edge technologies to deliver solutions to some of industry’s greatest challenges,” said Peter Terwiesch, President, ABB Industrial Automation Division. “That we have taken a leading role in reaching this historic milestone for open standards and interoperability in industrial automation, which will see major dividends for both customers and suppliers alike, is further testament to our commitment, expertise and vision to unlock the full potential of Industry 4.0.”

Adoption of the OPC UA over TSN standard will allow companies to leverage the benefits of multi-vendor, peer-to-peer communications and control between sensors, control devices, programmable logic controllers and distributed control systems without the need for costly and time-consuming software development and cumbersome gateways and bridges.

“Customers across the industrial landscape will no longer be bound to suppliers based on the communications protocol used,” said Bernhard Eschermann, CTO, ABB Industrial Automation Division and designated board member of OPC Foundation. “Adoption of the new standard will open up cross-industry collaboration and encourage partnerships driven by what creates the most value for customers.”

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Drive systems

Optimas Solutions licensed to manufacture Phillips Drive Systems



Optimas Solutions, a leading full service provider of fasteners and c-class components, is licensed by The Phillips Screw Company to manufacture a number of its innovative drive systems. This further reinforces Optimas’ commitment to producing advanced, reliable high-quality fastening solutions for challenging industrial applications.

In addition to managing a global network of high-quality suppliers, Optimas also has its own manufacturing capabilities. These enable Optimas to react quickly to unexpected product and component demands, thus supporting its customers with a flexible supply chain. Optimas’ manufacturing facilities specialise in cold forming and offer a wide range of services, from design and prototype testing to full-scale production of highly-specialised components.

As part of Optimas’ ongoing commitment to providing high-quality fasteners, the company holds manufacturing license agreements with The Phillips Screw Company. Optimas’ manufacturing sites, located in Wood Dale, IL, U.S., and Droitwich, UK, are licensed to produce PHILLIPS SQUARE-DRIV®, ACR® PHILLIPS II®, MORTORQ® Super and External MORTORQ® Super drive systems for automotive and heavy industrial applications.

Phillips Screw Company is the inventor of the original 1930s’ Phillips® drive system and continues to develop innovative, high-quality fastening solutions such as MORTORQ® Super high strength spiral drive and External MORTORQ® Super bolting systems. These are a family of products that, thanks to their long product lives, are used in challenging environments.  MORTORQ® spiral drive products feature high torque control which is achieved by providing a greater contact surface area between the driving tool and fastener head.

Phillips’ quality monitoring programme guarantees that only manufacturers that can deliver consistent precision and reliability are issued with a license to manufacture these drive systems. Within Phillips’ exclusive global network of less than 100 manufacturers, Optimas is licensed in both the US and UK.

Mike Mowins, President of Global Licencing at Phillips, commented: “Optimas has been a licensed manufacturer for many years, and this relationship has been highly advantageous for both parties. The numerous certifications and quality standards that Optimas adhere to attest to the quality of the components manufactured. These include ISO9001, ISO14001, OHSAS 18001 and the latest VDA 6.2 and IATF 16949.”

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