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Brakes

Stromag high performance brake

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New modular, IP67 rated brake offers optimum performance and longevity for marine, offshore and other demanding applications.

Stromag, part of Altra Industrial Motion Corp, has launched a new, modular range of brakes designed for applications in challenging environments. The HPB (High Performance Brake) is an electromagnetically operated design that activates automatically in the event of a power failure to hold or stop loads. The new range is designed for working, holding and sudden stop applications, and is intended to deliver superior performance over a long working life.

The HPB is available in two-face or four-face configurations offering a brake torque range of 80 to 5,000Nm. Stromag has combined the latest design and manufacturing technologies with its 86 years of experience in mechanical systems to create a design that offers maximum performance in a small space envelope. The company has paid particular attention to the thermal characteristics of the brake, achieving superior heat dissipation for reliable dynamic performance.

The internal components of the HPB are all designed to resist corrosion and offer enhanced durability where exposure to salt water or other contaminants is likely. The new brake range is available in IP67 rated configurations, allowing it to operate where flooding or immersion in seawater is a possibility.

Considerable attention has also been paid to the electrical design of the brake, with rectifiers and quick switching units that optimise the switching characteristics and offer easiest installation. To aid integration in customer applications, it is available with a wide range of options, including tachometer mounting, an anti-condensation heater and microswitches to monitor switching operations and wear.

Applications for the HPB brake range include cranes, winches and hoists in harbour, marine or offshore applications. The new brake is also suitable for use in industrial environments where long-term reliability and resistance to harsh environments is a priority.

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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Brakes

New standards for brake performance, reliability, flexibility and low noise levels

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Warner Electric, a brand of Altra Industrial Motion, has developed a new family of brakes for stage and theatre applications, combining increased performance and reliability with very low noise levels, and a host of features specially requested by users in this demanding sector.

The compact designs provide braking torques from 5Nm to 4,600Nm, and feature a newly designed friction material developed especially to meet the requirements of stage and theatre applications. Warner Electric’s new Fenix family of brakes has been developed to provide the most reliable dampening system on the market. The range comprises three models: Fenix 08, with a single magnet and a single friction disc; the Fenix 10, with a single magnet and two friction discs, offering double the torque in the same package size; and the Fenix 09, featuring two magnets and two friction discs to provide full redundancy. The friction disc material is a new development from Warner Electric, not only to provide increased braking torque but also to address a specific issue within the stage and theatre industry – that of condensation. When the brakes are packed away after a show, having spent many hours high up in theatres in close proximity to hot stage lights, the rapid cooling from the high temperatures can cause condensation to form. In standard brake designs, this can cause the friction discs to swell and stick. This creates problems at the next time of use, as well as damaging the friction lining. The new Warner Electric material overcomes this problem, while also eliminating associated risks of corrosion, significantly increasing the life of the brake in this environmentally challenging application. The brakes also benefit from a new noise dampening system, reducing noise to better than 45db(A) straight out of the box – a feature requested by the industry. And Warner Electric guarantees noise levels of better than 50db(A) throughout the lifespan of the brakes, which is rated at 17 million cycles. As further innovation, all of the brakes include Warner Electric’s WES sensing technology as standard – a contactless solution to monitor the position of the armature and provide feedback on wear measurement. With very low hysteresis compared with conventional micro switches, and the elimination of drift of the switch point with temperature, use of the WES means that sensing distance is no longer a constraint, enabling the brake air gap to be reduced to as little as 0.15mm, giving increased braking torque. All of the brakes in the Fenix range also feature a dust cover and connections for an encoder as standard, and options for hand release. Furthermore, they are available in either high torque or high speed configurations. All of this enables each brake to be tailored to the precise requirements of individual applications. All of the brakes in the new Fenix family are certified to standards relevant to stage and theatre applications, including BGV-C1, DIN 56950-1, EN81-20/50 and DGUV 17.

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