Hoist ropes and cables – where would we be without them? Well, for starters, our industry would be limited to providing vertical-transportation systems for buildings of only six stories in height. And, the towering skylines of major metropolitan areas would not exist. Imagine the world’s major cities with only six-story buildings. They would contain six…
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by Richard L. Lindemeyer and Dr.-Ing. Andreas Franz When choosing a wire rope for high-rise/high-speed applications, it is essential to find a rope that combines high-speed performance with features that deliver long-term cost savings, while reducing service interruptions. Traditionally, traction and extra-high-strength (EHS) traction-grade ropes with natural fiber cores were employed for these elevators in…
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by C. Erdönmez1, C. E. İmrak2 and Ö. Salman21Turkish Naval Academy, Head of Science Department, Department of Mathematics, Turkey,2Istanbul Technical University, Faculty of Mechanical Engineering, Mechanical Engineering Department, Turkey This paper was presented at USA 2012, the International Congress on Vertical Transportation Technologies, and first published in IAEE book Elevator Technology 19, edited by A.…
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Pfeifer DRAKO Drahtseilwerk GmbH, Germany This paper was presented at USA 2012, the International Congress on Vertical Transportation Technologies, and first published in IAEE book Elevator Technology 19, edited by A. Lustig. It is a reprint with permission from the International Association of Elevator Engineers (website: www.elevcon.com). This paper is an exact reprint and has…
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Elevator control technology has come a long way since the days of the earliest Ward Leonard control system. The lift engineer’s work has only become more complicated as attention is given to every single detail of design, lift travel, safety and commissioning. While simplification and ease of use must drive any technical advancement, both laymen…
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With the 12th-largest economy in the world,[1] South Korea has enticed all the major elevator companies and many independents to operate within its borders. According to Ilsub Choi, general manager of the Korea Elevator Safety Institute’s (KESI) Department of External and International Affairs, South Korea will have approximately 500,000 elevators in operation at the end…
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Schindler officials hope that a solar-powered elevator inspired by the much-ballyhooed, zero-fuel Solar Impulse plane on which it is a partner (ELEVATOR WORLD, September 2011) will become popular among customers who want to be environmentally conscious or avoid unreliable power service. The company unveiled its Solar Elevator, a modification of its standard 3300 gearless machine-room-less…
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The subject of this article was brought to the attention of ELEVATOR WORLD by Gary Ritch of Syracuse, New York. Ritch is owner and operator of the Central Variety Store, located in the heart of the city. A few years ago, he moved his business to its current location, an existing five-story building on South…
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The Eco Forum & Exhibition for Southeast Europe 2013 added LiftBalkans, a specialized business-to-business exhibition in Bulgaria devoted to elevators, escalators, components and accessories, to its annual event, which took place May 29-31 in Sofia, Bulgaria. Along with another new exhibition, “Smart Buildings,” LiftBalkans attracted a sufficient number of visitors, enhanced the event and will…
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Just over a decade ago, lifts had seven basic position indicators, where one had to really focus to read the lift position. Then came the era of dot-matrix displays with alphanumeric characters, which had the “wow” effect. Today, we have dot-matrix displays as lift-position indicators for the lowest segment of elevators and long dot-matrix displays…
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