we were able to resolve issues and implement changes to the programming, right on the CNC of the machine…and [it was] all done remotely, in a very short time period.” Voith Hydro boasts machining capabilities on workpieces over 42' (12.8-m) diameter and 350 tons (317.5 t) at the York facility. Surface fi nishes are typically 250 and 125 Ra occasionally 64 or 32 Ra
, though is required. The fi nishes are achieved
through both machining and secondary fi nishing operations, according to company sources. Ward further noted that on most new machines required
at Voith Hydro, “The cross-training capability of the CNC, the standardization of the HMI on various types of machines, the support provided and the previous successes our opera- tors and maintenance personnel have realized, all combine to make specifying Siemens as our control of choice an easy decision.” Siemens’ Weinstein likewise has a great degree of regard for the power generation equipment manufacturer: “We’re a proud partner to Voith Hydro in York, PA. Their facility is a great showcase for our fl agship CNC, the Sinumerik 840D, as used on an array of multiaxis machining centers to pro- duce large, complex geometry parts for the hydroelectric power industry.”
Edited by Yearbook Editor James D. Sawyer from information provided by Siemens Industry Inc. Drive Technologies — Motion Control (Machine Tool) and Voith Hydro.
The Power of Hydropower
About one-sixth of the world’s electricity is generated by hydropower. In addition, according to Voith, “Hydropower is currently the only renewable energy source that can deliver power on an industrial scale at competitive prices” with nonrenewable sources.
The company has been building power plants for better than a century. Its range includes large hydropower plants, pumped storage power plants, small hydropower plants, automation systems and innovative technology for utilizing the energy of the oceans and modernizing power plants, as well as full life cycle service.
In addition to its hydropower manufacturing facilities in Asia, Europe and the Americas, Voith Hydro conducts research and development activities in six sites around the world: Heidenheim, Germany; Noida, India; Shanghai; Sao Paolo, Brazil; Västeras, Sweden; and York, PA.
The company has many notable achievements over its
many decades. At the start of the last century, Voith was awarded the contract to supply turbines to the Ontario Power Company for installation at Niagara Falls. Between 1903 and 1913, the company delivered a total of 12 Francis spiral turbines to Canada. The twin turbines, each capable of more than 12,000 hp (8950 kW), were among the largest and most powerful of the time.
At about the same time, Voith made its fi rst delivery of equipment to China. In 1910, the company installed a turbine at the Shi Long Ba hydropower plant in Yunnan province. This was China’s fi rst hydroelectric power plant.
Despite having helped develop the generation of hydro- electricity for better than 100 years, there are still fresh and fertile fi elds to cultivate. As Richard Taylor of the International Hydropower Association noted, “Tremendous potential for hydroelectric power in South America, Africa and Asia is not being used.”
Milling, line boring and turning operations are performed on large multiaxis machine tools, most equipped with Siemens SINUMERIK 840D CNC onboard to control all axes of motion.
59 — Energy Manufacturing 2015
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