The need for further development is mainly due to the design of the air-cooled condensers. Until now, the so-called Forced Draft, in which the fan, driven downwards by a helical gear with a low-speed shaft, blows the air through the condenser roof, has been the classic design. The latest design is the air-cooled condenser of the so-called Induced Draft. In this design, a right-angle gearbox with a low-speed shaft upwards drives the fan (the arrangement is like the wet cooling tower). The fan sucks the air through the condenser while the gearbox is in the "hot" area of the air condenser. The Hansen M5CT right-angle gearbox has been specially designed for this latest design and built in accordance with the specifications of the Cooling Technology Institute (CTI).
The Hansen M5CT is packed into a rigid housing design to withstand peak loads from the heavy-duty applications. The housing is equipped with cooling fins, allowing high thermal ratings to be achieved. Optional a fan can be added, or other cooling systems can be integrated in high temperature environments. The basis of the Hansen M5CT is the Hansen P4 series of gearboxes with one of the highest torque densities for maximum load, minimum efficiency losses, low weight, and quiet operation. The balanced gear design and the special micro-geometry of the gearing ensure optimum tooth engagement and can therefore withstand high shock loads, for example when starting the fan.
Special sealing systems ‚Oil Seal Hood‘ and ‚Oil Lock‘ significantly reduce maintenance work. The self-developed lubrication system is available without pump or external piping and does not require any additional monitoring. An optional pump is also available, which is located above the gearbox feet so that the gearbox can be positioned on a simple base plate. This also allows for easy maintenance.
The materials and instruments are especially selected for corrosive and extremely humid environments. The standard paint used is according to ISO 12944-C5 corrosion category and offers high resistance for these heavy-duty applications. The inspection cover is mounted above the oil level and is therefore easily accessible without oil drain. Additional instruments and accessory options are available, e.g.: Condition monitoring of temperature or vibration.
Hansen Industrial Transmissions nv, headquartered in Belgium, has been part of the Sumitomo Drive Technologies umbrella brand since 2011 and is expanding it with almost 100 years of technological experience in the areas of heat treatment, cylinder and bevel gear grinding, housing machining, assembly, testing and services. In 2018, the Global R&D Center for industrial gear units was founded in Edegem.
The new Hansen M5CT industrial gearbox is the logical continuation of this company development and is available immediately.
Under the umbrella brand Sumitomo Drive Technologies, Sumitomo Heavy Industries combines all companies, brands, and products of the Power Transmission & Controls Group worldwide. The brand stands for a global product portfolio of gear boxes, gearmotors, precision gearboxes, industrial gearboxes, and centrifugal drives of the most varied designs and for over 140 years of expertise. With the acquisition of the Belgian company Hansen Industrial Transmissions in 2011, the acquisition of the Italian motor manufacturer Lafert Group in 2018 and the acquisition of the Welsh motor control specialist Invertek Drives, the long-established Japanese group is continuously expanding its expertise as a manufacturer of complete drive train solutions. With 10 production facilities, over 30 assembly plants, 250 sales offices and almost 7000 employees on five continents, the company has an extensive network to meet regional customer requirements.
Sumitomo Drive Technologies
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http://www.sumitomodrive.com
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