BMG’s specialist drives and motors division has extended its Nord range to include robust units with sealed surface conversion treatment for improved process reliability in extreme ambient conditions. “Nord’s NSD tupH surface and corrosion protection system, which is resistant to acids and alkalis and is free from chromates, enables efficient drive performance in harsh operating environments,” says product manager, Derrick Louw. The catalytic NSD tupH process bonds a high hardness layer to the aluminium substrate of standard Nord geared units. This layer has a surface hardness of up to seven times that of untreated aluminium and is about 1000 times harder than paints and lacquers. Advantages include a substantially lower mass, improved installation options and cost efficiency, with optimum protection against scratching, blistering and corrosion, even if the unit is damaged.
NSD tupH finished units can be combined with stainless steel shafts, sealing components and lubrication suitable for harsh environments. This surface treatment is available for the entire Nord range of aluminium products, which includes worm gear units, bevel and helical gear units and smooth motors.
The Nord range, which is designed by German precision engineers, Getriebebau Nord and assembled locally by BMG according to stringent international quality and safety specifications, has earned recognition throughout the world for reliability, efficiency, low noise levels, extended life and reduced maintenance.
Local assembly of this high quality range means reduced downtime during maintenance because of prompt delivery of components and ready availability of spare parts. This lightweight surface protection system provides durability advantages for aluminium gear unit and geared motor frames.
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