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NORD DRIVESYSTEMS has extended its successful NORDBLOC.1 series with a single stage gear unit for applications with high speeds and torques.
The new NORDBLOC.1 helical gear unit features ultimate efficiency, high torsional rigidity, low running noise and long service life. In addition, they also meet even the most stringent hygiene requirements thanks to their wash-down design. The innovative gear units do not have any separating joints or closing caps. This increases the stability of the product and at the same time provides a smoother surface on which neither liquids nor solid materials can accumulate.
The FEM-optimised UNICASE housing ensures maximum strength and rigidity. In addition to increased rigidity the internally reinforced design also ensures especially quiet running. All bearings and seal seats are contained within the casing, eliminating joints which can weaken the housing and allow oil leakage. Bores and mounting faces are machined in one step, enabling extremely precise tolerances — thus ensuring accurate positioning of gear teeth, bearings and seals, and longer life for all components. The housing is made from high strength, corrosion resistant aluminium and is therefore especially lightweight and robust. Additional protection is provided by the optionally available nsd tupH surface treatment. The smooth, easy to clean housing makes the NORDBLOC.1 gear unit particularly suitable for users from hygienically critical sectors such as the food or pharmaceutical industries.
The gear units are generously dimensioned and can withstand large radial and axial forces. A particular benefit of the large bearings is the larger diameter of the internal shafts, which increases the bearing strength. The gear wheels are made from case-hardened steel and permit high short-term overloads.
The new NORDBOLOC.1 products are available in five sizes with motor powers from 0.12 to 7.5 kW for output torques of up to 280 Nm. All variants are available as flange mounted (B5 or B14), or foot/flange mounted versions. Options for IEC and NEMA motor mounting as well as a wide range of equipment variants for shafts, bearings and lubrication can be flexibly implemented.
Robust, efficient, quiet and compact – with the single stage NORDBLOC.1 helical gear unit, NORD has created a reliable, robust and economical drive solution for pumps, mixers and fans, as well as for conveyor technology applications.