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NMRV series worm gear speed reducer is a new-generation of product developed by our company on the basis of perfecting WJ series products with a compromise of advanced technology both at home and abroad its main features are as foIlows 1.Housing:die-cast aluminum alloy(frame size:025 to 090); cast iron(frame size:110 to 130). 2.worm: 20Cr,carbonize & quencher heat treatment make the hardness of gear's surface up to 56~62 HRC, retain carburization layer's thickness between 0.3 and 0.5mm after precise grinding 3.worm wheel: wearable stannum bronze alloy 1.Made of high-quality aluminum alloy, light in weight and non-rusting 2.Large in output torque. 3.Smooth in running and low in noise, can work long time in dreadful conditions. 4.High in radiating efficiency 5.Good-looking in appearance, durable in service life and small in volume 6.Suitable for omnibearing installation
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