Worm Gear Reducer
NMRV Series Worm Gear Reducer
Products Characteristics：
NMRV series worm gear reducer is a new-generation of product developed with a compromise of advanced technology both at home and abroad. Its main features are as follows,
1. Made of high-quality aluminum alloy, light weight and non-rusting.
2. Large output torque.
3. Smooth in running and low in noise, can work for 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.
Main Materails：
1. Housing: die-cast aluminum alloy(frame size 025 to 090); cast iron(frame size: 110 to 150);
2. Worm: 20Cr, carbonize & quencher heat treatment make the hardness of gear's surface up to 56-62 HRC, retain carburation layer's thickness between 0.3 and 0.5mm after precise grinding.
3. Worm wheel: wearable stannum bronze alloy.
Surface Painting
Aluminum alloy housing:
1. Shot blasting and special antiseptic treatment on the aluminum alloy surface.
2. After phosphating, paint with RAL5010 blue or silvery white paint.
Cast iron housing:
First paint with red anti-rust paint, then paint with RAL5010 blue or silvery white paint.
