Product Description
NMRV gearbox per motovario standare
Size:NMRV025. NMRV30. NMRV40. NMRV50. NMRV63. NMRV75. NMRV90. NMRV110. NMRV130. NMRV150
Structure Features
1. Made of high-quality aluminumalloy, light in Weight and non-rusting
2. Smooth in running and low in noise, can work long time in dreadful conditions
3. High in radiating efficiency
4. Good-looking in appearance, durable in service lifa end small in volume
5. Suitable for ominbearing installation
Main Materials
1. Housing: Die-cast aluminum alloy(size 025-090), cast iron(size 110-150)
2. Worm sahft: 20CRMNTI, carbonize 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
Surface painting
Aluminum alloy housing:
1. Shot blasing and special antiseptice treatment on the aluminum alloy surface
2. After phosphating, pain with bule. Sliver, grey, red or based on customer demands
