Nmrv Series Hollow Shaft Worm Reducer for Machines

Thorough Photos   Solution DescriptionParts:1. Housing: Die-solid Aluminium Alloy CZPT (RV571~RV090)Cast Iron CZPT (RV110~RV150)two. Worm Wheel: Wearable Tin Bronze Alloy, Aluminum Bronze Alloy3. Worm Shaft: 20Cr Steel, carburizing, quenching, grinding, surface...