High Quality Boston Casting Worm Gearbox

gearbox per Boston standareStructure Features1. Heavy duty cast iron housings2. Chill cast bronze gears3. Precision ground hardened worm5. Industry-standard mounting dimensions6. Pre-filled with food grade (H1) Klubersynth UH1-6-460 synthetic oil7. Sealed housing provides maintenance-free lubed for life operation.Main Materials1. 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 grinding3. Worm wheel: Wearable stannum bronze alloySurface paintingAluminum alloy housing:1. Shot blasing and special antiseptice treatment on the aluminum alloy surface2. After phosphating, pain with bule. Sliver, grey, red or based on customer demandsApplicationsWide variety of applications requiring slow speed and high torque, ideal for conveyors, material handling, textile machines, packaging machinery, etc.