Product Profile of Industrial Helical Gear Boxes
Nav Bharat supplies Industrial Helical Gear Boxes. Nav Bharat delivers customized and high yield Metal Working Equipments.
The Industrial Helical Gear Boxes has the following features:
? Casing:
Cast Iron inoculated for grain refinement, for small and medium size units and of
steel fabricated [By M.I.G. Welding] duty stress relieved for large size units. The
stress zones are amply ribbed against distortions under dynamic load
? Gearings:
Helical and spiral bevel gearing are provided with addendum correction based on
latest scientific findings. Gears made of Chrome Nickel Molybdnum steel are
integral or alloy steel rings shrink fitted onto cast iron or cast steel centres. The
internals are heat treated upto 300 BHN for pinions and upto 260 BHN for gears
prior to teeth cutting
? Shaft Extensions:
Provided with long holes at ends and grooves under bearing seats for removal of
Bearings and Couplings with S.K.F. hydraulic injection systems. The Shaft ends
are of "u6" tolerance for recommended shrink fitted couplers and to "n6"tolerance
for key fitting
? LUBRICATION:
Forced lubrication or scrapers are provided on both sides of gear for positive flow
of oil into the bearings in either direction of rotation
? COOLING:
Unibuilt cooling coils or external heat exchangers are provided where required.
