crane duty helical gearbox

Casing Rigid, robust and torsion resistant in quality close grained Grey Cast Iron to make sure proper radiation against heat generated when units are operated in their maximum capacity
Helical Gears & Pinion Shafts These have involute profile teeth and so are constructed using high alloy case hardening steel.
Shafts Low speed shafts created from medium carbon steel that is duly heat treated and finished to high precision tolerance by grinding process, thus stopping leakage of oil and entry of dirt.
Bearings Antifriction bearings used to ensure long service life in addition to high process efficiency.
Direction of rotation Though gearboxes are ideal for rotation in either path, working in and functional test run is done toward rotation specified.
Lubrication For normal speeds, splash lubrication is provided. At places where splash lubrication is not effective, a built-in/separate mounted lubrication oil pump is utilized for forced-feed lubrication.
Cooling Additional cooling systems provided inside lower part of housing depending on power to be transmitted and ambient temp.
Overhung Loads Bearings may withstand overhung loads that occur due to mounting of smooth and V-belt pulleys, gear wheels and chain sprockets of appropriate dimensions.
Painting Casting areas painted with linear epoxy primer (both internally and externally).

High load carrying capacity
Minimal noise generation
A few of the standard structure features include:

Finding make use of in Cranes & Hoists, these could be offered in range from 2 HP to 100 HP according to the specific process requirements of the customers. Further, the superior Equipment tooth geometry design also allows era of maximum efficiency that includes –

These gearboxes provide ease of servicing and also rigid, robust and torsion resistant casing in order to ensure long assistance life standards. The casing is made of quality close grained Grey Cast Iron that is proportioned to make sure proper radiation of temperature generated when the products are operated at maximum capacity. Further, ideal ribs are placed under bearing chairs for high strength with walls of adequate thickness to withstand many severe stresses faced during procedure. Further, we also hold expertise in providing housing in cast steel/fabricated steel finish if required.

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