crane duty helical gearbox

Housing Rigid, robust and torsion resistant in quality close grained Grey Cast Iron to ensure proper radiation against high temperature generated when devices are operated in their maximum capacity
Helical Gears & Pinion Shafts These have involute profile teeth and are constructed using high alloy case hardening steel.
Shafts Low speed shafts created from medium carbon metal that is duly warmth treated and finished to high precision tolerance by grinding procedure, thus stopping leakage of essential oil and entry of dirt.
Bearings Antifriction bearings used to ensure long service life along with high process efficiency.
Path of rotation Though gearboxes are ideal for rotation in either path, running in and functional test run is done in direction of rotation specified.
Lubrication For regular speeds, splash lubrication is provided. At places where splash lubrication is not effective, a built-in/separate mounted lubrication essential oil pump is utilized for forced-feed lubrication.
Cooling Additional cooling devices provided inside lower component of housing depending on power to be transmitted and ambient temperatures.
Overhung Loads Bearings can withstand overhung loads that arise because of mounting of smooth and V-belt pulleys, gear wheels and chain sprockets of suitable 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 building features include:

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

These gearboxes provide ease of servicing and also rigid, robust and torsion resistant housing in order to ensure long assistance life standards. The casing is made from quality close grained Grey Cast Iron that’s proportioned to make sure proper radiation of heat generated when the units are operated at optimum capacity. Further, appropriate ribs are positioned under bearing chairs for high power with walls of enough thickness to withstand many serious stresses faced during procedure. Further, we also hold experience in providing casing in cast steel/fabricated steel finish if required.

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