JV Engineers
Manufacturer & Exporter of Gears, Bevel & Pinions

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JV Engineers

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Home » Gearboxes » Crane Duty Helical Gearbox

JV Engineers Crane Duty Helical Gearbox

The crane duty helical gear boxes offered by us are designed and developed on modular construction concepts and are in conformation to defined industry standards in terms of –
These gearboxes also provide ease of servicing as well as rigid, robust and torsion resistant housing so as to ensure long service life standards. The housing is made of quality close grained Grey Cast Iron that is proportioned to ensure proper radiation of heat generated when the units are operated at maximum capacity. Further, suitable ribs are placed under bearing seats for high strength with walls of sufficient thickness to withstand most severe stresses faced during operation. Further, we also hold expertise in providing housing in cast steel/fabricated steel finish if required.

Finding use in Cranes & Hoists, these can be offered in range from 2 HP to 100 HP as per the specific process needs of the customers. Further, the superior Gear tooth geometry design also allows generation of maximum efficiency that includes –

Construction Features

Some of the standard construction features include:
Housing Rigid, robust and torsion resistant in quality close grained Grey Cast Iron to ensure proper radiation against heat generated when units are operated at 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 made from medium carbon steel that is duly heat treated and finished to high precision tolerance by grinding process, thus preventing leakage of oil and entry of dust.
Bearings Antifriction bearings used to ensure long service life as well as high process efficiency.
Direction of rotation Though gearboxes are suitable for rotation in either direction, running in and functional test run is done in direction of 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 used for forced-feed lubrication.
Cooling Additional cooling units provided inside lower part of housing depending on power to be transmitted and ambient temperature.
Overhung Loads Bearings can withstand overhung loads that arise due to mounting of flat and V-belt pulleys, gear wheels and chain sprockets of appropriate dimensions.
Painting Casting surfaces painted with linear epoxy primer (both internally and externally).

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