gear box –industrial applications
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V.J.MANDRAWADKER
Gear Box –Industrial Applications
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Gear Box- Industrial Applications
Contents:
IntroductionGear/Gear BoxTypes of GearsTypes of Gear BoxesConstruction of Gear BoxesApplications of Gear BoxesConclusion
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Introduction: Every machine works at different speeds.But
the prime mover say motor runs at fixed RPM, say 1440,2800 etc. Hence it becomes necessary to reduce the speed of the motor. Therefore one assembly known as GearBox will be used in between motor and output machine.
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Gear: A gear is a cylindrical part having cut teeth on its periphery , which mesh with another toother part (gear) in order to transmit torque.
Gear Box: A gear box is a mechanical method of transferring energy from one device to another and is used to increase torque while reducing speed.
It is an assembly of Gears, shafts, bearings, keys, bearing covers, oilrings , oilseals and a casing to house all these machine elements.
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Types of Gears:SpurHelicalBevelWormSpiralPlanetary
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Types of Gears
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Classification of Gear Boxes: Gear Boxes are classified as per the following criterion.
a) As per the type of gears used i) Spur ii) Helical iii Bevel iv) Worm v) Spiral vi) Planetary
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Gear Box- Industrial Applications
b) As per the assembly of gear box i) Horizontal ii) Vertical
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Construction of Gear Boxes:Every gear box contains the following elements.i) Gear box Housing or casingii) Gearsiii) Shaftsiv) Bearingsv) Bearing coversvi) Keysvii) Oil seals/oil rings
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Gear Box- Industrial Applications
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Gear boxes are widely used in Industries.It is difficult to make a full list, however the following list gives majority of applications.
1.Electric Overhead Travelling Cranes2.Machine Tools e.g.Lathe,Drilling
machines,Milling machines,Grinding machines3.Sugar machinery4.Cement machinery5.Automobiles6.Material handling equipments
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Conclusions:Gear box is an essential unit of every
machine. Because machine runs with specific
speeds/torque which are to be provided as per the need of material,tool and customer.
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Thank You05/03/23
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