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TYPES AND
APPLICATION OF
GEARS
Introduction
• The gears are a type of mechanical element whose teeth
are cut around a cylindrical or conical surface with the
same space.
• It is used for the rotation and transmission of force from
the drive shaft to the driven shaft when coupling a pair of
elements.
• The gears can be classified into
1. Spiral Gear
2. Cycloid and Tro-choidal Gears
Types Of Gears
• Helical Gear
• Spur Gear
• Bevel Gear
• Internal Gear
• Worm Gear
Helical Gear
• The helical gears are cylindrical gears that are used with
parallel shafts similar to the spur gears and have winding
teeth.
• They have a better teeth grip than spur gears, have
excellent low noise and can carry higher loads, which
makes them suitable for high speed applications.
Application of Helical
Gear:-
1.Fertilizer industries
2.Printing industries
3.Earth moving industries
4.Rolling Mill
5.Power and Port Industries
6.Textile Industries
7.Plastic Industries
8.Automobile Gearboxes
9.Machine Tool Gearboxes
Helical Gear
Spur Gear
• A gear with a cylindrical pitch surface is called a spur
gear.
• Spur gears are cylindrical gears that belong to the group
of parallel shaft gears and have straight and straight
teeth parallel to the shaft.
• Spur gears are the most used gears that can be achieved
with high precision with relatively simple production
processes.
Application of Spur Gear:-
• Metal Cutting Machine
• Power Plant
• Marine Engines
• Mechanical Clock and Watches
• Fuel Pumps
• Washing Machine
• Gear Motors and Gear Pumps
• Rolling Mill
• Rack and Pinion mechanism
Spur Gear
Bevel Gear
• The bevel gears have a conical shape and are used to transmit
forces between two intersecting axes at a point (intersection
axis).
• The bevel gear has a cone on its step surface and its saw teeth
are cut along the cone.
• Bevel gears typically operate on shafts that are 90 to each
other .
Application of Bevel
Gear:-
• Printing Machine
• Agriculture
• Bottling
• Material Handling
• Steering
• Differential Drives
• Hand Drill Bevel Gear
Internal Gear
• The internal gears are teeth cut into a cylinder or
cone and paired with external gears.
• The internal gear are used for transmitting
power between two parallel shaft.
Application of Internal
Gear:-
Internal gears are often used in
applications involving planetary
gear drives and gear couplings. Internal Gear
Worm Gear
• The screw shape that is cut on the shaft is a worm, the
mesh gear is a helical gear, and the axes that do not
intersect are called worm gears.
• Worm gears are gears which are widely used for
transmitting power at high velocity ratios between non
intersecting shafts that are generally, but not necessarily
at right angles.
Worm Gear
• It is mostly used as a speed reducer, which
consists of worm and worm wheel or gear.
• The worm gear is similar to a helical gear with a
face curved to conform to the shape of the worm.
Application of Worm
Gear:-
• Gate Control Mechanism
• Hoisting Machines
• Automobile Steering Mechanism
• Lifts
• Conveyors
• Presses
• Speed Reducer
Worm Gear
Thank You..!!

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Types and application of gears

  • 2. Introduction • The gears are a type of mechanical element whose teeth are cut around a cylindrical or conical surface with the same space. • It is used for the rotation and transmission of force from the drive shaft to the driven shaft when coupling a pair of elements. • The gears can be classified into 1. Spiral Gear 2. Cycloid and Tro-choidal Gears
  • 3. Types Of Gears • Helical Gear • Spur Gear • Bevel Gear • Internal Gear • Worm Gear
  • 4. Helical Gear • The helical gears are cylindrical gears that are used with parallel shafts similar to the spur gears and have winding teeth. • They have a better teeth grip than spur gears, have excellent low noise and can carry higher loads, which makes them suitable for high speed applications.
  • 5. Application of Helical Gear:- 1.Fertilizer industries 2.Printing industries 3.Earth moving industries 4.Rolling Mill 5.Power and Port Industries 6.Textile Industries 7.Plastic Industries 8.Automobile Gearboxes 9.Machine Tool Gearboxes Helical Gear
  • 6. Spur Gear • A gear with a cylindrical pitch surface is called a spur gear. • Spur gears are cylindrical gears that belong to the group of parallel shaft gears and have straight and straight teeth parallel to the shaft. • Spur gears are the most used gears that can be achieved with high precision with relatively simple production processes.
  • 7. Application of Spur Gear:- • Metal Cutting Machine • Power Plant • Marine Engines • Mechanical Clock and Watches • Fuel Pumps • Washing Machine • Gear Motors and Gear Pumps • Rolling Mill • Rack and Pinion mechanism Spur Gear
  • 8. Bevel Gear • The bevel gears have a conical shape and are used to transmit forces between two intersecting axes at a point (intersection axis). • The bevel gear has a cone on its step surface and its saw teeth are cut along the cone. • Bevel gears typically operate on shafts that are 90 to each other .
  • 9. Application of Bevel Gear:- • Printing Machine • Agriculture • Bottling • Material Handling • Steering • Differential Drives • Hand Drill Bevel Gear
  • 10. Internal Gear • The internal gears are teeth cut into a cylinder or cone and paired with external gears. • The internal gear are used for transmitting power between two parallel shaft.
  • 11. Application of Internal Gear:- Internal gears are often used in applications involving planetary gear drives and gear couplings. Internal Gear
  • 12. Worm Gear • The screw shape that is cut on the shaft is a worm, the mesh gear is a helical gear, and the axes that do not intersect are called worm gears. • Worm gears are gears which are widely used for transmitting power at high velocity ratios between non intersecting shafts that are generally, but not necessarily at right angles.
  • 13. Worm Gear • It is mostly used as a speed reducer, which consists of worm and worm wheel or gear. • The worm gear is similar to a helical gear with a face curved to conform to the shape of the worm.
  • 14. Application of Worm Gear:- • Gate Control Mechanism • Hoisting Machines • Automobile Steering Mechanism • Lifts • Conveyors • Presses • Speed Reducer Worm Gear