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Chain drives
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Transcript of Chain drives
![Page 1: Chain drives](https://reader031.fdocuments.net/reader031/viewer/2022020123/55a698e71a28ab662d8b48b5/html5/thumbnails/1.jpg)
SUBMITTED TO
Mr. MANISH DHIMAN
ASSIST. PROF. ME. DEPARTMENT
CHAIN
DRIVES
SUBMITTED BY
RAVINDER JANGID
B.TECH ME 2nd YEAR
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INTRODUCTION
ADVANTAGES AND DISADVANTAGES
VELOCITY RATIO
FACTOR OF SAFETY
CLASSIFICATION OF CHAIN
POWER TRANSMITTED BY CHAIN
APPLICATION OF CHAIN DRIVE
SOME EXAMPLE OF CHAIN & CHAIN DRIVE
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CHAIN DRIVE:-Chain drive is a way of transmitting mechanical power from one place to another.
CHAIN:-a sequence of items of the same type forming a line,circle
or a closed and open path.
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Advantages of Chain Drives
Do not slip
Maintain constant and precise speed.
Good service life
Easy to install and repair
High transmission efficiency
Disadvantages of Chain Drives
Noisy
Need lubrication
Weight of the chain
Costly compare to belt
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V.R. = N1/N2 = T2/T1
WHERE
N1= SPEED OF SMALL SPROCKET
N2= SPEED OF LARGE SPROCKET
T1= NO. OF TEETH ON SMALL SPROCKET
T2= NO. OF TEETH ON LARGE SPROCKRT
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F.O.S.= WB/WWHERE
WB= BEAKING LOAD
W= TOTAL LOAD
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BASIS OF USE :
HOISTING AND HAULING• CHAIN SPEED>.25m/s
CONVEYOR
• .8<C.S.<3
POWER TRANSMITTING• C.S.>3
• USED FOR SHORT DISTANCE
TYPES OF CHAIN
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BASIS OF CONSTRUCTION :1. Roller Chains
Rotate on the teeth of a sprocket
2. Roller less Chains
No roller links
Used on lifts and hoists
3. Silent Chains
Sometimes called inverted tooth chain
Used at speeds and loads higher than roller chains
Sprocket, teeth different shape, grove in the middle
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POWER TANSMITTED BY
CHAIN:
BASIS OF BREAKING LOAD
P=WB*v/n*KSWHERE
WB= BREAKING LOAD
v= VELOCITY OF CHAIN
n= FOS
KS= SERVICE FACTOR
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BASIS OF BEARING STRESS
P= σb*A*v/KSWHERE
σb=ALLOWABLE BEARING STRESS
A= AREA
v= VELOCITY OF CHAIN
KS= SERVICE FACTOR
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Use in vehicles Automobiles Transmitting power to the wheels Chain pump Bicycles Inside motors Chains versus belts
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CHAIN DRIVE MECHANISM
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CHAIN DRIVE OF AN AUTOMOBILE
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REAR WHEEL CHAIN DRIVE OF A MOTORCYCLE
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A TYPES OF CHAIN
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THANK
YOU!!!!