This document summarizes chain drives. It discusses that chain drives transmit mechanical power from one place to another using a sequence of linked items forming an open or closed path. Chain drives have advantages like not slipping, maintaining precise speed, and easy installation, but are noisy, require lubrication, and are heavier than belts. It covers velocity ratio, factor of safety, classifications of chains, power transmission calculations, applications like hoisting and conveying, and examples of chain drives in vehicles and machinery.

1. SUBMITTED TO
Mr. MANISH DHIMAN
ASSIST. PROF. ME.
CHAIN
DRIVES
 SUBMITTED BY
 RAVINDER JANGID
 B.TECH ME 2nd YEAR

2. 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

3. 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.

4.  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

5. 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

6. F.O.S.= WB/W
WHERE
WB= BEAKING LOAD
W= TOTAL LOAD

7. BASIS OF USE :
 HOISTING AND HAULING
• CHAIN SPEED>.25m/s
 CONVEYOR
• .8<C.S.<3
 POWERTRANSMITTING
• C.S.>3
• USED FOR SHORT DISTANCE
TYPES OF CHAIN

8.  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

9. POWER TANSMITTED BY
CHAIN:
 BASIS OF BREAKING LOAD
P=WB*v/n*KS
WHERE
WB= BREAKING LOAD
v= VELOCITY OF CHAIN
n= FOS
KS= SERVICE FACTOR

10.  BASIS OF BEARING STRESS
P= σb*A*v/KS
WHERE
σb=ALLOWABLE BEARING STRESS
A= AREA
v= VELOCITY OF CHAIN
KS= SERVICE FACTOR

11.  Use in vehicles
 Automobiles
 Transmitting power to the wheels
 Chain pump
 Bicycles
 Inside motors
 Chains versus belts

12. CHAIN DRIVE MECHANISM

13. CHAIN DRIVE OF AN AUTOMOBILE

14. REAR WHEEL CHAIN DRIVE OF A
MOTORCYCLE

15. A TYPES OF CHAIN

17. THANK
YOU!!!!