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WHAT IS GEAR | GEAR TERMINOLOGY | MECHANICAL

Gear : Introduction : Gear is a simple machine with teeth that increase the force needed to pull or push something. It is transmitt the power. Gear เคเค• เคธाเคงाเคฐเคฃ เคฎเคถीเคจ เคนै เคœो เค•िเคธी เคšीเคœ เค•ो เคงเค•्เค•ा เคฆेเคจे เค•े เคฒिเค เค†เคตเคถ्เคฏเค• เคฌเคฒ เค•ो เคฌเคข़ाเคคी เคนै ..เคฏเคน เคชाเคตเคฐ เค•ो เคŸ्เคฐांเคธเคฎिเคŸ เค•เคฐเคคी เคนै! Gear terminology :- 1. pitch circle :- it is an imaginary circle which by pure rolling action would give the same motion as the actual gear. 2. Pitch circle diameter :- It is the diameter of the pitch circle. the size of the gear is usually specified by the pitch circle diameter .it is also called pitch diameter. 3. Pitch point :- It is the common point of contact between two gears. 4 Addendum :- It is a radial distance of a tooth from the Pitch Circle to the top of the tooth. 5. Dedendum :- it is a radial distance of a tooth from pitch circle to the bottom of the tooth. 6...
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WHAT IS DYNAMOMETER | DYNAMOMETER |TYPES | MECHANICAL

"DYNAMOMETER :-                            A dynamometers are also a brake but in addition It has a device to measure the frictional resistance , knowing the frictional resistance. We may find the torque transmitted and hence the power of the engine. Types of dynamometer : -     Mainly there are the two types of dynamometers used for measuring the  power of an engine 1.) Absorption dynamometers. 2.) Transmission dynamometers. 1. Absorption dynamometers :-                                                    Here In the absorption type dynamometer the entire energy produced by the engine and it is observed by the frictional resistance of the brake .it is transmitted into heat , during the process of measurement. Classification of absorption type dynamometer :- a) Prony b...
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TYPES OF GEARS | GEAR | T.O.M. | MECHANICAL ENGINEERING

TYPES OF GEARS  classification of gear   :  1.  according to position of shaft :   (A) * Parallel Shaft .. :-                                        The two parallel and coplanar shaft are connected by gears.  EXAMPLE :-                      1. SPUR GEARS                     2. HELICAL GEARS :-  ( 1. Single helical and 2. Double helical)  1''SPUR GEARS :-                              The teeth are straight to shaft axis. Spur gear used to transmit the power between two parallel shaft.    characteristics :- 1. High power transmission . 2. easy to design and manufacturing . 3.c heap in cost compared to other.  Limitations:- 1. Not suitable for too soft w...
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