What are the different types of springs? Types of springs can be differentiated according to the direction and the nature of the force exerted by the spring when it is deflected. Table 1 lists several kinds of springs classified as push, pull, radial, and torsion. Figure 1 shows several typical designs. Round wires …
The purpose of a rolling contact bearing is to support a load while permitting relative motion between two elements of a machine.
Spur gears are used in mechanical applications to increase or decrease the speed of a device or multiply torque by transmitting motion and power from one shaft to another through a series of mated gears.
INTRODUCTION OF UNIVERSAL JOINT Universal joints are often used when applications require correction of misalignment between mating shafts greater than 3° (usually provided by flexible coupling). With a single universal joint consisting of two yokes, a central bearing block, and two bolts that penetrate the block at right angles, as an angle of up to …
The main purpose of the couplings is to connect the two rotating devices, allowing some misalignment and / or edge movement.
Many small engines and some medium engines are air cooled engine. This includes most small engine tools and toys such as lawnmowers, chain saws and model planes.
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WHAT IS LUBRICATING OIL? Lubricating oil used in engines must act as lubricants, coolants, and a vehicle for removal of impurities. It withstands high temperatures, does not break down, and has a long life. Engine development trends for higher operating temperatures, faster & tighter tolerances are rapidly increasing. All of these require improved oils compared …
Whereas combustion in an SI engine is essentially a flame front moving through a homogeneous mixture, combustion in a CI engine is an unsteady process occurring simultaneously at many spots in a very non-homogeneous mixture at a rate controlled by fuel injection.
The spark plug is an electric device that is attached to the cylinder head of some internal combustion engines and uses electric sparks to ignite compressed aerosol gasoline.