Gasket Packing:
A gasket is a mechanical seal which fills the space between two or more mating surfaces, generally to prevent leakage from or into the joined objects while under compression. ... However, due to health hazards associated with asbestos exposure, non-asbestos gasket materials are used when practical.
Purpose:-
1) To adjusting Clarence,
2) Increase and Dis crease stroke length,
3) To act as a Insulation,
4) To act as a dumping variation.
Gasket are use in category -
1) Soft Gasket,
2) Eames Gasket,
3) Hard Gasket,
4) Hard Gasket,
5) Plastic Gasket.
Soft Gasket:
1) Crock sit packing,
2) Rubber packing,
3) Asboster packing.
Sans of Gasket:
1) Copper
2) Lead (oil seal)
Cylinder head Gasket:
The head gasket is compressed between the engine block and the cylinder head. The head gasket seals in the internal combustion process and also keeps coolant and oil from mixing together as the two fluids travel from the engine block to the cylinder head.
Engine detail Cylinder Block:
A cylinder block is an integrated structure comprising the cylinder(s) of a reciprocating engine and often some or all of their associated surrounding structures (coolant passages, intake and exhaust passages and ports, and crankcase). The term engine block is often used synonymously with "cylinder block" (although technically distinctions can be made between en bloc cylinders as a discrete unit versus engine block designs with yet more integration that comprise the crankcase as well).
1) Mono block casting,
2) Separate Cylinder.
Mono Block Casting:
A mono block or en block engine is an internal-combustion piston engine where some of the major components (such as cylinder head, cylinder block, or crankcase) are formed, usually by casting, as a single integral unit, rather than being assembled later.
Separate Cylinder:
This type Cylinder s Cylinder block and Crankcase have separately cut and connect to the Bolt or puss rod . Cylinder block have gray cast Iron but cylinder liner's have always make Cast Iron or steel.( If you don't understand this please search google Search Engine)
Cylinder head:
The cylinder head covers the top of the cylinder and forms the top of the combustion chamber. This joint is forms the top of the combustion chamber. This joint is sealed by gasket. In most engines, the head also provides space for the passages that feed air and provides space for the passages that feed air and fuel to The cylinder, and that allow the exhaust to fuel to the cylinder, and that allow the exhaust to escape. The head can also be a place to mount the valves, spark plugs, and fuel injectors.
The design of the cylinder head is important for the performance and efficiency of the internal combustion engine, as the shape of the combustion chamber, inlet passage and ports determines the volumetric efficiency and compression ratio of the engine.
Cylinder heads are made of cast Iron or aluminium. Aluminium is better conductor of heat; thus there is less trouble with the overheating of parts. But cast Iron is stronger than aluminium and is used on most engines.
Cylinder Liners:
The cylinder wears due to movement of piston against its walls. To prevent the cylinder from wearing, a Cylinder liner is used which can be replaced when it is worn out. The liner is made of cast iron. It contains chromium for hardness. There are two types of liners- 1) Dry liners, 2) Wet liner.
1) Dry liners:
It is made in the from of a barrel fitted inside the cylinder block. A flange is provided at the top of dry liner to keep it in position.
2) wet liners:
It is so called because it is in direct contact with the coolant on its outside. It provides cylinder better cooling and more even temperature distribution. But it makes the engine a little less rigid.
There are two types of liner = 1) Finished Liner, 2) Semi finished Size liner.
Hello, my name is Prasanta Hajam I am from India and this is my mechanical blog.
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