In an
any internal combustion engine, the cylinder head is the end cover of
a cylinder over which cylinder contents are compressed by the
piston.Cylinder head specialists are manufacturing the cylinder heads
so that the heads can withstand any working condition. The Cylinder head specialists contains a number of minute channels and paths
through which fumes exit the engine. They are basically used as
conductors for air and fuel so that motor's combustion chamber can be
achieved. Also, these heads should be very strong so that they can
bear high temperature and weight without affecting the shape and
form. We can say that they are the main part for the flowing of air
in and out of the cylinders.
Types of Cylinder head:
Flat
head Engine Cylinder Heads
This
engine is famous for its simple usage. In this engine, the valves are
built on sides of the cylinder instead of at the top while the lower
part of the head contains chambers for the valves which helps in the
intake and exhaust of the heat. Actually, its head is made up of one
single slab of metal without any mechanical parts due to which its
manufacturing and assembling are easy. But eventually, this engine
lost its popularity due to several reasons, one of them is its
complicated exhaust path which leads to overheating of the engine.
Overhead
Valve (OHV) Engine Cylinder Heads
These
engine heads are mainly found in engines which have cylinder blocks
with a camshaft. This engine head is better in performance as
compared to flatbed design overheads. Also, its complexity of the
drive timing system is low as the camshaft is located closely to the
crankshaft and they are connected through a gear mechanism or a small
chain.
Overhead
Camshaft (OHC) Engine Heads
These
heads have an embedded camshaft and hence are more complex than the
above-discussed heads. In this head, there is no need to use pushrods
to actuate the valves as the camshaft is directly located above the
valves. Also, these shafts are available in two different variants:
one has only one overhead camshaft (SOHC) and the other one has two
overhead camshafts(DOHC).
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