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Basic Engine Topics – Hard Metal Components Inside Of An Engine
Cylinder block deck:
So, The block deck is a flat machined surface for the cylinder head. Consequently, Bolt holes are drilled and tapped in the deck for heat bolts. Also, Coolant and oil passages allow fluids through the block; head gasket, and cylinder heads.
Cylinder block sleeves (liners):
So, There are two basic types of cylinder sleeves; dry sleeves and wet sleeves.
So, There are several bores in the block; lifter bores, cam bores, main bore.
Consequently, They are bolted to the bottom of the cylinder block; and form one-half of the main bore. Consequently, Large main cap bolts screw into holes in the block; to secure the caps to the block.
Main bearings fit into the cylinder block and main caps; to provide an operating surface for the crankshaft main journals.
So, The crankshaft converts the reciprocating of the pistons; into a rotating motion. Consequently, The crankshaft fits into the main bore of the block.
Fastens the piston to the crankshaft.
Connecting rod bearings:
Ride on the crankshaft rod journal.
Allows the piston to swing on the connecting rod. Consequently, The pin fits through the hole in the piston and the connecting rod small end.
Consequently, Transfers the pressure from the combustion; to the connecting rod and crankshaft. Also, It must hold the piston rings and piston pin; while operating in the cylinder.
So, Automotive pistons normally use three rings- two compression rings and one oil ring.
The cylinder head:
Bolts to the deck of the block and covers the top of the cylinders. Consequently, A head gasket seals the block and head surfaces to prevent oil; coolant, and pressure leakage.
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