Connecting Rods - Create The Link Between The Piston And Crankshaft
Connecting Rods – Create The Link Between The Piston And Crankshaft

Choose Your Connecting Rods Help Topic Below


Connecting rods form the link between the crankshaft and the pistons. Consequently, Transfering the inertial forces, to the crankpins on the crankshaft. The connecting rod pushes and pulls the piston into and out of the cylinder. The small eye on the piston side, serves as a mounting for the piston bolt. Finally, They are mounted with rod bearing shells on the rod journals.

Once the connecting rod turns, it allows the piston to move up and down. This is how rotational torque gets created in the engine.

Small End

The small connecting rod eye and the conrod bush.


The connecting rod shank connects the small end of the connecting rod; to the big end of the connecting rod. The connecting rod shank normally has a double T cross section.

Big end

The big end of rod is the lower part of the rod.

Then given break lines or laser notches and split into two parts. With the point of fracture ensuring that the rods fit together precisely. They offer more advantages in terms of strength, cost and production accuracy.
Once assembled, the joint faces are barely visible. They fit together very precisely, thus allowing maximum force transmission.

All connecting rods for automotive use need to be lightweight. But, strong enough to withstand and transmit the thrust from the pistons to an engine’s crankshaft. Finally, Connecting rods are available in a variety of sizes and materials ideal for certain situations.

Common causes of connecting rod failure are tensile failure from high engine speeds. Also, the impact force when the piston hits a valve (due to a valve train problem); rod bearing failure (usually due to a lubrication problem, or incorrect installation of the connecting rod.

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