D12D D4D Overhaul Kit Volvo Engine Spare Parts Piston Ring Set Liner Kit

Engine Spare Parts D4D Overhaul Kit Piston Piston Ring Set Liner Kit for Mistubishi

The low-frequency stress caused by changes in starting and stopping will fatigue the material.

The cylinder liner is a cylindrical part placed in the cylinder block hole of the engine body and held in place by the cylinder head. The piston reciprocates in its inner hole and has cooling water outside.

Cylinder liner is divided into dry cylinder liner and wet cylinder liner two categories. The cylinder liner that does not contact cooling water on the back is called a dry cylinder liner, while the cylinder liner that does contact cooling water on the back is a wet cylinder liner. Dry cylinder liner thickness is thinner, simple structure, convenient processing. The wet cylinder liner is in direct contact with the cooling water, so it is beneficial to the cooling of the engine and the small lightweight of the engine.

Process flow

Cylinder barrels: blanking - thick car - heat treatment (conditioning) -- -- -- -- -- car (flat head chamfering), coarse push inner hole - rolling inner hole - car (external circular open nest) - check hole inside the car - welding cylinder bottom - car (cylindrical) according to the need and internal zinc plated or chrome plated

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