Phosphating cylinder liner manufacturers introduce cylinder liner knowledge to you_Yucheng Wantong Power Machinery Parts Co., Ltd

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Phosphating cylinder liner manufacturers introduce cylinder liner knowledge to you

2023-03-02 11:03

Phosphating cylinder liner manufacturers will introduce to you: When disassembling and inspecting the engine, it is often found that there are many obvious scratches on the surface of the piston skirt, and the contact surface between the piston ring and the cylinder wall also has similar stretch marks, accompanied by burnt colors. Sometimes the engine is far from running to the overhaul period, and the wear of the cylinder liner has reached the limit, which puts forward certain requirements on the surface quality of the cylinder liner.

The honing quality of the cylinder liner is an important factor for the engine to have a good initial run-in, avoid cylinder wear and prolong the service life of the engine. Fine grinding of the cylinder liner is to remove the rough surface left by the rough grinding to achieve the final required surface finish. Therefore, the cutting tool marks and large surface cracks should not be left during rough grinding, otherwise the fine grinding will not meet the required surface finish. In the initial run-in stage of the engine after overhaul, the frictional contact area is increased due to the continuous improvement of the surface finish. When this area reaches the high-load operation of the engine, it will not cause cylinder wear and tear, and this running-in will be completed. Experiments have shown that when the actual contact surface area reaches 20-40%.

Our company is a professional Phosphating cylinder liner manufacturers, if necessary, please contact us.

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