• Piston Pin

Piston Pin

A hollow pin for connecting the piston and the small end of the connecting rod. With the rotation from the crank, the connecting rod that swings and the piston that moves linearly are connected without generating a moment. It is the part of the engine that has the highest surface pressure and is difficult to lubricate, but on the other hand, weight reduction is also extremely important. Therefore, special steel is used, and after quenching the surface, it is polished to maintain toughness and wear resistance. Generally, it is one-fourth to one-fifth the diameter of the piston.

Item Capability
Outer Diameter 8mm ~ 32mm

Tolerance

±0.005

 

Machinery Material

Material Specification
Stainless Steel 304, 316, 420, 440C
Carbon Steel S15C ~ S45C
Chrome Molybdenum Steel SCM415, SCM420, SCM435, SCM440

 

Post Production Process

Type Process
Surface treatment Zinc plating, Chrome plating, Passivate
Heat treatment Carburizing, Tufftriding, Gas Carburizing, Gas Carbonitriding, Gas Soft Nitriding
Other Grinding, Polishing, Laser carved

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