• 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 1mm~50mm
Overall Lengths < 3,000mm
Tolerance ±0.003 ( depends on the material )

 

Machinery Material

Material Specification
Titanium CP1~CP4, Ti-6AL-4V(64Ti)
Nickel-copper Alloy 400
Stainless Steel SUS303, 304, 316, 420, 440C
Brass / Copper C3600, C3602, C3604, C6802, C1100, C17700, PB, BZ, BE.CU
Aluminum AL2011, AL6061,AL6061-T651, AL7075, AL5056
Carbon Steel S15C ~ S45C
Chrome Molybdenum Steel SCM415, SCM420, SCM435, SCM440
Steel for Specific Purpose SUJ2
Quick-cut Steel SUM24L (12L14), SUM25L(1215)
Engineering Plastic POM, TEFLON ( PTFE), PEEK

 

Post Production Process

Type Process
Surface treatment Gold plating, Nickel Plating, Zinc plating, Chrome plating, Tin plating, Anodizing, Hard Anodizing, Passivate, Teflon treatment, Coloring, PVD, Zinc hot dip coating, Coating, TiN
Heat treatment LCN, GSN. QPQ, Carburizing, Tufftriding, High frequency Annealing, Normalizing, Quenching & Tempering, Gas Carburizing, Gas Carbonitriding, Gas Soft Nitriding, Micro-structure Analysis
Other Grinding, Polishing, Laser carved, Thread Locking Compound (NYLOK)

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