Mastering Crank Pins and Piston Pins

Motorcycle Crank Pins & Piston Pins | Precision Engineered Components

Motorcycle Crank Pins & Piston Pins

Precision Manufacturing for High-Performance Engines

Overview

The core of motorcycle engine performance lies on precision-engineered crank pins and piston pins. Our advanced manufacturing techniques and stringent quality standards ensure excellent durability, wear resistance, and performance under high stresses.

Key Specifications

  • Heat Treatment: Carburizing for enhanced durability and wear resistance.
  • Hardness: Surface hardness between HRC 59-65.
  • Outer Diameter Tolerance: -0.001 mm to -0.003 mm for perfect fit.
  • Length Tolerance: Precision-maintained for seamless integration.

Advanced Inspection Instruments

We utilize state-of-the-art equipment to maintain the highest precision standards:

  • Cylinder Measuring Machine (U.K. Taylor Hobson)
  • Surface Roughness Meter (U.K. Taylor Hobson)
  • Micro Hardness Meter
  • Rockwell Hardness Meter
  • Profile Projector
  • Metallurgical Microscope
  • Computer Servo-Control Materials Testing Machine
  • Contour Measuring Instruments

Inspection Parameters and Capabilities

Item Scope Instrument Capability
Outer Diameter -0.002 mm ~ -0.004 mm Outer Diameter Measuring Instrument ± 0.0005 mm
Length +0 mm ~ 0.20 mm Vernier Calipers ± 0.01 mm
Carburized Depth As per specification Micro-Hardness Gauge ± 0.02 mm
Surface Hardness HRA 80-84 / HRC 58-65 Rockwell Hardness Meter ± 0.1
Core Hardness HRC 30~45 Rockwell Hardness Meter ± 0.1
Surface Roughness Under Rz 0.8 / Ra 0.2 Surface Roughness Meter ± 0.0001 µm
Cylinder Less than 0.002 mm Cylinder Meter ± 0.01 µm
Straightness Less than 0.002 mm Cylinder Meter ± 0.01 µm
Carburized Structure Residual austenite < 8% Metallurgical Microscope Visual

Why Choose Our Pins?

Our crank pins and piston pins are crafted to deliver exceptional performance, reliability, and durability. With advanced surface treatments, rigorous quality control, and precision engineering, our components excel in high-performance engine applications.

Contact Us

For more information about our manufacturing capabilities or to discuss your specific requirements, please contact us.

2024-12-05