Taichung CNC Swiss-Type Lathe Machining Factory | Needle Roller and Pin Production | Machining Accuracy ±0.005mm | Outer Diameter ±0.002mm

Need small precision components for rotating or positioning applications? Needle pins and dowel pins may be compact, but their dimensional accuracy and consistency directly affect assembly fit, motion performance, and long-term equipment stability.

JIN YI CHERNG, a Taiwan-based CNC turning company, provides precision machining services for needle pins and dowel pins using Swiss-type CNC turning for both volume production and custom pin manufacturing. Precision pin and dowel pin manufacturer experience supports applications including bearing assemblies, fastening components, transmission parts, and other precision mechanical parts.

Machining Accuracy

1. What are the benefits of stable machining accuracy?

• Needle Pins
  • Smoother rolling performance with lower operating resistance
  • More stable surface contact and reduced wear rate
  • Better dynamic balance during high-speed rotation
• Dowel Pins / Locating Pins
  • Consistent positioning dimensions for accurate assembly
  • Stable part fit with reduced clearance variation
  • Repeatable positioning after multiple assembly cycles
  • Improved structural retention and fastening stability

2. What problems can unstable precision cause?

• Needle Pins
  • Increased friction or movement interference
  • Accelerated surface wear
  • Reduced transmission efficiency
  • Lower stability during high-speed operation
• Dowel Pins / Locating Pins
  • Positioning errors caused by fit deviation
  • Inconsistent assembly clearance
  • Reduced structural stability
  • Loss of precision after repeated installation and removal

Common Material Options

Bearing Steel SAE52100 (SUJ2)

• Material Features: High hardness, suitable for long-term friction and high-load applications
• Typical Parts:
  • Slender shaft components for transmission systems
  • Pin shafts for high-speed equipment
  • Custom dowel pin production for mold positioning
  • Assembly locating components

Why Choose JIN YI CHERNG for Custom Pin Manufacturing?

• Extensive experience in Swiss-type CNC turning, ideal for machining miniature and slender parts while minimizing deformation and dimensional variation
• Capable of producing micro-sized precision components
• Stable production capacity for ongoing supply needs
• Support drawing-based custom dowel pin manufacturing
• Experienced precision pin manufacturer for OEM/ODM and industrial applications

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