Powertrain Components

Powertrain Components
Precision Machining for High-Load Mechanical Systems
Huang Liang Precision specializes in high-accuracy CNC machining for critical mechanical and automation parts.
Designed to perform under continuous load and complex motion, our components meet the strictest industry standards for durability and dimensional stability.
Piston Pin
Piston Pin
Connects pistons to connecting rods, engineered for high-speed reciprocation and shear load resistance.
Materials:
● Carbon Steel（S15C ~ S45C）
● Stainless Steel（304, 316, 420, 440C）
● Chromium-Molybdenum Steel（SCM415, SCM420, SCM435, SCM440）
Size Range:Ø 8mm ~ 32mm
Tolerance: ±0.005mm
Value Added:Surface Finishing，Heat Treatment，Secondary Processing
Huang Liang Optimization:
Precision coaxiality and low friction enhance engine performance and part longevity.
Sleeve / Bushing Assembly
Sleeve / Bushing Assembly
Protective components for shafts and guided motion systems.
Materials:
● Aluminum（A6061）
● Copper（C3600, C3602, C3604）
● Carbon Steel（S15C ~ S45C）
● Stainless Steel（SUS303）
● Free-Cutting Steel（SUM24L/12L14、SUM25L/1215）
● Engineering Plastic (POM – Polyoxymethylene)
Size Range:Ø 1mm ~ 50mm
Tolerance: ±0.02mm
Value Added:Surface Finishing，Secondary Processing
Huang Liang Optimization:
Roundness, bore precision, and squareness ensure smooth, reliable system operation.
Shaft
Shaft
Core for torque transmission and rotary motion in demanding systems.
Materials:
● Titanium（CP1~CP4, Ti-6AL-4V）
● Copper（C3602, C3604, C6802, C17700）
● Aluminum（A2011, A2021, A6061, A7075, A5056）
Size Range:Ø 1mm ~ 50mm
Tolerance: ±0.003mm
Value Added:Surface Finishing，Secondary Processing
Huang Liang Optimization:
Advanced CNC machining, grinding, and fine surface finish maximize rotational stability.
Pin
Pin
Positioning and fastening elements for structural integrity.
Materials:
● Carbon Steel（S15C ~ S45C）
● Bearing Steel（SUJ2）
● Free-Cutting Steel（SUM24L/12L14）
● Chromium-Molybdenum Steel（SCM415, SCM420, SCM435, SCM440）
● Stainless Steel（SUS303, SUS304, SUS316, SU420, SUS440C）
Size Range:Ø 8mm ~ 32mm
Tolerance: ±0.005mm
Value Added:Surface Finishing，Heat Treatment，Secondary Processing
Huang Liang Optimization:
Tight dimensional control ensures fatigue resistance and long-term mechanical reliability.
Shaft Collar & Bushing
Shaft Collar & Bushing
Supports shafts in high-load, high-speed environments.
Materials:
● Copper（C3600, C3602, C3604）
● Aluminum（A6061）
● Carbon Steel（S15C ~ S45C）
● Stainless Steel（SUS303）
● Free-Cutting Steel（SUM24L/12L14, SUM25L/1215）
● Engineering Plastic (POM – Polyoxymethylene)
Size Range:Ø 1mm ~ 50mm
Tolerance: ±0.002mm
Value Added:Surface Finishing，Secondary Processing
Huang Liang Optimization:
Internal grinding and precision fit reduce friction and vibration for optimal performance.
Gear
Gear
Critical for power transmission with precise tooth profiles for smooth operation.
Materials:
● Copper（C3604）
● Aluminum（A6061）
● Free-Cutting Steel（SUM24L/12L14）
Size Range:Ø 2mm ~ 20mm
Tolerance: ±0.03mm
Value Added:Surface Finishing
Huang Liang Optimization:
Accurate pitch and profile control minimize noise and wear, extending gear life.
Rotor
Rotor
Primary rotating element requiring balance and structural strength.
Materials:
● Copper（C3604）
Size Range:Ø 20mm ~ 32mm
Tolerance: ±0.02mm
Value Added:Surface Finishing，Heat Treatment
Huang Liang Optimization:
Thermal processing combined with CNC precision delivers smooth high-speed rotation and long-term durability.
Complete Powertrain Machining Solutions
From heavy-duty transmission systems to delicate motion assemblies, Huang Liang Precision provides tailored solutions with exceptional dimensional control—ensuring your mechanical systems operate with maximum efficiency, strength, and reliability.
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