CNC Machined Micro Shaft (SUS303, SUS304, SUS316)
CNC machined micro shafts are high-precision, small-diameter shafts used extensively in motors, medical devices, optical instruments, automation equipment, and micro-mechanical systems.
Material Features & Advantages
The micro shafts are available in three stainless steel grades to meet different application requirements:
SUS303 – Free-cutting stainless steel
1. Excellent machinability.
2. Contains sulfur and selenium to improve cutting performance and shorten machining time.
3. Suitable for applications requiring high precision but moderate corrosion resistance, such as micro motors and precision instrument parts.
SUS304 – General purpose stainless steel
1. Corrosion resistant, able to withstand most weak acids and bases.
2. High mechanical strength and wear resistance.
3. Widely used in medical devices, food processing equipment, and high-precision automation parts requiring durability and hygiene.
SUS316 – High corrosion resistant stainless steel
1. Contains molybdenum (Mo) for enhanced resistance to chloride environments, ideal for marine and chemical industries.
2. High strength and toughness, suitable for micro axes operating in harsh conditions.
3. Used in surgical instruments, marine sensors, high-precision chemical processing equipment.
Key Benefits
● Ultra-high Precision – CNC machining ensures tight dimensional tolerances, with typical tolerances reaching ±0.002mm.
● Corrosion Resistant – Different material options enable applications in a variety of harsh environments.
● Wear Resistant – High-quality stainless steel materials provide long service life in demanding applications.
● Low Friction and High Efficiency – Smooth surface treatment reduces friction and ensures efficient mechanical performance.
● Compact and Lightweight – Designed for space-constrained applications that require small but high-performance components.
Applications
Micromotors and Actuators - For precision motors, stepper motors, and micromechanical systems.
Medical Devices and Surgical Instruments - High-precision microaxles for diagnostic equipment and surgical tools.
Optical and Measuring Instruments - Ensure smooth motion and high accuracy for precision measuring equipment.
Automation and Robotics - Essential material for compact robotic systems and automated micromachines.
Marine and Chemical Processing Equipment - SUS316 shafts are highly corrosion resistant.
Specifications & Customization
● Diameter Range: Φ0.5mm – Φ10mm (Customizable)
● Length Range: 5mm – 500mm (Customizable)
● Tolerance: ±0.002mm (Higher precision available upon request)
● Surface Roughness: Ra ≤ 0.2μm
● Heat Treatment: Optional surface hardening, tempering, and nitriding
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