Shenzhen Xinhaisen Technology Limited
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Precision Etched Encoder Discs ±0.003mm Tolerance 10,000 Lines/Revolution
Product Description:
Xinhsen Technology specializes in manufacturing high-accuracy chemically etched encoder discs for motion control systems. Our precision etching technology produces code wheels with exceptional pattern accuracy and dimensional stability, ideal for optical and magnetic encoders in industrial, automotive, and aerospace applications.
Key Features:
Achieves 0.015mm minimum feature size
Supports absolute and incremental encoder patterns
Stress-free manufacturing preserves material properties
Custom designs for OEM encoder systems
Rapid prototyping available in 5 working days
Material Properties Comparison:
| Material | Hardness | CTE (10^-6/°C) | Conductivity (W/m·K) |
| 304 SS | HRB 85 | 17.2 | 16.2 |
| 316L SS | HRB 79 | 16.0 | 13.4 |
| Titanium | HRB 80 | 8.6 | 7.2 |
| BeCu | HRB 100 | 17.0 | 105 |
Production Capabilities:
Prototype lead time: 5 working days
Mass production capacity: 500,000 pieces/month
Maximum panel size: 600mm × 600mm
Available coatings: Gold, nickel, black oxide
Quality standards: ISO 9001, IATF 16949
FAQ Section:
Q: What file formats do you accept for custom encoder patterns?
A: We accept DXF, DWG, AI, and PDF files (600dpi minimum resolution).
Q: How does etched encoder disc compare to laser-cut alternatives?
A: Etched discs offer:
Better edge quality (Ra 0.4μm vs 1.2μm)
No heat-affected zones
30-50% cost reduction at high volumes
Tighter tolerance control (±0.003mm vs ±0.01mm)
Q: Can you produce discs with both optical and magnetic patterns?
A: Yes, we can create hybrid discs with:
Optical patterns (chrome-on-glass appearance)
Magnetic domains (for magnetic encoders)
Combined index/zero markers
Q: What quality documentation is provided?
A: All shipments include:
Material certification (EN 10204 3.1)
Dimensional inspection report
Surface roughness measurement
Runout test data
Applications:
Industrial servo motors
Robotics joint positioning
Automotive steering angle sensors
Medical device actuators
Aerospace control systems
Why Choose Xinhsen?
15+ years of precision etching experience
In-house design and engineering support
Complete quality control laboratory
Flexible order quantities (from 1pc to 1M+)
Global logistics support
