Fast transmission slip ring long life span working

Product Overview
The SP013018 series high-speed slip ring is a miniature, long-life electrical connector engineered for precision rotation systems. Standard models include SP013018-009, SP013018-012, and SP013018-018, featuring:
- Max Speed: 10,000 RPM (peak 20,000 RPM)
- Service Life: 10 million rotational cycles
- Stability: Gold-gold contact technology ensures <20mΩ resistance fluctuation
Technical Parameters
Electrical Specifications | Values | Mechanical Specifications | Values |
Design Loops | ≤18 channels | Rated Speed | 0-10,000 RPM |
Insulation Resistance | 250MΩ/250V DC | Working Life | 10 million rotations |
Rated Voltage/Current | 80VDC / 1A | Operating Temperature | -50°C to 80°C |
Dielectric Strength | >300VAC/50Hz/60s | Operating Humidity | ≤80% RH |
Dynamic Resistance Variation | ≤20mΩ | Contact Material | Gold-Gold |
Lead Wire Length | Standard 400mm (adjustable) | Housing Material | 304 Stainless Steel |
| | Max Starting Torque | 0.5N·cm |

Key Applications
Ideal for high-speed signal transmission in:
- Aerospace: Aircraft engine testing (strain gauge & thermocouple signals)
- Rail Transit: High-speed rail component validation (350+ km/h simulations)
- Automotive: Wheel hub performance testing (torque & temperature monitoring)
- Industrial Robotics: Rotational joints in precision machinery
Technical Advantages
- Gold-Gold Contact Technology
- 99.99% pure gold plating (≥5μm thickness)
- 200% longer lifespan than silver-graphite contacts
- Precision Concentricity
- Integrated casting ensures ≤0.01mm concentricity between ring grooves and bearings
- Mirror Surface Finish
- Contact surface roughness reaches Ra0.02 (optical mirror quality)
- Reduces friction loss by 40%
- Ultra-Precision Machining
- Dimensional tolerances <0.01mm (ISO 2768 H grade)
- 5-axis CNC processed for thermal stability
- Near-Zero Pressure Brush Design
- Extends service life by 33% through reduced mechanical wear
- Self-lubricating PTFE composite brushes
- Rugged 304 Stainless Steel Housing
- IP65-rated sealing resists dust, moisture, and corrosion
- Suitable for -50°C to 80°C harsh environments
Physical Dimensions
- Diameter: 25.4mm
- Lead Wires: 400mm standard (custom lengths available)
- Mounting Holes: 4-M2.5 threaded holes (16±0.1mm pitch)
Factory Validation
- 100% burn-in tested at 120% rated speed
- Certified by ISO 9001:2015 quality system
- Dynamic resistance monitored for 72 hours post-production

Slip Ring Friction Pair Engineering Laboratory
Specializing in tribological research for slip ring components, this laboratory serves as the core R&D hub for selecting brush wire and conductive ring materials. Our current technological portfolio includes 12 proprietary friction pair systems optimized for:
- High-speed rotation (up to 20,000 RPM)
- Ultra-long service life (10+ million cycles)
- Harsh environments (corrosive, high-temperature)
- High-bandwidth data transmission applications
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Material Science Expertise
- Develops gold-gold, silver-graphite, and composite metal alloy friction pairs
- Performs tribological testing under dynamic loads (ASTM G99 standard)
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Application-Specific Solutions
Environment | Friction Pair Technology | Performance Metric |
High-speed | Electroplated gold-on-gold interface | <20mΩ resistance fluctuation |
High-temperature | Ceramic-reinforced metal composites | Operation up to 300℃ |
Corrosive | PTFE-coated silver alloy contacts | 1000+ hours salt fog resistance |
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Performance Optimization
- Friction coefficient modeling for minimal wear
- Electrical conductivity enhancement through surface nano-texturing
- Dynamic contact resistance monitoring during rotational testing
Optimized friction pair configurations have demonstrated:
- 33% extension in service life for wind turbine slip rings
- 50% reduction in signal loss for high-speed data transmission systems
- 80% improvement in corrosion resistance for marine applications
The laboratory collaborates with material scientists and industry partners to advance next-generation friction technologies, ensuring slip ring performance remains at the cutting edge of rotational connectivity solutions.

Specializing in dynamic performance evaluation for high-speed slip ring current collectors, this laboratory operates under the auspices of China's Ministry of Science and Technology Torch Program. Equipped with five custom-engineered test benches featuring variable speed and torque configurations, the facility enables comprehensive analysis of rotational electrical interfaces.
Technical Specifications
The facility's capabilities have been validated in:
- National key R&D projects (e.g., high-speed rail bogie testing)
- Collaborative initiatives with Fortune 500 aerospace manufacturers
- Academic studies on triboelectrification in ultra-rapid rotation systems
All testing protocols comply with international standards (ISO 14253, ASTM D5961), and detailed certification reports are available upon request for product qualification and regulatory compliance.
