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Our tungsten copper alloy probe tips combine tungsten's extreme hardness and wear resistance with copper's excellent electrical and thermal conductivity. This unique material synergy makes WCu probes the preferred choice for demanding measurement applications where precision, durability, and consistent performance are non-negotiable.
Key Performance Characteristics
Exceptional Wear Resistance: Tungsten's extreme hardness ensures the probe tip maintains its precise geometry over thousands of measurement cycles, preserving measurement accuracy and reducing the need for frequent recalibration.
High Electrical Conductivity: Copper ensures reliable signal transmission between the probe tip and the measurement system, critical for touch-trigger and scanning probes where electrical contact is essential for triggering.
Superior Thermal Stability: The combination of tungsten's high melting point and copper's thermal conductivity ensures the probe tip maintains dimensional stability even under varying environmental conditions.
Low Thermal Expansion: Tungsten's low coefficient of thermal expansion minimizes measurement errors caused by temperature fluctuations, ensuring consistent accuracy across different operating conditions.
Excellent Anti-Sticking Properties: The tungsten phase resists adhesion to workpiece materials, ensuring clean, reliable contact and preventing false triggers or measurement errors.
Corrosion Resistance: Tungsten copper alloys resist oxidation and chemical attack, ensuring long-term reliability even in challenging industrial environments.
Product Specifications
Parameter
Standard Range
Custom Capability
Compositions
WCu70, WCu75, WCu80, WCu85, WCu90
Custom ratios available
Tip Diameter
0.5 mm - 10 mm
Custom sizes
Tip Length
2 mm - 30 mm
Custom lengths
Tip Shape
Spherical, cylindrical, conical, custom profiles
Per customer drawing
Shank Diameter
1 mm - 6 mm
Custom sizes
Overall Length
5 mm - 100 mm
Custom lengths
Dimensional Tolerance
±0.005 mm (standard)
±0.002 mm (precision)
Surface Finish
As-machined, ground, polished
Ra 0.4 μm / Ra 0.2 μm
Sphericity (for spherical tips)
≤ 0.002 mm
≤ 0.001 mm
Density
≥98% theoretical
≥99% (HIP option)
Hardness
200-260 HB (composition-dependent)
Per specification
Key Applications
Coordinate Measuring Machines (CMM)
Tungsten copper probe tips are extensively used in CMM applications where precision, wear resistance, and reliable triggering are essential:
Touch-Trigger Probes: WCu probe tips provide the hardness and wear resistance needed for consistent triggering over millions of measurement cycles, maintaining the high repeatability required for dimensional inspection.
Scanning Probes: The excellent surface finish and wear resistance of WCu tips enable continuous scanning measurements with minimal tip wear, preserving accuracy over extended measurement runs.
Stylus Assemblies: WCu probe tips can be integrated into stylus assemblies where the combination of hardness and electrical conductivity is advantageous for specific measurement applications.
Precision Measurement & Inspection
Gauging Fixtures: WCu probe tips serve as durable, wear-resistant contact elements in custom gauging fixtures for production line quality control.
Automated Inspection Systems: The long service life of WCu probe tips reduces downtime for tip replacement and recalibration in high-volume automated inspection cells.
Hardness Testing: The combination of high hardness and wear resistance makes WCu tips suitable for certain hardness testing applications where probe tip durability is critical.
Electrical Contact Probing
Circuit Board Testing: WCu probe tips provide reliable electrical contact for printed circuit board (PCB) testing applications where both conductivity and mechanical durability are required.
Component Testing: The excellent electrical properties of WCu alloys make them suitable for probing electronic components where reliable signal transmission is essential.
In-Circuit Testing (ICT): WCu probe tips deliver the combination of mechanical durability and electrical performance needed for high-volume PCB testing.
High-Energy Physics & Research
Particle Detection: Tungsten copper probes are used in high-energy physics experiments to detect and measure particle properties, benefiting from tungsten's high density and copper's conductivity.
Scientific Instrumentation: WCu probe tips serve in specialized research applications where the combination of hardness, conductivity, and thermal stability is required.
Quality Assurance
Material Certification: Full traceability with batch records confirming tungsten and copper content, density, and mechanical properties.
Dimensional Verification: 100% inspection of critical dimensions (tip diameter, sphericity, length, concentricity) using precision CMM and optical measurement.
Density Testing: Hydrostatic or helium pycnometer measurement ensures specified density.
Surface Finish Measurement: Profilometer verification of surface finish specifications.
ISO 9001:2015 Certified: Quality management systems ensure consistent product quality.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Importer,Exporter,Seller,Other
Year Established:
2003
Total Annual:
8000000-10000000
Employee Number:
150~180
Ecer Certification：
Verified Supplier
Zhuzhou Sanxin Cemented Carbide Manufacturing Co.,Ltd is located in Zhuzhou, Hunan Province, which is known as the “Hometown of Cemented Carbide”. It is a national high-tech enterprise that has passed ISO9001:2015 international quality certification system, specializing in manufacturing,... Zhuzhou Sanxin Cemented Carbide Manufacturing Co.,Ltd is located in Zhuzhou, Hunan Province, which is known as the “Hometown of Cemented Carbide”. It is a national high-tech enterprise that has passed ISO9001:2015 international quality certification system, specializing in manufacturing,...
