Zhuzhou Sanxin Cemented Carbide Manufacturing Co., Ltd
                                                                                                           
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Precision Tungsten Carbide Blank with Density ≥14.8g/cm³ for High Density Rotor Core Material

Price Negotiable
Price: Negotiable
MOQ: 5
Delivery Time: 5-25days
Brand: Sanxin
Product Description
Precision Blank Density ≥14.8g/cm³ Core Material For Manufacturing Special Motor Rotors
The rotor cavity blank prepared using WC-Ni-based non-magnetic tungsten carbide material, through isostatic pressing and non-magnetic formulation technology, provides a high-quality base material with zero magnetic interference, high density, and near-net-shape forming for subsequent processing of rotors of high-speed motors and precision instruments, solving the problems of magnetic loss and processing deformation in the manufacturing of precision rotors using traditional materials.
Material Science
  • Material Composition: 90% WC + 10% Ni (Non-magnetic formula)
  • Magnetic Properties: Permeability < 1.001, Remanence < 0.02 mT
Physical Properties
  • Density: 14.8-15.1 g/cm³
  • Hardness: 90-92 HRA (Sintered State)
  • Coefficient of Thermal Expansion: 5.3 * 10⁻⁶/K
Processing Characteristics
  • Isostatic Pressing Density Uniformity: > 99%
  • Controllable Sintering Shrinkage: 12.5 ± 0.3%
  • Machining Allowance: 0.5-1.0 mm per side
Blank Specifications
Cavity Types
  • Cylindrical Cavity: Φ10-100mm
  • Stepped Cavity: Multi-level complex structure
  • Irregular Cavity: Custom-made according to drawings
Dimensional Accuracy
  • External Tolerance: ±0.1mm
  • Cavity Position Accuracy: ±0.05mm
  • Blank Weight: 50-2000g
Product Specifications
Parameter Type Standard Range Accuracy Class Inspection Method
Outer Diameter of Blank Φ20-150mm ±0.1mm Digital Calibrator
Cavity Diameter Φ10-120mm ±0.15mm Coordinate Measuring
Height of Blank 20-100mm ±0.2mm Height Gauge Inspection
Weight Deviation ±1% ±0.5% Precision Balance
Density Uniformity >99% >99.5% Water Immersion Test
The data in the table is for reference only; custom drawings are available upon request.
Applications
Aerospace
  • Satellite attitude control flywheel rotors
  • High-speed rotors for aircraft motors
  • Gyro rotors for navigation systems
Medical Equipment
  • MRI equipment drive rotors
  • Centrifuge core rotors
  • Special rotors for medical pumps
Precision Industry
  • High-speed electric spindle rotors
  • Precision instrument balancing rotors
  • Core rotors for special motors
High-end Scientific Research
  • Low-temperature experimental equipment rotors
  • High-vacuum environment rotors
  • Precision measuring instrument rotors
Precision blank density core material for motor rotors

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Company Zhuzhou Sanxin Cemented Carbide Manufacturing Co., Ltd
Location No. 8, Middle School Road, Baiguan Town, Lusong District, Zhuzhou, Hunan, China
Contact Person Anne Zhang

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