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 Table:

The data in the table is for reference only; custom drawings are available upon request.

Application:

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

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, research and development of cemented carbide materials and tungsten steel products’ raw material, blank production, tungsten steel precision processing and sales one-stop service.

Zhuzhou Sanxin Cemented Carbide Manufacturing Co.,Ltd inherits and precipitates Zhuzhou cemented carbide tungsten steel processing technology. We have a professional technical team, which lays a solid foundation for manufacturing high quality cemented carbide products. The advantages of cemented carbide products in related fields are obvious. We can provide you with a complete set of cemented carbide products and tungsten steel product solutions.

Zhuzhou Sanxin Cemented Carbide Manufacturing Co., Ltd produces and processes tungsten steel products, selects suitable cemented carbide materials, owns professional customized precision equipment, unique processing technology, implements strict quality control measures of 100% inspection and provides considerate pre-sales and after-sales services. We can produce and process non-standard custom carbide inserts, carbide cutters, carbide molds, carbide fixtures, carbide sheets, carbide rods, hard for customers who need it. Alloy pipe, carbide punching punch, carbide valve seat, carbide insert, cemented carbide nozzle, carbide wear parts, carbide mold parts, and other cemented carbide tungsten steel precision processed products for customers who have needs.

We focus on every process of cemented carbide production and processing, and we are able to meet the needs of our customers' usage requirements on precision tungsten steel processing to the maximum.

Why choose us:

We always implement these business policies of "quality first, customer first"; "both wholesale and retail are welcome, excellent price for large quantity"; "timely delivery, mutual benefit and simultaneous growth with customer " to expand ourselves in the market.

Why rely on us:

We will continue to uphold the concept of “forge ahead”, “focus on innovation”, “based on quality, focus on brand” and “provide products with super-expected value for customers”and make ourselves on the road to development.

Why cooperate with us:

We always adhere to the principle of “quality is life”, “service creates value”, “cooperation promote development”, “support partners, develop ourselves”to cooperate with you for developing together.