Name: China Eccentric Weight Manufacturers and Suppliers - Eccentric Weight Free Sample - Newlife
Brand: Newlife
SKU: 287237591

Product Specifications

Material: 90–95% tungsten alloy
Density: Up to 18.5 g/cm³
Hardness: HRA 90–95
Tensile Strength: 800–1,000 MPa
Tolerance: ±0.02 mm (MIM)
Surface Finish: Available in polished or CNC-refined finishes
Customization: Shape, magnetic behavior and mass distribution adjustable

Overview

NEWLIFE's Eccentric Weights are designed as core balancing components for compact vibration motors used across consumer electronics, beauty devices and portable instrumentation. Produced with advanced MIM and PM processes, they provide the high density, low dimensional deviation and durability required for rapid rotational motion.
Our proprietary powder production technologies allow precise control over grain size, flowability and purity-directly improving molding stability and densification. As a result, NEWLIFE's Eccentric Weights exhibit superior mechanical integrity and maintain consistent balance characteristics even at high RPM.

Key Advantages

High Density for Strong Vibration Output

Tungsten alloy offers nearly twice the density of steel, offering stronger excitation forces in the same volume. This enables better tactile feedback, smoother operation, and improved device responsiveness.

Technical Benefits of MIM/PM Over Traditional Methods

Design Freedom: Ideal for miniature and complex shapes that are impractical for machining or die casting.
Dimensional Consistency: Predictable sintering behavior ensures high repeatability-critical for mass-produced electronics.
Superior Strength: Powder metallurgy provides uniform density and minimal internal defects.
Cost Optimization: Reduced machining demand significantly lowers production cost for high-density materials.

Exceptional Durability

The combination of hardened tungsten alloy and uniform microstructure provides excellent resistance to wear, impact forces and repeated high-frequency operation.