Tungsten Alloy Balancing Weight
Tungsten alloy balancing weights for vibration systems demanding exceptional mass concentration, dimensional accuracy and long-term reliability — the eccentric mass in compact motors from smartphones to medical micro-drives.
- Materials
- 90–95 wt% tungsten alloy (W-Ni-Fe or W-Ni-Cu)
- Features
- Density up to 18.5 g/cm³, intricate MIM geometries (undercuts, thin walls), fatigue-resistant uniform microstructure, batch-to-batch consistency
- Application
- Smartphone haptic motors, electric toothbrushes, automotive micro-actuators and vibration modules, medical & laboratory micro-pumps, wearable devices.
Specifications
| Parameter | Value |
|---|---|
| Material | 90–95 wt% tungsten alloy (W-Ni-Fe or W-Ni-Cu) |
| Density | Up to 18.5 g/cm³ |
| Hardness | HRA 90–95 |
| Dimensional Tolerance | ±0.02 mm (MIM) |
| Surface Condition | As-sintered, polished or precision CNC-finished |
| Form Factors | Rings, cylinders, eccentric blocks, custom micro-shapes |
Frequently Asked Questions
What materials and process are used for Tungsten Alloy Balancing Weight?
Tungsten Alloy Balancing Weight is made from 90–95 wt% tungsten alloy (W-Ni-Fe or W-Ni-Cu) and is formed by MIM/PM (metal injection molding / powder metallurgy) near-net-shape and sintered to a relative density of ≥ 98%, which keeps mechanical properties close to wrought material.
What are the key specifications of Tungsten Alloy Balancing Weight?
Typical specifications: Material: 90–95 wt% tungsten alloy (W-Ni-Fe or W-Ni-Cu); Density: Up to 18.5 g/cm³; Hardness: HRA 90–95. The full parameter list is in the specifications table on this page; custom requirements can be discussed against your drawing.
What is the MOQ and lead time for Tungsten Alloy Balancing Weight?
MOQ is 1000 pcs. Mold lead time is about 20 days (mold fee typically RMB 20–40k depending on part geometry), and production lead time is about 7 days once the mold is validated; secondary processing adds 3–5 days.
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