行业组件数据 · 2026

金属膜片

A precision metal diaphragm that converts electrical signals into mechanical vibrations in ultrasonic transducers.

技术定义与适配语境
典型 金属膜片 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

A thin, flexible metal membrane designed to oscillate at ultrasonic frequencies when subjected to alternating electrical signals. It serves as the active vibrating element in piezoelectric or magnetostrictive ultrasonic transducers, generating mechanical vibrations that propagate as ultrasonic waves for applications such as cleaning, welding, measurement, and medical imaging.

组件规格

定义
A thin, flexible metal membrane designed to oscillate at ultrasonic frequencies when subjected to alternating electrical signals. It serves as the active vibrating element in piezoelectric or magnetostrictive ultrasonic transducers, generating mechanical vibrations that propagate as ultrasonic waves for applications such as cleaning, welding, measurement, and medical imaging.
工作原理
The metal diaphragm operates on the principle of piezoelectric or magnetostrictive transduction. When an alternating electrical voltage is applied to the transducer's piezoelectric element (or a magnetic field to a magnetostrictive element), it induces mechanical strain, causing the attached metal diaphragm to vibrate at ultrasonic frequencies (typically 20 kHz to several MHz). These vibrations produce pressure waves in the surrounding medium (e.g., liquid or air).
材料
High-strength alloys such as titanium (Ti-6Al-4V)stainless steel (e.g.316L)aluminum alloys (e.g.6061-T6)or beryllium copperselected for fatigue resistancecorrosion resistanceand acoustic properties. Thickness ranges from 0.05 mm to 0.5 mmdepending on frequency and application.
Diameter
10 mm - 100 mm
Surface Finish
Ra ≤ 0.4 μm
Frequency Range
20 kHz - 5 MHz
Resonance Stability
±1% over operating temperature
Thickness Tolerance
±0.005 mm
Operating Temperature
-40°C to 150°C
标准
ISO 18563-1DIN EN 12668-1ASTM E494

行业分类与别名

金属膜片 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Material fatigue from continuous ultrasonic cycling->Crack formation leading to diaphragm rupture->Use high-fatigue-strength alloys, implement stress relief designs, and conduct regular inspection
Exposure to corrosive media (e.g., acids, salts)->Corrosion reducing thickness and altering vibrational properties->Select corrosion-resistant materials (e.g., stainless steel, titanium), apply protective coatings
Improper mounting or over-torquing during installation->Distortion or stress concentration causing premature failure->Follow torque specifications, use alignment tools, and train personnel on installation procedures

工业生态与工程逻辑

0
Fatigue failure from high-cycle vibration
1
Corrosion in chemical environments
2
Resonance frequency drift affecting performance
3
Cavitation erosion in liquid applications

合规与检测

tolerance
Dimensional tolerances per ISO 2768-m, frequency tolerance ±2% of nominal
test method
Resonance testing via impedance analyzer, fatigue testing per ASTM E466, corrosion testing per ASTM G31

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the primary function of a metal diaphragm in an ultrasonic transducer?

It converts electrical energy into mechanical vibrations at ultrasonic frequencies, generating sound waves for applications like cleaning, welding, or imaging.

How does material selection affect diaphragm performance?

Materials like titanium offer high strength and corrosion resistance for harsh environments, while aluminum provides lightweight performance; choice impacts frequency response, durability, and compatibility with media.

What are common failure modes of metal diaphragms?

Fatigue cracking from cyclic stress, corrosion in aggressive fluids, and resonance shift due to material degradation or contamination.

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初步技术归类
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URN:CNFX:ME:UNIT:METAL_DIAPHRAGM