行业组件数据 · 2026

转子板

Rotor plates are rotating conductive components in variable capacitors that adjust capacitance by changing overlap area with stator plates.

技术定义与适配语境
典型 转子板 会按材料、尺寸公差、适配关系和失效风险在 电气设备制造 中评估。

Rotor plates are precision-engineered metallic components that form the moving electrode assembly in variable capacitors. They rotate on a central shaft to vary the effective overlapping surface area with stationary stator plates, thereby enabling precise capacitance adjustment. These plates are typically arranged in a semi-circular or segmented pattern to provide linear or logarithmic capacitance variation.

组件规格

定义
Rotor plates are precision-engineered metallic components that form the moving electrode assembly in variable capacitors. They rotate on a central shaft to vary the effective overlapping surface area with stationary stator plates, thereby enabling precise capacitance adjustment. These plates are typically arranged in a semi-circular or segmented pattern to provide linear or logarithmic capacitance variation.
工作原理
Rotor plates operate on the principle of variable parallel-plate capacitance. As the rotor rotates, the overlapping area between rotor and stator plates changes, altering the capacitance according to the formula C = εA/d, where ε is permittivity, A is overlap area, and d is plate separation. This mechanical movement allows for continuous capacitance tuning in electronic circuits.
材料
Aluminum alloy (6061-T6)Brass (C36000)Copper (C11000)or Silver-plated steelThickness: 0.3-1.2mmSurface finish: Electropolished or anodized for corrosion resistance
Diameter
10-100mm
Thickness
0.3-1.2mm
Plate Count
2-20 plates
Rotation Angle
180-270 degrees
Maximum Voltage
250-1000V DC
Capacitance Range
5-500pF
Temperature Range
-40°C to +85°C
Contact Resistance
<10mΩ
标准
ISO 9001IEC 60384-1DIN 41494

行业分类与别名

转子板 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 repeated rotational stress->Crack formation leading to mechanical failure->Use fatigue-resistant alloys and implement stress relief design features
Oxidation buildup on contact surfaces->Increased contact resistance and signal loss->Apply protective coatings and specify regular maintenance schedules
Thermal expansion mismatch between materials->Plate warping and capacitance drift->Select materials with similar thermal coefficients and design expansion allowances

工业生态与工程逻辑

0
Dielectric breakdown at high voltage
1
Mechanical wear from repeated rotation
2
Corrosion affecting conductivity
3
Resonance at specific frequencies
4
Thermal expansion misalignment

合规与检测

tolerance
±5% capacitance variation, ±0.1mm dimensional tolerance, ±2° angular positioning accuracy
test method
Capacitance measurement per IEC 60384-1, dielectric withstand voltage test, rotational torque measurement, environmental testing per MIL-STD-202

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 rotor plates in variable capacitors?

Rotor plates serve as the movable electrodes that change overlap area with stator plates to adjust capacitance values in electronic circuits.

How do material choices affect rotor plate performance?

Material selection impacts conductivity, weight, corrosion resistance, and thermal stability. Aluminum offers light weight, brass provides good machinability, while copper offers superior conductivity.

What maintenance do rotor plates require?

Regular cleaning to remove oxidation, lubrication of rotation mechanisms, and inspection for physical deformation or wear at contact points.

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URN:CNFX:ME:UNIT:ROTOR_PLATES