行业组件数据 · 2026

离心配重块

Centrifugal weights are rotating mass components in mechanical governors that regulate engine speed through centrifugal force.

技术定义与适配语境
典型 离心配重块 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。

Centrifugal weights are precision-engineered rotating masses mounted on a governor shaft that respond to rotational speed changes. As speed increases, centrifugal force causes these weights to move outward, mechanically adjusting fuel supply or throttle position to maintain constant speed. They are critical for stable operation in internal combustion engines, turbines, and rotating machinery.

组件规格

定义
Centrifugal weights are precision-engineered rotating masses mounted on a governor shaft that respond to rotational speed changes. As speed increases, centrifugal force causes these weights to move outward, mechanically adjusting fuel supply or throttle position to maintain constant speed. They are critical for stable operation in internal combustion engines, turbines, and rotating machinery.
工作原理
Centrifugal weights operate on the principle of centrifugal force: F = mω²r, where mass (m) rotates at angular velocity (ω) at radius (r). As rotational speed increases, centrifugal force moves weights outward against spring tension, activating linkage mechanisms to reduce fuel/air supply. This creates a negative feedback loop that stabilizes rotational speed.
材料
Typically forged steel (AISI 4140/4340)stainless steel (316/304)or high-density alloys (tungsten composites for compact designs). Surface treatments include hard chrome platingnitridingor ceramic coatings for wear resistance.
Tolerance
±0.5g mass balance
Mass Range
50-500g per weight
Surface Finish
Ra 0.8μm max
Operating Speed
500-10,000 RPM
Temperature Range
-40°C to 200°C
标准
ISO 1940-1DIN 45665ISO 10816

行业分类与别名

离心配重块 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 cyclic loading->Crack propagation leading to weight separation->Regular inspection for surface cracks, use of fatigue-resistant alloys, stress relief heat treatment
Wear at pivot bushings->Increased clearance causing governor hysteresis->Hardened bearing surfaces, lubrication ports, wear-resistant coatings
Corrosion in marine/chemical environments->Mass change affecting balance and response->Stainless steel construction, protective coatings, environmental sealing

工业生态与工程逻辑

0
Imbalance causing vibration
1
Wear at pivot points
2
Fatigue failure at high cycles
3
Corrosion in harsh environments
4
Spring linkage failure

合规与检测

tolerance
±0.5% mass variation within set, ±0.1mm dimensional tolerance
test method
Dynamic balancing per ISO 1940-1, centrifugal force testing at 125% rated speed, wear testing per ASTM G99

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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 centrifugal weights?

To convert rotational speed changes into mechanical movement through centrifugal force, enabling automatic speed regulation in engines and rotating machinery.

How are centrifugal weights balanced?

Through dynamic balancing to ISO 1940 standards, ensuring mass distribution prevents vibration at operating speeds, typically requiring ±0.5g precision.

Can centrifugal weights be replaced individually?

No, they must be replaced as matched sets to maintain balance and performance, as even small mass variations cause governor instability.

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CNFX Industrial Component Index · 机械和设备制造

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初步技术归类
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