行业组件数据 · 2026

摩擦盘

Friction discs are wear-resistant components in torque limiters that engage to transmit torque up to a preset limit, then slip to protect machinery from overload.

技术定义与适配语境
典型 摩擦盘 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。

Friction discs are precision-engineered, annular components integral to torque limiters, a type of mechanical safety clutch. They consist of one or more pairs of discs with high-friction surfaces that are pressed together under axial force (typically via springs or pneumatic pressure). When the transmitted torque exceeds a preset threshold, the discs slip relative to each other, decoupling the drive and driven sides to prevent damage from overload, shock loads, or jams. They provide reliable, repeatable torque limitation and can be reset automatically or manually after the overload condition is cleared.

组件规格

定义
Friction discs are precision-engineered, annular components integral to torque limiters, a type of mechanical safety clutch. They consist of one or more pairs of discs with high-friction surfaces that are pressed together under axial force (typically via springs or pneumatic pressure). When the transmitted torque exceeds a preset threshold, the discs slip relative to each other, decoupling the drive and driven sides to prevent damage from overload, shock loads, or jams. They provide reliable, repeatable torque limitation and can be reset automatically or manually after the overload condition is cleared.
工作原理
Friction discs operate on the principle of controlled frictional engagement. Under normal operating conditions, axial force clamps the discs together, creating frictional torque that transmits power. When torque exceeds the preset limit (determined by the axial force and friction coefficient), the frictional force is overcome, causing the discs to slip. This slippage limits the transmitted torque to the preset value, protecting downstream components. Once the overload is removed, the discs re-engage automatically if the design permits, or require manual reset.
材料
Typically composed of a friction pair: one disc is made of hardened steel (e.g.1045 carbon steelcase-hardened) or stainless steel for strength and wear resistancethe mating disc features a friction lining of sintered metal (copper- or iron-based)organic composite (resin-bonded fibers like cellulosearamidor glass)or ceramic-based materials. Linings are chosen for stable friction coefficienthigh heat resistancelow wearand compatibility with operating environment (e.g.oil-free or lubricated).
Thickness
2-10 mm
Axial Force
50-5000 N
Torque Range
5 Nm to 5000 Nm
Slip Accuracy
±5-10% of set torque
Inner Diameter
10-150 mm
Outer Diameter
20-300 mm
Friction Coefficient
0.1-0.6 (dry or lubricated)
Operating Temperature
-30°C to 250°C
标准
ISO 16030DIN 748ISO 1940

行业分类与别名

摩擦盘 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

Excessive wear due to high cycle frequency or abrasive conditions->Reduced torque transmission, inaccurate slip torque, eventual disc failure->Use wear-resistant materials, regular inspection, and replace per maintenance schedule
Thermal degradation from prolonged slippage or high ambient temperature->Fade in friction coefficient, material cracking, loss of torque capacity->Design with heat dissipation features, limit slip duration, select high-temperature materials
Contamination by lubricants, dirt, or moisture->Unstable friction behavior, erratic slipping, accelerated wear->Use sealed housings, select contamination-resistant materials, implement clean operating environments

工业生态与工程逻辑

0
Wear and tear reducing torque accuracy
1
Overheating from prolonged slippage
2
Contamination (oil, dust) altering friction
3
Incorrect installation leading to premature failure
4
Material incompatibility with operating environment

合规与检测

tolerance
Dimensional tolerances per ISO 2768-m, friction surface flatness within 0.02 mm, parallelism within 0.01 mm
test method
Torque testing via calibrated dynamometer, wear testing per ISO 1940, thermal cycling tests, friction coefficient measurement under controlled conditions

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

How do friction discs protect machinery?

They slip at a preset torque limit, disconnecting drive to prevent damage from overloads, jams, or shock loads, acting as a mechanical fuse.

Can friction discs be used in wet or oily environments?

Yes, specific friction materials (e.g., oil-compatible sintered metals) are designed for lubricated applications, while dry types use organic composites.

What maintenance do friction discs require?

Periodic inspection for wear, contamination, and surface degradation; replacement when wear exceeds thickness tolerances or torque accuracy declines.

How is the slip torque adjusted?

By changing axial force via spring preload adjustment, pneumatic pressure, or using discs with different friction coefficients, as per manufacturer guidelines.

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CNFX Industrial Component Index · 机械和设备制造

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