行业组件数据 · 2026

刹车片

A friction material component in brake calipers that creates stopping force through contact with rotors.

技术定义与适配语境
典型 刹车片 会按材料、尺寸公差、适配关系和失效风险在 汽车制造 中评估。

A brake pad is a consumable friction component mounted within a brake caliper assembly that presses against a rotating brake rotor to generate deceleration through kinetic energy conversion to heat via friction. It consists of a steel backing plate bonded to a friction material compound, designed to withstand extreme thermal and mechanical stresses while maintaining consistent performance across operating temperatures.

组件规格

定义
A brake pad is a consumable friction component mounted within a brake caliper assembly that presses against a rotating brake rotor to generate deceleration through kinetic energy conversion to heat via friction. It consists of a steel backing plate bonded to a friction material compound, designed to withstand extreme thermal and mechanical stresses while maintaining consistent performance across operating temperatures.
工作原理
When hydraulic pressure activates the brake caliper, pistons force the brake pads against both sides of the rotating brake rotor. The resulting friction converts the vehicle's kinetic energy into thermal energy, creating deceleration. The friction material's composition ensures stable coefficient of friction while managing heat dissipation and wear characteristics.
材料
Steel backing plate with bonded friction material typically composed of: organic compounds (resinsrubberglass)semi-metallic blends (steelcopperiron fibers)ceramic formulations (ceramic fibersnon-ferrous fillers)or low-metallic NAO (Non-Asbestos Organic) compounds. Specific formulations vary by application (passengercommercialperformance).
Thickness
8-15 mm (new)
Wear Limit
2-3 mm remaining
Shear Strength
>15 MPa
Compressibility
<5%
Friction Coefficient
0.35-0.45 (μ)
Operating Temperature
-40°C to 600°C
标准
ISO 15484DIN 74100SAE J866ECE R90

行业分类与别名

刹车片 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

Overheating from aggressive braking->Friction material glazing reduces coefficient of friction->Use pads with higher temperature ratings; ensure proper cooling; avoid prolonged braking
Contamination by brake fluid or lubricants->Reduced friction leading to longer stopping distances->Proper sealing during maintenance; careful handling; use designated brake cleaners
Uneven caliper pressure distribution->Tapered or uneven pad wear->Regular caliper maintenance; ensure sliding pins move freely; replace worn hardware

工业生态与工程逻辑

0
Pad delamination from backing plate
1
Fade from overheating
2
Uneven wear due to caliper issues
3
Noise (squeal, groan)
4
Reduced effectiveness when wet or contaminated
5
Premature wear from abrasive debris

合规与检测

tolerance
Thickness variation ≤0.2 mm; parallelism ≤0.05 mm; backing plate flatness ≤0.1 mm
test method
ISO 15484 for friction performance, wear, and shear testing; ECE R90 for type approval; SAE J2522 for dynamometer testing

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 often should brake pads be replaced?

Replacement intervals vary by driving conditions (typically 40,000-70,000 km). Monitor wear indicators or measure remaining thickness (replace at 2-3 mm). Aggressive driving, towing, or urban stop-and-go traffic accelerate wear.

What's the difference between ceramic and semi-metallic brake pads?

Ceramic pads offer quieter operation, less dust, and consistent performance but are costlier. Semi-metallic pads provide better heat dissipation and cold bite but may generate more noise and dust. Ceramic is common for passenger vehicles; semi-metallic suits heavier-duty applications.

Do brake pads need bedding-in?

Yes. Proper bedding (break-in) transfers friction material to rotors, establishing optimal contact. Follow manufacturer's procedure (typically 5-10 moderate stops from 50-60 km/h with cooling intervals) to prevent glazing and ensure full performance.

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CNFX Industrial Component Index · 汽车制造

数据基础

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初步技术归类
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URN:CNFX:ME:UNIT:BRAKE_PAD