行业组件数据 · 2026

刹车片

Brake pads are friction materials that convert kinetic energy to thermal energy through friction against rotors to decelerate vehicles.

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。

Brake pads are critical safety components in disc brake systems, consisting of a steel backing plate bonded with friction material. They apply pressure against rotating brake rotors, creating friction that converts vehicle kinetic energy into heat, thereby slowing or stopping motion. Modern pads incorporate wear indicators, noise-reducing shims, and chamfers for optimal performance.

组件规格

定义
Brake pads are critical safety components in disc brake systems, consisting of a steel backing plate bonded with friction material. They apply pressure against rotating brake rotors, creating friction that converts vehicle kinetic energy into heat, thereby slowing or stopping motion. Modern pads incorporate wear indicators, noise-reducing shims, and chamfers for optimal performance.
工作原理
When hydraulic pressure from the master cylinder activates the brake caliper, the pads are pressed against both sides of the rotating brake rotor. The resulting friction generates heat, dissipating kinetic energy and reducing rotational speed through the coefficient of friction between pad material and rotor surface.
材料
Composite friction materials typically containing: metallic fibers (steelcopper)ceramic compoundsorganic resins (phenolic)graphite lubricantsaramid fibersand filler materials. Backing plates are made from cold-rolled steel with anti-corrosion coatings.
Thickness
8-15 mm (new)
Wear Limit
2-3 mm remaining
Shear Strength
>10 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 due to aggressive braking->Friction material glazing and reduced stopping power->Use high-temperature rated pads, ensure proper cooling, and avoid continuous heavy braking
Contamination from brake fluid or lubricants->Loss of friction coefficient and uneven braking->Proper handling during installation, clean work environment, and immediate replacement if contaminated
Incorrect pad-bedding procedure->Uneven material transfer and vibration during braking->Follow manufacturer bedding procedures with progressive braking cycles

工业生态与工程逻辑

0
Pad delamination from backing plate
1
Fade at high temperatures
2
Uneven wear leading to rotor damage
3
Noise and vibration issues
4
Reduced effectiveness when wet (water fade)
5
Pad material transfer to rotors causing judder

合规与检测

tolerance
±0.2 mm thickness variation, ±10% friction coefficient deviation from rated value
test method
Dynamometer testing per ISO 15484 for friction performance, wear rate, compressibility, shear strength, and noise characteristics

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?

Typically every 40,000-70,000 miles depending on driving conditions, material type, and vehicle usage. Always follow manufacturer recommendations and inspect pads regularly.

What are the main types of brake pad materials?

Three primary types: 1) Organic/non-asbestos organic (NAO) - quiet with moderate wear; 2) Semi-metallic - durable with good heat dissipation; 3) Ceramic - low dust, stable performance, and longer lifespan.

What causes brake squealing?

Common causes include: vibration between pad and caliper, glazed pads/rotors, worn shims or anti-rattle clips, high-frequency vibration from pad material composition, or contamination on friction surfaces.

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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_PADS