一区二区三区无码被窝影院,99久久免费精品高清特色大片,免费观看又色又爽又湿的视频软件 ,国产日产久久高清欧美一区

Home > Product > Powder metallurgy brake pads >

Non-Dovetail Powder Metallurgy Brake Pads for 300-350 km/h and Above EMUs

  • Non-Dovetail Powder Metallurgy Brake Pads for 300-350 km/h and Above EMUs

Detailed Introduction

Non-Dovetail Powder Metallurgy Brake Pads for 300-350 km/h and Above EMUs

1.Product Description

Non-dovetail powder metallurgy(PM)brake pads are high-performance friction components designed for high-speed electric multiple units(EMUs)operating at 300-350 km/h and above.These brake pads feature a flat-back mounting design(non-dovetail)for improved structural stability and compatibility with modern knuckle-type brake calipers.

2.Key Features

?Powder Metallurgy Friction Material–Copper/iron-based matrix with high thermal stability(up to 750°C)

?Optimized for High-Speed Braking–Stable friction coefficient(μ=0.28–0.35)at extreme speeds

?Non-Dovetail Design–Eliminates stress concentrations,enhancing fatigue resistance

?Low Wear Rate–≤0.05 cm3/MJ(extends service life to 150,000–200,000 km)

?Integrated Wear Sensors–RFID or embedded indicators for real-time monitoring

3.Technical Specifications

Parameter Value Test Standard

Friction Coefficient(μ)0.28–0.35(stable at 550°C)UIC 541-5

Max Operating Temp 750°C(instant 900°C)EN 14535-2

Shear Strength≥40 MPa ISO 6312

Noise Level<75 dB at 300 km/h TSI 1302/2014

4.Material Composition

Base Matrix:Copper(60-70%)+Iron(15-20%)

Lubricants:Graphite(5-8%)+Molybdenum disulfide(MoS?,2-3%)

Reinforcements:Silicon carbide(SiC,3-5%)

Sintering Process:Hot-pressed at 850–950°C under 25–30 MPa

5.Applications

CR400"Fuxing"series(China)

Shinkansen E5/E6(Japan)

Other 300+km/h EMUs with knuckle-type calipers

6.Advantages Over Traditional Brake Pads

?30%better heat dissipation(reduced thermal cracking)

?15%longer lifespan compared to organic composite pads

?Simplified installation(bolt-on vs.dovetail machining)

7.Maintenance&Certification

Replacement Threshold:

Minimum thickness:5 mm(from initial 10 mm)

Crack limits:>2 mm depth or>15 mm length

Certifications:

CRCC(China)–Q/CR 546-2016

TSI(EU)–1302/2014

JIS(Japan)–E 4307

8.Special Variants

Low-Temperature Version(for–40°C environments,±5%μstability)

High-Humidity Optimized(coastal/rainy regions)

Compatible with ventilated forged steel discs(32–36 mm thickness).Performance data based on CRRC,Knorr-Bremse,and Hitachi Rail specifications.

For OEM/aftermarket inquiries,provide train model and brake system specifications for precise compatibility checks.

Contact Us
  • Tel: +86-0317-8196155
  • E-mail: 2461087283@qq.com
  • Add: Botou Industrial Zone, Hebei Province, China
Follow Us
主站蜘蛛池模板: 亚洲成在人线av品善网好看| 婷婷丁香五月六月综合激情啪 | 久久五月精品中文字幕| 国产深夜男女无套内射| 亚洲人成在线观看网站无码| 久久狠狠中文字幕2017| 草的我好爽视频| 人人妻人人澡人人爽超污| 无码人妻精品一区二区三区99仓本| 久久无码人妻丰满熟妇区毛片| 无套内射视频囯产| 色一情一乱一伦| 欧美变态口味重另类在线视频| 亚洲精品一区二区三区精品 | 97se狼狼狼狼狼亚洲网| 五月丁香综合激情六月久久| 无码精品国产dvd在线观看久9| 亚洲国产成人久久精品软件| 无码av中文字幕久久专区| 欧美巨大黑人极品精男| 十八禁网站在线观看| 亚洲国产日韩精品一区二区三区| 亚洲国产av精品一区二区蜜芽| 51久久国产露脸精品国产| 卡1卡2卡三卡精品视频| 国精产品一二三区传媒公司| 少妇爆乳无码av专区网站寝取 | 欧美成人片一区二区三区| 精品久久久久久天美传媒| 国产清纯白嫩初高生在线观看| 性夜影院爽黄e爽| 少妇人妻丰满做爰xxx| 国模冰莲极品自慰人体| 人人澡人人澡人人看添av| 春药按摩人妻弓中文字幕| 国产欧美精品一区二区三区四区 | 久久先锋男人av资源网站| 人妻系列无码专区无码中出| 欧美成人午夜精品久久久| 伴郎粗大的内捧猛烈进出视频观看 | 亚洲日韩精品a∨片无码|