Bogie and Braking System Introduction

The Bogie and Braking System series, developed by CRRC, represents the pinnacle of innovation in rail transportation technology. As the technology leader in rail traffic braking systems, CRRC has established a central development base dedicated to the advancement of these critical systems. Their main type products have been widely adopted across six countries in Europe, Asia, and Africa, amassing over 600 million kilometers of safe operation mileage. This extensive experience and technological prowess enable CRRC to offer a comprehensive whole-industry-chain solution, covering everything from design and manufacturing to maintenance and support. With a global market layout and a robust service network, CRRC ensures that their Bogie and Braking Systems are not only technologically advanced but also readily accessible and supported worldwide.

RAILMAC

RailMac specializes in rail transportation with products ranging from complete train cars, components, power systems and maintenance equipment.

Braking System

DK-2 Locomotive Braking System

The DK-2 Locomotive Braking System is a microcomputer network-controlled electro-pneumatic braking system.Utilizing microcomputer network control technology, it achieves automatic train braking and individual locomotive braking.The system features coupler break protection, flow detection, multi-unit operation, monitoring coordination, fault diagnosis, data recording, and safety orientation functions.

CAB-B Locomotive Braking System

Developed by CRRC Braking Systems Co., Ltd., the CAB-B Locomotive Braking System is China's new generation of standard braking control systems.It features standardization, modularization, intelligence, and simplification.This system uses dual CAN network communication and distributed module redundancy design to significantly enhance reliability and safety.It supports hot standby redundancy control for key components such as the train pipe and brake cylinder.

Bogie Components

Unit Brake Cylinder

CRRC Braking Systems Co., Ltd.'s unit brake cylinder products feature a modular design with compact structure, high transmission efficiency (≥85%), and easy maintenance.Core innovations include a built-in automatic gap adjustment mechanism for precise compensation of brake pad wear, maintaining a constant braking gap.Some models integrate a spring parking brake function for additional safety.The products are certified by CRCC and are suitable for high-speed locomotives, urban rail vehicles, and heavy freight trains.

Distribution Valve

CRRC Braking Systems Co., Ltd.'s distribution valve products use self-developed piston sealing structures with O-rings instead of traditional slide valves.They significantly enhance sealing reliability and durability, supporting a 6-year maintenance cycle.The products feature stage braking/relief, high-precision pressure control (sensitivity up to 10kPa), and vibration and shock resistance.They are suitable for high-speed trains, locomotives, and urban rail vehicles, ensuring safe and stable operation.

Disc Brake Caliper

CRRC Braking Systems Co., Ltd.'s disc brake calipers use hydraulic or pneumatic-hydraulic conversion drive technology.They integrate automatic gap adjustment, modular caliper body, and three-point floating suspension design to ensure precise contact between brake pads and discs.The products offer integrated driving and parking functions, supporting up to 18 times braking force amplification to effectively handle various load conditions.Their high-performance sealing structure and wear-resistant materials can adapt to harsh environments such as rain, snow, and sand, significantly reducing the impact of thermal degradation.They are widely used in high-speed train, locomotive, and urban rail vehicle braking systems.

Brake Control Valve

CRRC Braking Systems Co., Ltd.'s brake control valve products include EP valves for high-speed trains, control valves for railway passenger and freight cars, and relay valves.They offer high-precision electro-pneumatic conversion and pressure control capabilities.The products feature modular design, piston structure, and electromagnetic control technology, significantly enhancing braking reliability and maintenance cycles.They are widely used in high-speed train, locomotive, and urban rail transit braking systems to ensure safe and efficient operation.
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