CJENG
CJENG
Description
Summary of Product
The semi-high speed brake disc was successfully deployed on a commercial scale and has been supplied to the National Railroad Administration through Yunjin Machinery Ltd. which is a marker for a brake system. Furthermore, the brake disc was recognized for its quality and has been also exported in foreign countries through Rotem Co., Ltd.
Commercialization of Semi-High Speed Brake Disc in 180 to 200 Kmh Level
ㆍApplying Wheel Type Disc to ITX Youth Train (Gyeongchun Line): from March 2012
ㆍCGI Brake Disc (Excellent Thermal Crack Performance and Wear Resistance)
Brake Disc for High-Speed Railroad in 300 to 350 Kmh Level (under development)
ㆍBrake Disc for KTX-II Korean High-Speed Railroad
ㆍBrake Disc for KTX-II Korean Next Generation High-Speed Railroad
Technical Features
ㆍHeat Proof Crack & Abrasive character
ㆍHeat Proof Shockness & Abrasive character
Material Spec
| Material | Mechanical Properties | ||
| U.T.S(MPa) | Y.S(MPa) | Hardness(HB) | |
| 180~200Kmh level | 350 or more | 230 or more | 180 ~ 250 |
| 300~350Kmh level | 930~1060 | 700 | 285~325 |
Disc Brake
