Composite Brake Shoe
There are two types as following:
1. High Friction Composition Brake Shoe
(The brake is fitting for the locomotive which speed is less than 120km / h)
2. Low-Friction Composition Brake Shoe
(The brake is fitting for the locomotive which speed is less than 95km / h)
A. The Mechanical Properties:
Brinell Hardness: ≤180Mpa
Impact Strength: ≤1.8KJ/M2
Compressive Strength: ≥25Mpa
B. Average Friction Coefficient:
|
Speed Km/h |
55 |
60 |
75 |
80 |
95 |
100 |
1 20 |
|
High Friction (COF) |
- |
0.3 |
- |
0.29 |
- |
0.285 |
0.28 |
|
Low-Friction (COF) |
0.16 |
- |
0.15 |
- |
0.14 |
- |
- |
