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
|
-
|
-
|
