Identification of train brake systems
Release Time:
Nov 09,2022
Summary Air brakes, hand brakes, and dynamic brake grids can fail. Composition brake shoe material can be worn away, leaving the material backing plate which can come in contact with the rail wheel. When a dynamic brake grid fails, the train crew may hear a loud noise or explosion.Dynamic brake grid fragments may be found both inside, and some distance away from the railroad tracks. Dynamic brake grid material may or may not be magnetic.
Identification of train brake systems
There are mainly 3 types of brakes for locomotive and railcars.
Air brakes
-locomotive
-Railcar
Hand brake
-Wheel
-Ratchet style
Ratchet style handbrake on locomotive
Dynamic brake(electric)
Brake styles
1. Clasp type : 2 brake shoes per wheel
2. Single shoe type: 1 brake shoe per wheel
Types of brake shoes
1. Cast iron brake shoe(Metal brake shoes)
2. Composite brake shoe(Non-metallic)
3. Powder Metallurgy brake shoe
Rail car brake shoe type and size
Commen brake problems
1. Worn composition brake shoe
2. Composition brake shoe worn through to backing plate
3. Other miscellaneous wheel issues
i. "Treading" metal material built up on wheel
ii. Wheel flange lubricator
iii. Wheel slip
iv. Wheel bearing assembly
v. Hot box, dragging equipment detector
- Notifies train and dispatcher of problem
- Hotbox and dragging equipment records: Milepost number ; Total axle count; Suspected axle number; Time of notification
Summary
- Air brakes, hand brakes, and dynamic brake grids can fail.
- Composition brake shoe material can be worn away, leaving the material backing plate which can come in contact with the rail wheel.
- When a dynamic brake grid fails, the train crew may hear a loud noise or explosion.Dynamic brake grid fragments may be found both inside, and some distance away from the railroad tracks.
- Dynamic brake grid material may or may not be magnetic.
Kunshan Alex have the ability to produce various sizes of Cast Iron Brake Shoe, Composite Brake Shoe, Powder Metallurgy Brake Shoe, and Disc Brake Pad, according to different standards like AAR M926-2007, TB/T 2403-2010, TB/T 3196-2008, UIC 541-4, JIS E4309-2001, etc.
Contact us if you have any real inquiry. We believe our further discuss will satisfy both of us.
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