Braking System
AssemblyLayered braking sized for steep descent: regenerative/rheostatic electric braking, wheel-disc service brakes, a band/disc rack brake biting through the rack pinion, and a sprung emergency rack brake. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Braking System parts and their functions
7 top-level parts · 88 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Rack Brake 3 parts | 1× | Service rack brake |
| 2 | Emergency Rack Brake 4 parts | 1× | Fail-safe emergency brake |
| 3 | Wheel Disc Brake 3 parts | 4× | Adhesion disc brakes |
| 4 | Rheostatic Brake Resistor 2 parts | 1× | Resistor brake |
| 5 | Air Compressor 3 parts | 1× | Brake air supply |
| 6 | Air Reservoir | 2× | |
| 7 | Brake Control Unit 5 parts | 1× | Electronic brake controller blending electric, wheel-disc and rack braking and managing overspeed protection. |
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Bill of materials for Braking System
7 top-level lines · 31 rows shown · 88 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Rack Brake 3 parts | cog-railway-car-rack-brake | 1× | 1 | 4 | assembly |
| 1.1 | Rack-Brake Disc | cog-railway-car-rack-brake-disc | 1× | 1 | · | part |
| 1.2 | Brake Caliper & Pads | cog-railway-car-brake-caliper | 2× | 2 | · | part |
| 1.3 | O-Ring Set | oring-set | 1× | 1 | · | part |
| 2 | Emergency Rack Brake 4 parts | cog-railway-car-emergency-rack-brake | 1× | 1 | 8 | assembly |
| 2.1 | Coil Spring | coil-spring | 4× | 4 | · | part |
| 2.2 | Brake Caliper & Pads | cog-railway-car-brake-caliper | 2× | 2 | · | part |
| 2.3 | Overspeed Governor | cog-railway-car-overspeed-governor | 1× | 1 | · | part |
| 2.4 | Brake Air Cylinder | cog-railway-car-brake-cylinder | 1× | 1 | · | part |
| 3 | Wheel Disc Brake 3 parts | cog-railway-car-wheel-disc-brake | 4× | 4 | 3 | assembly |
| 3.1 | Wheel-Mounted Brake Disc | cog-railway-car-wheel-brake-disc | 1× | 4 | · | part |
| 3.2 | Brake Caliper & Pads | cog-railway-car-brake-caliper | 1× | 4 | · | part |
| 3.3 | Brake Air Cylinder | cog-railway-car-brake-cylinder | 1× | 4 | · | part |
| 4 | Rheostatic Brake Resistor 2 parts | cog-railway-car-rheostatic-brake | 1× | 1 | 5 | assembly |
| 4.1 | Brake Resistor Element | cog-railway-car-brake-resistor | 4× | 4 | · | part |
| 4.2 | Resistor Cooling Fan | cog-railway-car-resistor-fan | 1× | 1 | · | part |
| 5 | Air Compressor 3 parts | cog-railway-car-air-compressor | 1× | 1 | 27 | assembly |
| 5.1 | Servo Motor 4 parts | servo-motor | 1× | 1 | 24 | assembly |
| 5.1.1 | Stator Assembly 3 parts + deeper › | stator-assembly | 1× | 1 | 3 | assembly |
| 5.1.2 | Rotor Assembly 4 parts + deeper › | rotor-assembly | 1× | 1 | 19 | assembly |
| 5.1.3 | Encoder | encoder | 1× | 1 | · | part |
| 5.1.4 | Motor Housing | motor-housing | 1× | 1 | · | part |
| 5.2 | Compressor Head | cog-railway-car-compressor-head | 1× | 1 | · | part |
| 5.3 | O-Ring Set | oring-set | 2× | 2 | · | part |
| 6 | Air Reservoir | cog-railway-car-air-reservoir | 2× | 2 | · | part |
| 7 | Brake Control Unit 5 parts | cog-railway-car-brake-control | 1× | 1 | 30 | assembly |
| 7.1 | Bare PCB | pcb-bare | 2× | 2 | · | part |
| 7.2 | Microcontroller | mcu | 2× | 2 | · | part |
| 7.3 | Pressure Sensor | pressure-sensor | 4× | 4 | · | part |
| 7.4 | Relay | relay | 6× | 6 | · | part |
| 7.5 | Connector | connector | 16× | 16 | · | part |
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Where the braking system is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Foxconn
foxconn.com ↗
|
Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |