Shanghai, China
Business Type:
Manufacturer/Factory
Business Range:
Auto, Motorcycle Parts & Accessories
Management System Certification:
ISO 9001, ISO/TS 16949
OEM/ODM Service
Sample Available
MEI Awards

Asbestos Brake Block, Non-Asbestos Brake Block, Asbestos Free Brake Block manufacturer / supplier in China, offering High Speed Rail Brake Block, Hot Sale Super Quality Clutch Facing, Best Quality Asbestos Free Cheap Clutch Facing and so on.

Gold Member Since 2016
Audited Supplier

High Speed Rail Brake Block

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Min. Order: 50 Pieces
Port: Shanghai, China
Production Capacity: 100000000+
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Type: Brake Shoes
Material: Non-Asbestos
Position: Rear
Certification: ISO/TS16949
Classification: Drum
Drum Brakes Classification: Brake Shoe

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Basic Info

Model NO.: GPI139
Main Market: South America, North America, Eastern Asia, Northern Europe
Trademark: GPI
Transport Package: Carton
Specification: 10000000+
Origin: China
HS Code: 8708301000

Product Description

Specifications

 

According to customers` drawings, for train or wagon 

Heavy Duty Truck.Train.Bus,Automobile,petroleum drilling machine.

Cast iron HT200

Composite material

Refer to standard GB/T 9439-1988

1.rail way composite Brake shoe Material:

Composite material, high friction composite brake shoe, low friction composite brake shoe

2.Advantage:

--Composite friction material bearing high energy braking;

--High coefficient of friction and stability,

--small heat fade for coefficient of friction,

--Temperature insensitiveness,

--Develop according to the samples or drawings

--Certification:ISO9001-2000

 

4. The HGM - A high friction composition brake shoe steel back and friction body two parts.

Brake shoe shape size (mm) :

(1) the steel back of outer arc: R450

(2) brake shoe width: 820-1

(3) the thickness of the brake shoe: 45

 

5. The steel back is made of Q235A steel manufacturing, steel plate performance shall comply with the provisions of GB/T700.

 

6. Brake shoe is made up of steel back and friction.Friction main raw material for: phenolic resin, nitrile rubber, steel fiber,

reduced iron powder, graphite, etc.

 

7. The friction performance component of the learning performance and friction wear performance of two parts.

 

The mechanical properties shall comply with:

Table 1 physical and mechanical performance of the brake shoe

 

Unit performance indicators

G/cm3 density less than nominal worth plus or minus 5%

The compression strength of 25 Mpa or greater

The impact strength acuity 2.0 kJ/m2

The compression modulus of Mpa to 1.3 * 103 or less

Rockwell hardness (HRR) 90 or less

Water absorption percentage < 1.5%

Oil absorption percentage < 1.5%

 

Brake friction wear performance should be consistent with:

Table 2.The change of the instantaneous friction coefficient range (20 kn brake shoe pressure)

Speed (km/h) 0 10 20 30 to 40 50 to 60

The maximum 0.63 0.602 0.558 0.546 0.515 0.482 0.471

Standard 0.48 0.46 0.43 0.42 0.39 0.37 0.36

The minimum 0.42 0.40 0.40 0.36 0.33 0.32 0.37


High Speed Rail Brake BlockHigh Speed Rail Brake BlockHigh Speed Rail Brake Block

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