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Composite Railway Brake Blocks Color Track Braking Parts in Railroad

    Buy cheap Composite Railway Brake Blocks Color Track Braking Parts in Railroad from wholesalers
     
    Buy cheap Composite Railway Brake Blocks Color Track Braking Parts in Railroad from wholesalers
    • Buy cheap Composite Railway Brake Blocks Color Track Braking Parts in Railroad from wholesalers
    • Buy cheap Composite Railway Brake Blocks Color Track Braking Parts in Railroad from wholesalers
    • Buy cheap Composite Railway Brake Blocks Color Track Braking Parts in Railroad from wholesalers
    • Buy cheap Composite Railway Brake Blocks Color Track Braking Parts in Railroad from wholesalers

    Composite Railway Brake Blocks Color Track Braking Parts in Railroad

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    Brand Name : ZhongYue
    Model Number : Composite Brake Blocks
    Certification : ISO9001:2015
    Price : Negociable
    Payment Terms : T/T, 30% in advance
    Supply Ability : 30,000 pcs per month
    Delivery Time : 15-30 work days after getting payment
    • Product Details
    • Company Profile

    Composite Railway Brake Blocks Color Track Braking Parts in Railroad

    Composite Railway Brake Blocks Color Track Braking Parts in Railroad


    Product Name: Composite Brake Block


    Brief introduction

    Our cast iron brake block enjoys many advantages including hardness, impact strength and so on. It consists of two parts, the cast iron and the steel support. Both the surface and core of the cast iron have the hardness within the range of 197< HB< 255.

    When facing subsequent impacts to the brake block or brake shoe, the steel support must remain intact and attached to the iron places. The connection bridge may possibly become detached but should not show any soundness defects. Separated from the brake shoe, the support must be able to withstand the bend test with cracking or breaking.


    Theory


    The brake shoe are located on the wheel tread.

    when braking, two pieces of brake block clamp the wheel to make it stop.


    Physical and mechanical properties of composite

    Characteristic

    Unit

    Value

    Testing Method

    Specific Gravity

    gr/cm3

    1,7 – 2,4

    ASTM D792

    Coefficient of Friction


    0,14 – 0,22

    ASTM D1894

    Hardness

    HRR

    70 – 105

    ASTM D785

    Crush Strength

    N/cm2

    Minimum 2500

    ASTM D695

    Bending Strength

    N/cm2

    2400 – 4000

    ASTM D790

    Tensile Strength

    N/cm2

    480 – 1500

    ASTM D3039

    Shear Strength

    N/cm2

    1500 - 3500

    ASTM D732

    Heat Resistance: 250ºC
    Result: Does not melt or burn for continuous use.


    Material Character

    1. The materials of composite brake block consist of 3 main substances including reinforcing fiber, organic/inorganic filler and resin bound.
    2. It has a high level of uniformity.
    3. It can be separated from the backing plate.
    4. It contains no asbestos, lead, zinc or other mixtures.
    5. It also contains no toxic materials.
    6. The hardness of the material is lower than the wheel's.
    7. It causes no strong smell in friction.

    Backing plate


    Backing plate for a trains' composite brake block must meet the following criteria. Firstly, it is made of ST-41 steel plate, and is constructed to transmit the braking force to the composite material. Secondly, there should be a binding structure between the composite material and backing plate, thus forming into a integrated unit and ensuring sufficient bending strength and stiffness.


    Process: Casting



    Test procedure

    1. Vernier caliper or other methods are used to test the dimension of the brake block.
    2. Laboratory test

    Specific gravity test: standard ASTM D 792 or equivalent method
    Coefficient of friction test: Standard ASTM D 1894 or equivalent method
    Hardness test: standard ASTM D 785 or equivalent method
    Shear resistance test: standard ASTM D 732 or equivalent method
    Press test: Standard ASTM D 695 or equivalent method
    Bending test: Standard ASTM D 790 or equivalent method
    Thermal properties test: standard ASTM D 177 or equivalent method


    Performance

    1. Excessive wear won't be caused on the surface of the wheel and the composite brake block.
    2. The composite brake block will not cause the wheel porous or cracked.
    3. It won't stick at the wheel during braking therefore won't cause uneven wheel surface.
    4. It won't cause wheel slipping during full braking in wet conditions.

    Advantage

    1. Composite friction material bearing high energy braking;
    2. High coefficient of friction and stability,
    3. Small heat fade for coefficient of friction,
    4. Temperature insensitiveness,

    Disadvantage: Produce a stench when tight.



    Function
    Our composite brake block is an ideal replacement of the metallic (gray cast iron) brake block. Composite brake block features motion to the wheel and well fitness between the brake block and brake block shoe (brake holder).


    Package

    1. Wooden box
    2. In according with client's requirement


    Similarity


    Cast iron brake shoe in different types


    Classification:

    1. High-P brake shoe
    2. Low-P brake shoe

    Application



    Sale Rang

    1. Rail fastening system
    2. Dog spike / Screw spike
    3. Bolt set
    4. Elastic clamp
    5. Rail anchor
    6. Rail shoulder
    7. Fish plate
    8. Tie plate
    9. Plastic / Rubber parts
    10. Brake shoe
    11. Steel rail
    12. New wood sleeper

    Quotation necessity ( the more, the better )

    1. Drawing with full size ( front / side section / hole )
    2. Material
    3. Surface Treatment
    4. Order quantity

    If you have any futher question or request, welcome to contact me.

    Our main products:UIC54 Rail Joint Bar, rail Fishplates, rail joints With GB Standard


    Plastic and rubber pads, EVA pad, HDPE pad, dog spike, screw spike, railway bolt and nut, washer, rail clip, rail shoulder, crane rail, fish plate, base plate, crane rails and so on.


    customize track spikes / threaded spike / screw spike for Rail fastening system


    1. Q: what information should we show if we need price?

    A: 1. tree species;

    2. size: length*width*thicknessl;

    3. quantity;

    4. we adopt oiled anti corrosion, if yours special, please mark it.


    2.Q: what is anti-corrosion?

    A: Using high temperature and pressure oiling corrosion technology.
    Technology standards : GB9221-88


    3. Q: payment terms?

    A: 30% by T/T as deposit, the balance 70% before delivery.


    4. Q: Validity Date?

    A: 10~15 days in general. it will be showed in quotation.


    5. Q: Mold fee?

    A: if we have same mold, no mold fee;

    if we make new mold with small quantity, client pay for it;

    if we make new mold with large quantity, ZHONGYUE pay for it.


    If you have any other models of rail/ rail fastener, welcome to contact me.


    Eric Li
    Quality Composite Railway Brake Blocks Color Track Braking Parts in Railroad for sale
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