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Coupler Knuckle Thrower

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Coupler Knuckle Thrower

coupler knuckle thrower 08

The knuckle thrower is a small, internal component located inside the body of a railway coupler.


Its function is to act as a lever; when pushed by the release mechanism, it applies force to the knuckle, causing it to rotate into the open position.


To withstand repeated impact,  it is commonly manufactured through forging or precision casting to achieve high strength and wear resistance.

  • Description
  • Accurate   in reading drawings & Fast in delivery & Exact dimension control   & 100% quality control & OEM Service & Strict material inspection   & Prompt quote & lead time guarantee

    1.  Product Name:

    Coupler Knuckle Thrower

    2.  Material:

    Alloy Steel,Carbon Steel,Stainless Steel,Aluminum Alloy,Copper Alloy,etc.

    3.  Material Standard:

    ASTM,AISI,ASME,SAE,NF   EN,DIN EN,ISO,BS EN,SS,etc.

    4.  Items:

    FOB Ningbo or Shanghai,China

    5.  Lead time:

    30~40 days

    6.  Place of origin

    Ningbo, China

    7.  Software for specification drawings:

    PDF, Auto CAD, Solidworks, JPG, ProE,etc.

    8.  Main production equipments:

    280T,630T,1600T,2500T   Friction Press,CNC-machine-center, Punch Press,Lathe, Milling   machine,Drilling Machine,Boring Lathe,Grinding Machine, Heat treatment   Furnace.

    9.  Heat Treatment Machine:

    Mesh-Belt-Furnace,Carburizing   Quench Furnace,Chamer Furnace,etc.

    10.  Surface Treatment:

    Cold/Hot   Zn Plating,Blackening Treatment(Salt Spray Test 48-96 hours),Ni Plating,Cr   Plating,Spraying Undercoat,Anti-Rust Paint,Surface Paint,Plastic Paint,Coated   Anti-Rust Water,Anti-oil,etc.

    11.  Surface Heat Treatment:

    Medium   Frequence Quenching,High Frequence Quenching and Carburizing and   Quenching,Oil Quenching,Water quenching,Normalizing,Temper,Annealing,etc.

    12.  Dimension Inspection:

    Calipers,Height   Laugue,Micrometer Calipers,Inside Caliper Gauge,Angle and R Gauge,four   coordinates measuring instrument.

    13.  Productivity:

    50000   tons  / year

    14.  Packaging:

    Wooden   package after mandatory treatment or other

    15.  Our forging products   primarily cover components for mining machinery, construction, automobiles,   trucks, trains, railways, ships, transportation equipment, excavators,   valves, and agricultural machinery.

    16.  We are a standardized and   professional forging factory that specializes in closed die forging and open   die forging in Ningbo, China.

    17.  Export Markets: Australia coupler knuckle   thrower; America, U.S.A. , United States coupler knuckle thrower; Canada   coupler knuckle thrower; U.K. , England, Britain coupler knuckle thrower;   Germany coupler knuckle thrower; France coupler knuckle thrower; Italy   coupler knuckle thrower; Spain Espana coupler knuckle thrower; Holand coupler   knuckle thrower; South Africa coupler knuckle thrower; Danmark coupler knuckle   thrower; Sweden coupler knuckle thrower; Finland coupler knuckle thrower.

    18.  Supplier:China coupler knuckle thrower   factory ; China coupler knuckle thrower company ; China coupler knuckle   thrower Co.,Ltd ; China coupler knuckle thrower INC ; China coupler knuckle   thrower corporation ; China coupler knuckle thrower manufacturer ; China   coupler knuckle thrower supplier ; China coupler knuckle thrower; China   coupler knuckle thrower foundry.

    19.  Relationship Information:Ningbo coupler   knuckle thrower factory ; Ningbo coupler knuckle thrower company ; Ningbo   coupler knuckle thrower Co.,Ltd ; Hangzhou coupler knuckle thrower factory ;   Hangzhou coupler knuckle thrower company ; Hangzhou coupler knuckle thrower   Co.,Ltd ; Zhejiang coupler knuckle thrower company ; Zhejiang coupler knuckle   thrower Co.,Ltd.

    If you have any other question, please feel free to contact us.