• tungsten carbide tips for mining inserts,suitable for embedding rotary percussive drill bits of light rock drilling mach
    • tungsten carbide tips for mining inserts,suitable for embedding rotary percussive drill bits of light rock drilling mach
    • tungsten carbide tips for mining inserts,suitable for embedding rotary percussive drill bits of light rock drilling mach
  • tungsten carbide tips for mining inserts,suitable for embedding rotary percussive drill bits of light rock drilling mach

    tungsten carbide tips for mining inserts,suitable for embedding rotary percussive drill bits of light rock drilling mach

    Product Details:

    Place of Origin: ZHUZHOU
    Brand Name: Gold sword
    Certification: ISO9001
    Model Number: can be customized

    Payment & Shipping Terms:

    Minimum Order Quantity: 1pcs
    Price: kilogramme/pcs
    Packaging Details: boxes, carton
    Delivery Time: 15-30 days
    Payment Terms: D/A, D/A, D/P, T/T, Western Union, MoneyGram
    Supply Ability: 30000pcs/month
    Get Best Price Contact Now

    Detail Information

    Material: 100% Virgin Tungsten Carbide,100% Virgin Raw Material,Tungsten Carbide WC+Co,WC+CO Application: Mining Inserts,suitable For Embedding Rotary Percussive Drill Bits Of Light Rock Drilling Mach
    Grade: K20,K20,YG8C,YG15C,YG15,YG11C Size: K0/K1type,Customer's Request,OEM Accepted
    Advantage: High Wear Resistance,More Than 20 Years Experience,Smooth And Straight Cut,Excellent Wear Resistance And Hardness Name: K1mining Inserts ,Cemented Carbide For Mining
    Hardness: HRA87-HRA90 Trs: 2200- 4000 N/mm3,2500 Mpa

    Product Description

    tungsten carbide tips for mining inserts,suitable for embedding rotary percussive drill bits of light rock drilling mach

    Selections of types of cemented carbide of mining inserts

    the right selection of cemented carbide grade is one of the most important factors that guarantee the effective application of cemented carbide.Attention should be paid to the following when the selection of the grades is done:

    a. The properties of the rock formations,such as hardness,frictional characteristics,and their configuration,such as compactness,fisssures,joints,caverns,etc.The basic principle is:the harder the formation of rocks to be drilled,the much toughter the mining inserts should be.They,however,should not be too soft,and that is so say their wear resistance should not be too low,since it will increase the consumption of cemented carbide and reduce the efficiency in the drilling as well;Cross drill bits should be used if the rock formations are full of fissures without regards to the hardness of the rick formations and what types of drilling machines used.

    b.The types of rock drilling machines,light or heavy types,etc.

    c.Method of fragmenting the rocks formations(cutting,shearing,crushing,impacting,etc)

    d.Capacity of the equipment(e.g.low or high air pressure.etc);

     

    Grades,properties and recommended applications of conventional cemmented carbide for mining inserts.

    Grades Density Hardness TRS

    Recommended

    applications

    YK15

     

    14.6 88.0 2600 Suitable for embedding rotary percussive drill bits of light rock drilling machines for drilling soft to medium to hard rock formations of class f=14
    YK15.6 14.6 87.6 2700 Suitable for embedding rotary percussive drill bits of medium rock drilling machienes medium to hard rock formations of class f=14-16
    YK20 14.52 87.3 2800 Suitable for embedding rotary percussive drill bits of medium rock drilling machienes medium to hard rock formations of class f=16-18
    YG11C 14.35 87.0 2850 Suitable for embedding rotary percussive drill bits of medium rock drilling machienes medium to hard rock formations of class f=18 or above.

     

    The other matters to pay attention to

    Collision of the working edges of the drill bits with metals should be avoided during transportation and in operations.

    When the bits are in operation,there should be no wanton knocking at the drill body, When the drill bits are to be replaced,an apparatus should be used for dismantling the bits,If a hammer is used to knock the drill body to dismantle the bits,it will damage the drill body resulting in the premature in the premature rejection og the bits.

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