Tunnel boring machine cutting picks/cutting teeth​​​​/drills with MIM parts

 Company profileFounded in 2000,HUNAN INJECTION HIGH TECHNOLOGY CO., LTD mainly focuses on R&D, manufacturing and sales of all kinds of carbide cutter picks and mechanical components for engineering construction. Taking advantages of advanced powder metallurgy production technology in Central South University, Hunan Inj

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 Company profile
Founded in 2000,HUNAN INJECTION HIGH TECHNOLOGY CO., LTD mainly focuses on R&D, manufacturing and sales of all kinds of carbide cutter picks and mechanical components for engineering construction. Taking advantages of advanced powder metallurgy production technology in Central South University, Hunan Injection is experienced in R&D and practice MIM technology. Hunan Injection has a series of advanced production equipment and testing equipment, such as low pressure vacuum furnace, cold isostatic press, vacuum vertical mixer, coercivity tester, cobalt magnetic satiator, high magnification microscope. With strong R&D, advanced manufacturing level, complete quality control system, we can guarantee our products with excellent quality, and we are welcomed by more and more home internal and overseas customers.
 

Application areaTeeth typeTeeth SharpTeeth codeApplication condition
Engineering constructionPavement milling machine teethCapPMAsphalt road
ColumePZCement road
Rotary Digging machine teethRotary teethWGConstruction &Building
Tunnel boring machine teethDriving teethYJHard rock tunnel
 

Milling tooth 

   Parameter:Cobalt 6,Coarse grain size,Hardness in 97.9HRA,Density 14.95cm3;Bending strength 2400n/mm2,
   Cap   (Model:SDB10P,asphalt pavement)
   Column(Model:SDB20P,cement pavement)

Rotary tooth 

    Parameter:Cobalt 8,Grain size 8 (extra thick),Hardness in 85.5-86.5HRA,Density 14.6-14.8cm3,
    Bending strength 2000n/mm2,Coercive force 38-60,Relative magnetic saturation strength above 88%
    10W alloy(Model:SDB10W,Compressive strength within 100 MPa)
    20W alloy(Model:SDB20W,Compressive strength within 120 MPa)

Driving tooth                 

  Parameter:Cobalt 10, Coarse grain size,Hardness in 86.0HRA,Density 14.45cm3;Bending strength2400n/mm2,
  Model:SDB10J 
  Performance:Suitable for hard rock, hard rock tunnel in granite, quartzite, marble, gneiss and other super hard rock)




Milling tooth                                                               
   Parameter: Cobalt 6,Coarse grain size,Hardness in 97.9HRA,Density 14.95cm3;Bending strength 2400n/mm2,
   Cap         (Model:SDB10P,asphalt pavement)
   Column   (Model:SDB20P,cement pavement)

Rotary tooth                                                          
    Parameter:Cobalt 8,Grain size 8 (extra thick),Hardness in 85.5-86.5HRA,Density 14.6-14.8cm3,
    Bending strength 2000n/mm2,Coercive force 38-60,Relative magnetic saturation strength above 88%
    10W alloy(Model:SDB10W,Compressive strength within 100 MPa)
    20W alloy(Model:SDB20W,Compressive strength within 120 MPa)

Driving tooth                          
 Parameter:Cobalt 10, Coarse grain size,Hardness in 86.0HRA,Density 14.45cm3;Bending strength2400n/mm2,
  Model:SDB10J 
 Performance:Suitable for hard rock, hard rock tunnel in granite, quartzite, marble, gneiss and other super hard rock)

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