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Application and Parameters of Diamond Compact Bit(PDC) May 26, 2017

1)According to the application can be divided into: non coring drill bit (steel body and matrix body) andcoring drill bit.

 

2)PDC bit is suitable for drilling f < = 10 integrity weak and medium grinding rock, high efficiency, long service life.

 

3)The best adaptive formation of the PDC bit is f <= 8 soft - medium hard rock.It not suit in broken, hard and strong abrasive rock formations.See below PDC drill bit:


 

all drill bits.jpg


4)The performance parameters of the PDC bit are shown in the table below:


  Bit Diameter/mm

  Bit Pressure/kN

 Rotation Speed(r/min)

  Pump Volume(L/min)

      27

     4-6

     260-600

     20-40

      42

     6-8

     200-500

     30-70

      75

     4.8-12

     200-300

     150-200

      94

     6.4-16

     150-250

     200-250

      113

     8.8-22

     120-200

     200-300

      153

     15-30

     100-200

     500-850

      190

     18-44

     100-150

     600-1200


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