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China factories

China factory - Beijing Sinovo International & Sinovo Heavy Industry Co.Ltd.

Beijing Sinovo International & Sinovo Heavy Industry Co.Ltd.

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  3. Drilling Tools Diamond Core Drilling Rig Core Bits With CE Certificate
China Drilling Tools Diamond Core Drilling Rig Core Bits With CE Certificate
China Drilling Tools Diamond Core Drilling Rig Core Bits With CE Certificate

  1. China Drilling Tools Diamond Core Drilling Rig Core Bits With CE Certificate
  2. China Drilling Tools Diamond Core Drilling Rig Core Bits With CE Certificate
  3. China Drilling Tools Diamond Core Drilling Rig Core Bits With CE Certificate

Drilling Tools Diamond Core Drilling Rig Core Bits With CE Certificate

  1. MOQ： 1 PC
  2. Price：
  3. Get Latest Price
Payment Terms T/T
Delivery Time ON STOCK
Packaging Details Export package
Material diamond/PDC
Matrix Height 6 8 9 10 12 14mm
Bit Tpye Sur. Set and Imp Core Bit
Bit Dimensions AQ, BQ, HQ, NQ.PQ
Brand Name SINOVO
Model Number Drilling Tools
Certification CE/GOST/ISO9001
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Delivery Time ON STOCK
Packaging Details Export package Material diamond/PDC
Matrix Height 6 8 9 10 12 14mm Bit Tpye Sur. Set and Imp Core Bit
Bit Dimensions AQ, BQ, HQ, NQ.PQ Brand Name SINOVO
Model Number Drilling Tools Certification CE/GOST/ISO9001
Place of Origin China
High Light rig machine diamond core drilling bit ，ce certificate diamond core drilling bit

 
Drilling Tools core bits for Core Drilling Rig
 
According to your project requirement, we choose the suitable drilling tools for you. We can supply complete drilling tools: drilling rod, lock adapter, hoisting plug, big spannor, fork,   mud pump, reamer, casing, alloy bit, diamond bit and so on.
 
Core bits
 

 

The selection of the Drilling Parameters
A.Influence Factors of Rotary speed
When deciding the specific peripheral velocity of bits,in addition to bit type and bit diameter.other factors such as rock properties,diamond sizes,drilling equipments and core barrels,drilling depth and the structure of drilling holes,should be considered also.
 
a.Bits type:
The natural diamond grain on surface set core bit are large and self-sharpening easily,in order to protect the exposed diamond grains,the rotary speed of surface set core bit should be lower than the Impregnated Core Bit.
 
b.Bit diameter
In order to reach a proper linear velocity,the rotary speed of the small diameter bit should be higher than the big diameter bit.
 
c.Peripheral velocity
From the formula of rotating speed,we can find the liner velocity is proportionate to the rotating speed.It means the higher speed of the liner velocity,rotating speed is according higher.
 
d.Rock properties
High rotary speed is suitable for medium hard,complete rock formation;In broken,fractured,mixed formations with high vibration when drilling,drillers should slow down the rotary speed according to the broken level of the rock;in the soft formations with high drilling efficiency,in order to keep cooling and carry out the cuttings,the penetration speed needs to be limited,as well as the rotary speed.
 
e.Diamond sizes
The larger the diamond size,the quicker the self-sharpening.To avoid the bit face chipped or cracked,the 
rotary speed of the bits with big diamonds should lower than the bits with small diamonds.
 
f.Drilling equipments and core barrel
When the drilling machine is with poor stability and the drill rods have a low intensity,correspondingly,the rotary speed should be slowed down.If the lubricants or other similarities for decreasing the vibration are adopted,the rotary speed could be raised.
 
g.Drilling depth
When the depth of the drilling hole becomes deep,the weight of the core barrels will be larger;the pressure situation is more complex;it takes larger power while rotating the core barrels,Hence,in the deep hole,because of the limit of the power and intensity of the core barrels, the rotary speed should be decreased,in shallow hole,conversely.
 
h.Structure of drilling holes
High rotary speed can be used in the condition that the borehole structure is simple and the clearance between the drill rods and borehole wall is small.On the contrary,the drilling hole with a complex situation,lots of changeable diameters,big space between the drill rods and borehole wall,it causes poor stability and can not use the high rotary speed.
 




 

 
 


 
 

A-Gauge Core Bits
Size outside diameter inside diameter availability
  inch mm inch mm imp. s.s. t.c. pdc tsp e.p.
WLA 1.880/1.870 47.75/47.50 1.607/1.057 27.10/26.85 Yes Yes Yes Yes Yes Yes
WLA-RSG 1.895/1.885 48.13/47.88 1.067/1.057 27.10/26.85 Yes Yes Yes Yes Yes Yes
AWG,AX 1.880/1.870 47.75/47.50 1.190/1.180 30.23/29.97 Yes Yes Yes Yes Yes Yes
AWM 1.880/1.870 47.75/47.50 1.190/1.180 30.23/29.97 Yes Yes Yes Yes Yes Yes
AWT 1.880/1.870 47.75/47.50 1.286/1.276 32.66/32.41 Yes Yes Yes Yes Yes Yes
LTK48 1.880/1.870 47.75/47.50 1.394/1.384 35.40/35.15 Yes Yes Yes Yes Yes Yes

 

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Trading Company

  • Year Established:

    2002

  • Total Annual:

    20 Million-30 Million

  • Employee Number:

    100~200

  • Ecer Certification：

    Verified Supplier

    Beijing SINOVO International Trade Co., Ltd. is a professional supplier of construction machinery equipment and construction solutions, engaged in the field of construction machinery, exploration equipment, import and export product agent and construction scheme consulting, h...     Beijing SINOVO International Trade Co., Ltd. is a professional supplier of construction machinery equipment and construction solutions, engaged in the field of construction machinery, exploration equipment, import and export product agent and construction scheme consulting, h...

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Get in touch with us

  • Reach Us
  • Beijing Sinovo International & Sinovo Heavy Industry Co.Ltd.
  • Suite 2308, Huatengbeitang Building, No.37 Nanmofang Road, Chaoyang District, Beijing City. China
  • https://www.chinadrillingequipment.com/

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