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You are here: Home » News » Diamond Bit Selection General principles

Diamond Bit Selection General principles

Views:0     Author:Site Editor     Publish Time: 2017-08-15      Origin:Site

1,Soft, hard and fully homogeneous hard rock layer is generally suitable forimpregnated drill bit; Forhard, hard and broken, soft and hard uneven, fissure and high abrasive rock formation,Impregnated diamond bits are also the firest  choice.

2, Matrix hardness should be based on the rock abrasive, broken degree, hardness, particle size and other factors, the main factors for the rock abrasive and broken degree. Rock abrasive, broken degree of severe, softer, coarse coarse selection of hard carcass. On the contrary, the abrasive, homogeneous integrity, hardness, particle size of the rock (such as "slippery" rock) selected carcass should be soft. Such as abrasive and hardness contradictory, then subject to abrasive, such as case of abrasive and hardness of the rock formation, should use special hard carcass. Otherwise the carcass will soon be rock wear, the drill bit to lose their ability to work.

3. Rock complex, grinding the stronger, the more hard, the choice of diamond grade should be better, the size of the diamond should be finer.

4, Rock strong abrasive, more broken, coarse particles, the use of higher concentrations of the carcass.

5, The rock is soft, broken, abrasive, carcass more rigid, the use of pregnancy-bit, the drill bit outlet water cross section should be large, should adopt multi-nozzle bit. On the contrary, the use of less water way drill bit.


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