Increase the application of diametical diamond bit in special layer

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5pt"> is used nominal diametical diamond bit is gotten into, when encountering cliff arteries and veins, because cliff arteries and veins shows complete, strong decency, encounter water to expand, bore shrinks diameter, reduced the cricoid gap between hole wall and drilling tool consequently, make rinse fluid backwater not free, cliff pink cannot outside seasonable eduction aperture, form gather of pink of the cliff inside aperture, drilling tool obstruction is increased, often cause bury auger wait for an accident. 3, adopt measure Normal > shrinks in the light of bore the accident that diameter causes, decided use the diamond bit that increases a diameter to be gotten into, solved a problem effectively. Because broach diameter is increased, increased the cricoid space between hole wall and drilling tool, although aperture interior divides Kong Duan to shrink diameter, but backwater still can expedite, cliff pink can be seasonable eduction, assure inside aperture completely, assure to be gotten into normally thereby. CNC Milling CNC Machining