DETERMINATION OF POSITION OF THE OUTER RING INSERTAPERTURE ON STRUT-TYPE BIT WITH MIULTIPE-UNIT PLATE[J]. COAL GEOLOGY & EXPLORATION, 1990, 18(4): 61-64.
Citation: DETERMINATION OF POSITION OF THE OUTER RING INSERTAPERTURE ON STRUT-TYPE BIT WITH MIULTIPE-UNIT PLATE[J]. COAL GEOLOGY & EXPLORATION, 1990, 18(4): 61-64.

DETERMINATION OF POSITION OF THE OUTER RING INSERTAPERTURE ON STRUT-TYPE BIT WITH MIULTIPE-UNIT PLATE

  • The paper analysed the effect of position of the outer ring inset-aperture upon bit diameter,presented solving process of position of the aperture by means of mathematical method.
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