Wheel must be used with safety guards. The actual rotational axis of the wheel and its axis of rotation through the center of mass deviation from parallel state called static unbalance wheel. This is usually due wheel uneven density, both ends of the hole and the surface is not parallel or coaxial cylindrical deviation has caused.
2013年10月16日星期三
Slotted on casing strength analysis demonstrated slotted the casing does not have a big impact
Slotted casing strength through the impact on the analysis demonstrated slotted the casing does not have a big impact. Based on the above findings establish the mathematical model,
synthetic diamond powder element analysis software ANSYS slotted wells around the well before and after the stress changes the numerical simulation results slotted rock
polycrystalline diamond the well and spread the scope and impact analysis. Finally, the derived yield well before slotting the mathematical expression of the slotted slotted front and rear output compare output notes further explain and demonstrate the well stimulation mechanism and slotted slotted on yield changes.
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