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中文摘要：
运用弹性力学和材料力学理论,通过理论分析和试验方法研究了HSK工具系统静态和动态的定位精度,给出了夹紧力和刀柄锥度的关系,并进一步指出合适的夹紧力是保证HSK工具系统在高速加工时轴向和径向定位精度的必要条件。分析结果表明：HSK工具系统能在高速情况下保证高精度,是由于实际的轴向夹紧力能保证刀柄的锥面和端面时刻与主轴保持接触。
英文摘要：
Based on the theory of elastic mechanics and material mechanics, the orientation precision of the hohl schaft kegel（HSK） tooling system in static and dynamic states is theoretically and experimentally studied. The relation between the clamping force and the shank taper is obtained. And a proper clamping force is found to be essential to assure the axial and radial orientation precisions of the HSK tooling system in high speed machining （HSM）. Analytical results show that the reason why the HSK tooling system can keep high precision at the high rotational speed is that the actual axial clamping force keeps the two surfaces of the shank and the spindle in contact all the time.
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