The ordinary design method for drilling machine parts-safe coefficient method can not ensure the safety of the product.
常规的钻探机械零件设计方法即安全系数法并不能回答其产品的安全性问题。
2
On the basis of analysis concrete methods for increasing the reliability of nc systems and utilization-coefficientof nc machine tools are also suggested.
并在分析研究的基础上指出了提高NC系统可靠性和NC机床利用系数的具体途径和方法。
3
The whole machine features novel design, compact structure, and good appearance, the evenness of mixing reaches 99% , and the volume charge coefficient reaches 0.8.