Comparing with common milling shoes, this new type of milling shoes has faster millingrate and longer life and has an important effect on reducing drilling costs.
与普通磨鞋相比，该磨鞋磨削速度快、使用寿命长，对降低钻井成本具有积极意义。
2
To improve the efficiency decreased by feed rate in traditional nc program, a nc program optimization system is developed for rough milling process.
针对传统数控程序中进给速度固定限制加工效率的缺点，开发了面向粗铣加工的数控程序优化系统。
3
Compared with turning, milling and grinding, the abrasive belt grinding has higher production rate and available factor of power of machine tool.