A new method to determine mechanical efficiency of diesel engine by acceleration deceleration method under non external load is proposed.
提出了一种快速确定柴油机机械效率的方法——无外载加减速法。
Conventional acceleration and deceleration control method plans velocity in single segment of machining path, so it can not meet the need for high speed.
传统的段内加减速控制方法由于整体速度偏低，不能适应高速加工的需要。
Device for deceleration and anti-backlash of large size CNC machine worktable and its installation method are introduced, as well as the countermeasure of worktable creep is obtained.
介绍了一种大型数控机床工作台减速消隙装置及其装拆要点，找到了工作台爬行的应对措施。
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