查询词典 machining

Optimum determination of cutting conditions is important in machining.

最佳切削用量的选择是机械加工中的一个重要方面。

This dissertation study the machining method for multi-axis NC high speed milling, tool path generation calculation and interference treatment and optimum programming.

本文研究了多坐标数控高速铣加工中的加工方法、刀具轨迹生成计算以及干涉处理和优化计算方法。

The dimensional accuracy of electrical discharge machining is greatly influenced by the overcut resulting from the discharge gap and electrode wear.

电火花加工工件的尺寸精度受过切量影响，而过切量的大小主要取决于放电间隙和电机损耗。

Before machining,the NC programs must be checked to examine whether thetrajectory is right or not , whether the tool will overcut or without cut.

在数控加工中随着工件复杂程度的增加，尤其是鞋楦这样的复杂曲面，其数控加工程序的正确性无法靠人工检查。

The main contents of the dissertation are as follows: Firstly, through the study of the theories about the C tool radius compensation, the dissertation put forward a new algorithm of C tool radius compensation for the effective reduction of overcut while NC-machining.

主要研究内容如下：首先，根据刀具半径补偿原理，实现了一种新型的C刀具半径补偿算法，该算法能有效剔除在缩短型刀具半径补偿情况下产生的冗余刀位点。

When machining precision is evaluated,or overcut,undercut and interference are inspected,full resolution model is automatically restored to ensure the accuracy and correctness of these inspections.

当要评估加工误差，检查过切、欠切和干涉时，可以自动地切换到全分辨率模型，保证了这些检查的准确性和正确性。

Through the study of the theories about the C tool radius compensation, the dissertation put forward a new algorithm of C tool radius compensation for the effective reduction of overcut while NC-machining. C++ programming language is adopted to realize the algorithm, and examples of simulation are given to demonstrate the achievements of the algorithm.

根据刀具半径补偿原理，实现了一种新型的刀具半径补偿算法，该算法能有效剔除冗余刀位点，并且用C++实现了该算法，给出了相应的仿真实例。

The judging speed is accelerated To assure generating correct tool paths in 3-axis NC machining, the processing plans of undercut and overcut situations for whole tool trajectories are discussed Sometimes certain of complex problems can be simplified using an approximating surface offset strategy presented The surface reconstruction technology in reverse engineering is studied deeply.

讨论了三轴数控加工球头铣刀关于整个刀轨路径的漏切与过切的检查和处理方法，保证最终生成正确的刀具路径。研究了曲面偏距问题，提出了一种曲面近似偏距新策略，在保证正确结果的前提下，将复杂问题简单化。深入研究了逆向工程中散乱数据点的曲面重构技术。

However, Mg alloy is very active chemically and is prone to oxidize and ignition duringmelting, casting and machining.

但镁合金是一种化学性质十分活泼的金属，在熔铸及在机加工中十分容易出现燃烧的安全事故。

For rrepublic the paper cutter for cutting machining, and so on must be to ensure the security of personal and machines for the sake of Cutter's practice mainly in the following points

答。切纸机进行开料加工等操作时必须以保证人身和机器的安全为前提，切纸机的操作规程主要有以下几点

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。