查询词典 machining

According to the characteristics and requirements of different machining processes,a mill volume used for the rough machin ing and a mill surface used for the semi-finish and finish machining are created.

针对各加工阶段的特点和要求，创建了用于粗加工的铣削体积块和用于半精加工及精加工的铣削曲面，通过加工工序的合理设置规划了各阶段的加工方式，并制定了模具的高速加工策略。

The characteristic of machined surface of high speed machining aluminum alloy 7050-T7451 is researched by micrographic experiments and analysis. The formation mechanics of machined metamorphism layer has been analyzed and studied. The dislocation-energy model in machined metamorphism layer was established and applied to explain the micrographic mechanics work-hardening using the thermo-mechanical coupling deformation theory and dislocation theory. The experimental results show that the interaction of high dislocation density effect on hardening is more remarkable than that of thermal stress in high speed machining.

利用显微观察方法对铝合金7050-T7451高速铣削加工的工件表面断面和不同深度的表层的微观形貌特征进行系统的研究，确定了高速切削加工铝合金7050-T7451的表面变质层深度为30～35μm；应用位错能量研究了高速铣削加工过程的热力耦合对变质层的影响机理，并通过微观形貌观察证明：与普通切削相比，高速铣削表层塑性变形的能量和位错密度更高；建立了位错密度的加工硬化的动力学模型，研究了加工硬化的热-力耦合形成机理；对微观裂纹的形成机理进行了理论分析，证明位错密度高的高速切削过程中较低速加工更容易产生明显的微裂纹，从分子级乃至原子级的水平进一步揭示高速切削加工表面变质层的形成特征。

Some picture simulating results in typical machining processes are obtained through computer simulation on machining machine parts such as spherical parts, spherical parts with certain errors and nonspherical parts.

提出了利用计算机仿真技术模拟研究回转式电火花加工过程的课题，并以回转电极展成球面加工过程为仿真对象进行图形仿真研究。

Organization: Manufacturing Engineering Institute, Chongqing UniversityAbstract: Based on the influences of opposite clearance on computer numerical control machining, the CNC code precompensation method of the CNC machining opposite clearance is introduced, and the precompensation process of opposite clearance is also introduced. The vector operation rules are used to research the algorithm of precompensation, and the proposed algorithm has been applied in a special numerical control equipment.

摘 要：在分析反向间隙对计算机数控（computer numerical control，CNC）加工影响的基础上，提出一种数控加工反向间隙的数控代码预补偿法，给出了反向间隙预补偿流程，并采用向量运算规则进行了预补偿实现算法研究，所提算法已在某专用数控设备上得到应用。

High Speed Machining is one of the High Technologies,which is the second revolutional change after numerical control in manufacturing.It hsa not only the high productivity, but also has the high machining accuracy and high surface quality.

高速加工是继数控技术之后使制造技术产生第二次革命性飞跃的一项高新技术，它不但具有极高的生产效率，而且可显著提高零件的加工精度和表面质量。

As per business enlarged required, we have registered subsidiary company Suzhou Leemo Precision Technology Ltd which was focus on metal machining parts, casting and Al machining parts, mechanism robotization design, fabrication and testing business.

因业务发展需要公司在2008年注册成立分公司苏州利茂精密机械有限公司，专营金属机械加工，铸件类加工，五金件加工，机械自动化的设计及制造，调试以及钣金件等业务。

Research on the Basic Kinematics-Geometry Theory and Tool Positioning Strategy for 5-axis NC Machining;2. The paper introduces the construction features of undevelopable ruled surface integral impeller and two 5-Axis numerical control mill machining methods of vane shape which are "line contact" and "point contact".

文章介绍了不可展直纹面型整体叶轮的结构特点及五坐标数控铣削加工叶片型面&线接触&和&点接触&两种方式，分析了采用侧铣加工产生误差的原因，对加工中的不同工步及精加工薄叶片的特殊处理进行了分析，并提出了相应的解决方案，对整体叶轮的数控加工有一定的现实意义和实用价值。

The effects of non-metallic inclusions on the machining properties of Ca and Ca-S free machining steels,which were made in 18 t ladle by means of powder injection,were presented.

摘 要：研究了在18 t钢包中采用喷粉方法生产的钙系与钙硫系易切削钢中非金属夹杂物对切削性能的影响。

Will have influences on ablated depth, and the machining error will become bigger and bigger with times of machining.

并对该测量技术的分辨率与测量范围进行了深入分析。

In high-speed machining process , the overshoots often occur in the tool path and the machining accuracy is affected .

高速加工过程中，在刀具路径上容易产生过冲，影响加工精度，因此必须提前对加工速度进行优化处理。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了