加工方法

Introduces the fixture,methods and programme for spherical surface machined by numerical control lathe.

介绍了用数控车床加工球面的工装、方法和程序。

This research finds a new method for machining face gears, and expands the application scope for the sphericity hob.

该文的研究为面齿轮的加工找到了新方法，并为球形滚刀开辟了新用途。

Tube spinning, a new technique of metal plastic forming, is recognized as an effective method to produce big thin-wall cylindrical workpiece and is widely used in industrial production.

筒形件强旋作为近代塑性加工中的一个新工艺，是公认的制造大型薄壁筒形件的有效方法之一，已在各工业部门得到广泛应用。

Tube spinning, a new technique of metal plastic forming, is recognized as an effective method to produce big thin-wall cylindrical...

筒形件强旋作为近代塑性加工中的一个新工艺，是公认的制造大型薄壁筒形件的有效方法之一，已在各工业部门得到广泛应用。

It is one of the kind of advanced machining manufacturing approaches that the mould is stamping.

摘要模具冲压生产是一种先进的机械加工制造方法之一。

Statistical process quality control is a useful and effective means in product quality control of mechanical process.

统计过程质量控制方法是机械加工中产品质量控制常用而有效的手段之一。

Did you know that cold-formed steel represents over 40 percent of the stell construction market,and this share is increasing?

这两个小时的课程所讨论的是冷弯型钢的生产加工过程，冷弯型钢设计的基本原理，冷弯型钢对于其他建筑材料的优势，当今建筑市场冷弯型钢的使用，以及连接方法。

Based on the cognitive psychology, establishing strategic model of cognitive processes, setting the contents of production rules.

人类信息加工的随机网络模拟的方法能够系统地动态地反映虚拟心理模型的运行过程。

This paper gives the particular description of theoretical analysis and practical design for a suspended interdigital bandpass filter which used for rejection the mirror image frequence of a superheterodyne receiver . Based on computer aided design, the parameters of the filter are given and simulated.

本文结合对超外差接收机中镜频抑制滤波器的研究，将传统的设计方法与先进的微波电路仿真软件HP-ADS相结合，对其进行建模、仿真、优化设计，并且加工了一个较高性能的4.8GHz～5.2GHz悬置线终端短路式交指型带通滤波器的实物。

Based on the example of turbine reverse engineering , the general procedure that can be used to translate the physical object into CAD datum by Surfacer software is determined in this paper1 By going deep into the vector of point-cloud , it's parametrization can be gained by adopting the precept of accumulating chordal parametrization1 According to the principle of const ructing curve using the least square method , the high quality-curve can be gained by modifying curve's parameter1 This paper also empha2sizes on some methods about processing point-cloud , const ructing curve and const ructing surface1 And it can provide several methods to const ruct high quality2CAD model for mould machining1

此栏目为免费论文，可自行复制获取，如需要其他完整论文，可点击论文范文查找摘要本文就涡轮反求造型的实例，采用Surfacer 软件规划出由实物转化为工程CAD 资料的一般流程。在深入分析点云数据的矢量方向基础上，采用积累弦长参数化方案实现点云的参数化；根据最小二乘法曲线拟合原理，修改曲线参数获得高品质曲线；并重点论述了点云处理、曲线生成、建构曲面的方法，为模具加工提供了建构高品质CAD 模型的有效途径。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。