机床

This article has obtained the stable condition of the system according to the Routh criterion and provided a theoretical basis for the choice of CNC system and the adjustment of position gain.

在对数控机床进给伺服系统进行动态分析的基础上，根据劳斯判据得出了系统稳定的条件，为数控系统的选择和位置增益的调整提供了理论基础。

The cutter location in NC generative ultrasonic grinding process for parallel ruled surface with cylindrical grinding wheel was analyzed,the structure of NC generative ultrasonic grinding device was introduced,the design of grinding spindle assembly and the spindle's driving scheme was also introduced,system hardware and software design had been finished.

分析了圆柱磨轮数控展成超声磨削平行直纹面时的刀具空间位置，介绍了数控展成超声磨削成形加工机床的总体结构，论述了磨轮主轴部件设计及主轴驱动方案，实现了主轴变频调速控制系统软硬件设计。

The utility model relates to a safety power saving lighting lamp for machine tool aperation, comprising a universal ball lamp socket (1), a laminated board(2), a universal ball (5), a flexible snake skin lampholder(6), electric wires (7)and(8), a lamp cap(13), a transformer B-[1], full-bridge rectifiers D-[1]～D-[4], a capacitor C-[1] and a trichromatic fluorescent lamp.

＃ 公用运算模式的一个方面涉及到安全省电照明灯机床aperation组成的一个普遍球灯插座（ 1 ），层压板（ 2 ），普遍的球（ 5 ），以及灵活的蛇皮灯座（ 6 ），电线（ 7 ），（ 8 ），一盏灯帽（ 13 ），变压器的B - [ 1 ] ，全桥整流器的D - [ 1 ] 个D - [ 4 ] ，是一个电容的C - 1 〕和三基色荧光灯。

Also new to the Obama bookshelves are three mechanical devices on loan from the National Museum of American History's patent collection: models for Samuel Morse's 1849 telegraph register, John Peer's 1874 gear-cutting machine and Henry Williams' 1877 feathering paddlewheel for steamboats.

此外，书架上还增添了从美国历史博物馆借来的三件机械专利藏品，分别是1849年萨缪尔·摩尔斯发明的电报机模型，1874年约翰·皮尔发明的齿轮加工机床模型，以及 1877年亨利·威廉姆斯发明的汽船活叶明轮模型。

All kinds of machine tool castings completely real foam, resin sand casting process / greatly improve product quality .

各种机床铸件完全采用泡沫实型，树脂沙铸造工艺/大大提高了产品质量。

The company produces high-quality machine tools used casting resin sand molding, pleasing to look at.

本公司生产的机床全部采用优质树脂砂造型浇铸，外型美观。

Company hand model dedicated machine, laser scanning equipment, are a professional hand model design and manufacturing company.

公司手板模型专用加工机床、激光扫描设备齐全，是专业的手板模型设计制造公司。

Beijing institute of machine of floating end face seal ring by die successful test pressure casting process.

1985～1988年，北京机床研究所试验成功浮动端面密封环的压力铸造工艺。

Using the framework, the modeling and solving method for machine tool selection in FMS design is discussed in detail.

研究了在上述统一模型框架下FMS机床设备选择问题的建模与求解方法。

It's discussed that self-excitation vibration mechanism with creeping phenomenon for lower motion parts running speed in NC machine tool feed system.

讨论了数控机床进给系统中因运动部件转动速度较低，因而产生爬行现象的自激振动机理；通过对进给系统建立运动模型、导出振动方程从而对爬行现象进行了理论分析。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。