加工

Ultra high-pressure processing is a new kind of food process ing technology.

超高压食品加工技术是一种新型的食品加工技术。

The principles of forming toroidal gear have been studied and the trajectories of the machining tools have been obtained. Then, the generating method for manufacturing of the internal toroidal gear by using the envelope method has been proposed. Further, spatial meshing profile normal theory is applied to design the profile of the proposed hobber, and the fix angles of the hobbing cutter have been confirmed.

对内超环面齿轮齿廓的形成原理进行研究，得出加工刀具的运动轨迹曲线，提出包络法加工内超环面齿轮，并采用空间啮合齿廓法线法设计刀具廓形，确定刀刃切削角度，完成基于SolidWorks的刀具体三维造型设计。

The machining method of the horning wheels based on Gleason spiral bevel gear generators are studied in a deepgoing way, the corresponding algorithms to obtain the geometric parameters of both the workpiece and honing wheels, and the parameters of cutter head and machine setting for the machining of horning wheels are introduced in details.

为了解决大批量Gleason制螺旋锥齿轮制造中的热后精整问题，本文提出了将珩齿技术应用于螺旋锥齿轮的硬齿面加工中，并提出了珩磨轮的优化设计方法，研究了珩磨轮的特殊制造工艺中存在的拨模干涉检验、干涉修正及金属模的加工方法等问题。

An MHP based thermal vacuum sensor was designed in the supporting beams of 65 μm long and 21 μm wide, and the gas gap below micro hotplate of 0.5 μm. The micro sensor was fabricated successfully with surface micromachining technology.

设计了一种边长为93μm、四臂支撑的方形微热板结构的电阻真空传感器，支撑桥长65μm、宽21μm，微热板与衬底之间的气隙高度为0.5μm；采用表面微机械加工技术成功实现了该传感器的加工。

Based on the dynamic materials model theories,hyperbolic sine equation and two Liapunov stability criteria,the processing maps of T122 heat resistant steel were constructed using the data obtained from isothermal hot compress test s by means of a Gleeble 3 500 simulator.

结果表明：T122钢在1085℃以上、应变速率小于0.37s-1压缩变形时，功率耗散效率达到峰值0.2，此时发生了完全动态再结晶；对于工业热加工，建议在变形温度为1085~1150℃和应变速率大于0.13s-1的范围内选择加工参数

Secondly, the paper is expanded from follow three aspects: the virtual design, the virtual process and the product data managementduring the developing the torque converter. Applying the key technique of concurrent engineering---design for function, design for assemblyand design for manufactureof the method of design for "X", the virtual design of the torque converter is accomplished in CATIA V5. Then the model constitution and the simulation of virtual process of the torque converter is done in CATIA V5, including the model constitution and the simulation of 5-aixe NC virtual process of the vane, the model constitution（material:PVC） of the idler pulley rapid prototypingand the virtual assembly and the motion simulation of the torque converter, etc. 3-D data exchange between various CAD systems is realized by using STEP standard. The lever of classing the character model of the torque converter is given. And the access authorization is set up and given to manage the partners' reading/writing the product data.

应用并行工程的关键技术之一——面向产品全生命周期的设计DFX中面向功能的设计DFF、面向装配的设计DFA和面向制造的设计DFM的方法，在CATIA V5中完成液力变矩器虚拟设计；在CATIA V5中对液力变矩器进行虚拟加工建模和仿真，包括液力变矩器导轮叶片五轴数控加工刀轨建模与仿真、导轮快速成型RP建模、液力变矩器虚拟装配和运动仿真等；采用STEP标准实现多CAD系统之间三维数据交换，提出液力变矩器特征模型的分级标准并对三维模型数据进行分级管理，制定相应的权限等级以规范合作厂家的产品数据管理层次。

The results indicated that the thermal stability of thepolymers is greatly associated with the structure of the modified groups.Moreover, the imide- derivatives have greater thermal stability than thecorresponding amide- derivatives. This can provide useful information on thepreparation and processing of this kind of polymers.

用PyGC-MS对酰胺型和酰亚胺型改性聚乙烯在加工条件下的热分解产物进行了定性和定量的测定，结果表明不同改性基团对聚合物热稳定性有很大影响，酰亚胺型改性聚乙烯的热稳定性大于酰胺型，这为该类聚合物的制备加工和应用提供了有用的信息。

The use of linear motor in industrial application is increasing in the past few years. Meanwhile, as the need for high speed and high precision in the modern processing technology is increasing imperiously, traditional motors are replaced by linear motors.

中文摘要近几年来，线性马达在工业上的应用有显著的增加，随著现代化加工技术对於高速化、高精度加工的迫切需求，目前在精密机械产业上线性马达已逐渐取代传统马达成为市场新主力。

Further more, in order to express machining conditions with graph theory a new theory and space network are proposed, the decision of machining plan is made with incidence matrix.

提出了推理过程的具体算法，从而进一步提出了用图论来表达加工空间状态网络图，以及用有向图的关联矩阵进行加工方案的决策等新的理论和方法。

Driving toothed gear precision forgings have been successfully produced by compound precision form ing technology combined waFln forging of blank with cold extrusion not only with high surface cleanness,dimension accuracy and small post machining of outer surface but also the indention inner gear formed by cold extrusion can be put into use without post machining,with notable energy saving and material saving and economic benefit.

精锻件不仅表面光洁、尺寸精度高、外表面的后续加工余量小，而且冷挤压成形的锯齿状内齿无需后续加工就可以装配使用。因此，精密成形具有显著的节能、节材效果，经济效益十分显著。

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。