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Varieties. Machine Tools Co., Ltd. Zhejiang Jack always adhere to the "brand management, the credibility of Societe Generale," the purposes and operation of "the user's worries away, leaving Jack's sincere," the concept of service, quality products to new markets devotion, dedication users; carry forward "and, Sincerity , fight, Horie,"The entrepreneurial spirit and" we have been committed to innovation,"the core idea to Jack abundant resources, bigger, stronger, to do precision machine tool industry, for machine tool industry in China, stand out and become the most large-scale machine tool manufacturing outstanding enterprises, machinery and equipment for China's industrial development and make its due contributions.

浙江杰克机床有限公司始终坚持&品牌经营、信誉兴业&经营宗旨和&带走用户的烦恼，留下杰克的真诚&服务观念，以全新优质的产品奉献市场，奉献用户；发扬&和、诚、拼、崛&的企业精神和&我们一直致力于创新&的核心理念，以杰克丰厚的资源优势，做大、做强、做精机床产业，争取在中国机床工具行业中脱颖而出，成为国内最具规模的机床制造的优秀企业，为中国机械装备工业发展作出应有的贡献。

Heat deformation of the machine tool spindle system is one main reason which affects the accuracy of the machining, so the heat design of the machine tool spindle system play an important role in designing the machine tool. Research of this area had been made more progress at home and abroad, but extent and deepness of theory and engineering application is not enough.

机床主轴系统的热变形是影响机床加工精度的主要原因之一，因此机床主轴系统的热设计在机床设计中占据重要地位，国内外在该领域的研究虽然取得较大进展，但理论和工程应用的广度和深度还不够。

ABSTRACT Based on the analysis of recent research on machine tool spindles at home and abroad, this thesis makes the thorough study on the dynamic behaviour and static stiffness of machine tool spindles and develops a new kind of machine tool spindle of good dynamic behaviour.

本文在分析国内外机床主轴部件研究现状的基础上，深入研究了机床主轴部件的动、静态性能，并开发了一种新颖的具有优良动态性能的高阻尼机床主轴部。。。

Hand tools, hand tool sets, power tool accessories, roller cabinet, tool case, socket and socket sets.

2D02(W2D02)手工具，手工具组套，电动工具附件组套，工具车，工具箱，套筒及其组套。

Sometimes the tool post sits on a compound tool rest which incorporates a slide that can be set at any angle; thus, conical surfaces may be formed by hand feeding the tool.

The追踪者或复制的车床被设计自动地导致不规则形的零件。这台车床的基本操作如下是。平或三维形状模板在持有人安置。 guider或尖沿这形状和切割工具的它的运动控制然后移动。

The tool itself is held in a tool post which allows setting the tool at an angle.

工具在准许设置工具有一个角度的工具岗位被拿着。

This paper elaborates,in the lathe numerical control system GSK 996T,under the condition of guarantee of cutting accuracy,how reasonable use of the tool is made by setting proceed complex components repeatedly when there is no four-way tool post in machine tool body,i.

本文阐述了在GSK996T车床数控系统中，当机床本体没有四方刀架，即只有排刀架时，在保证切削精度的前提下，如何利用多次对刀对复杂零件进行合理加工。

Based on the geometry constraint and dimensiondriving technique, a 3-UPU parallel simulation mechanism is created. Then a 3D free surface and a guiding plane of tool path are constituted, with the 3-UPU parallel machine tool combined, a novel 3-UPU simulation parallel machine tool for machining a 3D free surface is created.

通过几何约束和尺寸驱动技术，先建立3-UPU并联模拟机构，再构造任意3D自由曲面和刀具轨迹的引导平面，与3-UPU模拟并联机构合成，得到用于加工任意3D自由曲面的模拟并联机床。

Based on the geometry constraint and dimension-driving technique,a 3-UPU parallel simulation mechanism is created.Then a 3D free surface and a guiding plane of tool path are constituted,with the 3-UPU parallel machine tool combined,a novel 3-UPU simulation parallel machine tool for machining a 3D free surface is created.

通过几何约束和尺寸驱动技术，先建立3-UPU并联模拟机构，再构造任意3D自由曲面和刀具轨迹的引导平面，与3-UPU模拟并联机构合成，得到用于加工任意3D自由曲面的模拟并联机床。

Common rolling plank is shown intense (orientaton of 0002) tool reference plane, after rolling of horn waiting for diameter, plank grain orientaton by original (change of orientaton of 0002) tool reference plane is; of orientaton of blame tool reference plane the existence after strain crack of common rolling plank is many twin brilliant, amount of brilliant of twin of drawing of direction of rolling of edge of plank of rolling of horn w

普通轧制板材呈强烈的(0002)基面取向，等径角轧制后，板材晶粒取向由原来的(0002)基面取向转变为非基面取向；普通轧制板材拉伸断裂后存在大量孪晶，等径角轧制板材沿轧制方向拉伸孪晶数量明显减少，等径角轧制有可能启动了新的滑移系，而拉伸孪生只是作为一种协调变形机制。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。