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Abstracts Electrical and hydraulic feed table composite The design table in the motor drive based on the hydraulic system is installed so that the common drive to achieve a straight line from the table feed movement. Designed into the compound to the table in part by the ball screw drive motor, hydraulic cylinder by hydraulic drive, the second part by the connection table. Designed the mechanical structure of the table was designed to understand the institutions and the operation principle of the hydraulic system. The following areas: design of transmission of the table, mainly the use of ball screws; the overall structure of the design table to understand the strengths and weaknesses, take full account of the principal contradiction, merit-based selection; control system design, its applications become more familiar with the Stepper motor-driven feed location can be accurate but the drawback is the lack of output power, so consider the source of the hydraulic motor as the driving force and the stepper motor drive system into the compound, hydraulic feeding Although it is impossible to locate, but with high output power, the two complement each other, so that accurate feed motion can be stable. Significant increase in production efficiency. Key words electric hydraulic feed table composite
The theme of this design is the design, together with its CAD/CAM, of the process and tooling equipment for the rocker shaft bed . This design task is from Chaoyang Diesel Engine Com., Ltd. The purpose of this design is to complete the mold design work for the rocker shaft bed of 195 Diesel Engine, the design of the process flow and process cards for the development of the rocker shaft bed, and the design of some special fixtures for certain processes. We used the Three-dimensional modeling software Pro / E to complete the mould design work, including the modeling work of the parts and blank parts using the part module of the software; the design work of the Investment Casting mold, including the parting surface, the injection systyem, the ejection mechanism, the convex and concave mold, mold base, etc.. Completed the mold assembly drawings with engineering drawings module of Pro / E and CAXA software. Made out the process plan for the part development, including the processing methods, the processing route, the determination of machining allowance, and then calculated the process parameters according to the process plan to produce the process cards. We designed two sets of special milling fixture, one set of special drilling fixture. After analysing, selecting, and design, we finished its engineering drawing with CAXA software.The difficult points of the design are the moulds and fixtures. We finally solved these problems via a large amount of research work and the teacher's assistance, and successfully accomplished this design task.Keywords: solid modeling; mold; fixture; technique 完全是自己翻译的，我是搞机械设计的，学习了。谢谢楼主提供的翻译练习机会。
在上次的基础上做了对应的调整和适当的修改。望分析体会，以求能有所收获！AbstractThe article is entitled as Process Tooling Design and CAD/CAM of the Rocker Axle Base from Chao Yang Diesel Co.,Ltd.. The design aims to complete the module design of 195 diesel rocker axle base, the draw up of its processing line and procedure card and the design of manufacturing special fixture, etc.Model-designed by the 3D shaping software Pro/E, the content consists of the following: solid mold which spares and blanks are built by the spare mold, design for the investment casting molds involving the analysis, calculation and design of mouldjoint, gating system, ejecting machine, punch-cum-blanking die and the die base,etc. Then complete the final assembling drawing according to the engineering module and the CAXA electronic drawing board. Establish the spares processing techinical procedure,including the select of the processing method, the sketch out of the processing line and the definition of the maching allowance. Then calculate the techinical parameter and establish corresponding process card in light of the technical schedule. Design two sets of special milling machines and one set of special drilling machine. After the analysis, select and design, finally accomplish the engineering drawing by use of CAXA electonic sketch board.The design difficulty is the jigs and the moulds. After refering to plenty of documents, settle down these problems and round off the design under the guide of teachers.Key Words: solid model, module, jig, procedure
The thermodynamic calculation is the basis of the compressor calculation. With the help of the compressor-aided design system, the ordinary compressor is able to speed up its progress in calculation, which in turn reasonablizes the design; while the thermodynamic calculation of non-oil lubrication compressor caused errors or inaccuracy when pictures are retrieved by hand and figures are not best chosen. It is towards this problem that the compressor-aided design system for the thermodynamic calculation of non-oil lubrication compressor is made by digitalizing all the pictures and figures. This system will simplize the calculating process of the thermodynamic non-oil lubrication compressor, enable to select data on line, retrieve pictures and figures intelligently, output, save and print them and improve the accuracy and reliability of the calculating parameters as well.Key words：compressor , thermodynamic calculation, aided design system, non-oil
Since the 21st century, the human economy has developed high speed, the people live have had the change which changes with each new day, specially computer's application and popularization to economical and social life each domain. Along with the computer in the social life each domain's widespread utilization, the computer virus attack and the guard technology unceasingly is also developing, has brought the huge destruction and the latent threat for the computer system. It is reported that various countries suffer the computer virus infection and the attack event are counted by the 100 million, has disturbed the normal human society life seriously, has brought the huge latent threat and the destruction for the computer network and the system. Along with the computer, the network utilization popularizes unceasingly, thoroughly, will guard against the computer virus to receive various countries to take seriously more and more. In order to ensure system's security and unimpeded, therefore, studies the computer virus the measure to be imminent. This article obtains from computer's characteristic, to come the preliminary discussion to cope with the computer virus the method and the measure. 计算机Computer,、病毒 virus系统安全system safety
8.大规模定制下的配送设施 这种具有竞争力的产品和服务的提供方式已经从广告，媒体和配送设施等方面威胁到了大量生产。由于大量生产就必需要大量消费，因此配送设施和批发、零售产品的方式的出现在一个手工生产驱动的系统里毫无竞争力。这种结构类型中最著名的可能莫过于百货公司。尽管大量流通的报纸、国家广播、电视节目对于大量生产的配送要求实质上与百货公司差不多。它们之中对于大量生产的市场配送方式最主旨上的区别莫过于其更趋向于平均的或者说典型的顾客。 敏捷制造的竞争力依赖于个性化的产品和交互式的客户关系。不可避免的是这样带来了反映不同以顾客为中心的各种产品配送方式（如，产品和服务的提供者直接面向市场）。这种方式比起以前的大型超市给顾客的被动的购买经验来，能更为互动的将客户与制造者连接起来。客户可以在现成的产品中找出最接近于其心目中所需要的。通过对比得知，拥有经济实力（经济手段？？）的人在这些定制化的专业商店的产品，手工制作的商品生产和服务的提供里扮演着更为重要的角色。敏捷时代的购物会将各种产品和服务的推销特点如溢价、赠品、定制化进行集成。这样才可能会有厂家与顾客的直接联系存在，例如，当一个生产商做完自己的市场和销售之后。为了给其客户进行增值来确定什么才是客户真正所需要的，就会产生电话销售、有线电视的购物频道，网上的购物网站，超市，百货里的汽车购买贷款店（也许有天会是4s店）和其他公司、政府、学院的建筑物和其他双向或是交互的媒介，这一系列新的服务机会9.狂热的改革经历了19世纪80年代激烈的竞争之后，美国公司开始采用一系列的革新措施来寻求利润的增长和阻止已建立的市场中市场份额的流失。这些创新措施包括：SPC，JIT（准时）物流，柔性制造，计算机集成制造，多功能工作小组，并行工程，企业集合（虚拟企业？？），管理层级整合，授权工作人员，持续改进，质量控制，公司重组，流程再造，质量功能拓展，制造资源计划等等。....任务完成！哈哈
最好的玉米品质,即玉米与最低的应力开裂的比例最低,189.1; 制作太阳干燥和蒸汽干燥. 太阳晒厂能生产玉米,很少应力裂纹和低科技的价值观. 样品干燥蒸汽烘干还显示数应力裂纹和低科技的价值观. 在比较曝晒和蒸汽干燥kernels, 应该认识到,质量晒玉米很大程度上取决于天气条件和粮食混合策略. 相比之下, 质量的玉米干燥蒸汽烘干不会受天气或操作条件 因此,可以预期的是类似的蒸汽干燥样品分析. 在机械烘干,蒸汽干燥显示的最低增幅应力裂痕. 多阶段concurrent-/counter-flow起始干燥证物增幅最高,较阶段的干燥,更多地强调了裂缝. 混流式干燥呈中度增加内核应力裂痕. 平均增加的百分比应力裂缝是11蒸汽干燥,30混流式干燥 45crossflow干燥60concurrent-/counter-flow干燥. 应力裂纹人物玉米报在这项研究中烘干类似于报告机械干燥设备 美国的montrossetal[3]. 据montross研究应力开裂增加并发流干燥(记住: 美国并行流干燥不缺水粮食反流)为50%-74%, 混流干燥66%(只有一个烘干测试),穿流干燥81%-89%. 美国干衣显示出较高的应力crackedkernels要比中国烘干的同一类型, 尤其是横流烘干机. 这可能是由于种种分歧,但有可能造成较高的干燥温度用来在美国 比在中国[1]. 主要结论可从这种玉米晒在中国有: 1)晾晒还能生产玉米的最低数量的应力裂纹如果实施得当. 2)蒸汽干燥玉米通常有一小部分的应力裂纹. 3)三大高温型干燥器,混流生产烘干玉米质量较高, 即用较少的裂缝应力比横向干燥器和concurrent-/counter-flow烘干机.
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最好的玉米品质,即玉米与最低的应力开裂的比例最低,189.1;制作太阳干燥和蒸汽干燥.太阳晒厂能生产玉米,很少应力裂纹和低科技的价值观.样品干燥蒸汽烘干还显示数应力裂纹和低科技的价值观.在比较曝晒和蒸汽干燥kernels,应该认识到,质量晒玉米很大程度上取决于天气条件和粮食混合策略.相比之下,质量的玉米干燥蒸汽烘干不会受天气或操作条件因此,可以预期的是类似的蒸汽干燥样品分析.在机械烘干,蒸汽干燥显示的最低增幅应力裂痕.多阶段concurrent-/counter-flow起始干燥证物增幅最高,较阶段的干燥,更多地强调了裂缝.混流式干燥呈中度增加内核应力裂痕.平均增加的百分比应力裂缝是11蒸汽干燥,30混流式干燥45crossflow干燥60concurrent-/counter-flow干燥.应力裂纹人物玉米报在这项研究中烘干类似于报告机械干燥设备美国的montrossetal[3].据montross研究应力开裂增加并发流干燥(记住:美国并行流干燥不缺水粮食反流)为50%-74%,混流干燥66%(只有一个烘干测试),穿流干燥81%-89%.美国干衣显示出较高的应力crackedkernels要比中国烘干的同一类型,尤其是横流烘干机.这可能是由于种种分歧,但有可能造成较高的干燥温度用来在美国比在中国[1].主要结论可从这种玉米晒在中国有:1)晾晒还能生产玉米的最低数量的应力裂纹如果实施得当.2)蒸汽干燥玉米通常有一小部分的应力裂纹.3)三大高温型干燥器,混流生产烘干玉米质量较高,即用较少的裂缝应力比横向干燥器和concurrent-/counter-flow烘干机.
题目是：人体三维数字化测量及建模研究 My question is: human 3d digitizing measurement and modeling study
Digital 3-dimensional Body measurment and mold-building research
兄弟，这么长，就出五分，你也太葛朗台了吧
2.1. Seed quality evaluation 2.1.1. Mechanical damage Three replications of 100 seeds were soaked in 1% sodium hypochlorite solution for 10 min. The seeds with seed coat damage swelled visibly and were counted using a hand lens. The split (%) was obtained by passing 200 g of seed through a 4.00mm round hole sieve. The material that passed through the sieve was termed as ‘‘splits’’ and then weighed (Anonymous, 1985). 2.1 豆种质量评估2.1.1机械损伤经过3遍流程的100颗豆种在1%的漂白液中浸泡10分钟。种子以及种皮的很明显地膨胀损坏可以通过手持透镜观测到。 破裂指数通过200g的种子经4毫米圆洞筛网筛选得到。通过筛网的原料被称作“破裂”然后称重。2.1.2. Germination test Germination ability was determined according to the Association of Official Seed Analysts (Anonymous, 1981). Three replications of 100 seeds were placed in presoaked germination paper and were then placed in a seed germinator at 251C for 7 days. After 7 days, the percentage of seeds germinating normally was recorded. 2.1.2 发芽力检测发芽能力是按照官方的种子专家学会去定义的。经过3次流程的100颗豆种被放置在发芽试纸上预浸，人后在发芽力检测仪上以251C的温度放置7天。 7天之后， 发芽种子的比例被记录下来。2.1.3. Seed vigor The seed vigor tests were conducted according to the International Seed Testing Association (ISTA) method (Anonymous, 1985). Sheets of paper towel with 350 seeds were kept in a seed germinator at 251C for 7 days. After 7 days, the lengths of germinated seedlings were measured in centimeters. The vigor index was calculated as vigor index ¼ 1 NX germination ð%Þ seedling length ðcmÞ; where N is the number of seeds that germinated. 2.1.3 种子的活力种子活力的检测是按照国际种子检测协会的步骤操作的。350颗豆种放在纸巾上，在种子发芽力检测仪器内以251C的温度保存7天， 7天之后， 以厘米为单位去测量种芽的长度。活力指数是按照vigor index ¼ 1 NX germination ð%Þ seedling length ðcmÞ; where N is the number of seeds that germinated.（此处由于有乱码， 无法翻译）2.1.4. Accelerated aging This test was used to predict the storage potential of seed. It combines the stresses caused by high temperature and high humidity to which seed maybe exposed. It is expected that the seed lots which record a higher level of germination in the accelerated aging test can be stored for a longer period than others. Two replications of 50 seeds were kept in perforated plastic boxes. These boxes were kept at 401C and at 100% relative humidity(r :h:) for 96 h. The germination of these lots was recorded as outlined by the ISTA (Anonymous, 1985). 2.1.4加速老化这个检测是用作预告种子的储存潜力的。 它包括也许种子露天放置时，由高温度和高湿度造成的作用。人们预计在发芽力检测中有高记录的那批种子能够在加速老化测验中比其它的种子储存的更久。经过2次流程的50颗种子保存在穿孔的盒子当中。这些盒子被放置在401C温度及100%相对湿度中96个小时。这批的发芽力被ISTA作为要点记录下来。2.2. Determination of moisture content The standard oven method outlined by the ISTA (Anonymous, 1985) was employed. Three replications of 10 g seed were kept in a hot air oven at 1021C for 24 h. At the end of this period, the samples were transferred to a desiccator for cooling. The samples were then weighed and moisture content calculated on a dry mass basis. 2.2 含水量的定义ISTA大纲中的标准加热程序被引用到这里。经过3次流程的10g豆种被保存在干烤箱中以1021C的温度放置24小时。 在检测最后， 样品被转移到干燥器中冷却。然后样品称重，并计算含水量，按照折干计算。2.3. Evaluation of damage due to free-fall To determine the effect of height of fall on the seed quality, three replications of 100 seeds, drawn from each treatment, were dropped from a height of 0.5, 1.0, 1.5, or 2.0m on to a cement floor or a galvanized iron floor. The dropped seeds were tested for germination and vigor as before. 2.4. Statistical analysis of data The data collected during the experiments were analyzed using ANOVA (Anonymous, 1992) to study the effects of m:c:; process stages and heights of free-fall on the parameters of seed quality. The differences in means were examined using the Tukey test of significance.2.3 由自由下落造成损失的评估为了确定下落高度对种子质量造成的影响， 经过3遍流程的100颗种子， 分别从0.5， 1.0， 1.5， 2.0米处下落到水泥地或者镀锌铁板上，象以前一样，下落的种子被检测种子发芽力以及活力。2.4数据统计分析使用ANOVA分析了在实验当中所收集的数据，研究了含水量，加工平台以及自由下落的高度参数在种子质量方面的影响。检测方式的差异已被Tukey test of significance.验证。
IntroductionMachining aims to generate the shape of work-piece form a solid body,or to improve the tolerances and surface finish of a previously formed work-piece,by removing excess materials in the form of chips. Machining is capable of creating geometric configurations,tolerances, and surface finishes often unobtainable by any other technique.However, machining removes materials, which has already been paid for, in the form of relatively small particles that are more difficult to recycle and are in greater danger of becoming mixed. Therefore,developments often aim at reducing or-if at all possible-eliminating machining, especially in mass production.For these reasons, machining has lost some important markets, yet, at the same time, it has also been developing and especially having captured new markets with the application of numerical control.Some feel for the important of machining may be gained from the observation that in 1983 there were about 2 million metal-cutting machine tools in the unite states ( of which some 5% were numerically controlled ) and that labor and overhead costs amounted to $125 billion, or 3% of the GNP.
In view of the pivotal role of rolling bearing in rotating machinery and equipment, it is very important to diagnose the fault, and it is the best way and means to establish a set of efficient and convenient bearing fault diagnosis system. Most of the traditional diagnostic system depends on a number of professional hardware equipment, these instruments are obviously difficult to meet the requirements of information technology, and caused a lot of hardware redundancy. With the rapid development of computer technology, the virtual instrument technology has been applied to the field of bearing fault diagnosis has become a trend. This paper introduces the characteristics and structure of virtual instrument technology. On this basis, the resonance demodulation technique is introduced into the signal analysis of virtual instrument to extract and analyze the bearing fault signal. Finally, based on LABVIEW platform, a set of virtual instrument for bearing fault signal analysis is developed.