Receive detailed information on machine tools for various materials , machine cutters and cutter knives , bowl - chopper knives or on other machine tools with the enterprise steffens g walter gmbh co Steffens g walter gmbh co公司积累了多年经验,在自己的网页上这家企业为您介绍其它的专门产品,例如关于绞刀,机用刀片(刀齿) 、机用切刀,用于各种原料的机械工具,其它机床。
From this work , we can assess the design of the cutter ladder , find the way to reduce the risks in designing , take a basis of using the risk analysis in design , and provide a design way to the big structure on engineering ship 总结降低设计风险的途径。通过以上的工作可以完成对绞刀架设计结果的评估,研究降低设计风险的途径,为风险评估方法在设计过程中的应用打下基础,同时为工程船大型结构件的设计提供一种方法。
Sealing and sliding sealing rings , cutting tools , reamer tips , reamer heads , saw tips , clamping supports , inserts for bore - crowns , plates , tip inserts for measuring and testing devices , nozzles , lining bushings , milling inserts , cold rolls , drawing dies , powder pressing dies 密封环和滑动密封环、切削工具、绞刀齿、绞刀头、锯齿、夹具、牙冠填充物、金属板、测量和试验仪器的顶端衬垫、喷嘴、衬套轴套、铣削衬垫、冷压模具、冲模、粉末压模。
1 . to define the system of the cutter ladder and loads ; 2 . to study the cutter ladder from structural mechanics , to define the sharp of structural and preliminarily verify its intensity ; 3 . using finite element method to study the intensity of the cutter ladder ; 4 . using the risk analysis to assess the design of the cutter ladder ; 5 . find the way to reduce the risks in designing 对绞刀架进行理论分析,确定结构形式,初步校核其强度; 3使用有限元程序对绞刀架强度作进一步校核; 4以风险评估理论对绞刀架设计结果进行评估; 5
Based on designing the models of cutter and dc motor , this paper introduces how to match the characteristic between cutter and dc motor , then analyzes the principle of speed regulator , relay control system and thyristor bridge in the cutter driver system and designs a simplified model . in the end , a small simulation program is provided to demonstrate how to work in cutter driver system model . 4 在设计绞刀和直流电动机的仿真模型的基础上,提出了绞刀与直流电动机特性的匹配方法,然后分析了调速系统、可控硅整流系统和继电器控制系统的工作原理,设计了简化的仿真模型,最后提供了仿真程序的实例; 4 、液压系统。
This paper designs the characteristic curves and system curves for the dredging materials of the water and all kind of mixtures , which base on the theory of hydraulic dredging and the experiment data of prototype dredger , then puts out the equations of computing the work point of dredge pump system and the model that can simulate the work condition of dredging pump such as the flow rate , vacuum and pressures 该模型根据水力疏浚原理和1750挖泥船的技术数据,设计了泥泵和管路的清水特性曲线与泥浆特性曲线,在此基础上给出了泥泵工作点的计算方法。最后给出了计算泥泵工况的模型和仿真实例; 3 、绞刀电动机拖动系统。
Based on the technical requirements of manufacture , application and repair of the pump shell and cutter piece of the cutterhead pipeline dredge , put forward are the re - manufacture three principles on easily damaged workpieces of dredge engineering . with the inter - clamped structures on the pump liners , the gradient wear - resisting design on the cutter piece , and the new techniques in the process of re - manufacture , new wear - resistant materials , including high - cr alloy , overlaying and brazing deposits , and polymer adhesive coatings have been successfully applied to the re - manufacture dredge pump shell and cutter piece . the application results show that their wear - resistant lifetimes and the dredging profits have been increased remarkably 根据绞吸挖泥船泥泵绞刀的制造、使用和修复性能要求,提出了疏浚工程易损件再制造三原则;采用泥泵内衬互锁结构、绞刀梯度化耐磨设计和工艺再制造新技术,将高铬合金耐磨材料、熔敷耐磨材料及其复合材料和高分子耐磨胶粘涂层材料成功地应用于再制造泥泵壳和绞刀片上,显著提高了泥泵壳和绞刀的耐磨寿命和挖泥船的疏浚效益。
From the viewpoint of the characteristics of two - phase liquid sand slurry wear , combined with the examination and study on easily damaged workpieces , the wear failure ' s basic rules are pointed out , of the pump shell and the cutter - piece on service , and the general principles of material wear - resistant designs put forward . the sand slurry abrasion tester has been designed and developed which can simulate general dredging conditions . summarized and presented are the position - exchange measuring method of sand slurry abrasion test and the experiment specification of sand slurry wear test of dredging conditions 文中系统论述了作者在疏浚工况泥沙磨损机理及其耐磨新材料课题研究中的工作成果,主要研究内容和创新点如下:总结分析了磨损研究动态和提高材料耐磨性的方法;从两相流泥沙磨损的特点出发,结合对失效易损件的考察研究,分析指出了现役泥泵壳和绞刀片磨损失效的基本规律,提出了材料耐磨损设计的基本思想;设计研制了能模拟疏浚工况的泥沙磨损试验机,总结提出了泥沙磨损试验换位测试法和疏浚工况泥沙磨损试验规范。
Correspondingly , its theory is up to developed to a higher level . in this thesis , taking the risk management activities of the two parties of insurance as the perceptive and the process of engineering insurance as the clue , the establishment of risk management system is analyzed during the process of risk identification and evaluation , insurance contract arrangement , disaster prevention and loss reduction , and the compensation management . furthermore 本文在查阅大量文献的基础上,对疏浚泥泵及排泥管道的动态特性现象进行了分析,并应用面向对象的c + +语言开发了比较通用的计算机程序,对紧急关阀、水下挖掘机具(如绞刀、斗轮等)吸泥口堵塞以及事故抛泵等典型的动态工况特性进行了计算和分析。