基于CAN总线的机器人单元监控系统的设计

针对机器人制造单元现场环境复杂、监控所需数据量大,实时性、可靠性要求高的特点,设计并开发了一种基于CAN总线的机器人制造单元监控系统。该系统主要包含数据采集与通讯、可视化监控和信息存储三部分。重点介绍了基于80C51的CAN总线节点在机器人制造单元中的软、硬件的实现架构及其应用。实际运行表明,该系统能有效的监控机器人制造单元的运行,保证单元运行的稳定、可靠,提高机器人制造单元运行效率。     

5182铝合金罐盖料生产工艺技术

阐述了5182铝合金罐盖料的生产和应用现状。对5182铝合金罐盖料的化学成分及各合金元素的作用、Fe和Si杂质的控制,生产中熔体处理、铸造、均匀化处理、热轧、冷轧、热处理、表面处理工艺技术问题进行了评述。     

基于SolidWorks的封罐机靠模凸轮曲线建立

封罐机靠模凸轮曲线的计算一般需要建立多个方程,并进行大量计算.本文探讨了一种在机械设计软件SolidWorks环境下,运用机构运动分析的技术得到凸轮曲线的方法.该方法既简便又直观,可以直接转入CAM软件进行数控加工编程.     

硬质合金可转位面铣刀的正确使用方法浅析

从铣刀的安装、铣削方式、刀具切削角度的组合、螺旋角的选择、铣刀轴线的位置、修光刀片的使用等方面,讨论了硬质合金面铣刀的合理使用技术。     

塔式集束立管安装方案研究

对不同类型的塔式集束立管的海上安装方案进行了分析研究,为塔式集束立管在中国南海的应用提供参考。     

Close-range blast loading on empty recyclable metal beverage cans for use in sacrificial cladding structure

This article deals with the experimental and numerical blast study on a single empty recyclable metal beverage can. The idea is to make a macro-foam (sacrificial cladding structure) out of these cans to protect the main load bearing members of civil engineering structures from the air blast load. Close-range free air blast tests have been conducted to understand the crushing behaviour and the energy absorption of a single empty beverage can in detail. To conduct such an air blast test a special small-scale test set-up was designed and manufactured. The effect of skin plate surface area and its nature on the blast parameters is studied. Furthermore, the effect of inertia of the skin plate on the crushing performance of the beverage can is evaluated. Tests have been conducted with different plates (made of aluminium and sandwich composite materials) with different masses which represent the skin plate of the proposed sacrificial structure. The measured blast parameters from the experimental tests were compared with ConWep predicted data. Furthermore, the influence of the finite surface area of the skin plate on the clearing of the reflected pressure waves was also studied. The deformation behaviour and the corresponding energy absorption of empty beverage cans were captured. During the experimental blast tests it was observed that a part of the total reflected impulse (∼30%) was lost before it transfers to the non-sacrificial structure. Hence, in order to investigate this phenomenon Eulerian-Lagrangian coupled analyses were conducted using Hydrocodes. The results from these analyses showed that the diffraction and ground reflected pressure wave caused the loss in impulse. The results from the numerical studies have been compared and validated with the experimental results.     

基于UML的高校学生请假系统的建模与实现

高校学生请假系统是适用于高等院校学生请假的网络应用软件.在需求分析过程中,将整个系统分为学生请假模块、辅导员和学生主任模块、主管院长模块和教师模块等6部分,使用统一建模语言UML对系统进行面向对象的分析和建模,完成了系统的静态建模.在数据库设计中用E-R图建立了数据库的概念模型.系统采用B/S结构开发,在校园网上进行测试,实现了预期目标.     

国外电阻焊罐身成形组合机介绍

本篇着重就国际食品包装机械之一的电阻焊制罐设备的技术水平，德国、瑞士、意大利、日本等工业发达国家的电阻焊机技术水平进行了简要描述，力求为我国发展电阻焊制罐设备技术提供参考，以利于在不久的将来，使我国的电阻焊制罐技术赶上国际先进水平。     

ZTC4筒形件温成形扩口数值模拟

对铸造Ti-6Al-4V筒形件温成形扩口成形工艺进行了数值模拟分析，得出了优化的工艺参数，并对凸模锥角进行了优化模拟，得出了合适的锥角。