共查询到19条相似文献,搜索用时 218 毫秒
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为提高电子设备中电连接器的装配效率和装配质量,文中针对一种高精度电连接器进行了自动化装配工艺研究。通过搭建具有自感知能力的自动化装配试验平台,开展了电连接器自动化装配试验,获得电连接器自动化装配的位移–压装力曲线、最大压装力分布等关键工艺数据。针对压装力在装配过程中的变化趋势,进行了较详细的原因分析。基于大量的试验分析结果,给出了电连接器自动化装配过程在线实时监控措施,使电连接器自动化装配质量可控。实际应用结果表明,这种基于装配工艺参数监控的质量控制措施可靠、有效。 相似文献
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以某企业的PTA空压机组膨胀机背板更换组装为例,对PTA空压机组膨胀机背板的组装工艺进行了分析研究,说明了膨胀机背板运行过程中的主要影响因素,并总结了PTA空压机背板的现场安装工序以及技术要点.分析认为,在PTA空压机组使用过程中,应该针对膨胀机组背板结构进行合理安装,定期对背板进行安装管控,以提升背板的安装效果. 相似文献
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《机械设计与制造》2017,(5)
以提高某型号高速背板连接器的机械可靠性为研究目标,建立了该连接器单根接触件的CAD/CAE参数化模型,通过借助有限元方法对接触件的插入/拔出过程进行非线性动力学分析,得到了单根接触件动态插拔力的变化情况。其中,母端最大插入力和最大拔出力分别为0.28N和0.09N;而公端最大插入力和最大拔出力则分别为0.348N和0.10N。结果表明:母端所受应力变化明显,而公端的插拔力变化范围较大;与试验测试结果相比较,公端最大插入力符合实际要求,但最大拔出力偏小,且误差较大;通过改变公端的插入位置高度进行插拔力优化后,仿真数值与测试数值基本吻合,从而验证了数值仿真分析的可行性。所得结论可为电连接器的结构设计、优化以及疲劳寿命预测提供参考依据。 相似文献
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论文叙述了背板以太网的现状和要求,讨论了背板以太网设计中需要优先考虑的技术关键点。 相似文献
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高可靠线簧式电连接器 总被引:2,自引:0,他引:2
介绍了线簧式电连接器的核心部件——线簧孔的结构特点 ,并从多方面对其可靠性进行了分析。理论和实际表明 :线簧式电连接器是一种高可靠的电连接器 相似文献
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介绍了PTA空压机组膨胀机的运行及检修概况,分析了其涡壳及背板在高温环境下运行产生涨差而导致背板变形、气封泄漏的问题,并针对该问题设计新型结构的背板、制定现场组装工艺,确保了设备组装的精度。 相似文献
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《现代制造技术与装备》2019,(9)
密封性和尺寸是影响点火器发火安全性的关键因素,压力和扭矩是影响锥形密封结构密封性和尺寸的核心装配工艺参数。目前,手工装配过程存在压力、扭矩未能实时采集以及操作繁琐等问题。通过对插塞压装工艺流程分析,重新确定了压力和扭矩加载时序。基于伺服加载系统,研制出锥形电连接器复合压拧装置和系列工装,并进行了试验验证,解决了生产过程量化控制问题,降低了生产劳动强度。 相似文献
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Yong Zhang Yu Huang 《The International Journal of Advanced Manufacturing Technology》2018,96(9-12):3161-3174
The backplane processing is an important part of the manufacture of electronic communication equipment; the current processing of backplane surface, especially the rough machining, is still using milling; and the production efficiency is quite low. This paper presents a new method to turn with a cylinder for the rough machining of multi backplane surfaces, which is based on a conventional horizontal lathe and uses the improved method of noncircular machining. The performance requirements of fast tool servo (FTS) device and control model for the machining of noncircular surface are analyzed firstly; the position following control strategy is used instead of traditional position interpolation, according to the multi backplane surfaces machining technology and control strategy; and a novel algorithm, which is combined UG (Unigraphics NX) software surface fitting with cubic spline curve fitting of multi backplanes’ space, is proposed for computer-aided manufacturing (CAM) software design. Finally, the proposed processing method and CAM model algorithm are proved to be effective through the simulation and actual verifications, the products meet the processing requirements and the processing time of each piece is reduced from 8 to 2 min, and they also greatly improve the production automation and achieve energy saving and emission reduction. 相似文献
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采用容错技术,通过2个MCU之间的CAN通讯的消息应答机制,设计了具有容错功能的六通道ABS系统。2个MCU同时接收和处理来自车轮传感器的轮速信号和故障诊断信号。如果主控MCU处于正常工作状态的时候,另一个MCU则处于备用状态,且实时地通过CAN总线和主控进行通讯,对其进行监控。如果主控MCU处于故障状态的时候,备用MCU立即接替主控MCU进行工作,以提高六通道ABS系统的可靠性。 相似文献
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在数控生产制造中,模具属于常见、典型工件产品,相关人员应该对零件结构进行充分了解,对零件图进行分析,对总装图进行充分了解,以此分析机械模具工艺,进而科学应用加工技术.本文阐述了模具数控加工技术概述,介绍了数控技术应用优势,提出几点机械模具生产中数控加工技术应用要点. 相似文献
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由于科学研究和商业应用对高性能计算机的需求与日俱增,高性能计算机的性能在向E级扩展,计算性能的提高带来了占地面积的提高。急剧增长的占地面积限制了高性能计算机的设计和使用,使得高密度组装技术也成为计算领域一个不可忽视的关键技术。本文根据高性能计算机的计算插件及背板的组装结构设计,提出将高性能计算机的组装结构分为四类。针对TOP500榜单前十名系统的组装结构参数,对各种组装结构进行了分析。指出随着芯片性能的提高,液冷散热技术的广泛使用和技术的成熟,有背板双面组装结构可以有效提高组装密度。 相似文献
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Sungchul Kang Munsang Kim Chong-won Lee Kyo-Il Lee 《Journal of Mechanical Science and Technology》1999,13(12):886-904
In this paper, a target approachable force-guided control with adaptive accommodation for complex assembly is presented. Complex assembly (CA) is defined as a task which deals with complex shaped parts including concavity, or whose environment is so complex that unexpected contacts occur frequently during insertion. CA tasks are encountered frequently in the field of manufacturing automation and various robot applications. To make CA successful, both the bounded wrench condition and the target approachability condition should be satisfied simultaneously during insertion. The bounded wrench condition can be satisfied by properly designing accommodation parameters, which depends on the tolerable stiffness for an assembly task, not to exceed the prescribed contact wrench. On the other hand, the target approachability condition can be satisfied by determining an admissible twist minimizing the deviation between the current and target twist. By applying convex optimization techniques, an optimum target approaching twist can be determined at each instantaneous contact state as a global minimum solution. Incorporated with an admissible perturbation method, a new CA algorithm using only the sensed resultant wrench and the target twist is developed without motion planning or contact analysis (which requires the geometry of the part and the environment). To verify the feasibility of the new assembly algorithm, a wench sensor model based on a minimum distance algorithm has been developed and used to estimate contact wrenches in graphic assembly simulation. Finally, a VME bus-based real-time control system is built for experiments on various CA tasks. The T-insertion task as a planar CA, and the double-peg assembly task as a spatial CA, were successfully executed by implementing the new force-guided control with adaptive accommodation. 相似文献
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落锤式信号发生装置已在工程中广泛应用。搭建了全自动落锤信号发生装置,通过PLC对步进电动机进行控制实现锤体的上升和下降,采用多传感器测量信号;设计结合实际的测量传感器,测试加速度、冲击力和动态压力三个参量,通过作为数据处理装置的电荷放大器,然后通过总线传输,最终在计算机处理平台LABVIEW上,对数据进行处理和显示。 相似文献