第三节__飞机装配准确度和装配过程
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飞机部件装配总装调试流程英文回答:As an aircraft assembly technician, I am responsiblefor the final assembly and debugging of aircraft components. This process involves several steps to ensure that the aircraft is properly assembled and ready for flight.The first step in the assembly process is to gather all the necessary components and tools. This includeseverything from the main fuselage and wings to smallerparts like screws and bolts. Once all the components are gathered, I carefully inspect each one to ensure they are free from any defects or damage.Next, I begin the actual assembly process. Thisinvolves following a detailed assembly manual or blueprintto ensure that each component is installed in the correct order and in the proper location. I use various tools, such as wrenches and screwdrivers, to secure the componentstogether. It is important to be precise and meticulous during this step to avoid any errors or misalignments.Once the components are assembled, I move on to the debugging phase. This involves checking all the systems and subsystems of the aircraft to ensure they are functioning correctly. For example, I would check the electrical system to ensure that all the wires are properly connected andthat there are no short circuits. I would also check the hydraulic system to ensure that there are no leaks and that all the valves and pumps are working properly.During the debugging process, it is not uncommon to encounter issues or malfunctions. In such cases, I would use my troubleshooting skills to identify the problem and find a solution. This may involve consulting technical manuals, using diagnostic tools, or seeking assistance from other team members. It is important to remain calm and focused during these situations to effectively resolve the issue.Once all the systems have been checked and any issueshave been resolved, I perform a final inspection of the aircraft. This involves a thorough visual inspection to ensure that all components are properly installed and that there are no visible defects or damage. I also conduct functional tests to ensure that all systems are operatingas expected. This includes testing the landing gear,control surfaces, and various instruments.After the final inspection, the aircraft is ready for flight. However, before it can take to the skies, it must undergo a series of ground tests and certifications to ensure its airworthiness. This may include weight and balance tests, fuel system checks, and performance evaluations. Once all the necessary tests andcertifications have been completed, the aircraft is readyfor its first flight.中文回答:作为一名飞机装配技术人员,我负责飞机部件的总装调试工作。
第三章 铆接和铆接结构装配普通铆接概述一、普通铆接的概念和过程普通铆接是指常用的凸头或埋头铆钉铆接,铆接过程为:制铆钉孔-制埋头窝-放铆钉 -铆接。
见课本图。
二、普通铆接的缺点增加了结构重量;降低了强度,容易引起变形;疲劳强度低;密封性能差。
导致其它连接方法迅速发展,如胶接,点焊和胶接点焊等三、铆接的优点连接强度比较稳定;容易检查和排除故障(与胶接焊接比较);使用工具比较简单,价廉; 适用于比较复杂的结构的连接。
四、铆接的发展1.无头铆钉干涉配合铆接技术可以提高接头的疲劳寿命,满足现代飞机的疲劳性能和密封 性要求。
2.各种形式的自动钻孔设备和铆接设备为不断提高铆接的机械化和自动化程度,提高铆接 质量提供了条件。
第一节 普通铆接工艺过程一、钻孔和锪窝1.对铆钉孔的要求1.1 铆钉孔的质量要求孔径公差 1.2 孔的椭圆度 1.3孔的垂直度 1.4孔边毛刺 1.5 孔的粗糙度1.2 不同直径的铆钉孔的加工方法d<5mm 钻孔、扩孔; d>6mm 或夹层厚度>15mm 钻孔、扩孔、铰孔。
2.影响钻孔质量的主要因素教案1.1 工件材料 1.2 钻头转速、 1.3 进刀量 1.4刀具的锋利程度2.确定铆钉孔的位置2.1 铆钉孔位置包含内容边距、排距(行距)、 孔距2.2 铆钉孔钻孔的方法1)按划线钻孔( 钻孔的方向)2)按导孔钻孔——导孔通常是制在孔的边距较小、材料较硬或较厚的零件上,在零件制造 阶段就制出,装配定位后,钉孔按导孔钻出 。
例如蒙皮和长桁的铆钉孔,是按长桁的导孔 钻出。
3)按钻模钻孔3.锪窝3.1 埋头窝的深度要求埋头窝的深度为负差,铆后铆钉头只允许铆钉头高出蒙皮表面。
3.2 埋头窝的制作方法一般使用锪窝方法,锪窝有专用的锪窝钻。
为保证埋头窝深度公差,应采用能限制窝深的锪 窝钻套。
当蒙皮厚度<0.8mm 时采用冲窝方法。
二、制孔工具设备1.风钻以压缩空气为动力,将高压空气经导管进入机身汽缸,推动活塞做高速往复运动,打击并 回转钻杆。