飞机框架和桁架部件的弯管工艺

P. Bałon, E. Rejman, B. Kiełbasa, R. Smusz, Grzegorz Szeliga
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摘要

出于轻质结构、安全以及节省空间和成本等方面的考虑,各工业部门对弯管型材的需求不断增加。出于经济和生态方面的考虑,轻质结构正变得越来越重要。这一点在汽车和航空航天业以及土木工程中都可以看到,因为这些行业通常需要弯曲结构。为了减轻飞机重量,航空业经常使用带有弯曲构件的空间桁架结构。如何在不影响结构刚度的前提下,满足设计、安全、结构、尺寸、成本等方面的严格要求,是一项挑战。具有复杂截面的型材和所谓的定制管材越来越多地用于汽车和飞机结构(通用航空)的生产中。管材和型材弯曲技术不断得到改进,以满足客户日益增长的期望并确保更高的加工效率。目前,通过将现代折弯机的功能与工业机器人的能力相结合,正在努力提高该领域的自动化水平。数控弯管机目前在工业弯管工艺中占主导地位。技术先进的折弯机可以生产出越来越复杂的形状和轮廓。
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The Process of Bending Pipes for Components of Aircraft Frames And Trusses
Demand for bent pipe profiles in various industrial sectors is increasing due to considerations necessitating light - weight construction, safety, as well as space and cost savings. Lightweight construction is becoming increasingly important for economic and ecological reasons. This can be seen in the automotive and aerospace industries, as well as in civil engineering, where curved structures are often required. In order to reduce the weight of the aircraft, the aviation industry often uses spatial truss structures with bent elements. The challenge is to meet all of the stringent requirements regarding design, safety, structure, size, cost, etc., without compromising a structure’s stiffness. Profiles with complicated cross-sections and so-called tailored tubes are increasingly used in the production of automotive and aircraft structures (General Aviation). Pipe and profile bending technologies are constantly being improved upon to meet the growing expectations of customers and ensure greater process efficiency. Currently, efforts are being made to increase the level of automation in this area by combining the functionality of modern bending machines with the capabilities of industrial robots. CNC bending machines currently dominate the industrial pipe bending process. A technologically advanced bending machine allows for the production of increasingly complex shapes and profiles.
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