There are a number of definitions for the word ‘design’. A broad definition is based on conceiving or planning something. The object of the design could be anything, a building, a park, a homestead, an electric vehicle, you name it.
设计还可以包括制造该物品的过程，因此必须考虑生产设计所需的所有技术。用于设计的材料还将推动制作该项目的要求。木材与金属截然不同，两种材料都具有令人难以置信的多样性和专业化，以获得给定设计的最佳性能。
Design involves the underlying scheme that governs function. This aspect of design deals with intent and purpose of the candidate design. Functionality and engineering content required to achieve the purpose become another dimension to consider. In the technology world we live in, there is frequently a control requirement as well.
设计也可以是元素的排列以及它们如何一起执行。将两个或多个零件一起带来的过程是集成。因此，当我们谈论设计集成时，我们专注于这方面，不同的部件如何聚集在一起服务设计。
In a car, the body and the chassis are two separate systems, but they have to be designed in an integrated way because the body attaches to the chassis and the chassis supports the body. To the extent that the chassis has to support the engine, drive train and passengers as well, the chassis integration is a much more complex design activity.
In the age of 3D part manufacturing the integration process takes on a whole new meaning. 3D part fabrication gives the designer the flexibility to incorporate features that cannot be produced by machining. Hidden passages within a part, complex geometries, reinforcing features are all possible within the same process. The fluid nature of the manufacturing not only offers the design freedom, it conserves material, since there is no waste.
Our understanding of design has to be changed from the training we have based on a manufacturing world where casting and stamping processes come at very high tooling costs. Computer numerical control machining is not the only option in part fabrication.
在最近的一项努力中，GE Aviation在喷气式燃料混合和雾化喷嘴开发了一种新方法。旧设计需要20个由Chrome Steel中的单个3D印刷部分更换的单独部件。
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