Mechanical design often relies on one's own experience. Although the accumulation of experience can be learned from books, it is difficult to leave a deep impression in one's mind without personal experience. One does not have a certain foundation for the experience of others, and it is really not easy to understand and absorb it.
Design runs through the entire process of design, manufacturing, use, and maintenance. Negligences in design are always reflected in these aspects, and success or failure is easily judged. During the design process, it is greatly influenced by manufacturing, which means that good design cannot be separated from manufacturing. The more you understand manufacturing, the more it helps to improve the design level. I haven't seen many drawings designed and put into production that can be immediately processed and assembled according to the drawings. It is common to find a lot of problems during the process of drawing review and process, including the so-called "senior" senior engineers, the drawings produced by the chief engineer, and the results of repeated discussions and discussions in multiple meetings. The reasons for this are multifaceted. The standardization of drawings and the level of viewers are on one hand, However, the lack of in-depth understanding of manufacturing processes by the design team is the main reason. How to determine one's level of understanding of manufacturing? The simplest way is to grab a blueprint of something you have designed, can you tell me the entire manufacturing process. Casting, forging, turning, pliers, milling, planing, grinding, but this is definitely not feasible. Who doesn't know who has worked in a mechanical factory for a few years? It is necessary to subdivide and have a comprehensive understanding of each process. For example, how to divide the mold during casting, how to place the gate and riser, what kind of Casting defect may occur, whether the structure of parts will cause accidents during heat treatment, how to optimize the structure of parts, and how to make the cutting process virtual in my mind. A total of several knives are used, the speed of rotation, the amount of feed, and even where the iron filings fly, the order of using each knife, lathe workers, milling workers, The entire operation process of the grinder, and so on, is considered to have a good foundation. It's not that designers must be proficient in lathes, milling machines, and welding. However, it's important to understand the characteristics of these tasks and take them into full consideration when designing. As a mechanical designer, this is better than using a lathe and welding machine to have a foothold. In this way, during the design process, some unreasonable structures will be avoided, and the quality of the design will naturally improve a lot. However, it is not enough. A technician with ten to eight years of experience can propose more mature detailed solutions than you (although they cannot coordinate the overall design), but how many sleepless nights have they designed such a result? Isn't it just a sweeping move? The only solution is to read more books. What others summarize is usually combined with production and is the result of hard work. Learn with problems, think more and you can digest them. I will never say such a foolish answer as' just ensure concentricity 'again. The key is that you have pointed out the method of ensuring concentricity, and even the mistakes of your predecessors. At this time, no one calls you Xiaoqian or Xiaozhao anymore. Even the boss calls you Qiangong or Zhaogong, which is quite respected. Touch your chin, your beard has grown, your diaper has been lost, your child has called her mother, and a sense of achievement has also arrived. But design is always for use, and good design must have a little bit of humanity. Design a set of process equipment, trial production, high efficiency, good quality, and the boss will do it