However it is still not easy, the bad experiences of the near past and certain adventurers who ignore or disdain these tools make it difficult to restore full confidence to the users. One must admit that before the advent of analytical methods the anxiety of the customer was absolutely legitimate. Paul's book contributes to the establishment of fruitful dialog between the client and his supplier. The client can begin his concept on a solid, communal basis, thus allowing a notable more savings, fewer second thoughts because of the recognized scientific basis on one hand and the fine tuning added by Paul's substantial experience on the other hand. This makes plastic design not as easy to deal with as metal design.
Plastic expertise is needed, as well as specific knowledge about operating conditions.
The advice I can provide you, is to begin your reading with chapter 2. You will find an exhaustive panorama of the safety factors you will need to deal with while designing in plastic. Afterwards, in chapter 1, spend the time you need to understand why plastic materials may have such a surprising behavior compared to metal. Then, you are free to choose the assembly technique that fits your product. Nevertheless, I have one regret.