5.1 内涵与研究范围311内涵现代机械产品从投入使用到寿命终了大体要

5.1 Connotation and research scope <br>311 Connotation <br>Modern mechanical products generally go through the following links from the use to the end of life (as shown in Figure 5.1); at the initial stage of commissioning, a reasonable inspection and maintenance cycle needs to be determined according to possible failure modes; At the time of design life, life prediction and failure evaluation must be carried out to determine the actual service life and later safety testing

5.1 Intension and scope of research<br>311 Meaning<br>Modern machinery products from the end of their life to the end of the general need to go through the following links (see Figure 5.1), in the initial stage of investment, according to the possible failure mode to determine a reasonable inspection and maintenance cycle, in the design of life, life prediction and failure evaluation, to determine the actual service life and later safety testing

5.1 connotation and research scope<br>311 connotation<br>Modern mechanical products generally go through the following steps from putting into use to the end of their service life (as shown in Figure 5.1); at the initial stage of putting into use, reasonable inspection and maintenance cycle shall be determined according to the possible failure mode; when reaching the design life, life prediction and failure evaluation must be carried out to determine the actual service life and later safety detection<br>