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(二)改进方案的详细评价经过初步选择的方案Ⅰ与原设计结构,从技术、经济和社会三个方面直接作比较,结果见表4。(三)装机试验与理论校核结果评价后肯定改进方案的可行性。为了从理论上及具体数据上更进一步说明问题,将改进方案按具体结构试制成样品,装机试验实测。1.装机强化试验数据在标准的D—150测功机上进行500小时强化试验(实际运行506小时)。试验分两个阶段进行。第一阶段以11.55PS/2200r·p·m的负载(标定负载为11PS/2200r·p·m),连续运行400小时,结束后保养2.5小时,接着又进行第二阶段的试验,以
(II) Detailed evaluation of the improved scheme The initially selected scheme I is compared with the original design structure directly from the three aspects of technology, economy and society. The results are shown in Table 4. (3) The feasibility of the improved plan after installation test and theoretical verification results evaluation. In order to explain the problem further in terms of theory and specific data, the improved scheme was made into samples according to the specific structure, and the installed test was measured. 1. Installation of enhanced test data 500 hours of intensive testing on a standard D-150 dynamometer (actual operation for 506 hours). The experiment was conducted in two phases. In the first stage, the load is 11.55PS/2200r·p·m (the calibration load is 11PS/2200r·p·m), and the continuous operation is 400 hours. After the maintenance, it is 2.5 hours, and then the second stage test is performed again.