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大连起重机器厂,经一年的试验研究,在我国首次将超声波检测铸钢件晶粒度的测试技术成功地应用于生产。六月一日至五日,经有关研究单位、大专院校和工厂等二十三个单位之三十名代表的考核鉴定,通过充分测试,验证认为:此种方法具有操作简便,设备简单,准确可靠,产品无损等优点。超声波检测铸钢件晶粒度的方法,从试验室到生产上实际应用是一个突破,为生产解决了一个关键课题。
Dalian Crane Factory, after a year of experimental research, for the first time in China, ultrasonic testing of steel grain size of the test technology successfully applied to the production. From January 1 to June 5, through the examination and appraisal conducted by 30 representatives from 23 units including research institutes, tertiary institutions and factories, it was verified through full tests that this method has the advantages of simple operation, simple equipment, Accurate and reliable, non-destructive product advantages. Ultrasonic testing of steel casting grain size method, from the laboratory to the production of practical application is a breakthrough for the production to solve a key issue.