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为加强熔模铸造型壳高温强度的测试,我们从1979年开始研究与设计型壳高温抗弯强度测试仪,并于1984年完成试制工作,同年7月陕西省兵器局主持的技术鉴定会上通过了鉴定,并决定投入生产。
In order to strengthen the test of the high temperature strength of investment cast shell, we started to research and design the shell high temperature flexural strength tester from 1979 and completed the trial production in 1984. At the technical appraisal meeting held by Shaanxi Provincial Ordnance Agency in July of the same year Passed the appraisal and decided to put into production.