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熔模精密铸造高强度壳型工艺于70年代初已广泛地用于生产,壳型高温强度值的测定,成为铸造工作者的关心的课题。我校铸造教研室与西北光学仪器厂工艺研究所开始共同研制KGQ—1型壳型高温抗弯强度测试仪,1982年底完成两台样机,1983年6月开始在我校铸造试验室投入使用,1984年2月西北光学仪器厂工艺研究所相应地也开始使用。1984年8月经过技术鉴定,可以少量生产。
Investment Casting High-strength shell-type process in the early 70s has been widely used in the production, the shell-type high temperature strength measurement, casting workers have become the subject of concern. Our casting department and Northwest Optical Instrument Factory Technology Research Institute began jointly developed KGQ-1 type shell high temperature flexural strength tester, completed by the end of 1982 two prototypes, started in June 1983 in our school casting laboratory put into use, 1984 In February of Northwest Optical Instrument Factory Technology Institute accordingly also began to use. August 1984 after technical appraisal, you can produce in small quantities.