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对十字槽型锁芯的超塑性挤压技术进行了研究。结果表明：利用超塑成形技术生产十字型槽锁芯型材是可行的，成形的制作符合设计要求。且生产率高，材料利用率高，工艺成本低，是一种行之有效的加工工艺。
The cross-section cylinder core superplastic extrusion technology was studied. The results show that it is feasible to use the superplastic forming technology to produce the cruciform grooved core profile, and the forming is in accordance with the design requirements. And high productivity, high material utilization, low cost, is an effective processing technology.