近日,中国航天科技集团一院211厂2.25m直径整体旋压箱底通过打压试验,验证了工艺方案的可靠性,具备工程化应用条件,成为国内首家具备大型铝合金贮箱箱底整体制造能力的单位。211厂首次采用旋压技术,并在后续机加工阶段采用化铣代替机加,同时优化工艺方案,最终成功实现了2.25m直径铝合金贮箱箱底的整体成形。 Recently, China Aerospace Science and Technology Group 211 Factory a total of 2.25m diameter spinning the bottom of the tank through the pressure test, the reliability of the process validation, with engineering conditions, become the first large aluminum tank with the overall manufacturing capacity of the bottom box unit. 211 plant for the first time using spinning technology, and in the follow-up machining stage using milling instead of machining, while optimizing the process plan, the ultimate success of the 2.25m diameter aluminum tank bottom forming the overall shape.