通过对药柱自动加工过程进行梳理分析,以及对加工过程中所需的药柱夹持力、尾座顶紧力、车床夹持力、内孔加工力矩进行理论分析和试验验证,本文设计了相应的自动化加工装置,对药柱进行自动加工,同时使得药柱加工实现人机隔离,提升了药...通过对药柱自动加工过程进行梳理分析,以及对加工过程中所需的药柱夹持力、尾座顶紧力、车床夹持力、内孔加工力矩进行理论分析和试验验证,本文设计了相应的自动化加工装置,对药柱进行自动加工,同时使得药柱加工实现人机隔离,提升了药柱加工的本质安全度,并提高了药柱加工的一致性及班产量。By combing and analyzing the automatic processing process of grain, as well as theoretical analysis and experimental verification of grain holding force, tailstock jacking force, larhe clamping force and inner hole machining moment required in the processing process, this paper designs the corresponding automatic processing device to process the grain automatically, which also makes the grain processing realize the man-machine isolation. The essential safety degree of grain processing is improved, and the consistency of grain processing and shift output are improved.展开更多
粉末近净成形(Powder metallurgy near net shaping,PM-NNS)技术能够制备出具有优异综合力学性能的粉末合金复杂部件。介绍了粉末热等静压(Hot isostatic pressing,HIP)近净成形技术原理及优势,综述了近年来国内外粉末近净成形在航天发...粉末近净成形(Powder metallurgy near net shaping,PM-NNS)技术能够制备出具有优异综合力学性能的粉末合金复杂部件。介绍了粉末热等静压(Hot isostatic pressing,HIP)近净成形技术原理及优势,综述了近年来国内外粉末近净成形在航天发动机领域的研究现状,从工艺路线和构件研制两方面展开,简述了构件制备过程的影响因素及缺陷控制,结合中国科学院金属研究所粉末近净成形技术在航天发动机领域的研究及应用情况,总结了粉末近净成形技术当前存在的主要问题及发展方向,以期进一步拓宽该技术的应用范围。展开更多
文摘通过对药柱自动加工过程进行梳理分析,以及对加工过程中所需的药柱夹持力、尾座顶紧力、车床夹持力、内孔加工力矩进行理论分析和试验验证,本文设计了相应的自动化加工装置,对药柱进行自动加工,同时使得药柱加工实现人机隔离,提升了药柱加工的本质安全度,并提高了药柱加工的一致性及班产量。By combing and analyzing the automatic processing process of grain, as well as theoretical analysis and experimental verification of grain holding force, tailstock jacking force, larhe clamping force and inner hole machining moment required in the processing process, this paper designs the corresponding automatic processing device to process the grain automatically, which also makes the grain processing realize the man-machine isolation. The essential safety degree of grain processing is improved, and the consistency of grain processing and shift output are improved.
文摘粉末近净成形(Powder metallurgy near net shaping,PM-NNS)技术能够制备出具有优异综合力学性能的粉末合金复杂部件。介绍了粉末热等静压(Hot isostatic pressing,HIP)近净成形技术原理及优势,综述了近年来国内外粉末近净成形在航天发动机领域的研究现状,从工艺路线和构件研制两方面展开,简述了构件制备过程的影响因素及缺陷控制,结合中国科学院金属研究所粉末近净成形技术在航天发动机领域的研究及应用情况,总结了粉末近净成形技术当前存在的主要问题及发展方向,以期进一步拓宽该技术的应用范围。
