用于球墨铸铁、高强度铸铁件加工面和非加工面的补焊。
For repair welding of grey cast iron which requires less strength.
提出了牺牲层工艺保护非加工面，并建立实验系统，对堆焊修复后的TC4叶片进行电解修型。
Sacrificial layer process was proposed to protect the non-machined surface in this work and an experimental system was developed to shape overlay welded TC4 blades.
本文介绍了利用线切削方法在通用机床上加工非可展直纹抛物面导风轮叶型的原理与装置。
Paper describes the principle and device for machining inducer blades with non-developable parabolic surface profiles with general purpose machines by using the linear-cutting method.
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