The layout design,forming characteristics,structure and manufacturing technology of the cutting,piercing,bending and rib-pressing progressive die for forming the color kinescope fastening rings are introduced.
介绍了彩色显像管紧固带剪切、冲孔、弯曲、压筋级进模的排样设计、成形特点、模具结构及制造工艺。
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