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59. xuan yong 5crnimnsimowv(ds) gang zhi zao tui gan tong xia liao mo
Pages: 31
Year: Issue:  2
Journal: Heat Treatment Technology and Equipment

Keyword:  剪切下料DSrNiMnSiMoWV崩刃动刀片油淬网状碳化物开裂现象使用寿命钢模;
Abstract: <正> 推杆套筒是需求量较大的柴油机部件,在160t冲床上由定刀片和动刀片组成的剪切下料模,将40mm的50Mn2钢剪切成40×35mm的坯料。用Cr12MoV钢制的剪切下料模,在1020℃油淬,200℃回火后,在硬度为58~60HRC下使用时,经常崩刃和发生开裂现
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