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| Research on Composite Ply Typesetting Based on Packing |
| LIU Lan, CAO Zhipeng, HU Yeqin, PANG Jing |
| (Composites Processing Plant, AVIC Chengdu Aircraft Industrial (Group) Co., Ltd., Chengdu 610092, China) |
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Abstract Based on the practical production experience, this paper explores the methods to improve the utilization rate of materials. Based on the analysis of the algorithm of the rectangle and the special shape, the rule of the best placement strategy is established. After the verification of the modification process of the skin allowance, the reference basis for the allowance setting is provided, and the general part allowance setting principle is creatively proposed. Waste is reduced due to imprecise margin setting. Through the implementation of the program, the waste of materials is effectively reduced and the utilization rate of raw materials is improved.
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2020, 
