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以92％ (质量分数) 高固相含量的HMX (奥克托今) 基挤注炸药为研究对象, 研究了挤注压力、真空度和水浴温度等对挤注炸药装药质量的影响, 采用3因素3水平正交试验进行了影响显著性评价.结果表明, 影响的显著性次序依次为:挤注压力＞真空度＞水浴温度.得到的最优工艺参数为:挤注压力15MPa、真空度-0.090MPa、水浴温度40℃, 采用最优工艺参数制备的ECX-1炸药实际装药密度达到1.711g/cm3 (理论密度的97％以上) .“,”The influence of extrusion pressure, vacuum degree and water bath temperature on the charge quality performance of HMX-based ECX which had solid phase at 92％ was studied, the optimum parameters of three factors and three levels were analyzed by orthogonal experimental method.The results showed that the order of significant influence was:the extrusion pressure＞the vacuum degree＞the water bath temperature.O ptimum process condition for charge quality were that the extrusion pressure 15 MPa, the vacuum degree-0.09 MPa and the water bath temperature40℃.The actual charge density of ECX-1 by optimizing the process condition was 1.711 g/cm3 (more than 97％ of the theoretical density) .