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含能材料  2012 

PBX炸药切削表面粗糙度评定及影响因素

DOI: 10.3969/j.issn.1006-9941.2012.06.025

Keywords: 特种加工工艺,高聚物粘接炸药(PBX),车削加工,表面粗糙度,三维测量与评定

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Abstract:

考虑到炸药件表面微观结构影响其使用性能,零件的测量精度和武器部件的使用可靠性,测量了压装高聚物粘接炸药(PBX)车削表面的三维表面微结构,评定和分析了其二维和三维表面粗糙度。结果表明:三维表面粗糙度适合评定具有随机分布的崩落、坑窝缺陷的PBX的切削表面。三维参数评定优于二维参数评定。在相同切削参数下,圆形刀比菱形刀车削的表面粗糙度小得多。切削进给量极大地影响表面粗糙度,而切削速度对表面粗糙度影响不明显。

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