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不锈钢火花塞护套冷挤压工艺改进

Light Industry Machinery(2015)

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Abstract
针对火花塞护套冷挤压过程中由于压余料过小出现的缺肉以及充型不满问题,采用DEFORM-3D软件对不锈钢火花塞护套冷挤压工艺进行数值模拟分析,通过修改下冲头圆角来使金属在保证足够压余料下充满型腔并降低模具载荷,从而确保生产出更合理的产品.模拟结果表明,将下冲头的圆角改为R为2.0 mm时既能确保了足够压余料5.62mm情况下最终工序充满型腔,也降低了模具的应力,减少了原材料的浪费,降低了生产成本.
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