盖玉洪,闫野,李成楠,李保民,杜伟,李木森

• 1:山东大学材料液固结构演变与加工教育部重点实验室
• 2:山东博特精工股份有限公司

摘要(Abstract)：

对自主研制的Φ80 mm规格中国大陆造CrMo钢滚珠丝杠副进行了疲劳试验与失效分析。为综合评价其质量,选择了中国大陆GD8020×1100型、日本NSK8020×1100型、中国台湾FDI8020×1100型3种同规格滚珠丝杠副进行了疲劳试验对比,并通过成分检测、形貌观察、组织分析和表面感应加热淬硬层的硬度曲线测量等对疲劳试验的失效样品进行了分析。结果表明,中国大陆CrMo钢滚珠丝杠副在同等疲劳试验条件下的运行时间最长,其失效是因GCr15钢球破损所致。日本、中国台湾滚珠丝杠副的运行时间依次降低,其失效的主要原因分别是因螺母滚道出现明显压痕和螺母滚道发生严重剥落所致。因此,中国大陆产Φ80 mm规格CrMo钢滚珠丝杠副的综合质量达到或超过了日本和中国台湾的同类产品技术水平。

关键词(KeyWords)： CrMo钢;滚珠丝杠副;疲劳试验;失效分析;运行时间

Abstract:

Keywords:

基金项目(Foundation): 国家工信部重大专项子课题(2011ZX04014-031)

作者(Author): 盖玉洪,闫野,李成楠,李保民,杜伟,李木森

DOI: 10.13289/j.issn.1009-6264.2015.10.024

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