焊接过程质量控制模型的统计方法
Statistical Method to Model the Quality Inconsistencies of the Welding Process
摘要：
电阻点焊是汽车工业中一种重要的制造工艺，受到越来越多的关注.然而，由于制造工艺的复杂性，即使在相同的工艺设置下，相应的产品质量也显示出显著的不一致性。本文开发了一种统计方法来捕获焊接质量测量的不一致性（例如，熔核宽度）来有效地监控产品质量。所提出的方法通过减少可焊性和验证所需的物理测试来提供工程效率和成本节约效益。所开发的方法被应用到现实世界的焊接过程。
英文摘要：
Resistance Spot Welding (RSW) is an important manufacturing process that attracts increasing attention in automotive industry. However, due to the complexity of the manufacturing process, the corresponding product quality shows significant inconsistencies even under the same process setup. This paper develops a statistical method to capture the inconsistence of welding quality measurements (e.g., nugget width) based on process parameters to efficiently monitor product quality. The proposed method provides engineering efficiency and cost saving benefit through reduction of physical testing required for weldability and verification. The developed method is applied to the real-world welding process.
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