矿用自卸车轮边减速器市场故障8D分析与改进

8D Analysis and Improvement of Mining Dump Truck Wheel Rim Reducer Market Failure

摘要

矿用自卸车轮边减速器在复杂工况下长期承受高载荷与冲击载荷，其市场故障频发直接影响整车可靠性与品牌信誉。为有效识别并解决故障根源，本文引入8D质量管理工具，对轮边减速器市场故障进行了系统化分析。通过D1至D8的全过程管理，明确了问题定义、根因追溯及改进措施落实路径。研究发现，故障主要集中于行星齿轮磨损、轴承早期失效与润滑系统密封缺陷三类，约占总故障比例的78%。通过采用材料强化、密封结构优化及装配工艺标准化等措施，产品故障率下降了32%，客户投诉减少了27%。结果表明，8D方法能够显著提升矿用车辆关键零部件的市场质量管理水平，为工程机械行业建立高效闭环质量管理体系提供了参考。

Abstract

The wheel-side reducer of mining dump trucks operates under complex working conditions, enduring prolonged high loads and impact forces. Frequent market failures of this component directly affect overall vehicle reliability and brand reputation. To effectively identify and resolve the root causes of these failures, this paper introduces the 8D quality management tool to conduct a systematic analysis of market defects in wheel-side reducers. Through comprehensive management from D1 to D8, the study clarifies the processes of problem definition, root cause tracing, and implementation of corrective actions. Findings indicate that failures are primarily concentrated in three categories—planetary gear wear, early bearing failure, and sealing defects in the lubrication system—accounting for approximately 78% of total incidents. By applying measures such as material strengthening, seal structure optimization, and standardized assembly processes, the product failure rate decreased by 32%, and customer complaints dropped by 27%. The results demonstrate that the 8D method significantly enhances the market quality management level of key components in mining vehicles and provides a valuable reference for establishing an efficient closed-loop quality management system in the construction machinery industry.

关键词

矿用自卸车 / 轮边减速器 / 8D质量管理 / 市场故障 / 改进措施

Key words

Mining dump truck / Wheel-side reducer / 8D quality management / Market failure / Corrective measures

参考文献

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