Scholarlink

<p>Bearing is an important machinery part in industry. When bearings fail to meet their expected life, the consequences are increased down time, loss of revenue and missed delivery. This article describes the failure of a gear box bearing in rolling contact fatigue. The investigation consists of visual observation, chemical analysis, characterization of microstructures using optical microscopes and hardness test. The present study also considers bearing life as well as operational condition of bearings. Surface-initiated rolling contact fatigue, leading to a surface failure known as pitting, is a life-limiting failure mode in many modern machine elements, particularly rolling element bearings. Metallography analysis of crack propagation and crack morphology was also described. Indication of fatigue spalling in ferrography test was also discussed. Analysis suggested the probable reasons of such kind of failure in operation.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Rolling Contact Fatigue Failure Analysis of Ball Bearing in Gear Box

  • 期刊论文

  • 发表日期：

    2025年2月4日

查看全文
  • Piyas Palit,
  • Padma Sri,
  • Prabhash Gokarn,
  • Anup Kumar,
  • Santanu Das

摘要

Bearing is an important machinery part in industry. When bearings fail to meet their expected life, the consequences are increased down time, loss of revenue and missed delivery. This article describes the failure of a gear box bearing in rolling contact fatigue. The investigation consists of visual observation, chemical analysis, characterization of microstructures using optical microscopes and hardness test. The present study also considers bearing life as well as operational condition of bearings. Surface-initiated rolling contact fatigue, leading to a surface failure known as pitting, is a life-limiting failure mode in many modern machine elements, particularly rolling element bearings. Metallography analysis of crack propagation and crack morphology was also described. Indication of fatigue spalling in ferrography test was also discussed. Analysis suggested the probable reasons of such kind of failure in operation.