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Equipment AGI-101
FM agi_gearbox_bearing_fail
ISO 14224 mode M M
Source engineering_estimate
齿轮箱轴承失效
AGI-101 · Agitator
Related equipment → AGI-101
0.82Source conf.
—Evidence conf.
MISO 14224 mode
1Failure Mechanism
Function:支撑齿轮轴系
Failure cause:齿轮箱轴承疲劳/润滑不良致卡滞或碎裂
Damage mechanism：轴承疲劳剥落/润滑不良致齿轮箱失效
2Source Basis (where this FM comes from)
engineering_estimate
Source confidence 0.82: this FM is derived from the ontology KB and cross-validated by engineering_estimate.
3Evidence Chain (supporting basis)
This FM has no offline curated evidence text; it is derived from the ontology KB and cross-validated by the listed standard clauses and related accident investigations.
Governing standards (evidence)：std:API 677 — Gear Units for Petroleum, Chemical and Gas Industry Services · 机理级工程估计，非实测；引用 governing standard 作为分类出处std:ISO 21940 — Mechanical vibration — Rotor balancing · 机理级工程估计，非实测；引用 governing standard 作为分类出处
4Related Real Accidents (traceable to accident cards)
This FM is recorded in 1 real accident investigation(s); tap the report no. to open the corresponding accident lesson card.
5Applicable Standards & Clauses
API 677ISO 21940
No separate clause reference.
6Derived Analysis (seeded from this FM)
8/3/5FMEA Sev/Occ/Det
0.05RBI λ
0.8Monitor pdet
6 月Insp. int.
Current tasks:齿轮箱油样分析 | 振动监测
RCFA incident:齿轮箱轴承失效：齿轮箱轴承疲劳/润滑不良致卡滞或碎裂，后果类型 Safety/Operational，严重度 8
7RCM Maintenance Decision (strategy landing)
CBMOn-Condition Maintenance
Recommended task无损检测(UT/MT/PT) 监测裂纹萌生, 关键转动件定时拆检; 振动频谱分析 + 动平衡 + 激光对中, 状态监测趋势管理
Suggested intervalHigh risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Decision basis机理类别=fatigue; vibration
Governing standardsAPI 579API 612API 670API 684ASME VIIIISO 10816
⚠ This decision is engineering-inferred by RCM logic from the damage mechanism / root cause / failure cause — it is not derived from measured site history. Confirm with the equipment owner and process before execution.
⚠ 本卡技术正文（功能 / 致因 / 损伤机理 / RCFA 叙事）保留中文原文——依可信 AI 红线，自由技术文本不自动机翻、不编造英文译文。UI、设备类型、FM 名、ISO 码、标准号均为英文。