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Equipment SP-101
FM timing_gear_wear
ISO 14224 mode
Source synthetic + standards-based engineering estimate (ISO 14224 / API 676 / API 674 framework)
同步齿轮齿面磨损
SP-101 · 螺杆泵/齿轮泵/凸轮泵 (Rotary Positive Displacement Pump)
Related equipment → SP-101
0.80Source conf.
—Evidence conf.
ISO 14224 mode
1Failure Mechanism
Function:在螺杆/转子间保持正确相位与同步(无金属接触)
Failure cause:润滑不良或磨粒进入导致齿面接触疲劳与磨损
Damage mechanism：齿面接触疲劳(ISO 6336 接触应力超过疲劳极限), 萌生磨损与胶合
2Source Basis (where this FM comes from)
synthetic + standards-based engineering estimate (ISO 14224 / API 676 / API 674 framework)
Source confidence 0.80: this FM is derived from the ontology KB and cross-validated by synthetic + standards-based engineering estimate (ISO 14224 / API 676 / API 674 framework).
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 676 — Rotary Positive Displacement Pumps · 机理级工程估计, 非实测; 引用 governing standard 作为分类出处std:ISO 6336 — Calculation of load capacity of spur and helical gears · 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 3 real accident investigation(s); tap the report no. to open the corresponding accident lesson card.
5Applicable Standards & Clauses
API 676ISO 14224:2016API 580GB/T 7784GB/T 10886SH/T 3140ISO 13372GB/T 6075SAE JA1011_202411GB/T 28267
No separate clause reference.
6Derived Analysis (seeded from this FM)
6/3/4FMEA Sev/Occ/Det
0.18RBI λ
0.8Monitor pdet
12 月Insp. int.
Current tasks:振动齿轮啮合频率分析 | 油液颗粒度与铁谱分析 | 定期检查齿面
RCFA incident:同步齿轮齿面磨损引起噪声/振动上升与同步失效, 后果类型 Operational, 严重度 6
7RCM Maintenance Decision (strategy landing)
CBMOn-Condition Maintenance
Recommended task壁厚/型线超声测厚 + 耐磨层状态检查, 视情修复或涂层; 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; 绝缘/电气试验 + 继电保护定值校核 + 操动机构特性测试
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=electrical; erosion; fatigue; vibration
Governing standardsAPI 510API 570API 579API 581API 612API 670API 684ASME VIIIGB/T 14285IEC 60034IEEE C57ISO 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。