4. 4Confidential Property of Schneider Electric
Reactive Maintenance 被動性維護
…appropriate in circumstances where equipment shutdowns do not affect production… if a machine is
expected to be used only for a short duration, the reactive approach can be acceptable.
• 直到東西損壞之前不會有
任何資源的支出;可減低
維護及相關人員費用
• 減少產線影響和中斷
• 未知的停止營運時間將增
加費用
• 造成相關設備故障所轉而
產生之額外費用
• 備品需求增加
Run to Fail
5. 6Confidential Property of Schneider Electric
Preventive Maintenance 預防性維護
…is most usefully applied to equipment that does not run continuously… and in circumstances where
personnel have the knowledge, skills, and time to perform the PM work.
• 需要大量人力資源
• 可能是非必要之維護
• 潛在的人為疏失機率提高
Time Based
• 彈性的維護時程
• 增加零件的生命週期
• 降低故障進而節省維修費用
及資金支出 (平均每年預防性
比被動性維護節省12%-18%)
6. 9Confidential Property of Schneider Electric
Predictive Maintenance 預測性維護
…The fundamental difference between PdM and PM is that PdM is used to define necessary
maintenance tasks based on quantifiable material or equipment conditions.
• 只針對所需要的地方進行維護
• 根據需求購買必要的備品
• 更有效率的規劃下游設備的維護
• 避免突發性的停機或維護
• 較多的初始投資(診斷設備
&人員訓練)
• 短期效益較難取得管理階
層的認同
Condition Based