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精密軸承客戶應用面案例 (1)

1. 背景

軸承型號:7008C/7006C

主軸功能:搪磨主軸

軸承配置:DB/DB (<> / <>)

轉    速:6000 RPM

異常現象:廠內試運轉主軸溫度過高

2. 調查探討

改善前-主軸更換軸承直升6000RPM

7008C端溫昇達18℃,如圖1所示。

圖1 7008C端6000RPM(直升)之溫昇

 

 

改善後-主軸更換軸承階梯式升至6000RPM

7008C端溫昇下降至4℃內,如圖2所示。

圖2 7008C端6000RPM(階梯式)之溫昇

3. 結論

剛更換完軸承之主軸若未經過跑合甩油,容易造成軸承潤滑不足產生高溫之現象,可由階梯式升速甩油來解決並提升軸承使用之壽命。