升降貨梯http://m.zjfutures.cn/濾清器上蓋有明顯疲勞斷裂特征說明機油濾清器承受交變載荷，濾清器實際振動加速度已經遠遠超出了本配件設計的承受能力。升降貨梯濾清器上端蓋折彎時圓弧部位出現了冷作硬化現象，由于冷作硬化部位與周圍硬度差別過大，造成應力集中。升降貨梯濾清器安裝位置不合理造成濾芯振動過大，附加應力過大。
Cargo lifter filter covered with clear description of the fatigue fracture characteristics alternating loads oil filters, filter the actual vibration acceleration has far exceeded the capacity of the accessories design. When the cover appeared on the site of bending arc cargo lifter cleaner cold hardening, work hardening due to the surrounding parts of the hardness difference is too large, resulting in stress concentration. Cargo lifter filter cartridge installation position excessive vibration caused by the irrational, additional stress is too large.
所以應該改進升降貨梯http://m.zjfutures.cn/濾清器上端蓋圓弧部位結構，調整升降貨梯濾清器安裝位置。變更液壓平臺濾清器固定支架的厚度增加到8mm，增加厚度后測試其振動加速度小于10g，滿足其安裝要求采取以上改進措施后，上蓋再未出現開裂。
So part of the structure should be improved arc cap on Huoti filter, adjust cargo lifter cleaner installation location. After the change of hydraulic platform to filter mounting bracket thickness 8mm, increasing the thickness of the test the vibration acceleration is less than 10g, the installation requirements to meet their improvements after taking over, cover again uncracked appear.
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