valve stem clearance

基本解释

Excessive valve-stem clearance speeds up valve deposits.
氣門杆間隙過大會加速氣門的積炭。
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Valve sticking. Gum or carbon deposits on the valve stem will cause valve sticking. Excessive valve-stem clearance speeds up valve deposits.
氣門杆上的膠質或積炭是造成沾著的原因。氣門杆間隙過大會加速氣門的積炭。
It is believed the valve failure is because the valve stem to guide clearance is excessive, and that causes the high seating speed that impacts the valve, so the fatigue source occurs int…
氣門杆耑麪在運行中不斷與搖臂撞擊磨損使該現象進一步加劇，導致氣門頸部撞擊疲勞斷裂失傚。