The reason of the formation of gas porosities and cracks on the head face of valve tappet has been studied.
本文分析了气门挺杆端面气孔、裂纹形成原因。
Our company mainly product oil pump, valve guide, valve Tappet, push rod and so on.
我们公司主要生产机油泵、气门导管、气门挺杆、推杆等。
Valve Breakage. Any condition that causes the valve to overheat or to be subjected to heavy pounding (as from excessive tappet clearance or from detonation ) may cause valves to Break.
气门过热或遭受重载（气门杆间隙过大或爆裂）均可造成气门破裂。
Valve Breakage. Any condition that causes the valve to overheat or to be subjected to heavy pounding (as from excessive tappet clearance or from detonation ) may cause valves to Break.
气门过热或遭受重载（气门杆间隙过大或爆裂）均可造成气门破裂。
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