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Perfect Engine Sealing starts with proper Head Bolt use

机译:完美的发动机密封始于正确使用缸盖螺栓

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摘要

How important are the various fasteners in an engine? Consider this: the head bolts have to withstand tremendous loads to keep the cylinder head sealed tightly against the head gasket and block. In an engine with four inch cylinder bores and peak combustion pressures of around 1,100 pounds per square inch, each cylinder exerts about 13,827 lbs. of pressure against the cylinder head at full throttle. In fact, head bolts may have to handle loads of more than five tons per bolt at wide-open throttle!
机译:发动机中的各种紧固件有多重要?考虑一下:缸盖螺栓必须承受巨大的载荷,以使气缸盖紧靠缸盖垫片和缸体密封。在具有四个英寸气缸孔且峰值燃烧压力约为每平方英寸1100磅的发动机中,每个气缸的压力约为13827磅。满油门时对气缸盖的最大压力。实际上,在全开节气门时,顶头螺栓可能必须承受超过5吨的负载!

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