According to the 1--9 file processing main bearing hole inspection records, combined with the crankshaft main journal processing inspection record corresponds, in accordance with the six point average formula to calculate the thickness of the main bearing. Delta = (main bearing hole of crankshaft main journal - Δ) /2 type: δ - axis tile thickness matching. The oil gap Delta - that, in the calculation of 0.275mm. Main bearing crankshaft main journal diameter, refers to the six point average value of measured data.
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