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就TR锻与自由锻两种工艺对20/27中速船用柴油机曲轴安全系数的影响进行探讨.试验证明,采用TR锻工艺的曲轴,其安全系数高于自由银.
The effects of TR and free forging on the crankshaft safety factor of 20/27 medium speed diesel engine are discussed.The tests show that the crankshaft with TR forging technology has higher safety factor than free silver.