我厂铸铁连广大职工,遵照伟大领袖毛主席关于“中国人民有志气,有能力,一定要在不远的将来,赶上和超过世界先进水平”的教导,发扬自力更生、艰苦奋斗的革命精神,经过反复试验、反复总结,使铸造16V 240型柴油机气缸头的成品合格率达到70%以上,为加速实现我国铁路牵引动力内燃化作出了自己的贡献。现将铸造工艺介绍如下,供参考。 Our factory cast iron with a large number of staff and workers and follow the guidance of Chairman Mao, the great leader, on “the Chinese people have the ambition and ability to catch up with and surpass the world’s advanced level in the near future” and carry forward the revolutionary spirit of self-reliance and hard work. After repeated tests, repeated summing up, so that casting 16V 240 diesel cylinder head finished product qualification rate of 70% or more, in order to accelerate the realization of China’s railway traction power combustion has made its own contribution. Casting process are introduced below, for reference.