改进刀具质量,延长其使用寿命,提高其切削效率,是保证我厂汽车产量迅速增长的必要措施之一。这是执行伟大领袖毛主席“备战、备荒、为人民”的伟大教导。我厂自制刀具因耐磨性能不够,影响了使用寿命。伟大领袖毛主席教导我们:“唯物辩证法认为外因是变化的条件,内因是变化的根据,外因通过内因而起作用”,“不同质的矛盾,只有用不同质 Improve the quality of the tool to extend its service life and improve its cutting efficiency is one of the necessary measures to ensure the rapid growth of automobile production in our plant. This is a great guide to the implementation of Chairman Mao, the great leader, in “preparing for war, preparing for war and for the people.” I plant self-made tool wear resistance is not enough, affecting the service life. The great leader Chairman Mao teaches us: “The materialist dialectics believes that external factors are the conditions for change. Internal factors are the basis for change and external factors work through internal factors.” "Contradictions of different qualities,