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多年来,我厂精密阀孔的加工,一直采用国外引进的工艺。由于引进工艺包括扩孔、粗镗、半精镗、粗铰、精铰和珩磨等六道工序,因此,流程长、效率低、废品多,严重地阻碍着我厂生产的发展。在批林批孔运动中,我厂广大工人、干部和工程技术人员在厂党委的领导下,以党的基本路线为纲,大破崇洋媚外思想,在认真开展科学实验的基础上,对引进工艺进行了大胆革新,取得了利用刚性镗铰刀加工精密阀孔新工艺的可喜成果。
Over the years, I plant precision valve hole processing, has been the introduction of foreign technology. Due to the introduction of processes including reaming, rough boring, semi-fine boring, roughing, precision reaming and honing six processes, therefore, the process of long, low efficiency, waste and more seriously hindered the development of our plant production. In the pro-Lin movement, the majority of workers, cadres, engineers and technicians in our factory under the leadership of the factory party committees and the basic line of the party as a key link have broken through the thought of worshiping foreigners and beauticians and, on the basis of earnestly launching scientific experiments, A bold innovation, made the use of rigid boring reamers precision valve hole processing of new gratifying results.