半自动扩孔机厦门市滚珠轴承厂广大革命职工在毛主席关于“自力更生”、“艰苦奋斗”的方针指引下,根据本厂的具体情况,革新成功一台半自动扩孔机。采用电磁铁—棘轮机构加上电器元件完成辗压进给和自动控制尺寸,而不用气压或液压作为辗压进给动力。这台机器除手工放置毛坯外,其余动作均自动完成。 Semi-automatic reaming machine Ball bearings factory in Xiamen City, the vast majority of revolutionary workers in Chairman Mao on “self-reliance ”, “hard work ” under the guidance of the guidelines, according to the specific circumstances of our factory, the successful reform of a semi-automatic reamer. The use of electromagnets - ratchet mechanism plus electrical components to complete the rolling feed and automatic control of size, without the pressure or hydraulic pressure as a rolling feed power. This machine in addition to hand lay rough, the rest of the movements are done automatically.