钢丝钳(图1)是一种用途很广泛的手工工具。随着我国社会主义建设事业和对外贸易的发展,其需要量越来越大。我厂在建厂初期,钢丝钳坯采用手工锻造,劳动强度大,成本高,质量差,生产效率低,原材料、燃料消耗大,远远不能满足国家需要。在毛主席革命路线指引下,我们学习了上海、河南等兄弟厂的先进经验,对钢丝钳的锻压生产过程进行了改革, The pliers (Figure 1) is a versatile hand tool. With the development of China’s socialist construction and foreign trade, its needs are growing. In the early days of our factory, the wire blanks were hand-forged, with high labor intensity, high cost, poor quality and low production efficiency. The consumption of raw materials and fuels was far from meeting the needs of the country. Under the guidance of Chairman Mao’s revolutionary line, we learned from the advanced experience of brothers and sons factories in Shanghai and Henan, carried out reforms on the forging production of wire cutters,