为适应社会主义建设的需要,向国家提供更多的新产品,浙江省瑞安县仙降电机厂和扬州电动工具厂在上海电动工具研究所等单位的协助下,于1973年分别试制成功CZ-23型及JICZ-13型磁座钻(见图1)。 磁座钻是把手电钻紧固在带有电磁吸盘的机架上,依靠电磁力(JICZ-13型吸力在500公斤以上 In order to meet the needs of socialist construction, to provide more new products to the country, Zhejiang Province Ruian County Xian Electric Factory and Yangzhou Electric Power Tools Factory in Shanghai Electric Power Tools Institute and other units with the assistance, respectively, in 1973 successfully trial CZ- 23 type and JICZ-13 magnetic drill (see Figure 1). Magnetic drill is a hand drill fastened in a rack with an electromagnetic chuck, relying on electromagnetic force (JICZ-13-type suction in more than 500 kg