我科从1982年开始自制金属磨头,经几年临床应用具有使用方便、锋利耐用、取材容易,制作简单等优点。凡有碳弧铸造机或高频铸造机设备的单位均可自行制作。其制作过程如下: 1.制作轴杆:用报废的小砂轮轴杆作为自制磨头轴杆。在轴杆的一端,距末端3mm处磨一圈浅槽 Our department has made self-made metal grinding head since 1982. It has the advantages of convenient use, sharp and durable, easy drawing and simple production after several years of clinical application. Where there is a carbon arc casting machine or high-frequency casting machine equipment units can make their own. The production process is as follows: 1. Production of shaft: scrap shaft with small grinding wheel as a self-grinding shaft. One end of the shaft, from the end of 3mm wear a shallow groove