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有些零件在钻孔后,还要刮光端面或锪眼等,要完成这些加工需要另换刀具才行。我厂钳工刘寿青同志改进了如附图所示的组合刀具,用它可以同时作钻孔、刮平面或锪眼等工作。组合刀具的构造简单、钻头1装在钢套2内,钢套端面装有两块平面刮刀5、由螺钉6紧固在钢套的刀槽中。根据加工件的深度L用螺钉3将钢套紧固在钻头上,最后将钻尾
Some parts after drilling, but also scraping the end face or eyes, etc., to complete these processes need another tool for the job. Our factory fitter Liu Shou-qing commented on the improved combination of tools as shown in the attached drawings, which can be used for drilling holes, scraping planes and eye drops at the same time. The utility model has the advantages of simple structure, the drill bit 1 is installed in the steel sleeve 2, the end face of the steel sleeve is provided with two plane scraping blades 5, and the screw 6 is fastened in the sipe of the steel sleeve. According to the depth of the workpiece L with a screw 3 to the steel sleeve fastened to the drill, the last will be drilling