手枪电钻使用日久碳刷就会磨损变短,至使与整流子接触不良,方便可靠的办法是换新碳刷。而同规格的碳刷一时不易找到,为应急可在保留原碳刷的基础上做一碳刷接续块。 先将原碳刷拆下(不必拆下导线),再找一块大一些的碳刷,按照原碳刷的磨损长度及周边尺寸(尺寸应略大些)在大碳刷上用钢锯条锯下一块,然后用砂纸磨平 Pistol drills use carbon brushes for a long time to wear and shorten, to make contact with the commutator bad, convenient and reliable way is to change the carbon brush. The carbon brush of the same specification is not easy to find at one time, and for the emergency, a carbon brush can be used as a continuation block on the basis of retaining the original carbon brush. First remove the original carbon brush (do not remove the wire), and then find a larger number of carbon brushes, in accordance with the original carbon brush wear length and the surrounding size (size should be slightly larger) in the big carbon brush sawn with a steel saw blade One piece and then leveled with sandpaper