G72型之类弓锯床所用锯条,往往因锯条变钝而报废。其实,只要用一块碟形或碗形砂轮块,将其修成锐角,徒手把持被修复的锯条,依原齿形逐一修磨齿锋后,即可照常使用。只要原先使用得当,加上修磨适中,每根锯 Saw blades used in bow saws such as the G72 are often discarded due to blunt saw blades. In fact, as long as the use of a dish or bowl-shaped wheel block, it will be repaired into an acute angle, bare hands to be repaired saw blade, according to the original tooth-shaped one after grinding tooth front, you can use as usual. As long as the original use properly, with moderate grinding, each saw