概述 去年一季度,我厂掀起了锉刀质量赶英国。“手心” 牌和美国‘马牌’的热潮,职工们在“猛追赶英国、气 死美国佬”的口号下,使锉刀质量扶摇直上,超过了英 国的手心牌。但是要赶上美国‘马牌’,必须首先要改进 我们锉刀齿纹的形状。美国马牌圆锉的齿纹是螺旋形的 (这种齿形 Overview In the first quarter of last year, our factory set off the file quality in England. The “cradle” brand and the “horse brand” boom in the United States, the workers in the “catch up with the United Kingdom, infuriating the Americans,” the slogan, so that the quality of the file soared, surpassing the British hand card. However, to catch up with the U.S. horse brand, we must first improve the shape of our file teeth. American horse round file tooth profile is spiral (this tooth shape