在生产中,有时需要剪制0.2mm左右厚的铜、铁垫片、垫圈,或石棉、胶皮垫片、垫圈等,在需要量较多,但还没有必要制作模具的情况下,只好先划好线然后用手工剪。这样既费力,又不圆整,还很慢。若将要剪的材料铺在金属平板上,根据情况采用圆规刀或地规刀定好半径, In production, sometimes need to cut about 0.2mm thick copper, iron gaskets, gaskets, or asbestos, rubber gasket, washers, etc., in the need of more, but there is no need to make mold case, had to draw Good line then cut with hand. This effort, not round, very slow. If you want to cut the material paved on the metal plate, according to the situation with a compass knife or gage knife set a good radius,