久久精品国产亚洲AV蜜臀色欲_99精品久久久久中文字幕_久久国产精品二国产精品_亚洲精品区午夜亚洲精品区,免费视频99只有精品视频,肉体奉公hd中文字幕,国产V亚洲V天堂无码,美女销魂少妇顶级少妇,日本肉欲XXⅩOOO视频,日韩中文字幕在线一区二区三区

Application and maintenance of scissors for shearing machine

2018-9-15

Application and maintenance of scissors for shearing machine


Experience recognition of scissors edge sharpness Before shearing, it is required that the contact fit between flat knife and spiral knife working angle edge must be smooth, and there should be no leakage gap from the direction of contact entrance. If the tissue paper is fed into the shears, it can be cut with a hand-operated spiral knife, and there is no fiber filament connection and uneven shear marks. At this time, the suede surface is even and even. Conversely, it is necessary to adjust the meshing state or re grinding of two edges.

Shandong Fusheng textile machinery Limited by Share Ltd.