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圆锯片是打手开棉机的主要零件(见图),材质为45钢板。生产工序为:下料→平直→车外圆→冲键槽孔→冲周边齿形→压齿形角度→淬火→修正齿形。技
Circular saw blade is the staple opener opener (see photo), made of 45 steel. The production process is as follows: blanking → straight → car circle → punching slot → punching perimeter → pressing tooth angle → quenching → correcting tooth shape. Skill