In order to ensure the welding quality of the steel inserts, the welded blades should be carefully inspected to find out the causes of defects and improve them. Before the inspection, the steel insert blade should be sandblasted or lightly ground to remove the solder and impurities adhering to the b
READ MORE1. Slitting knifeThe slitting blade is mainly used for slitting paper, film, gold, silver foil, copper foil, aluminum foil, tape, and other items. The slitting of these objects requires the blade to have the least cutting resistance and the greatest wear resistance. Due to the requirements of produc
READ MOREIn order to meet the needs of the international cutting tool market, Nanjing Jingfeng Cutting Tool Company has developed HSS steel round knives, with an outer diameter of 200∼400mm, a thickness of 5∼10mm, and an inner hole of 145∼254mm. The round blade requires a hardness of 62.5∼64HRC; flatness and
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