The production of blades has its expertise. Overcoming the difficulty of its own process and meeting the expectations of its clients has always been the goal of Jiuli Knives. Among them, the flatness has always been an indicator of the knife making process; how to solve the cumulative tolerance problem when multiple blades are placed on the machine at the same time? This is not only the consideration of the machine design, and it is also the proof of blade maker to control all the manufacturing processes.
There is not cumulative tolerance when a single-piece slitting circular knife is using; However, when dozens or hundreds of circular knives are placed on the machine at the same time, adding a few tolerance of each blade will be a huge tolerances. Some industries have extremely stringent tolerance requirements for blades because this not only affects the efficiency of the cutting which also impacts the manufacturing costs (eg, the amount of scraps, etc.).