Deep arc R size inspection tool

Figure 1 is an arc produced by our factory. There are various arc R dimensions under the same structure. The circular arc R dimension in the figure is machined on a special equipment with a fixed-size saw blade milling cutter. The milling cutter moves according to a certain trajectory. The trajectory is adjustable. The arc R is variable. With a milling cutter of one size, it can be milled in various sizes.