Galvanized Steel Coil,Prepainted Steel Coil,Cold Rolled Steel Coil Color Coated Steel Coil Co., Ltd , http://www.nssteel-coil.comOur unit recently received a spare parts machining. The part is a nozzle, and there are two stop rails on the top. The stop rail acts as a locking clamp, and its structure is shown in Figure 1. Among them, the unfolded view of the two slide rails is shown in Figure 2: it can be clearly seen that the slide rail consists of two straight segments, and the two straight segments are connected by a circular arc, so how to process the nozzle The arc transition is the key.