The working principle of continuous die (progressive die) mainly involves the following aspects:1, servo feeder automatic feeding, matching servo punch, the whole process down, is the piece of material in, the finished product out.2. The whole set of die technology integrates all the working procedures of a single engineering die, including punching, engraving, trimming, salad making, bending, pre-stretching, stretching, shaping and blanking.3. The continuous die has the advantages of high production efficiency, fast output speed, high precision, material saving, automation and labor saving, and it is the first choice for stamping manufacturing....