Progressive drawing is a method whereby coil or strip stock raw material is fed between an upper and lower die with multiple stations. With each stroke of the press, the material advances through the die – which has successive operations in each station to form one or more features of the part. A progressive drawing die may have anywhere between 2 and 20 or more stations to form a complete part.
They are made out of various metals and processed in secondary processes, such as cleaning, polishing, galvanizing. The injection molded parts can be assembled individually or as components to the final products, which widely used in electronics and electrical engineering, in sanitation, in consumer products and automotive industries.
Even the smallest and thinnest parts can be manufactured precisely and the material utilization may be more than 80 percent – while keeping costs and the environmental impact equally low. In addition, deep drawing allows for very high stroke rates; This possibly increases the production rate compared to the metal-cutting process.
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