Drawing Defects Of Pure Aluminum Parts

The main defects produced in the drawing of pure aluminum parts are: cracks, wrinkles, bottom wrinkles and bulges (also called protrusions), surface scratches, draw deviations and "edges". Correctly analyzing the causes of the defects of the drawn parts is the prerequisite for solving the processing quality. The following will describe the causes of the above defects, and focus on the analysis of the most important defects-cracks, wrinkles and bottom wrinkles and bulges