| 摘要 |
A method of drawing and ironing metal into a can for beverages, food and products, the method comprising the steps of: feeding a metal roll into a stamper; cutting the metal into circles; forming the circles into cups; feeding said cups into a body maker, wherein said body maker has a die pack having at least three dies and a punch, wherein the at least three dies and the punch are hard coated to a micro finish between 4 and 12, and the punch is not cross hatched and is the smallest allowed diameter; spraying a coolant lubricant liquid into the die pack and the through the punch; ironing the cup into a thin walled cylinder; trimming the thin walled cylinder to provide a trimmed thin walled cylinder; washing, rinsing and drying the trimmed thin walled cylinder; decorating the trimmed thin walled cylinder; spray coating the inside of the can with a protective coating; necking the trimmed thin walled cylinder to provide a tapered thin walled cylinder; forming a lip on the top of the tapered thin walled cylinder; testing the trimmed thin walled cylinder for defects; and palletizing the thin walled cylinder. |
