Friday, November 18, 2011

Die Hanger

PHOTOGRAPHER'S JOURNAL: If the block was hot enough when the ram began squeezing, only a bit of rim from the block will remain at the end of the new tube; one can never squeeze out that last bit of toothpaste. If the block was not hot enough, the ram will seize up before it is done pushing all of the copper through the cutting dies. Whatever is left of the block will hang like a stump on the new pipe. Spike, the die hanger, works the controls that slide the die head assembly forward exposing the stump at the back so it can be cut off.

As the saw cuts, push dies cool on the slide tables and on the hydraulic platform on which they fall after extrusion.