A puller retains the extrusion in position right after rising. The puller protects it as it exits the press. Because the alloy moves along the table, the profile will get uniformly neat by a fan or water tub. This process is “quenching.” The amount Did you know about aluminum? Here https://aluminiumfabrication01455.thelateblog.com/29896468/getting-my-aluminium-extrusion-to-work