Bending galvanized material causes galling: a build up of zinc deposits on tooling. This leads to part marking, less accuracy and even trapped parts inside the V-opening. Learn which products and solutions WILA offers for dealing with galling.
Fabricators who bend a lot of galvanized material are familiar with galling, the buildup of zinc deposits on the bending radii of press brake dies. Galling looks a lot like small scratches on the die's bending radii, and it introduces multiple challenges into the bend operation:
Galling can occur so quickly that operators often have to clean tools after just 10 runs, which is a massive hindrance to their workflow and productivity. Fortunately, you can reduce galling by regularly cleaning your tools or investing in tooling with a protective coating.
We recommend a liquid spray wax such as WILA Press Brake Productivity Wax, for cleaning, maintaining and protecting your tools.
Most of our bottom tools can be coated with a special OZU-ZN coating. This protective layer on the tools prevents zinc deposits on the bending radii.
Using abrasive pads like Scotch Brite can be an effective means for removing zinc deposits on your bottom tools. However, excessive cleaning may cause wear.
You can use Scotch Brite or similar abrasive pads to effectively remove zinc deposits on your bottom tools. However, excessive cleaning may cause wear.
There is a reasonable chance that your tools suffer from galling. The zinc deposits on the shoulders of the bottom tools will look similar to scratches. Using abrasive pads like Scotch Brite is an effective means for removing zinc deposits on your tools. However, excessive cleaning may cause wear. Also check out our guide on how to prevent galling.