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Die Casting News

How to Reduce Die Casting Lubricant Build Up

Posted by Hill and Griffith Company on Sep 6, 2017 4:01:33 PM

NADCA EC-515 Die Casting Defects Course Review, Basics for controlling die casting defects - By Dr. Steve Midson

  • A die casting lubricant build up usually comes from lubricant that was not evaporated from the die
  • If it is darker in color, it is often referred to as carbon
  • Review the die temperatures with the die spray supplier to get the proper lubricant - keep ratio under control
  • Use of hard water in the die lubricant can sometimes cause build up

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  • Review the die temperatures with the die spray supplier to get the proper lubricant
  • Keep die spray dilution ratio under control
  • Don’t spray too long
  • Be consistent

(Thanks to All About Metallurgy for posting this PDF. We'll cover other aspects of die casting defect control by the proper use of die casting lubricants from the course in upcoming blog posts)

(If you liked this article you might also like this post on, "Die Casting Defects")


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We are pleased to provide samples in quantities large enough to allow you to "try before you buy." Die Casting and Squeeze Lubricants- Diluco®, Permanent Mold Coatings- Concote™, Plunger Lube™- Graphite and non-graphite oils and pastes with excellent anti-wear properties, Casting Operations Products: Start-up lubes, Ladle coatings, Anti-soldering pastes, Water glycol, Trim press lubricants, Surface protection for casting storage, Corrosion protection for die storage, Cleaners for machines and dies, Corrosion protection for machines, Heat treatment quenchants, and Heat-transfer fluids. Also, Industrial Lubricants Griflube®, Hydraulic fluids with fire-resistant and anti-wear properties, Bio-Syn natural ester-based hydraulic fluid, Way oil knuckle lubes and Metalworking Fluids- Grifcut™

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Tags: Die Casting, Metal Casting, Aluminum Die Casting Process, Die Casting Release Agent, Die Casting Defects, Die Casting Lubricant

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