Aluminum Machining: Stain-Free High Performance
The Best Coolant for Aluminum collection is curated for shops that demand high material removal rates without the risk of staining sensitive alloys. Whether you are running 6061-T6 production parts, 7075 aerospace components, or porous 356 cast aluminum, you need a fluid that balances lubricity with chemical compatibility. Using a generic coolant with high pH can cause surface staining, dulling, and "lead soap" formation. This collection features Oemeta’s "Alloy-Compatible" Formulations, utilizing specific inhibitors to protect the metal surface while providing the lubricity needed to prevent chip welding in gummy materials.
Why Aluminum Needs Specific Fluid
1. The "Staining" Risk (pH Control)
Standard coolants often run at a pH of 9.5+, which can chemically attack the oxide layer on 6000 and 7000 series aluminum, turning parts grey or black.
- The Solution: Fluids like Novamet 110 are formulated with a balanced pH and specific passivators that protect the alloy's finish, ensuring parts come off the machine bright and stain-free.
2. The "Gummy" Chip Issue (BUE)
Aluminum is soft and tends to stick to the cutting edge (Built-Up Edge), leading to poor surface finishes and snapped drills.
- The Solution: You need "boundary lubrication." Oemeta’s High-Lubricity Additives provide a slippery interface that prevents the aluminum from welding to the tool, keeping flutes clear and surfaces smooth.
Technical Protocol for Aluminum
- Aerospace (7075/2024): Use Novamet series for maximum inhibition against galvanic corrosion.
- High-Speed Milling: Use Hycut for low-foaming performance in high-RPM, through-spindle applications.