The oil creates a thin film that lubricates the interface, minimizing the direct contact between the flutes and the hole wall. When working with softer metals like aluminum or copper, a lighter oil without sulfur or chlorine additives is preferred to prevent staining or corrosion.
Managing Heat and Deformation When Drilling Metal with Cutting Oil
High-performance formulations are specifically engineered to have a high thermal conductivity and a high boiling point. This lubrication reduces friction, allowing the cutting edges to slice through the material with less resistance and significantly less wear.
The Science Behind Heat Management Heat is the primary enemy of precision drilling, and its management dictates the success of the operation. Work hardening makes the material more difficult to cut, placing additional stress on the drill.
Managing Heat and Deformation When Drilling Metal with Cutting Oil
This thermal stability ensures that the microstructure of the steel remains intact, preserving the sharpness and strength of the cutting edge throughout the operation. By inhibiting the transfer of material from the workpiece to the tool, the oil ensures a clean, sharp cutting action and maintains the dimensional accuracy of the drill bit.
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