Why Lubrication is Critical in Glass Cutting The fundamental mechanics of glass cutting involve a hardened wheel scratching a surface to create a stress point. The viscosity and chemical composition of the oil directly influence the quality of the score line, the longevity of the cutting wheel, and the overall success of the break.
Heavy Motor Oil Creates a Glass Cutting Mess
While kerosene offers good penetration, it evaporates too quickly and lacks the lubricity needed for a clean score. Standard motor oil is generally too heavy and can gum up the wheel, hindering its rotation.
The Ideal Properties of Cutting Oil Not all oils are created equal, and the specific demands of glass cutting narrow the field considerably. An effective cutting oil for glass must possess high viscosity to remain in place on the scoring line, preventing it from wicking away into the surrounding material.
Heavy Motor Oil's Viscosity Problems for Glass Cutting
The right oil cools the wheel, reduces surface tension, and allows the wheel to move smoothly, creating a perfect stress line that runs deep and true. Safety and Cleanup Considerations.
More About Oil for glass cutting
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