Coolant and lubricant

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A compatible fluid used to remove heat, carry debris, reduce friction, improve particle transport, or stabilize the tool-surface interaction.

CNC diamond-tool glass milling with water at the tool head
CNC diamond-tool glass milling with water at the tool head
whitequark — CC0 · Image source · Image source

Meaning and boundaries

Cooling and lubrication are different functions, and more fluid is not automatically better; chemistry, purity, flow, electrical exposure, runoff, and coating compatibility matter.

Why it matters in glass restoration

Fluid selection can affect removal rate, scratches, pad loading, temperature, residue, and worker and property safety.

Related terms

References

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