Abstract
Supplying pressure effects of grinding fluids on grinding commercial purity titanium (CP titanium) have been studied to establish the optimum condition for ultra precision grinding for mirror-like finishing. Roughness, flatness, normal grinding forces and residual stresses were examined on work surfaces relating to the type of grinding wheels and the kind and supplying pressure of grinding fluid. The resin-bonded diamond wheel #1200 is recommended for grinding CP titanium, and it was found that the high-pressure grinding fluid supply was an effective way to obtain mirror-like surface. By choosing a chemical solution as grinding fluids and at the supplying pressure of 7 MPa through the nozzle located 5 mm away from work, the accuracy of work surface has reached Ry = 0.1 μm in surface roughness and 1.0 μm in flatness. The results obtained were discussed from the viewpoints of the cooling effects of grinding fluid supply on grinding accuracy.
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